Source for org.jfree.xml.writer.coretypes.Point2DWriteHandler

   1: /* ========================================================================
   2:  * JCommon : a free general purpose class library for the Java(tm) platform
   3:  * ========================================================================
   4:  *
   5:  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
   6:  * 
   7:  * Project Info:  http://www.jfree.org/jcommon/index.html
   8:  *
   9:  * This library is free software; you can redistribute it and/or modify it 
  10:  * under the terms of the GNU Lesser General Public License as published by 
  11:  * the Free Software Foundation; either version 2.1 of the License, or 
  12:  * (at your option) any later version.
  13:  *
  14:  * This library is distributed in the hope that it will be useful, but 
  15:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
  16:  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
  17:  * License for more details.
  18:  *
  19:  * You should have received a copy of the GNU Lesser General Public
  20:  * License along with this library; if not, write to the Free Software
  21:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
  22:  * USA.  
  23:  *
  24:  * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
  25:  * in the United States and other countries.]
  26:  * 
  27:  * ------------------------
  28:  * Point2DWriteHandler.java
  29:  * ------------------------
  30:  * (C) Copyright 2003-2005, by Thomas Morgner and Contributors.
  31:  *
  32:  * Original Author:  Thomas Morgner;
  33:  * Contributor(s):   David Gilbert (for Object Refinery Limited);
  34:  *
  35:  * $Id: Point2DWriteHandler.java,v 1.3 2005/10/18 13:35:21 mungady Exp $
  36:  *
  37:  * Changes (from 25-Nov-2003)
  38:  * --------------------------
  39:  * 25-Nov-2003 : Added standard header (DG);
  40:  *
  41:  */
  42: 
  43: package org.jfree.xml.writer.coretypes;
  44: 
  45: import java.awt.geom.Point2D;
  46: import java.io.IOException;
  47: 
  48: import org.jfree.xml.writer.AbstractXmlWriteHandler;
  49: import org.jfree.xml.writer.AttributeList;
  50: import org.jfree.xml.writer.XMLWriter;
  51: import org.jfree.xml.writer.XMLWriterException;
  52: 
  53: /**
  54:  * A handler for writing a {@link Point2D} object.
  55:  */
  56: public class Point2DWriteHandler extends AbstractXmlWriteHandler {
  57:     
  58:     /**
  59:      * Default constructor.
  60:      */
  61:     public Point2DWriteHandler() {
  62:         super();
  63:     }
  64: 
  65:     /**
  66:      * Performs the writing of a {@link Point2D} object.
  67:      *
  68:      * @param tagName  the tag name.
  69:      * @param object  the {@link Point2D} object.
  70:      * @param writer  the writer.
  71:      * @param mPlexAttribute  ??.
  72:      * @param mPlexValue  ??.
  73:      * 
  74:      * @throws IOException if there is an I/O error.
  75:      * @throws XMLWriterException if there is a writer error.
  76:      */
  77:     public void write(final String tagName, final Object object, final XMLWriter writer,
  78:                       final String mPlexAttribute, final String mPlexValue)
  79:         throws IOException, XMLWriterException {
  80:         final Point2D point = (Point2D) object;
  81:         final double x = point.getX();
  82:         final double y = point.getY();
  83:         final AttributeList attribs = new AttributeList();
  84:         if (mPlexAttribute != null) {
  85:             attribs.setAttribute(mPlexAttribute, mPlexValue);
  86:         }
  87:         attribs.setAttribute("x", String.valueOf(x));
  88:         attribs.setAttribute("y", String.valueOf(y));
  89:         writer.writeTag(tagName, attribs, true);
  90:     }
  91: }