From ae9b105c6718dcb91b415e257acc8b8c8bf0c6c7 Mon Sep 17 00:00:00 2001
From: antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68>
Date: Tue, 30 Nov 2010 18:46:45 +0000
Subject: Create branch for 2.0 beta2 release

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1040693 13f79535-47bb-0310-9956-ffa450edef68
---
 .../apache/tuscany/sca/common/http/HTTPUtil.java   | 93 ++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 sca-java-2.x/branches/2.0-Beta2/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPUtil.java

(limited to 'sca-java-2.x/branches/2.0-Beta2/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPUtil.java')

diff --git a/sca-java-2.x/branches/2.0-Beta2/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPUtil.java b/sca-java-2.x/branches/2.0-Beta2/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPUtil.java
new file mode 100644
index 0000000000..f810970869
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta2/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPUtil.java
@@ -0,0 +1,93 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.apache.tuscany.sca.common.http;
+
+import java.math.BigInteger;
+import java.security.MessageDigest;
+
+import javax.servlet.http.HttpServletRequest;
+
+/**
+ * 
+ *  @tuscany.spi.extension.asclient
+ *
+ */
+public class HTTPUtil {
+
+    /**
+     * Calculate the relative request path taking in consideration if 
+     * the application is running in a embedded webContatiner or from
+     * within a web application server host environment
+     * 
+     * @param request The http request
+     * @return the relative path
+     */
+    public static String getRequestPath(HttpServletRequest request) {
+        // Get the request path
+        String contextPath = request.getContextPath();
+        String servletPath = request.getServletPath();
+        String requestURI = request.getRequestURI();
+        
+        int contextPathLength = contextPath.length();
+        int servletPathLenght = servletPath.contains(contextPath) ? servletPath.length() - contextPath.length() : servletPath.length();
+        
+        String requestPath = requestURI.substring(contextPathLength + servletPathLenght);
+        
+        return requestPath;
+    }
+    
+    /**
+     * Calculate the context root for an application taking in consideration if 
+     * the application is running in a embedded webContatiner or from
+     * within a web application server host environment. 
+     * 
+     * In the case of webContainer the contextRoot will always be a empty string.
+     * 
+     * @param request The http request
+     * @return the contextRoot
+     */    
+    public static String getContextRoot(HttpServletRequest request) {
+        // Get the request path
+        String contextPath = request.getContextPath();
+        String requestURI = request.getRequestURI();
+        
+        int contextPathLength = contextPath.length();
+        
+        String contextRoot = requestURI.substring(0, contextPathLength);
+        
+        return contextRoot;
+    }
+    
+    public static String calculateHashETag(byte[] content) {
+            String eTag = "invalid";
+            try {
+                MessageDigest messageDigest = MessageDigest.getInstance("MD5");
+                byte[] digest = messageDigest.digest(content);
+                BigInteger number = new BigInteger(1, digest);
+                StringBuffer sb = new StringBuffer('0');
+                sb.append(number.toString(16));
+                eTag = sb.toString();
+            } catch(Exception e) {
+                //ignore, we will return random etag
+                eTag =  Integer.toString((new java.util.Random()).nextInt(Integer.MAX_VALUE));
+            }
+            return eTag;
+    }
+}
-- 
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