proposal/mutant/src/java/antcore/org/apache/ant/antcore/modelparser/XMLProjectParser.java

/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2002 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Ant", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
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 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */
package org.apache.ant.antcore.modelparser;
import java.net.URL;

import org.apache.ant.common.util.Location;
import org.apache.ant.common.model.Project;
import org.apache.ant.antcore.xml.ParseContext;
import org.apache.ant.antcore.xml.XMLParseException;

/**
 * Parses an Ant project model from an XML source using a SAX Parser.
 *
 * @author <a href="mailto:conor@apache.org">Conor MacNeill</a>
 * @created 9 January 2002
 */
public class XMLProjectParser {
    /**
     * Parse a build file from the given URL.
     *
     * @param buildSource the URL from where the build source may be read.
     * @return a project model representing the project
     * @exception XMLParseException if there is an problem parsing the XML
     *      representation
     */
    public Project parseBuildFile(URL buildSource)
         throws XMLParseException {
        try {
            ParseContext context = new ParseContext();
            ProjectHandler projectHandler = new ProjectHandler();

            context.parse(buildSource, "project", projectHandler);

            return projectHandler.getProject();
        } catch (NoProjectReadException e) {
            throw new XMLParseException("No project defined in build source ",
                e, new Location(buildSource.toString()));
        }
    }
}