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The public API classes of the Apache MyFaces CORE JSF-2.1 project

There is a newer version: 4.1.0-RC3

/*
 * 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 jakarta.faces.view;

import java.util.Collections;
import jakarta.faces.FacesWrapper;

/**
 * @since 2.0
 */
public abstract class ViewDeclarationLanguageFactory implements FacesWrapper
{
    private ViewDeclarationLanguageFactory delegate;
    /**
     * 
     */
    @Deprecated
    public ViewDeclarationLanguageFactory()
    {
    }

    public ViewDeclarationLanguageFactory(ViewDeclarationLanguageFactory delegate)
    {
        this.delegate = delegate;
    }
    
    public abstract ViewDeclarationLanguage getViewDeclarationLanguage(String viewId);

    @Override
    public ViewDeclarationLanguageFactory getWrapped()
    {
        return delegate;
    }
    
    /**
     * @since 2.3
     * @return 
     */
    public java.util.List getAllViewDeclarationLanguages()
    {
        if (getWrapped() == null)
        {
            return Collections.emptyList();
        }
        else
        {
            return getWrapped().getAllViewDeclarationLanguages();
        }
    }
}