init code

[vfc/nfvo/wfengine.git] / wso2 / common-util / src / main / java / org / openo / baseservice / util / RestUtils.java

diff --git a/wso2/common-util/src/main/java/org/openo/baseservice/util/RestUtils.java b/wso2/common-util/src/main/java/org/openo/baseservice/util/RestUtils.java
new file mode 100644 (file)
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--- /dev/null
+++ b/wso2/common-util/src/main/java/org/openo/baseservice/util/RestUtils.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright 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.util;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+
+import javax.servlet.http.HttpServletRequest;
+
+/**
+ * Utility functions for ROA.<br/>
+ * <p>
+ * </p>
+ * 
+ * @author
+ * @version   31-May-2016
+ */
+public final class RestUtils {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(RestUtils.class);
+
+    private RestUtils() {
+
+    }
+
+    /**
+     * To get body from http request<br/>
+     * 
+     * @param request : request object.
+     * @return Request body as string.
+     * @since  
+     */
+    public static String getRequestBody(final HttpServletRequest request) {
+        String body = null;
+        final StringBuilder stringBuilder = new StringBuilder();
+        BufferedReader bufferedReader = null;
+
+        try {
+            final InputStream inputStream = request.getInputStream();
+            if(inputStream != null) {
+                bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
+                final char[] charBuffer = new char[128];
+                int bytesRead = -1;
+                while((bytesRead = bufferedReader.read(charBuffer)) > 0) {
+                    stringBuilder.append(charBuffer, 0, bytesRead);
+                }
+            }
+        } catch(final IOException ex) {
+            LOGGER.error("read inputStream buffer catch exception:", ex);
+        } finally {
+            if(bufferedReader != null) {
+                try {
+                    bufferedReader.close();
+                } catch(final IOException ex) {
+                    LOGGER.error("close buffer catch exception:", ex);
+                }
+            }
+        }
+
+        body = stringBuilder.toString();
+        return body;
+    }
+
+}