/* ========================================================================
* JCommon : a free general purpose class library for the Java(tm) platform
* ========================================================================
*
* (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jcommon/index.html
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ----------------------
* BasicStrokeReadHandler
* ----------------------
* (C) Copyright 2003, by Thomas Morgner and Contributors.
*
* Original Author: Thomas Morgner;
* Contributor(s): David Gilbert (for Object Refinery Limited);
*
* $Id: BasicStrokeReadHandler.java,v 1.2 2005/10/18 13:33:32 mungady Exp $
*
* Changes (from 25-Nov-2003)
* --------------------------
* 25-Nov-2003 : Added standard header and Javadocs (DG);
*
*/
package org.jfree.xml.parser.coretypes;
import java.awt.BasicStroke;
import java.util.StringTokenizer;
import org.jfree.xml.parser.AbstractXmlReadHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* A SAX handler for reading a {@link BasicStroke} object from XML.
* <p>
* To do: this should have a multiplexer in front like the PaintReadHandler
*/
public class BasicStrokeReadHandler extends AbstractXmlReadHandler {
/** The stroke under construction. */
private BasicStroke stroke;
/**
* Creates a new handler.
*/
public BasicStrokeReadHandler() {
super();
}
/**
* Called at the start of parsing a {@link BasicStroke} element, this method reads the
* attributes and constructs the stroke.
*
* @param attrs the attributes.
*
* @throws SAXException to indicate a parsing error.
*/
protected void startParsing(final Attributes attrs) throws SAXException {
final int endCap = Integer.parseInt(attrs.getValue("endCap"));
final int lineJoin = Integer.parseInt(attrs.getValue("lineJoin"));
final float lineWidth = Float.parseFloat(attrs.getValue("lineWidth"));
final float miterLimit = Float.parseFloat(attrs.getValue("miterLimit"));
final String dashArrayAttrib = attrs.getValue("dashArray");
if (dashArrayAttrib != null) {
final float[] dashArray = parseDashArray(dashArrayAttrib);
final float dashPhase = Float.parseFloat(attrs.getValue("dashPhase"));
this.stroke = new BasicStroke(
lineWidth, endCap, lineJoin, miterLimit, dashArray, dashPhase
);
}
else {
this.stroke = new BasicStroke(lineWidth, endCap, lineJoin, miterLimit);
}
}
/**
* Parses the dash array.
*
* @param string the dash array string representation.
*
* @return a dash array.
*/
private float[] parseDashArray(final String string) {
final StringTokenizer tokenizer = new StringTokenizer(string, ",");
final float[] retVal = new float[tokenizer.countTokens()];
for (int i = 0; i < retVal.length; i++) {
retVal[i] = Float.parseFloat(tokenizer.nextToken());
}
return retVal;
}
/**
* Returns the stroke under construction.
*
* @return the stroke.
*/
public Object getObject() {
return this.stroke;
}
}