Struts example source code file (ServletPortletPreferences.java)

This example Struts source code file (ServletPortletPreferences.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Struts tags/keywords

enumeration, hashmap, io, ioexception, map, map, portletpreferences, preferences_key, readonlyexception, readonlyexception, servletportletpreferences, servletportletpreferences, string, string, util, validatorexception

The Struts ServletPortletPreferences.java source code

/*
 * $Id: ServletPortletPreferences.java 651946 2008-04-27 13:41:38Z apetrelli $
 *
 * 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.struts2.portlet.interceptor;

import java.io.IOException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import java.util.Vector;

import javax.portlet.PortletPreferences;
import javax.portlet.ReadOnlyException;
import javax.portlet.ValidatorException;

/**
 * Simple portlet preferences implementation that uses a map in the Session
 * as storage.
 */
public class ServletPortletPreferences implements PortletPreferences {

    private Map session;
    private String PREFERENCES_KEY = "_portlet-preferences";
    
    public ServletPortletPreferences(Map session) {
        this.session = session;
    }
    
    public Map getMap() {
        Map map = (Map) session.get(PREFERENCES_KEY);
        if (map == null) {
            map = new HashMap();
            session.put(PREFERENCES_KEY, map);
        }
        return map;
    }

    public Enumeration getNames() {
        return new Vector(getMap().keySet()).elements();
    }

    public String getValue(String key, String def) {
        String val = (String) getMap().get(key);
        if (val == null) {
            val = def;
        }
        return val;
    }

    public String[] getValues(String key, String[] def) {
        String[] val = (String[]) getMap().get(key);
        if (val == null) {
            val = def;
        }
        return val;
    }

    public boolean isReadOnly(String arg0) {
        return false;
    }

    public void reset(String arg0) throws ReadOnlyException {
        session.put(PREFERENCES_KEY, new HashMap());
    }

    public void setValue(String key, String value) throws ReadOnlyException {
        getMap().put(key, value);
    }

    public void setValues(String key, String[] value) throws ReadOnlyException {
        getMap().put(key, value);
    }

    public void store() throws IOException, ValidatorException {
        
    }

}