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

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The private implementation classes of the Apache MyFaces Core JSF-2.0 Implementation

There is a newer version: 4.1.0-RC2

/*
 * 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.util.el;

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

/**
 * @author Sylvain Vieujot (latest modification by $Author: skitching $)
 * @version $Revision: 355303 $ $Date: 2005-12-09 02:36:08 +0100 (Fr, 09 Dez 2005) $
 *
 */
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;
    }
}