msb discovery java client

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

4 files changed, 447 insertions, 0 deletions

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("/"));
+  }
+}