BidirectionalTransformerHandler.java

/*******************************************************************************
 * Copyright (c) 2004, 2005
 * Thomas Hallgren, Kenneth Olwing, Mitch Sonies
 * Pontus Rydin, Nils Unden, Peer Torngren
 * The code, documentation and other materials contained herein have been
 * licensed under the Eclipse Public License - v 1.0 by the individual
 * copyright holders listed above, as Initial Contributors under such license.
 * The text of such license is available at www.eclipse.org.
 *******************************************************************************/

package org.eclipse.buckminster.core.rmap.parser;

import java.util.regex.PatternSyntaxException;

import org.eclipse.buckminster.core.parser.ExtensionAwareHandler;
import org.eclipse.buckminster.core.rmap.model.BidirectionalTransformer;
import org.eclipse.buckminster.sax.AbstractHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;

/**
 * @author Thomas Hallgren
 */
public class BidirectionalTransformerHandler extends ExtensionAwareHandler {
	static final String TAG = BidirectionalTransformer.TAG;

	private BidirectionalTransformer transformer;

	public BidirectionalTransformerHandler(AbstractHandler parent) {
		super(parent);
	}

	public BidirectionalTransformer getTransformer() {
		return transformer;
	}

	@Override
	public void handleAttributes(Attributes attrs) throws SAXException {
		try {
			transformer = new BidirectionalTransformer(getPatternValue(attrs, BidirectionalTransformer.ATTR_TO_PATTERN), getStringValue(attrs,
					BidirectionalTransformer.ATTR_TO_REPLACEMENT), getPatternValue(attrs, BidirectionalTransformer.ATTR_FROM_PATTERN),
					getStringValue(attrs, BidirectionalTransformer.ATTR_FROM_REPLACEMENT));
		} catch (PatternSyntaxException e) {
			throw new SAXParseException(e.getMessage(), getDocumentLocator());
		}
	}
}