/*
 * FindBugs - Find bugs in Java programs
 * Copyright (C) 2005, University of Maryland
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package edu.umd.cs.findbugs;

import java.io.IOException;

import edu.umd.cs.findbugs.xml.XMLAttributeList;
import edu.umd.cs.findbugs.xml.XMLOutput;

/**
 * Utility methods for BugAnnotation classes.
 *
 * @author David Hovemeyer
 */
public abstract class BugAnnotationUtil {
    /**
     * Write a BugAnnotation as XML.
     *
     * @param xmlOutput
     *            the XMLOutput
     * @param elementName
     *            name of element for BugAnnotation
     * @param annotation
     *            the BugAnnotation
     * @param attributeList
     *            the XML attribute list
     * @param addMessages
     *            true if descriptive messages should be added
     * @throws IOException
     */
    public static void writeXML(XMLOutput xmlOutput, String elementName, BugAnnotation annotation,
            XMLAttributeList attributeList, boolean addMessages) throws IOException {

        SourceLineAnnotation src = null;
        if (annotation instanceof BugAnnotationWithSourceLines) {
            src = ((BugAnnotationWithSourceLines) annotation).getSourceLines();
        }

        if (addMessages || src != null) {
            xmlOutput.openTag(elementName, attributeList);
            if (src != null) {
                src.writeXML(xmlOutput, addMessages, false);
            }
            if (addMessages) {
                xmlOutput.openTag(BugAnnotation.MESSAGE_TAG);
                xmlOutput.writeText(annotation.toString());
                xmlOutput.closeTag(BugAnnotation.MESSAGE_TAG);
            }
            xmlOutput.closeTag(elementName);
        } else {
            xmlOutput.openCloseTag(elementName, attributeList);
        }

    }
}
