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From ddew...@apache.org
Subject svn commit: rev 54203 - portals/pluto/branches/pluto-1.1/portal/src/java/org/apache/pluto/driver/services
Date Sun, 10 Oct 2004 02:42:34 GMT
Author: ddewolf
Date: Sat Oct  9 19:42:34 2004
New Revision: 54203

Added:
   portals/pluto/branches/pluto-1.1/portal/src/java/org/apache/pluto/driver/services/PortletPreferenceImpl.java
Modified:
   portals/pluto/branches/pluto-1.1/portal/src/java/org/apache/pluto/driver/services/PortletPreferencesProviderImpl.java
Log:
Adding Portlet Preference Support.  Simple implementation stores preferences in ${user.home}/.pluto/<server>/<context>/<portlet-id>/<userId>.prefs

Added: portals/pluto/branches/pluto-1.1/portal/src/java/org/apache/pluto/driver/services/PortletPreferenceImpl.java
==============================================================================
--- (empty file)
+++ portals/pluto/branches/pluto-1.1/portal/src/java/org/apache/pluto/driver/services/PortletPreferenceImpl.java
Sat Oct  9 19:42:34 2004
@@ -0,0 +1,69 @@
+/*
+ * Copyright 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.pluto.driver.services;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+import org.apache.pluto.core.PortletPreference;
+
+/**
+ * PortletPreference implementation used by the PortletPreferencesManager
+ * to retrieve the preferences from storage.
+ *
+ * @author <a href="ddewolf@apache.org">David H. DeWolf</a>
+ * @version 1.0
+ * @since Oct 8, 2004
+ */
+public class PortletPreferenceImpl implements PortletPreference {
+
+    private String name;
+    private ArrayList values;
+
+    public PortletPreferenceImpl() {
+        this.values = new ArrayList();
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String[] getValues() {
+        return ((String[])values.toArray(new String[values.size()]));
+    }
+
+    public void setValues(String[] values) {
+        this.values.addAll(Arrays.asList(values));
+    }
+
+    /**
+     * Returns false.  Any PortletPreference retrieved by
+     * the manager can't be read only.
+     * @return
+     */
+    public boolean isReadOnly() {
+        return false;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public void addValue(String value) {
+        this.values.add(value);
+    }
+}
+

Modified: portals/pluto/branches/pluto-1.1/portal/src/java/org/apache/pluto/driver/services/PortletPreferencesProviderImpl.java
==============================================================================
--- portals/pluto/branches/pluto-1.1/portal/src/java/org/apache/pluto/driver/services/PortletPreferencesProviderImpl.java
(original)
+++ portals/pluto/branches/pluto-1.1/portal/src/java/org/apache/pluto/driver/services/PortletPreferencesProviderImpl.java
Sat Oct  9 19:42:34 2004
@@ -15,13 +15,23 @@
  */
 package org.apache.pluto.driver.services;
 
+import java.util.Collection;
+import java.util.ArrayList;
+import java.io.File;
 import java.io.IOException;
+import java.io.FileWriter;
+import java.io.PrintWriter;
 
 import javax.portlet.PortletRequest;
 
 import org.apache.pluto.PortletWindow;
+import org.apache.pluto.PortletContainerException;
 import org.apache.pluto.core.PortletPreference;
 import org.apache.pluto.services.PortletPreferencesFactory;
+import org.apache.commons.digester.Digester;
+import org.apache.commons.logging.LogFactory;
+import org.apache.commons.logging.Log;
+import org.xml.sax.SAXException;
 
 /**
  * The Portal Driver's PortletPreferencesFactory implementation. This
@@ -32,24 +42,108 @@
  */
 public class PortletPreferencesProviderImpl
     implements PortletPreferencesFactory {
+    private static final Log LOG =
+        LogFactory.getLog(PortletPreferencesProviderImpl.class);
+
+    private File storage = new File(System.getProperty("user.home")+File.separator+".pluto");
 
     public PortletPreferencesProviderImpl() {
 
     }
 
     public PortletPreference[] getStoredPreferences(PortletWindow window,
-                                                    PortletRequest req) {
-        return new PortletPreference[0];
+                                                    PortletRequest req)
+    throws PortletContainerException {
+        /* For testing purposes, we'll assume that all
+           null users share prefs.
+        if(req.getRemoteUser() == null) {
+            return new PortletPreference[0];
+        }
+        */
+
+        Digester dig = new Digester();
+        dig.setClassLoader(getClass().getClassLoader());
+        dig.addObjectCreate("portlet-preferences", ArrayList.class);
+        dig.addObjectCreate("portlet-preferences/portlet-preference", PortletPreferenceImpl.class);
+        dig.addBeanPropertySetter("portlet-preferences/portlet-preference/name");
+        dig.addCallMethod("portlet-preferences/portlet-preference/value", "addValue", 0);
+
+        File xmlFile = getFileFor(req, window);
+
+        Collection col = null;
+        try {
+            if(xmlFile.exists()) {
+                col = (Collection)dig.parse(xmlFile);
+            }
+            else {
+                col = new ArrayList();
+            }
+        }
+        catch(IOException io) {
+            throw new PortletContainerException(io);
+        }
+        catch (SAXException e) {
+            throw new PortletContainerException(e);
+        }
+
+        return (PortletPreference[])col.toArray(new PortletPreference[col.size()]);
     }
 
-    public PortletPreference getStoredPreference(PortletWindow window,
-                                                 PortletRequest req,
-                                                 String preferenceName) {
-        return null;
+    public void store(PortletWindow window,
+                      PortletRequest request,
+                      PortletPreference[] preferences)
+        throws PortletContainerException {
+        /* For testing purposes, we'll assume that all
+        null users share prefs.
+        if(req.getRemoteUser() == null) {
+        return;
+        }
+        */
+
+        File file = getFileFor(request, window);
+        try {
+            FileWriter writer = new FileWriter(file);
+            PrintWriter out = new PrintWriter(writer);
+
+            if(LOG.isDebugEnabled()) {
+                LOG.debug("Saving Preferences to file: "+file.getAbsolutePath());
+            }
+            out.println("<portlet-preferences>");
+            for(int i=0;i<preferences.length;i++) {
+                out.println("  <portlet-preference>");
+                out.println("    <name>"+preferences[i].getName()+"</name>");
+                String[] values = preferences[i].getValues();
+                for(int j=0;j<values.length;j++) {
+                    out.println("    <value>"+values[j]+"</value>");
+                }
+                out.println("  </portlet-preference>");
+            }
+            out.println("</portlet-preferences>");
+            out.flush();
+            out.close();
+        }
+        catch(IOException io) {
+            throw new PortletContainerException(io);
+        }
     }
 
-    public void store(PortletPreference[] preferences) throws IOException {
 
+    private File getFileFor(PortletRequest req, PortletWindow window) {
+
+        String userId = req.getRemoteUser();
+
+        StringBuffer windowDirectoryPath = new StringBuffer();
+        String sep = File.separator;
+        windowDirectoryPath.append(req.getServerName()).append(sep);
+        windowDirectoryPath.append(req.getContextPath()).append(sep);
+        windowDirectoryPath.append(window.getId().toString());
+
+        File windowDir = new File(storage, windowDirectoryPath.toString());
+        windowDir.mkdirs();
+
+        return new File(windowDir, userId+".prefs");
     }
+
+
 }
 

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