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/* ========================================================================
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* JCommon : a free general purpose class library for the Java(tm) platform
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* ========================================================================
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* (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
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* Project Info: http://www.jfree.org/jcommon/index.html
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
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* in the United States and other countries.]
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* --------------------------
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* RenderingHintsHandler.java
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* --------------------------
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* (C)opyright 2003-2005, by Thomas Morgner and Contributors.
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* Original Author: Thomas Morgner;
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* Contributor(s): David Gilbert (for Object Refinery Limited);
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* $Id: RenderingHintsWriteHandler.java,v 1.5 2005/10/18 13:35:21 mungady Exp $
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* -------------------------
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* 22.11.2003 : Initial version
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package org.jfree.xml.writer.coretypes;
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import java.awt.RenderingHints;
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import java.io.IOException;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import java.util.Iterator;
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import org.jfree.util.Log;
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import org.jfree.xml.writer.AbstractXmlWriteHandler;
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import org.jfree.xml.writer.AttributeList;
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import org.jfree.xml.writer.XMLWriter;
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import org.jfree.xml.writer.XMLWriterException;
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import org.jfree.xml.writer.XMLWriterSupport;
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* A handler for writing a {@link RenderingHints} object.
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public class RenderingHintsWriteHandler extends AbstractXmlWriteHandler {
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* Default constructor.
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public RenderingHintsWriteHandler() {
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* Performs the writing of a single object.
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* @param tagName the tag name.
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* @param object the object.
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* @param writer the writer.
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* @param mPlexAttribute ??.
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* @param mPlexValue ??.
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* @throws IOException if there is an I/O error.
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* @throws XMLWriterException if there is a writer problem.
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public void write(final String tagName, final Object object, final XMLWriter writer,
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final String mPlexAttribute, final String mPlexValue)
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throws IOException, XMLWriterException {
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writer.writeTag(tagName, mPlexAttribute, mPlexValue, XMLWriterSupport.OPEN);
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writer.allowLineBreak();
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final RenderingHints hints = (RenderingHints) object;
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final Iterator it = hints.keySet().iterator();
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while (it.hasNext()) {
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final RenderingHints.Key key = (RenderingHints.Key) it.next();
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final String keyname = hintFieldToString(key);
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final String value = hintFieldToString(hints.get(key));
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final AttributeList attribs = new AttributeList();
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attribs.setAttribute("key", keyname);
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attribs.setAttribute("value", value);
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writer.writeTag("entry", attribs, XMLWriterSupport.CLOSE);
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writer.allowLineBreak();
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writer.writeCloseTag(tagName);
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writer.allowLineBreak();
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private String hintFieldToString(final Object o) {
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final Field[] fields = RenderingHints.class.getFields();
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for (int i = 0; i < fields.length; i++) {
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final Field f = fields[i];
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if (Modifier.isFinal(f.getModifiers())
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&& Modifier.isPublic(f.getModifiers())
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&& Modifier.isStatic(f.getModifiers())) {
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final Object value = f.get(null);
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if (o.equals(value)) {
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catch (Exception e) {
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Log.info ("Unable to write RenderingHint", e);
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throw new IllegalArgumentException("Invalid value given");