201305.mbox/raw/%3c20130528072151.AF9222388C7D@eris.apache.org%3e

+
+    /*
+     * 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.chemistry.opencmis.server.shared;
+
+    import java.io.UnsupportedEncodingException;
+    import java.net.URLDecoder;
+    import java.util.Map;
+
+    import javax.servlet.http.HttpServletRequest;
+
+    import org.apache.chemistry.opencmis.commons.exceptions.CmisRuntimeException;
+
+    public class HttpUtils {
+
+        /**
+         * Extracts a string parameter.
+         */
+        public static String getStringParameter(final HttpServletRequest request, final String name) {
+            if (name == null) {
+                return null;
+            }
+
+            @SuppressWarnings("unchecked")
+            Map<String, String[]> parameters = (Map<String, String[]>) request.getParameterMap();
+            for (Map.Entry<String, String[]> parameter : parameters.entrySet()) {
+                if (name.equalsIgnoreCase(parameter.getKey())) {
+                    if (parameter.getValue() == null) {
+                        return null;
+                    }
+                    return parameter.getValue()[0];
+                }
+            }
+
+            return null;
+        }
+
+        /**
+         * Splits the path into its fragments.
+         */
+        public static String[] splitPath(final HttpServletRequest request) {
+            int prefixLength = request.getContextPath().length() + request.getServletPath().length();
+            String p = request.getRequestURI().substring(prefixLength);
+
+            if (p.length() == 0) {
+                return new String[0];
+            }
+
+            String[] result = p.substring(1).split("/");
+            for (int i = 0; i < result.length; i++) {
+                try {
+                    result[i] = URLDecoder.decode(result[i], "UTF-8");
+                } catch (UnsupportedEncodingException e) {
+                    // should not happen
+                    throw new CmisRuntimeException(e.getMessage(), e);
+                }
+            }
+
+            return result;
+        }
+    }
+