org.apache.myfaces.shared_tomahawk.util.el.GenericMap Maven / Gradle / Ivy

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JSF components and utilities that can be used with any JSF implementation. This library is based on the JSF1.1 version of Tomahawk, but with minor source code and build changes to take advantage of JSF2.1 features. A JSF2.1 implementation is required to use this version of the Tomahawk library.

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/*
 * 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.myfaces.shared_tomahawk.util.el;

import java.util.Collection;
import java.util.Map;
import java.util.Set;

/**
 * @author Sylvain Vieujot (latest modification by $Author: lu4242 $)
 * @version $Revision: 1202947 $ $Date: 2011-11-16 19:16:48 -0500 (Wed, 16 Nov 2011) $
 *
 */
public abstract class GenericMap implements Map
{

    /**
     * This method should return the result of the test.
     */
    protected abstract Object getValue(Object key);

    public int size()
    {
        return 1;
    }

    public boolean isEmpty()
    {
        return false;
    }

    public boolean containsKey(Object key)
    {
        return true;
    }

    public boolean containsValue(Object value)
    {
        return value instanceof Boolean;
    }

    public Object get(Object key)
    {
        return getValue(key);
    }

    public Object put(Object key, Object value)
    {
        return null;
    }

    public Object remove(Object key)
    {
        return null;
    }

    public void putAll(Map m)
    {
        // NoOp
    }

    public void clear()
    {
        // NoOp
    }

    public Set keySet()
    {
        return null;
    }

    public Collection values()
    {
        return null;
    }

    public Set entrySet()
    {
        return null;
    }
}