fop/src/java/org/apache/fop/render/DummyPercentBaseContext.java

/*
 * 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.
 */

/* $Id$ */

package org.apache.fop.render;

import org.apache.fop.datatypes.PercentBaseContext;
import org.apache.fop.fo.FObj;

/**
 * A dummy implementation of PercentBaseContext
 */
public final class DummyPercentBaseContext implements PercentBaseContext {

    private static DummyPercentBaseContext singleton = new DummyPercentBaseContext();

    private DummyPercentBaseContext() {
    }

    /**
     * Returns an instance of this dummy implementation
     * @return an instance of this dummy implementation
     */
    public static DummyPercentBaseContext getInstance() {
        return singleton;
    }
    
    /** {@inheritDoc} */
    public int getBaseLength(int lengthBase, FObj fo) {
        return 0;
    }
}