Moving getRequestPath utility to common-http utility class

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@916511 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 85 insertions, 0 deletions

diff --git a/sca-java-2.x/trunk/modules/common-http/pom.xml b/sca-java-2.x/trunk/modules/common-http/pom.xml
index 2a8cbdfa25..2fa94a708c 100644
--- a/sca-java-2.x/trunk/modules/common-http/pom.xml
+++ b/sca-java-2.x/trunk/modules/common-http/pom.xml
@@ -28,4 +28,20 @@
     <artifactId>tuscany-common-http</artifactId>
     <name>Apache Tuscany SCA Common HTTP</name>
 
+    <dependencies>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>servlet-api</artifactId>
+            <version>2.5</version> <!-- to keep compatible with older servlet containers -->
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.8.1</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
 </project>
diff --git a/sca-java-2.x/trunk/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPUtil.java b/sca-java-2.x/trunk/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPUtil.java
new file mode 100644
index 0000000000..99aea93528
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPUtil.java
@@ -0,0 +1,69 @@
+/*
+ * 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 javax.servlet.http.HttpServletRequest;
+
+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;
+    }
+}