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Apache CXF Runtime JiBX DataBinding

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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.cxf.jibx;

import org.jibx.runtime.IBindingFactory;
import org.jibx.runtime.impl.BindingFactoryBase;

/**
 * Dummy binding factory for conversion of simple value conversion which do not require a real JiBX binding.
 * This code was take from Axis2 JiBX code generation tool.
 */
public final class JibxNullBindingFactory extends BindingFactoryBase implements IBindingFactory {

    private static final String[] EMPTY_ARRAY = new String[0];
    private static JibxNullBindingFactory instance;

    private JibxNullBindingFactory() {
        super("null", 0, 0, "", "", "", "", EMPTY_ARRAY, EMPTY_ARRAY, "", "", EMPTY_ARRAY, "", "", "", "",
              "", EMPTY_ARRAY);
    }

    public String getCompilerDistribution() {
        // normally only used by BindingDirectory code, so okay to punt
        return "";
    }

    public int getCompilerVersion() {
        // normally only used by BindingDirectory code, so okay to punt
        return 0;
    }

    public int getTypeIndex(String type) {
        return -1;
    }

    public static synchronized JibxNullBindingFactory getFactory() {
        if (instance == null) {
            instance = new JibxNullBindingFactory();
        }
        return instance;
    }
}