1 files changed, 169 insertions, 0 deletions
diff --git a/CommonLibrary/rest-client/src/main/java/org/openo/baseservice/roa/util/clientsdk/HttpUtil.java b/CommonLibrary/rest-client/src/main/java/org/openo/baseservice/roa/util/clientsdk/HttpUtil.java
new file mode 100644
index 0000000..3c6493c
--- /dev/null
+++ b/CommonLibrary/rest-client/src/main/java/org/openo/baseservice/roa/util/clientsdk/HttpUtil.java
@@ -0,0 +1,169 @@
+/*
+ * Copyright (c) 2016, Huawei Technologies Co., Ltd.
+ *
+ * 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.openo.baseservice.roa.util.clientsdk;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.util.Collection;
+import java.util.Date;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Http utilities.
+ * <br/>
+ * <p>
+ * </p>
+ * 
+ * @author
+ * @version SDNO 0.5 28-May-2016
+ */
+public class HttpUtil {
+
+    /**
+     * 
+     */
+    private static final String APPLICATION_JSON = "application/json";
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(HttpUtil.class);
+
+    private HttpUtil() {
+
+    }
+
+    /**
+     * Check if the given array contains the given value (with case-insensitive comparison).
+     * <br/>
+     * 
+     * @param array The array
+     * @param value The value to search
+     * @return true if the array contains the value
+     * @since SDNO 0.5
+     */
+    public static boolean containsIgnoreCase(final String[] array, final String value) {
+        for(final String str : array) {
+            if(value == null && str == null) {
+                return true;
+            }
+            if(value != null && value.equalsIgnoreCase(str)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Join an array of strings with the given separator.
+     * <br/>
+     * 
+     * @param array The array of strings
+     * @param separator The separator
+     * @return the resulting string
+     * @since SDNO 0.5
+     */
+    public static String join(final String[] array, final String separator) {
+        final int len = array.length;
+        if(len == 0) {
+            return "";
+        }
+        final StringBuilder out = new StringBuilder();
+        out.append(array[0]);
+        for(int i = 1; i < len; i++) {
+            out.append(separator).append(array[i]);
+        }
+        return out.toString();
+    }
+
+    /**
+     * Format the given parameter object into string.
+     * <br/>
+     * 
+     * @param param param input
+     * @return query param string
+     * @since SDNO 0.5
+     */
+    public static String parameterToString(final Object param) {
+        if(param == null) {
+            return "";
+        } else if(param instanceof Date) {
+            return Long.toString(((Date)param).getTime());
+        } else if(param instanceof Collection) {
+            final StringBuilder b = new StringBuilder();
+            for(final Object o : (Collection)param) {
+                if(b.length() > 0) {
+                    b.append(',');
+                }
+                b.append(String.valueOf(o));
+            }
+            return b.toString();
+        } else {
+            return String.valueOf(param);
+        }
+    }
+
+    /**
+     * get accept header
+     * <br/>
+     * 
+     * @param accepts accepts accept types
+     * @return the accepts string
+     * @since SDNO 0.5
+     */
+    public static String selectHeaderAccept(final String[] accepts) {
+        if(accepts.length == 0) {
+            return null;
+        }
+        if(HttpUtil.containsIgnoreCase(accepts, APPLICATION_JSON)) {
+            return APPLICATION_JSON;
+        }
+        return HttpUtil.join(accepts, ",");
+    }
+
+    /**
+     * select head content type
+     * <br/>
+     * 
+     * @param contentTypes contentTypes content types
+     * @return the json string or the first content type
+     * @since SDNO 0.5
+     */
+    public static String selectHeaderContentType(final String[] contentTypes) {
+        if(contentTypes.length == 0) {
+            return APPLICATION_JSON;
+        }
+        if(HttpUtil.containsIgnoreCase(contentTypes, APPLICATION_JSON)) {
+            return APPLICATION_JSON;
+        }
+        return contentTypes[0];
+    }
+
+    /**
+     * Escape the given string to be used as URL query value.<br/>
+     * 
+     * @param str str param str
+     * @return escape string
+     * @since SDNO 0.5
+     */
+    public static String escapeString(final String str) {
+        try {
+            return URLEncoder.encode(str, "utf8").replaceAll("\\+", "%20");
+        } catch(final UnsupportedEncodingException e) {
+            LOGGER.info("UTF8 is not supported", e);
+            return str;
+        }
+    }
+}