/*******************************************************************************
 * Copyright (c) 2001, 2008 Oracle Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Oracle Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jst.jsf.core.internal.tld;

import org.eclipse.jst.jsf.common.dom.AttributeIdentifier;
import org.eclipse.jst.jsf.common.dom.TagIdentifier;

/**
 * A factory for creating instances of AttributeIdentifier. Some results may be
 * cached or otherwise based on shared instances.
 * 
 * @author cbateman
 * 
 */
public final class AttributeIdentifierFactory
{
    /**
     * @param tagId
     * @param attributeName
     * @return an attribute id based on the tagid and attribute name provided.
     */
    public static AttributeIdentifier createAttributeIdentifier(
            final TagIdentifier tagId, final String attributeName)
    {
        return new SimpleAttributeIdentifier(tagId, attributeName);
    }

    private final static class SimpleAttributeIdentifier extends
            AttributeIdentifier
    {
        private final TagIdentifier _tagId;
        private final String        _attributeName;

        public SimpleAttributeIdentifier(final TagIdentifier tagId,
                String attributeName)
        {
            _tagId = tagId;
            _attributeName = attributeName;
        }

        @Override
        public String getName()
        {
            return _attributeName;
        }

        @Override
        public TagIdentifier getTagIdentifier()
        {
            return _tagId;
        }
    }
}