svn commit: r332057 - /lenya/branches/BRANCH_1_2_X/src/java/org/apache/lenya/cms/cocoon/components/modules/input/PublicationContentDirModule.java

Author: michi
Date: Wed Nov  9 06:59:19 2005
New Revision: 332057

URL: http://svn.apache.org/viewcvs?rev=332057&view=rev
Log:
input module to make content dir configurable started

Added:
    
lenya/branches/BRANCH_1_2_X/src/java/org/apache/lenya/cms/cocoon/components/modules/input/PublicationContentDirModule.java

Added: 
lenya/branches/BRANCH_1_2_X/src/java/org/apache/lenya/cms/cocoon/components/modules/input/PublicationContentDirModule.java
URL: 
http://svn.apache.org/viewcvs/lenya/branches/BRANCH_1_2_X/src/java/org/apache/lenya/cms/cocoon/components/modules/input/PublicationContentDirModule.java?rev=332057&view=auto
==============================================================================
--- 
lenya/branches/BRANCH_1_2_X/src/java/org/apache/lenya/cms/cocoon/components/modules/input/PublicationContentDirModule.java
 (added)
+++ 
lenya/branches/BRANCH_1_2_X/src/java/org/apache/lenya/cms/cocoon/components/modules/input/PublicationContentDirModule.java
 Wed Nov  9 06:59:19 2005
@@ -0,0 +1,104 @@
+/*
+ * Copyright  1999-2004 The Apache Software Foundation
+ *
+ *  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.apache.lenya.cms.cocoon.components.modules.input;
+
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.Map;
+
+import org.apache.avalon.framework.activity.Disposable;
+import org.apache.avalon.framework.configuration.Configuration;
+import org.apache.avalon.framework.configuration.ConfigurationException;
+import org.apache.avalon.framework.service.ServiceException;
+import org.apache.avalon.framework.service.ServiceManager;
+import org.apache.avalon.framework.service.Serviceable;
+import org.apache.cocoon.components.modules.input.AbstractInputModule;
+import org.apache.excalibur.source.Source;
+import org.apache.excalibur.source.SourceNotFoundException;
+import org.apache.excalibur.source.SourceResolver;
+
+/**
+ * Gets the content directory of a specific publication and specific area
+ */
+public class PublicationContentDirModule extends AbstractInputModule 
implements Serviceable, Disposable {
+
+    /* (non-Javadoc)
+     * @see 
org.apache.cocoon.components.modules.input.InputModule#getAttribute(java.lang.String,
 org.apache.avalon.framework.configuration.Configuration, java.util.Map)
+     */
+    public Object getAttribute(String name, Configuration modeConf, Map 
objectModel)
+        throws ConfigurationException {
+
+        String resourceURI = name;
+        
+        Source source = null;
+        boolean exists = false;
+        try {
+            source = resolver.resolveURI(resourceURI);
+            exists = source.exists();
+        } catch (SourceNotFoundException e) {
+            exists = false;
+        } catch (Exception e) {
+            getLogger().warn("Exception resolving resource [" + resourceURI + 
"]", e);
+            exists = false;
+        } finally {
+            if (source != null) {
+                resolver.release(source);
+            }
+        }
+
+        return Boolean.toString(exists);
+    }
+
+    /* (non-Javadoc)
+     * @see 
org.apache.cocoon.components.modules.input.InputModule#getAttributeNames(org.apache.avalon.framework.configuration.Configuration,
 java.util.Map)
+     */
+    public Iterator getAttributeNames(Configuration modeConf, Map objectModel)
+        throws ConfigurationException {
+        return Collections.EMPTY_SET.iterator();
+    }
+
+    private ServiceManager manager;
+    private SourceResolver resolver;
+
+    /* (non-Javadoc)
+     * @see 
org.apache.avalon.framework.service.Serviceable#service(org.apache.avalon.framework.service.ServiceManager)
+     */
+    public void service(ServiceManager manager) throws ServiceException {
+        this.manager = manager;
+        this.resolver = (SourceResolver) manager.lookup(SourceResolver.ROLE);
+    }
+
+    /* (non-Javadoc)
+     * @see org.apache.avalon.framework.activity.Disposable#dispose()
+     */
+    public void dispose() {
+        super.dispose();
+        this.manager.release(this.resolver);
+        this.resolver = null;
+        this.manager = null;
+    }
+
+    /* (non-Javadoc)
+     * @see 
org.apache.cocoon.components.modules.input.InputModule#getAttributeValues(java.lang.String,
 org.apache.avalon.framework.configuration.Configuration, java.util.Map)
+     */
+    public Object[] getAttributeValues(String name, Configuration modeConf, 
Map objectModel)
+        throws ConfigurationException {
+        Object result = this.getAttribute(name, modeConf, objectModel);
+        return (result == null ? null : new Object[] {result});
+    }
+
+}