msb discovery java client

Change-Id: Ibded02af67b9af6a2fdd57591688ec8b9a63121e
Issue-Id: MSB-12
Signed-off-by: HuabingZhao <zhao.huabing@zte.com.cn>

21 files changed, 1797 insertions, 0 deletions

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..bb0dee2
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,3 @@
+*.java text eol=lf
+*.xml text eol=lf
+*.sh text eol=lf
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..45e67f4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,11 @@
+.project
+.classpath
+.settings/
+.vscode/
+target/
+.vagrant
+/archives/
+*.jar
+*.zip
+*.tar
+*.gz
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..20f8994
--- /dev/null
+++ b/README.md
@@ -0,0 +1,8 @@
+msb-java-sdk
+===============
+Provides a JAVA SDK for rapid microservices development, including service registration, service discovery, request routing, load balancing, retrying, etc.
+
+## License
+The Microservice Bus is released under version 2.0 of the [Apache License].
+
+[Apache License]: http://www.apache.org/licenses/LICENSE-2.0
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..4e12675
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,162 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+    <parent>
+      <groupId>org.onap.oparent</groupId>
+      <artifactId>oparent</artifactId>
+      <version>1.0.0-SNAPSHOT</version>
+    </parent>
+  
+	<groupId>org.onap.msb.java.sdk</groupId>
+	<artifactId>msb-java-sdk</artifactId>
+	<name>msb-java-sdk</name>
+	<version>1.0.0-SNAPSHOT</version>
+	<packaging>jar</packaging>
+
+	<dependencies>
+		<dependency>
+			<groupId>com.squareup.retrofit2</groupId>
+			<artifactId>retrofit</artifactId>
+			<version>2.0.2</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.reflections</groupId>
+			<artifactId>reflections</artifactId>
+			<version>0.9.9</version>
+			<exclusions>
+				<exclusion>
+					<groupId>com.google.guava</groupId>
+					<artifactId>guava</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+
+		<!-- https://mvnrepository.com/artifact/org.glassfish.jersey.bundles.repackaged/jersey-guava -->
+		<dependency>
+			<groupId>org.glassfish.jersey.bundles.repackaged</groupId>
+			<artifactId>jersey-guava</artifactId>
+			<version>2.6</version>
+		</dependency>
+
+
+		<dependency>
+			<groupId>io.dropwizard</groupId>
+			<artifactId>dropwizard-metrics</artifactId>
+			<version>0.8.0</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-api</artifactId>
+			<version>1.7.12</version>
+		</dependency>
+		<dependency>
+			<groupId>ch.qos.logback</groupId>
+			<artifactId>logback-classic</artifactId>
+			<version>1.1.3</version>
+		</dependency>
+		<dependency>
+			<groupId>ch.qos.logback</groupId>
+			<artifactId>logback-core</artifactId>
+			<version>1.1.3</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.apache.commons</groupId>
+			<artifactId>commons-lang3</artifactId>
+			<version>3.0</version>
+		</dependency>
+
+		<dependency>
+			<groupId>io.dropwizard</groupId>
+			<artifactId>dropwizard-core</artifactId>
+			<version>0.8.0</version>
+			<scope>test</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>javax.ws.rs</groupId>
+			<artifactId>javax.ws.rs-api</artifactId>
+			<version>2.0.1</version>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.commons</groupId>
+			<artifactId>commons-lang3</artifactId>
+			<version>3.0</version>
+		</dependency>
+		<dependency>
+			<groupId>javax.annotation</groupId>
+			<artifactId>javax.annotation-api</artifactId>
+			<version>1.2</version>
+		</dependency>
+		<dependency>
+			<groupId>org.immutables</groupId>
+			<artifactId>value</artifactId>
+			<version>2.1.12</version>
+		</dependency>
+		<dependency>
+			<groupId>com.eclipsesource.jaxrs</groupId>
+			<artifactId>consumer</artifactId>
+			<version>5.0</version>
+		</dependency>
+		<dependency>
+			<groupId>commons-io</groupId>
+			<artifactId>commons-io</artifactId>
+			<version>1.3.2</version>
+		</dependency>
+		<dependency>
+			<groupId>commons-lang</groupId>
+			<artifactId>commons-lang</artifactId>
+			<version>2.6</version>
+		</dependency>
+
+
+		<dependency>
+			<groupId>org.glassfish.jersey.core</groupId>
+			<artifactId>jersey-client</artifactId>
+			<version>2.16</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.apache.httpcomponents</groupId>
+			<artifactId>httpclient</artifactId>
+			<version>4.5</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-api</artifactId>
+			<version>1.7.12</version>
+		</dependency>
+
+	</dependencies>
+	<build>
+		<plugins>
+			<plugin>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<configuration>
+					<source>1.8</source>
+					<target>1.8</target>
+				</configuration>
+			</plugin>
+			<plugin>
+				<artifactId>maven-enforcer-plugin</artifactId>
+			</plugin>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-source-plugin</artifactId>
+				<executions>
+					<execution>
+						<id>attach-sources</id>
+						<goals>
+							<goal>jar</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
+</project>
diff --git a/src/main/java/org/onap/msb/sdk/discovery/MSBService.java b/src/main/java/org/onap/msb/sdk/discovery/MSBService.java
new file mode 100644
index 0000000..e0b8596
--- /dev/null
+++ b/src/main/java/org/onap/msb/sdk/discovery/MSBService.java
@@ -0,0 +1,311 @@
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ ******************************************************************************/
+package org.onap.msb.sdk.discovery;
+
+import org.apache.commons.lang3.StringUtils;
+import org.onap.msb.sdk.discovery.common.RouteConst;
+import org.onap.msb.sdk.discovery.common.RouteException;
+import org.onap.msb.sdk.discovery.entity.MicroServiceFullInfo;
+import org.onap.msb.sdk.discovery.entity.MicroServiceInfo;
+import org.onap.msb.sdk.discovery.entity.NodeAddress;
+import org.onap.msb.sdk.discovery.entity.RouteResult;
+import org.onap.msb.sdk.discovery.util.HttpClientUtil;
+import org.onap.msb.sdk.discovery.util.JacksonJsonUtil;
+import org.onap.msb.sdk.discovery.util.RegExpTestUtil;
+
+
+
+public class MSBService {
+
+  /**
+   * @Title queryMicroServiceInfo
+   * @Description TODO(查询单个微服务)
+   * @param msbAddress 微服务服务器地址( ip:port 或 域名地址)
+   * @param serviceName 服务名[必填,若自定义服务名包含/，用*代替]
+   * @param version 版本号[若无版本号，传空字符串]
+   * @throws RouteException
+   * @return MicroServiceFullInfo
+   */
+  public MicroServiceFullInfo queryMicroServiceInfo(String msbAddress, String serviceName,
+      String version) throws RouteException {
+
+    // 服务名空值检查
+    if (StringUtils.isBlank(serviceName)) {
+      throw new RouteException("ServiceName  can't be empty", "DATA_FORMAT_ERROR");
+    }
+
+    // 版本号格式检查
+    if (StringUtils.isNotBlank(version)) {
+      if (!RegExpTestUtil.versionRegExpTest(version)) {
+        throw new RouteException("version is not a valid  format", "DATA_FORMAT_ERROR");
+      }
+    } else {
+      version = "null";
+    }
+
+    MicroServiceFullInfo microServiceInfo = null;
+
+
+    String apiRouteUrl = (new StringBuilder().append("http://").append(msbAddress)
+        .append(RouteConst.MSB_ROUTE_URL).append("/").append(serviceName).append("/version/")
+        .append(version).append("?ifPassStatus=true")).toString();
+
+    String resultJson = HttpClientUtil.httpGet(apiRouteUrl);
+    microServiceInfo =
+        (MicroServiceFullInfo) JacksonJsonUtil.jsonToBean(resultJson, MicroServiceFullInfo.class);
+
+    return microServiceInfo;
+  }
+
+
+  /**
+   * @Title registerMicroServiceInfo
+   * @Description TODO(注册微服务-默认追加方式)
+   * @param msbAddress 微服务服务器地址( ip:port 或 域名地址)
+   * @param microServiceInfo 微服务注册实体类
+   * @throws RouteException
+   * @return MicroServiceFullInfo
+   */
+  public MicroServiceFullInfo registerMicroServiceInfo(String msbAddress,
+      MicroServiceInfo microServiceInfo) throws RouteException {
+    return this.registerMicroServiceInfo(msbAddress, microServiceInfo, true);
+
+  }
+
+  /**
+   * @Title registerMicroServiceInfo
+   * @Description TODO(注册微服务)
+   * @param msbAddress 微服务服务器地址( ip:port 或 域名地址)
+   * @param microServiceInfo 微服务注册实体类
+   * @param createOrUpdate true：新增或追加更新 ,false：重新添加
+   * @throws RouteException
+   * @return MicroServiceFullInfo
+   */
+  public MicroServiceFullInfo registerMicroServiceInfo(String msbAddress,
+      MicroServiceInfo microServiceInfo, boolean createOrUpdate) throws RouteException {
+
+    // 必填项空值检查
+    if (StringUtils.isBlank(microServiceInfo.getServiceName())
+        || StringUtils.isBlank(microServiceInfo.getProtocol())
+        || microServiceInfo.getNodes().size() == 0) {
+
+      throw new RouteException(
+          "register MicroServiceInfo FAIL： Some MicroServiceInfo's required fields are empty",
+          "DATA_FORMAT_ERROR");
+
+    }
+
+
+    // 版本号格式检查
+    if (StringUtils.isNotBlank(microServiceInfo.getVersion())) {
+      if (!RegExpTestUtil.versionRegExpTest(microServiceInfo.getVersion())) {
+        throw new RouteException("register MicroServiceInfo FAIL：version is not a valid  format",
+            "DATA_FORMAT_ERROR");
+
+      }
+    }
+
+
+
+    // 服务协议取值范围检查
+    if (!RouteConst.checkExistProtocol(microServiceInfo.getProtocol().trim())) {
+      throw new RouteException("register MicroServiceInfo FAIL：Protocol is wrong,value range:("
+          + RouteConst.listProtocol() + ")", "DATA_FORMAT_ERROR");
+
+    }
+
+
+
+    String apiRouteJson = JacksonJsonUtil.beanToJson(microServiceInfo);
+
+    String apiRouteUrl =
+        (new StringBuilder().append("http://").append(msbAddress).append(RouteConst.MSB_ROUTE_URL)
+            .append("?createOrUpdate=").append(createOrUpdate)).toString();
+
+    String resultJson = HttpClientUtil.httpPostWithJSON(apiRouteUrl, apiRouteJson);
+
+    MicroServiceFullInfo microServiceFullInfo =
+        (MicroServiceFullInfo) JacksonJsonUtil.jsonToBean(resultJson, MicroServiceFullInfo.class);
+
+    return microServiceFullInfo;
+  }
+
+  /**
+   * @Title cancelMicroServiceInfo
+   * @Description TODO(注销全部微服务)
+   * @param msbAddress 微服务服务器地址( ip:port 或 域名地址)
+   * @param serviceName 服务名[必填,若自定义服务名包含/，用*代替]
+   * @param version 版本号[若无版本号，传空字符串]
+   * @throws RouteException
+   * @return RouteResult
+   */
+  public RouteResult cancelMicroServiceInfo(String msbAddress, String serviceName, String version)
+      throws RouteException {
+    RouteResult result = new RouteResult();
+
+    // 服务名空值检查
+    if (StringUtils.isBlank(serviceName)) {
+      throw new RouteException("cancel MicroServiceInfo FAIL：ServiceName  can't be empty",
+          "DATA_FORMAT_ERROR");
+
+    }
+
+    // 版本号格式检查
+    if (StringUtils.isNotBlank(version)) {
+      if (!RegExpTestUtil.versionRegExpTest(version)) {
+        throw new RouteException("cancel MicroServiceInfo FAIL：version is not a valid  format",
+            "DATA_FORMAT_ERROR");
+
+      }
+    } else {
+      version = "null";
+    }
+
+
+    String url =
+        (new StringBuilder().append("http://").append(msbAddress).append(RouteConst.MSB_ROUTE_URL))
+            .append("/").append(serviceName).append("/version/").append(version).toString();
+
+    HttpClientUtil.delete(url, null);
+
+
+    result.setResult(RouteConst.REQUEST_SUCCESS);
+    result.setInfo("cancel MicroServiceInfo success");
+
+
+    return result;
+  }
+
+  /**
+   * @Title cancelMicroServiceInfo
+   * @Description TODO(注销单个微服务)
+   * @param msbAddress 微服务服务器地址( ip:port 或 域名地址)
+   * @param serviceName 服务名[必填,若自定义服务名包含/，用*代替]
+   * @param version 版本号[若无版本号，传空字符串]
+   * @param ip
+   * @param port
+   * @throws RouteException
+   * @return RouteResult
+   */
+  public RouteResult cancelMicroServiceInfo(String msbAddress, String serviceName, String version,
+      String ip, String port) throws RouteException {
+
+    RouteResult result = new RouteResult();
+
+    // 服务名空值检查
+    if (StringUtils.isBlank(serviceName)) {
+      throw new RouteException("cancel MicroServiceInfo FAIL：ServiceName  can't be empty",
+          "DATA_FORMAT_ERROR");
+
+    }
+
+
+    // HOST空值和格式检查
+    if (StringUtils.isBlank(ip)) {
+      throw new RouteException("cancel MicroServiceInfo FAIL：ip can't be empty",
+          "DATA_FORMAT_ERROR");
+    }
+
+    if (StringUtils.isBlank(port)) {
+      throw new RouteException("cancel MicroServiceInfo FAIL：port can't be empty",
+          "DATA_FORMAT_ERROR");
+
+    }
+
+    // 版本号格式检查
+    if (StringUtils.isNotBlank(version)) {
+      if (!RegExpTestUtil.versionRegExpTest(version)) {
+        throw new RouteException("cancel MicroServiceInfo FAIL：version is not a valid  format",
+            "DATA_FORMAT_ERROR");
+      }
+    } else {
+      version = "null";
+    }
+
+
+    String url =
+        (new StringBuilder().append("http://").append(msbAddress).append(RouteConst.MSB_ROUTE_URL))
+            .append("/").append(serviceName).append("/version/").append(version).append("/nodes/")
+            .append(ip).append("/").append(port).toString();
+
+    HttpClientUtil.delete(url, null);
+
+
+    result.setResult(RouteConst.REQUEST_SUCCESS);
+    result.setInfo("cancel MicroServiceInfo success");
+
+    return result;
+  }
+
+
+  /**
+   * @Title healthCheckbyTTL
+   * @Description TODO(请求服务实例TTL健康检查)
+   * @param msbAddress
+   * @param serviceName 服务名
+   * @param version 版本号[若无版本号，传空字符串]
+   * @param ip 实例IP
+   * @param port 实例端口
+   * @throws RouteException
+   * @return CheckNode
+   */
+  public NodeAddress healthCheckbyTTL(String msbAddress, String serviceName, String version,
+      String ip, String port) throws RouteException {
+
+    // 服务名空值检查
+    if (StringUtils.isBlank(serviceName)) {
+      throw new RouteException("ServiceName  can't be empty", "DATA_FORMAT_ERROR");
+    }
+
+    // 版本号格式检查
+    if (StringUtils.isNotBlank(version)) {
+      if (!RegExpTestUtil.versionRegExpTest(version)) {
+        throw new RouteException("version is not a valid  format", "DATA_FORMAT_ERROR");
+      }
+    } else {
+      version = "null";
+    }
+
+
+    // HOST空值和格式检查
+    if (StringUtils.isBlank(ip)) {
+      throw new RouteException("healthCheck by TTL FAIL：ip can't be empty", "DATA_FORMAT_ERROR");
+
+    }
+
+    if (StringUtils.isBlank(port)) {
+      throw new RouteException("healthCheck by TTL FAIL：port can't be empty", "DATA_FORMAT_ERROR");
+
+    }
+
+
+
+    NodeAddress checkNode = new NodeAddress(ip, port);
+
+
+    String healthCheckJson = JacksonJsonUtil.beanToJson(checkNode);
+
+    String healthCheckUrl =
+        (new StringBuilder().append("http://").append(msbAddress).append(RouteConst.MSB_ROUTE_URL)
+            .append("/").append(serviceName).append("/version/").append(version).append("/ttl"))
+                .toString();
+
+    HttpClientUtil.httpPutWithJSON(healthCheckUrl, healthCheckJson);
+
+    return checkNode;
+  }
+
+
+
+}
diff --git a/src/main/java/org/onap/msb/sdk/discovery/common/RouteConst.java b/src/main/java/org/onap/msb/sdk/discovery/common/RouteConst.java
new file mode 100644
index 0000000..7a40510
--- /dev/null
+++ b/src/main/java/org/onap/msb/sdk/discovery/common/RouteConst.java
@@ -0,0 +1,65 @@
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ ******************************************************************************/
+package org.onap.msb.sdk.discovery.common;
+
+public class RouteConst {
+  public static final int SC_OK = 200;
+  public static final int SC_POST_OK = 201;
+  public static final int SC_DEL_OK = 204;
+  public static final int SC_NOTFOND = 404;
+  public static final String MSB_ROUTE_URL = "/api/microservices/v1/services";
+  public static final String REQUEST_SUCCESS = "SUCCESS";
+  public static final String REQUEST_FAIL = "FAIL";
+
+  public static final String LB_POLICY_LIST = "round-robin,ip_hash,least_conn";
+  public static final String LB_PARAMS_LIST = "weight,max_fails,fail_timeout";
+  public static final String SERVER_TYPE_LIST = "api,iui,custom,p2p";
+  public static final String CHECK_TYPE_LIST = "HTTP,TCP,TTL";
+  public static final String APIGATEWAY_NAME = "apigateway";
+  public static final String VISUAL_RANGE_IN = "1";
+
+
+
+  public enum Protocol {
+    REST, HTTP, MQ, FTP, SNMP, TCP, UDP, UI
+  }
+
+  public static boolean checkExistProtocol(String value) {
+    for (Protocol protocol : Protocol.values()) {
+      if (protocol.name().equals(value)) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+
+  public static boolean checkExist(String list, String value) {
+    String[] listArray = list.split(",");
+    for (int i = 0; i < listArray.length; i++) {
+      if (value.equals(listArray[i]))
+        return true;
+    }
+    return false;
+  }
+
+  public static String listProtocol() {
+    String list = "";
+    for (Protocol protocol : Protocol.values()) {
+      list += protocol.name() + " | ";
+    }
+    return list;
+  }
+
+}
diff --git a/src/main/java/org/onap/msb/sdk/discovery/common/RouteException.java b/src/main/java/org/onap/msb/sdk/discovery/common/RouteException.java
new file mode 100644
index 0000000..4ba1473
--- /dev/null
+++ b/src/main/java/org/onap/msb/sdk/discovery/common/RouteException.java
@@ -0,0 +1,43 @@
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ ******************************************************************************/
+package org.onap.msb.sdk.discovery.common;
+
+public class RouteException extends Exception {
+  private String errorMsg;
+  private String errorCode;
+
+  public RouteException() {}
+
+  public RouteException(String errorMsg, String errorCode) {
+    super(errorMsg);
+    this.errorMsg = errorMsg;
+    this.errorCode = errorCode;
+  }
+
+  public String getErrorMsg() {
+    return this.errorMsg;
+  }
+
+  public void setErrorMsg(String errorMsg) {
+    this.errorMsg = errorMsg;
+  }
+
+  public String getErrorCode() {
+    return this.errorCode;
+  }
+
+  public void setErrorCode(String errorCode) {
+    this.errorCode = errorCode;
+  }
+}
diff --git a/src/main/java/org/onap/msb/sdk/discovery/entity/CustomDateSerializer.java b/src/main/java/org/onap/msb/sdk/discovery/entity/CustomDateSerializer.java
new file mode 100644
index 0000000..0dfbace
--- /dev/null
+++ b/src/main/java/org/onap/msb/sdk/discovery/entity/CustomDateSerializer.java
@@ -0,0 +1,35 @@
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ ******************************************************************************/
+package org.onap.msb.sdk.discovery.entity;
+
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonSerializer;
+import com.fasterxml.jackson.databind.SerializerProvider;
+
+public class CustomDateSerializer extends JsonSerializer<Date> {
+
+  @Override
+  public void serialize(Date value, JsonGenerator jsonGenerator, SerializerProvider provider)
+      throws IOException, JsonProcessingException {
+    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssXXX");
+    jsonGenerator.writeString(sdf.format(value));
+  }
+
+
+}
diff --git a/src/main/java/org/onap/msb/sdk/discovery/entity/KeyVaulePair.java b/src/main/java/org/onap/msb/sdk/discovery/entity/KeyVaulePair.java
new file mode 100644
index 0000000..e262068
--- /dev/null
+++ b/src/main/java/org/onap/msb/sdk/discovery/entity/KeyVaulePair.java
@@ -0,0 +1,52 @@
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ ******************************************************************************/
+package org.onap.msb.sdk.discovery.entity;
+
+import java.io.Serializable;
+
+public class KeyVaulePair implements Serializable {
+  private static final long serialVersionUID = 1L;
+
+  private String key;
+  private String value;
+
+  public String getKey() {
+    return key;
+  }
+
+  public void setKey(String key) {
+    this.key = key;
+  }
+
+  public String getValue() {
+    return value;
+  }
+
+  public void setValue(String value) {
+    this.value = value;
+  }
+
+  public KeyVaulePair() {
+
+  }
+
+  public KeyVaulePair(String key, String value) {
+    this.key = key;
+    this.value = value;
+
+  }
+
+
+
+}
diff --git a/src/main/java/org/onap/msb/sdk/discovery/entity/MicroServiceFullInfo.java b/src/main/java/org/onap/msb/sdk/discovery/entity/MicroServiceFullInfo.java
new file mode 100644
index 0000000..698092e
--- /dev/null
+++ b/src/main/java/org/onap/msb/sdk/discovery/entity/MicroServiceFullInfo.java
@@ -0,0 +1,78 @@
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ ******************************************************************************/
+package org.onap.msb.sdk.discovery.entity;
+
+import java.io.Serializable;
+import java.util.Set;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class MicroServiceFullInfo extends Service<NodeInfo> implements Serializable {
+  private static final long serialVersionUID = 1L;
+
+  private Set<NodeInfo> nodes;
+
+  // 状态 0:不可用 1：可用,预留
+  private String status = "1";
+
+  public Set<NodeInfo> getNodes() {
+    return nodes;
+  }
+
+  public void setNodes(Set<NodeInfo> nodes) {
+    this.nodes = nodes;
+  }
+
+  public String getStatus() {
+    return status;
+  }
+
+  public void setStatus(String status) {
+    this.status = status;
+  }
+
+
+  public String toString() {
+    StringBuffer buf = new StringBuffer();
+    buf.append("MicroService List:").append("\r\n");;
+    buf.append("serviceName:").append(getServiceName()).append("\r\n");
+    buf.append("version:").append(getVersion()).append("\r\n");
+    buf.append("url:").append(getUrl()).append("\r\n");
+    buf.append("protocol:").append(getProtocol()).append("\r\n");
+    buf.append("visualRange:").append(getVisualRange()).append("\r\n");
+    buf.append("nodes:").append("\r\n");
+
+    for (NodeInfo nodeInstace : this.nodes) {
+      buf.append("  nodeId-").append(nodeInstace.getNodeId()).append("\r\n");
+      buf.append("  ip-").append(nodeInstace.getIp()).append("\r\n");
+      buf.append("  port-").append(nodeInstace.getPort()).append("\r\n");
+      buf.append("  ttl-").append(nodeInstace.getTtl()).append("\r\n");
+      buf.append("  Created_at-").append(nodeInstace.getCreated_at()).append("\r\n");
+      buf.append("  Updated_at-").append(nodeInstace.getUpdated_at()).append("\r\n");
+      buf.append("  Expiration-").append(nodeInstace.getExpiration()).append("\r\n");
+    }
+    buf.append("metadata:").append("\r\n");
+
+    if (this.getMetadata() != null && this.getMetadata().size() > 0) {
+      for (KeyVaulePair keyVaulePair : this.getMetadata()) {
+        buf.append("  key-").append(keyVaulePair.getKey()).append("\r");
+        buf.append("  value-").append(keyVaulePair.getValue()).append("\r\n");
+
+      }
+    }
+    return buf.toString();
+  }
+
+}
diff --git a/src/main/java/org/onap/msb/sdk/discovery/entity/MicroServiceInfo.java b/src/main/java/org/onap/msb/sdk/discovery/entity/MicroServiceInfo.java
new file mode 100644
index 0000000..00ffe81
--- /dev/null
+++ b/src/main/java/org/onap/msb/sdk/discovery/entity/MicroServiceInfo.java
@@ -0,0 +1,55 @@
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ ******************************************************************************/
+package org.onap.msb.sdk.discovery.entity;
+
+import java.io.Serializable;
+import java.util.Set;
+
+/**
+ * @ClassName: MicroServiceInfo Bean
+ * @Description:微服务信息实体类
+ * @author 10188044
+ * @date 2016-1-19
+ */
+public class MicroServiceInfo extends Service<Node> implements Serializable {
+  private static final long serialVersionUID = 1L;
+
+  private Set<Node> nodes;
+
+  public Set<Node> getNodes() {
+    return nodes;
+  }
+
+  public void setNodes(Set<Node> nodes) {
+    this.nodes = nodes;
+  }
+
+  public String toString() {
+    StringBuffer buf = new StringBuffer();
+    buf.append("MicroService List:").append("\r\n");;
+    buf.append("serviceName:").append(getServiceName()).append("\r\n");
+    buf.append("version:").append(getVersion()).append("\r\n");
+    buf.append("url:").append(getUrl()).append("\r\n");
+    buf.append("protocol:").append(getProtocol()).append("\r\n");
+    buf.append("visualRange:").append(getVisualRange()).append("\r\n");
+    buf.append("nodes:").append("\r\n");
+
+    for (Node nodeInstace : this.nodes) {
+      buf.append("  ip-").append(nodeInstace.getIp()).append("\r\n");
+      buf.append("  port-").append(nodeInstace.getPort()).append("\r\n");
+      buf.append("  ttl-").append(nodeInstace.getTtl()).append("\r\n");
+    }
+    return buf.toString();
+  }
+}
diff --git a/src/main/java/org/onap/msb/sdk/discovery/entity/Node.java b/src/main/java/org/onap/msb/sdk/discovery/entity/Node.java
new file mode 100644
index 0000000..c28f232
--- /dev/null
+++ b/src/main/java/org/onap/msb/sdk/discovery/entity/Node.java
@@ -0,0 +1,166 @@
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ ******************************************************************************/
+package org.onap.msb.sdk.discovery.entity;
+
+import java.io.Serializable;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class Node implements Serializable {
+  private static final long serialVersionUID = 1L;
+
+  private String ip;
+
+  private String port;
+
+  private String ttl = "";
+
+  // 负载均衡策略参数
+  private String lb_server_params = "";
+
+  // 健康检查参数
+  private String checkType = "";
+  private String checkUrl = "";
+  private String checkInterval = "";
+  private String checkTimeOut = "";
+
+  private String ha_role = "";
+
+
+  public String getHa_role() {
+    return ha_role;
+  }
+
+
+  /**
+   * @Title setHa_role
+   * @Description TODO(实例主备状态，取值范围：active,standby)
+   * @param ha_role
+   * @return void
+   */
+  public void setHa_role(String ha_role) {
+    this.ha_role = ha_role;
+  }
+
+
+
+  public String getIp() {
+    return ip;
+  }
+
+  public void setIp(String ip) {
+    this.ip = ip;
+  }
+
+  public String getPort() {
+    return port;
+  }
+
+  public void setPort(String port) {
+    this.port = port;
+  }
+
+  public String getTtl() {
+    return ttl;
+  }
+
+  public void setTtl(String ttl) {
+    this.ttl = ttl;
+  }
+
+
+  @Override
+  public String toString() {
+    // TODO Auto-generated method stub
+    return (new StringBuilder().append(ip).append(":").append(port).append("  ttl:").append(ttl))
+        .toString();
+  }
+
+  public String getLb_server_params() {
+    return lb_server_params;
+  }
+
+  /**
+   * @Title setLb_server_params
+   * @Description TODO(针对协议为TCP或UDP的服务实例配置负载均衡参数) <br>
+   *              支持的server参数设置： <br>
+   *              1. weight: server的权重，不显式设置默认为1 <br>
+   *              2.
+   *              max_fails：在fail_timeout设置的时间间隔内，允许失败尝试的次数，不显式设置默认为1.比如fail_timeout=30s，max_fails=6，那表示在30s内如果6次连接失败，那认定该server为unavailable
+   *              <br>
+   *              3. fail_timeout：判定server为unavailable的时间间隔。如果不显式设置，默认设置为10s
+   * @param lb_server_params (示例：weight=5,max_fails=3,fail_timeout=30s)
+   * @return void
+   */
+  public void setLb_server_params(String lb_server_params) {
+    this.lb_server_params = lb_server_params;
+  }
+
+  public String getCheckType() {
+    return checkType;
+  }
+
+  /**
+   * @Title setCheckType
+   * @Description TODO(健康检查类型，可选范围：TTL,HTTP,TCP) <br>
+   *              1.HTTP保活由"MSB"每隔checkInterval时间向"服务提供方"发送 GET请求。如果请求返回任何2xx状态码，检测成功。 <br>
+   *              2.TCP保活原理同HTTP，协议不同。 <br>
+   *              3.TTL保活由"服务提供方"向"MSB"发送HTTP请求以保持联通状态，在checkInterval设置的时间间隔内未能收到保活请求，服务发现将此服务状态设置为无效。
+   * @param checkType
+   * @return void
+   */
+  public void setCheckType(String checkType) {
+    this.checkType = checkType;
+  }
+
+  public String getCheckUrl() {
+    return checkUrl;
+  }
+
+  /**
+   * @Title setCheckUrl
+   * @Description TODO(健康检查类型为HTTP或TCP，填写检查URL)
+   * @param checkUrl
+   * @return void
+   */
+  public void setCheckUrl(String checkUrl) {
+    this.checkUrl = checkUrl;
+  }
+
+  public String getCheckInterval() {
+    return checkInterval;
+  }
+
+  /**
+   * @Title setCheckInterval
+   * @Description TODO(健康检查轮询时间，单位：秒)
+   * @param checkInterval
+   * @return void
+   */
+  public void setCheckInterval(String checkInterval) {
+    this.checkInterval = checkInterval;
+  }
+
+
+  public String getCheckTimeOut() {
+    return checkTimeOut;
+  }
+
+
+  public void setCheckTimeOut(String checkTimeOut) {
+    this.checkTimeOut = checkTimeOut;
+  }
+
+}
diff --git a/src/main/java/org/onap/msb/sdk/discovery/entity/NodeAddress.java b/src/main/java/org/onap/msb/sdk/discovery/entity/NodeAddress.java
new file mode 100644
index 0000000..bd544d7
--- /dev/null
+++ b/src/main/java/org/onap/msb/sdk/discovery/entity/NodeAddress.java
@@ -0,0 +1,53 @@
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ ******************************************************************************/
+package org.onap.msb.sdk.discovery.entity;
+
+import java.io.Serializable;
+
+public class NodeAddress implements Serializable {
+  private static final long serialVersionUID = 1L;
+
+
+  private String ip;
+
+
+  private String port;
+
+
+  public String getIp() {
+    return ip;
+  }
+
+  public void setIp(String ip) {
+    this.ip = ip;
+  }
+
+  public String getPort() {
+    return port;
+  }
+
+  public void setPort(String port) {
+    this.port = port;
+  }
+
+  public NodeAddress() {
+
+  }
+
+  public NodeAddress(String ip, String port) {
+    this.ip = ip;
+    this.port = port;
+  }
+
+}
diff --git a/src/main/java/org/onap/msb/sdk/discovery/entity/NodeInfo.java b/src/main/java/org/onap/msb/sdk/discovery/entity/NodeInfo.java
new file mode 100644
index 0000000..316b548
--- /dev/null
+++ b/src/main/java/org/onap/msb/sdk/discovery/entity/NodeInfo.java
@@ -0,0 +1,80 @@
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ ******************************************************************************/
+package org.onap.msb.sdk.discovery.entity;
+
+import java.util.Date;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class NodeInfo extends Node {
+
+  private static final long serialVersionUID = 8955786461351557306L;
+
+  private String nodeId;
+
+  private String status; // 实例健康检查状态
+
+  @JsonSerialize(using = CustomDateSerializer.class)
+  private Date expiration;
+
+  @JsonSerialize(using = CustomDateSerializer.class)
+  private Date created_at;
+
+  @JsonSerialize(using = CustomDateSerializer.class)
+  private Date updated_at;
+
+  public Date getExpiration() {
+    return expiration;
+  }
+
+  public void setExpiration(Date expiration) {
+    this.expiration = expiration;
+  }
+
+  public Date getCreated_at() {
+    return created_at;
+  }
+
+  public void setCreated_at(Date created_at) {
+    this.created_at = created_at;
+  }
+
+  public Date getUpdated_at() {
+    return updated_at;
+  }
+
+  public void setUpdated_at(Date updated_at) {
+    this.updated_at = updated_at;
+  }
+
+  public String getNodeId() {
+    return nodeId;
+  }
+
+  public void setNodeId(String nodeId) {
+    this.nodeId = nodeId;
+  }
+
+  public String getStatus() {
+    return status;
+  }
+
+  public void setStatus(String status) {
+    this.status = status;
+  }
+
+
+}
diff --git a/src/main/java/org/onap/msb/sdk/discovery/entity/RouteResult.java b/src/main/java/org/onap/msb/sdk/discovery/entity/RouteResult.java
new file mode 100644
index 0000000..9e266fa
--- /dev/null
+++ b/src/main/java/org/onap/msb/sdk/discovery/entity/RouteResult.java
@@ -0,0 +1,42 @@
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ ******************************************************************************/
+package org.onap.msb.sdk.discovery.entity;
+
+/**
+ * @ClassName: ApiRouteResult
+ * @Description: TODO(ApiRoute操作返回类)
+ * @author tanghua10186366
+ * @date 2015年9月25日 上午11:24:42
+ * 
+ */
+public class RouteResult {
+  private String result;
+  private String info;
+
+  public String getInfo() {
+    return info;
+  }
+
+  public void setInfo(String info) {
+    this.info = info;
+  }
+
+  public String getResult() {
+    return result;
+  }
+
+  public void setResult(String result) {
+    this.result = result;
+  }
+}
diff --git a/src/main/java/org/onap/msb/sdk/discovery/entity/Service.java b/src/main/java/org/onap/msb/sdk/discovery/entity/Service.java
new file mode 100644
index 0000000..a89ded9
--- /dev/null
+++ b/src/main/java/org/onap/msb/sdk/discovery/entity/Service.java
@@ -0,0 +1,180 @@
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ ******************************************************************************/
+package org.onap.msb.sdk.discovery.entity;
+
+import java.io.Serializable;
+import java.util.List;
+import java.util.Set;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class Service<T> implements Serializable {
+  private static final long serialVersionUID = 1L;
+  // 服务名[必填]
+  private String serviceName;
+  // 版本号 ( 格式：v（小写）+数字)
+  private String version = "";
+  // 服务url (格式：url地址以/开头，不能以/结尾)
+  private String url = "";
+  // 服务对应协议，比如REST、UI、HTTP、MQ、FTP、SNMP、TCP、UDP
+  private String protocol = "";
+  // 服务的可见范围 0:系统间 1:系统内
+  private String visualRange = "1";
+
+  // 负载均衡策略类型
+  private String lb_policy = "";
+
+
+  private String host = "";
+
+  private String path = "";
+
+  private Set<T> nodes;
+
+  // 服务自身属性的键值对
+  private List<KeyVaulePair> metadata;
+
+  public String getHost() {
+    return host;
+  }
+
+  public void setHost(String host) {
+    this.host = host;
+  }
+
+  public String getPath() {
+    return path;
+  }
+
+  public void setPath(String path) {
+    this.path = path;
+  }
+
+  public String getLb_policy() {
+    return lb_policy;
+  }
+
+  /**
+   * @Title setLb_policy
+   * @Description TODO(针对协议为TCP或UDP的服务选择负载均衡策略)
+   * @param lb_policy (可选策略：round-robin,ip_hash)
+   * @return void
+   */
+  public void setLb_policy(String lb_policy) {
+    this.lb_policy = lb_policy;
+  }
+
+  public List<KeyVaulePair> getMetadata() {
+    return metadata;
+  }
+
+  /**
+   * @Title setMetadata
+   * @Description TODO(配置服务特有的附加属性键值对)
+   * @param metadata
+   * @return void
+   */
+  public void setMetadata(List<KeyVaulePair> metadata) {
+    this.metadata = metadata;
+  }
+
+  public Set<T> getNodes() {
+    return nodes;
+  }
+
+  /**
+   * @Title setNodes
+   * @Description TODO(配置服务的服务器实例列表)
+   * @param nodes
+   * @return void
+   */
+  public void setNodes(Set<T> nodes) {
+    this.nodes = nodes;
+  }
+
+  public String getServiceName() {
+    return serviceName;
+  }
+
+  /**
+   * 
+   * @Title setServiceName
+   * @Description TODO(服务名[必填])
+   * @param serviceName
+   * @return void
+   */
+  public void setServiceName(String serviceName) {
+    this.serviceName = serviceName;
+  }
+
+  public String getVersion() {
+    return version;
+  }
+
+  /**
+   * 
+   * @Title setVersion
+   * @Description TODO(版本号 ( 格式：v（小写）+数字))
+   * @param version
+   * @return void
+   */
+  public void setVersion(String version) {
+    this.version = version;
+  }
+
+  public String getUrl() {
+    return url;
+  }
+
+  /**
+   * @Title setUrl
+   * @Description TODO(目标服务URL地址 (格式：url地址以/开头，不能以/结尾))
+   * @param url
+   * @return void
+   */
+  public void setUrl(String url) {
+    this.url = url;
+  }
+
+  public String getProtocol() {
+    return protocol;
+  }
+
+  /**
+   * @Title setProtocol
+   * @Description TODO(服务对应协议，比如REST、MQ、FTP、SNMP[必填])
+   * @param protocol
+   * @return void
+   */
+  public void setProtocol(String protocol) {
+    this.protocol = protocol;
+  }
+
+
+  public String getVisualRange() {
+    return visualRange;
+  }
+
+  /**
+   * @Title setVisualRange
+   * @Description TODO(服务的可见范围 系统间:0 系统内:1 ，多个可见范围用 "|"分隔，如"0|1" )
+   * @param visualRange
+   * @return void
+   */
+  public void setVisualRange(String visualRange) {
+    this.visualRange = visualRange;
+  }
+
+}
diff --git a/src/main/java/org/onap/msb/sdk/discovery/util/HttpClientUtil.java b/src/main/java/org/onap/msb/sdk/discovery/util/HttpClientUtil.java
new file mode 100644
index 0000000..b3bcf0b
--- /dev/null
+++ b/src/main/java/org/onap/msb/sdk/discovery/util/HttpClientUtil.java
@@ -0,0 +1,182 @@
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ ******************************************************************************/
+package org.onap.msb.sdk.discovery.util;
+
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.http.NameValuePair;
+import org.apache.http.client.ClientProtocolException;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpDelete;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.client.methods.HttpPut;
+import org.apache.http.client.utils.URLEncodedUtils;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.message.BasicNameValuePair;
+import org.apache.http.util.EntityUtils;
+import org.onap.msb.sdk.discovery.common.RouteConst;
+import org.onap.msb.sdk.discovery.common.RouteException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class HttpClientUtil {
+
+  private static final Logger logger = LoggerFactory.getLogger(HttpClientUtil.class);
+
+  public static String httpPostWithJSON(String url, String params) throws RouteException {
+    String result = null;
+    CloseableHttpClient httpClient = HttpClients.createDefault();
+    HttpPost httpPost = new HttpPost(url);
+    httpPost.addHeader("Content-type", "application/json; charset=utf-8");
+    httpPost.setHeader("Accept", "application/json");
+    httpPost.setEntity(new StringEntity(params, Charset.forName("UTF-8")));
+    try {
+      CloseableHttpResponse res = httpClient.execute(httpPost);
+      result = EntityUtils.toString(res.getEntity());
+      if (res.getStatusLine().getStatusCode() != RouteConst.SC_POST_OK) {
+        throw new RouteException(result, "SERVICE_GET_ERR");
+      }
+      res.close();
+    } catch (IOException e) {
+      String errorMsg = url + ":httpPostWithJSON connect faild";
+      throwsRouteException(errorMsg, e, "POST_CONNECT_FAILD");
+    } finally {
+      try {
+        httpClient.close();
+      } catch (IOException e) {
+        String errorMsg = url + ":close  httpClient faild";
+        throwsRouteException(errorMsg, e, "CLOSE_CONNECT_FAILD");
+      }
+    }
+
+    return result;
+
+  }
+
+  public static void delete(String url, String parameter) throws RouteException {
+    String result = null;
+    String baseUrl;
+    if (parameter != null) {
+      List<NameValuePair> params = new ArrayList<NameValuePair>();
+      params.add(new BasicNameValuePair("serviceName", parameter));
+      baseUrl = url + "?" + URLEncodedUtils.format(params, "UTF-8");
+    } else {
+      baseUrl = url;
+    }
+
+    CloseableHttpClient httpClient = HttpClients.createDefault();;
+    try {
+
+      HttpDelete httpDelete = new HttpDelete(baseUrl);
+      CloseableHttpResponse res = httpClient.execute(httpDelete);
+
+      if (res.getStatusLine().getStatusCode() != RouteConst.SC_DEL_OK) {
+        throw new RouteException(EntityUtils.toString(res.getEntity()), "SERVICE_DELETE_ERR");
+      }
+
+      res.close();
+    } catch (IOException e) {
+      String errorMsg = baseUrl + ":delete connect faild";
+      throwsRouteException(errorMsg, e, "DELETE_CONNECT_FAILD");
+    } finally {
+      try {
+        httpClient.close();
+      } catch (IOException e) {
+        String errorMsg = baseUrl + ":close  httpClient faild";
+        throwsRouteException(errorMsg, e, "CLOSE_CONNECT_FAILD");
+      }
+    }
+
+
+  }
+
+  public static String httpGet(String url) throws RouteException {
+    String result = null;
+    CloseableHttpClient httpClient = HttpClients.createDefault();
+    HttpGet httpGet = new HttpGet(url);
+    httpGet.addHeader("Content-type", "application/json; charset=utf-8");
+    httpGet.setHeader("Accept", "application/json");
+    try {
+      CloseableHttpResponse res = httpClient.execute(httpGet);
+      result = EntityUtils.toString(res.getEntity());
+      if (res.getStatusLine().getStatusCode() != RouteConst.SC_OK) {
+        throw new RouteException(result, "SERVICE_GET_ERR");
+      }
+      res.close();
+    } catch (ClientProtocolException e) {
+      String errorMsg = url + ":httpGetWithJSON connect faild";
+      throwsRouteException(errorMsg, e, "GET_CONNECT_FAILD");
+    } catch (IOException e) {
+      String errorMsg = url + ":httpGetWithJSON connect faild";
+      throwsRouteException(errorMsg, e, "GET_CONNECT_FAILD");
+    } finally {
+      try {
+        httpClient.close();
+      } catch (IOException e) {
+        String errorMsg = url + ":close  httpClient faild";
+        throwsRouteException(errorMsg, e, "CLOSE_CONNECT_FAILD");
+      }
+    }
+
+    return result;
+
+  }
+
+
+  public static String httpPutWithJSON(String url, String params) throws RouteException {
+    String result = null;
+    CloseableHttpClient httpClient = HttpClients.createDefault();
+    HttpPut httpPut = new HttpPut(url);
+    httpPut.addHeader("Content-type", "application/json; charset=utf-8");
+    httpPut.setHeader("Accept", "application/json");
+    httpPut.setEntity(new StringEntity(params, Charset.forName("UTF-8")));
+    try {
+      CloseableHttpResponse res = httpClient.execute(httpPut);
+      result = EntityUtils.toString(res.getEntity());
+      if (res.getStatusLine().getStatusCode() != RouteConst.SC_POST_OK) {
+        throw new RouteException(result, "SERVICE_GET_ERR");
+      }
+      res.close();
+    } catch (IOException e) {
+      String errorMsg = url + ":httpPostWithJSON connect faild";
+      throwsRouteException(errorMsg, e, "POST_CONNECT_FAILD");
+    } finally {
+      try {
+        httpClient.close();
+      } catch (IOException e) {
+        String errorMsg = url + ":close  httpClient faild";
+        throwsRouteException(errorMsg, e, "CLOSE_CONNECT_FAILD");
+      }
+    }
+
+    return result;
+
+  }
+
+
+
+  private static void throwsRouteException(String errorMsg, Exception e, String errorCode)
+      throws RouteException {
+    String msg = errorMsg + ".errorMsg:" + e.getMessage();
+    logger.error(msg);
+    throw new RouteException(errorMsg, errorCode);
+  }
+
+}
diff --git a/src/main/java/org/onap/msb/sdk/discovery/util/JacksonJsonUtil.java b/src/main/java/org/onap/msb/sdk/discovery/util/JacksonJsonUtil.java
new file mode 100644
index 0000000..382dc64
--- /dev/null
+++ b/src/main/java/org/onap/msb/sdk/discovery/util/JacksonJsonUtil.java
@@ -0,0 +1,132 @@
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ ******************************************************************************/
+/**
+ * Copyright (C) 2015 ZTE, Inc. and others. All rights reserved. (ZTE)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.onap.msb.sdk.discovery.util;
+
+import org.onap.msb.sdk.discovery.common.RouteException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class JacksonJsonUtil {
+
+  private static final Logger logger = LoggerFactory.getLogger(JacksonJsonUtil.class);
+
+  private static ObjectMapper mapper;
+
+  /**
+   * 获取ObjectMapper实例
+   * 
+   * @param createNew 方式：true，新实例；false,存在的mapper实例
+   * @return
+   */
+  public static synchronized ObjectMapper getMapperInstance() {
+    if (mapper == null) {
+      mapper = new ObjectMapper();
+    }
+    return mapper;
+  }
+
+  /**
+   * 将java对象转换成json字符串
+   * 
+   * @param obj 准备转换的对象
+   * @return json字符串
+   * @throws Exception
+   */
+  public static String beanToJson(Object obj) throws RouteException {
+    String json = null;
+    try {
+      ObjectMapper objectMapper = getMapperInstance();
+      json = objectMapper.writeValueAsString(obj);
+    } catch (Exception e) {
+      String errorMsg = "Class beanToJson faild";
+      throwsRouteException(errorMsg, e, "BEAN_TO_JSON_FAILD");
+    }
+    return json;
+  }
+
+
+
+  /**
+   * 将json字符串转换成java对象
+   * 
+   * @param json 准备转换的json字符串
+   * @param cls 准备转换的类
+   * @return
+   * @throws Exception
+   */
+  public static Object jsonToBean(String json, Class<?> cls) throws RouteException {
+    Object vo = null;
+    try {
+      ObjectMapper objectMapper = getMapperInstance();
+
+
+      vo = objectMapper.readValue(json, cls);
+
+    } catch (Exception e) {
+      String errorMsg = cls + " JsonTobean faild:" + e.getMessage();
+      throwsRouteException(errorMsg, e, "JSON_TO_BEAN_FAILD");
+    }
+    return vo;
+  }
+
+
+  /**
+   * 将json字符串转换成java集合对象
+   * 
+   * @param json 准备转换的json字符串
+   * @param cls 准备转换的类
+   * @return
+   * @throws Exception
+   */
+
+  public static <T> T jsonToListBean(String json, TypeReference<T> valueTypeRef) {
+    try {
+
+      ObjectMapper objectMapper = getMapperInstance();
+
+
+      return objectMapper.readValue(json, valueTypeRef);
+
+    } catch (Exception e) {
+      String errorMsg = " JsonTobean faild:" + e.getMessage();
+      logger.error(errorMsg);
+    }
+    return null;
+  }
+
+
+
+  private static void throwsRouteException(String errorMsg, Exception e, String errorCode)
+      throws RouteException {
+    String msg = errorMsg + ".errorMsg:" + e.getMessage();
+    logger.error(msg);
+    throw new RouteException(errorMsg, errorCode);
+  }
+}
diff --git a/src/main/java/org/onap/msb/sdk/discovery/util/MsbUtil.java b/src/main/java/org/onap/msb/sdk/discovery/util/MsbUtil.java
new file mode 100644
index 0000000..2361d9f
--- /dev/null
+++ b/src/main/java/org/onap/msb/sdk/discovery/util/MsbUtil.java
@@ -0,0 +1,58 @@
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ ******************************************************************************/
+package org.onap.msb.sdk.discovery.util;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.apache.commons.lang3.StringUtils;
+import org.onap.msb.sdk.discovery.entity.Node;
+import org.onap.msb.sdk.discovery.entity.NodeInfo;
+
+/**
+ * @ClassName: MsbUtil
+ * @Description: TODO(msb功能工具方法类)
+ * @author tanghua10186366
+ * @date 2017年6月26日
+ * 
+ */
+public class MsbUtil {
+
+
+  /**
+   * @Title getConsulServiceName
+   * @Description TODO(通过服务名和命名空间组装conusl存储名，用于服务变化监听)
+   * @param serviceName
+   * @param namespace
+   * @return String
+   */
+  public static String getConsulServiceName(String serviceName, String namespace) {
+    if (StringUtils.isEmpty(namespace)) {
+      return serviceName;
+    } else {
+      return serviceName + "-" + namespace;
+    }
+  }
+
+  public static Set<NodeInfo> getLbNodes(Node lbNode) {
+    Set<NodeInfo> nodes = new HashSet<NodeInfo>();
+    NodeInfo nodeInfo = new NodeInfo();
+    nodeInfo.setIp(lbNode.getIp());
+    nodeInfo.setPort(lbNode.getPort());
+    nodes.add(nodeInfo);
+
+    return nodes;
+  }
+
+}
diff --git a/src/main/java/org/onap/msb/sdk/discovery/util/RegExpTestUtil.java b/src/main/java/org/onap/msb/sdk/discovery/util/RegExpTestUtil.java
new file mode 100644
index 0000000..9afeb7c
--- /dev/null
+++ b/src/main/java/org/onap/msb/sdk/discovery/util/RegExpTestUtil.java
@@ -0,0 +1,75 @@
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ ******************************************************************************/
+package org.onap.msb.sdk.discovery.util;
+
+import java.util.regex.Pattern;
+
+public class RegExpTestUtil {
+
+  public static boolean serviceNameRegExpTest(String serviceName) {
+
+    String serviceNameReg = "^([0-9a-zA-Z]|-|_)*$";
+    return Pattern.matches(serviceNameReg, serviceName);
+
+  }
+
+
+  public static boolean hostRegExpTest(String host) {
+
+    String hostReg = "^(1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|[1-9])\\."
+        + "(00?\\d|1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|\\d)\\."
+        + "(00?\\d|1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|\\d)\\."
+        + "(00?\\d|1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|\\d)" + ":(\\d{1,5})$";
+    return Pattern.matches(hostReg, host);
+
+  }
+
+  public static boolean ipRegExpTest(String ip) {
+
+    String hostReg = "^(1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|[1-9])\\."
+        + "(00?\\d|1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|\\d)\\."
+        + "(00?\\d|1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|\\d)\\."
+        + "(00?\\d|1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|\\d)$";
+    return Pattern.matches(hostReg, ip);
+
+  }
+
+  public static boolean portRegExpTest(String port) {
+
+    String hostReg = "^\\d{1,5}$";
+    return Pattern.matches(hostReg, port);
+
+  }
+
+  public static boolean versionRegExpTest(String version) {
+
+    String versionReg = "^v\\d+(\\.\\d+)?$";
+    return Pattern.matches(versionReg, version);
+
+  }
+
+  public static boolean urlRegExpTest(String url) {
+    if (url.equals("/"))
+      return true;
+    String urlReg = "^\\/.*((?!\\/).)$";
+    return Pattern.matches(urlReg, url);
+
+  }
+
+
+
+  public static void main(String[] args) {
+    System.out.println(urlRegExpTest("/"));
+  }
+}
diff --git a/version.properties b/version.properties
new file mode 100644
index 0000000..2ddebb3
--- /dev/null
+++ b/version.properties
@@ -0,0 +1,6 @@
+major=1
+minor=0
+patch=0
+base_version=${major}.${minor}.${patch}
+release_version=${base_version}
+snapshot_version=${base_version}-SNAPSHOT