Merged DEV\EXTENSIONS to HEAD

svn merge svn://svn.alfresco.com:3691/alfresco/BRANCHES/DEV/EXTENSIONS@4865 svn://svn.alfresco.com:3691/alfresco/BRANCHES/DEV/EXTENSIONS@4866 .
   svn merge svn://svn.alfresco.com:3691/alfresco/BRANCHES/DEV/EXTENSIONS@4872 svn://svn.alfresco.com:3691/alfresco/BRANCHES/DEV/EXTENSIONS@4884 .
   Dave and Gavin's search work


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@4899 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/web/config/OpenSearchConfigElement.java

@@ -0,0 +1,186 @@
+/*
+ * Copyright (C) 2005 Alfresco, Inc.
+ *
+ * Licensed under the Mozilla Public License version 1.1 
+ * with a permitted attribution clause. You may obtain a
+ * copy of the License at
+ *
+ *   http://www.alfresco.org/legal/license.txt
+ *
+ * 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.alfresco.web.config;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.alfresco.config.ConfigElement;
+import org.alfresco.config.ConfigException;
+import org.alfresco.config.element.ConfigElementAdapter;
+
+
+/**
+ * Custom config element that represents the config data for open search
+ * 
+ * @author davidc
+ */
+public class OpenSearchConfigElement extends ConfigElementAdapter
+{
+    public static final String CONFIG_ELEMENT_ID = "opensearch";
+
+    private Set<EngineConfig> engines = new HashSet<EngineConfig>(8, 10f);
+
+    
+    /**
+     * Default constructor
+     */
+    public OpenSearchConfigElement()
+    {
+        super(CONFIG_ELEMENT_ID);
+    }
+
+    /**
+     * Constructor
+     * 
+     * @param name  Name of the element this config element represents
+     */
+    public OpenSearchConfigElement(String name)
+    {
+        super(name);
+    }
+
+    /**
+     * @see org.alfresco.config.ConfigElement#getChildren()
+     */
+    public List<ConfigElement> getChildren()
+    {
+        throw new ConfigException("Reading the open search config via the generic interfaces is not supported");
+    }
+
+    /**
+     * @see org.alfresco.config.ConfigElement#combine(org.alfresco.config.ConfigElement)
+     */
+    public ConfigElement combine(ConfigElement configElement)
+    {
+        OpenSearchConfigElement newElement = (OpenSearchConfigElement) configElement;
+        OpenSearchConfigElement combinedElement = new OpenSearchConfigElement();
+
+        // add all the plugins from this element
+        for (EngineConfig plugin : this.getEngines())
+        {
+            combinedElement.addEngine(plugin);
+        }
+
+        // add all the plugins from the given element
+        for (EngineConfig plugin : newElement.getEngines())
+        {
+            combinedElement.addEngine(plugin);
+        }
+
+        return combinedElement;
+    }
+
+    /**
+     * @return Returns a set of the engines
+     */
+    public Set<EngineConfig> getEngines()
+    {
+        return this.engines;
+    }
+
+    /**
+     * Adds an engine
+     * 
+     * @param pluginConfig  A pre-configured engine config object
+     */
+    /*package*/ void addEngine(EngineConfig engineConfig)
+    {
+        this.engines.add(engineConfig);
+    }
+
+
+    /**
+     * Inner class representing the configuration of an OpenSearch engine
+     * 
+     * @author davidc
+     */
+    public static class EngineConfig
+    {
+        protected String label;
+        protected String labelId;
+        protected Map<String, String> urls = new HashMap<String, String>(8, 10f);
+
+        /**
+         * Construct
+         * 
+         * @param label
+         * @param labelId
+         */
+        public EngineConfig(String label, String labelId)
+        {
+            if ((label == null || label.length() == 0) && (labelId == null || labelId.length() == 0))
+            {
+                throw new IllegalArgumentException("'label' or 'label-id' must be specified");
+            }
+            this.label = label;
+            this.labelId = labelId;
+        }
+    
+        /**
+         * @return  I18N label id
+         */
+        public String getLabelId()
+        {
+            return labelId;
+        }
+
+        /**
+         * @return  label
+         */
+        public String getLabel()
+        {
+            return label;
+        }
+
+        /**
+         * Gets the urls supported by this engine
+         * 
+         * @return  urls
+         */
+        public Map<String, String> getUrls()
+        {
+            return urls;
+        }
+
+        /**
+         * Adds a url
+         * 
+         * @param pluginConfig  A pre-configured plugin config object
+         */
+        /*package*/ void addUrl(String mimetype, String uri)
+        {
+            this.urls.put(mimetype, uri);
+        }
+        
+        /**
+         * @see java.lang.Object#toString()
+         */
+        @Override
+        public String toString()
+        {
+            StringBuilder buffer = new StringBuilder(super.toString());
+            buffer.append(" {label=").append(this.label);
+            buffer.append(" labelId=").append(this.labelId).append(")");
+            return buffer.toString();
+        }        
+    }
+    
+}