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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: * URLClassFactory.java 29: * -------------------- 30: * (C)opyright 2003, 2004, by Thomas Morgner and Contributors. 31: * 32: * Original Author: Thomas Morgner; 33: * Contributor(s): David Gilbert (for Object Refinery Limited); 34: * 35: * $Id: URLObjectDescription.java,v 1.3 2005/11/14 11:04:43 mungady Exp $ 36: * 37: * Changes (from 19-Feb-2003) 38: * ------------------------- 39: * 19-Feb-2003 : Added standard header and Javadocs (DG); 40: * 29-Apr-2003 : Distilled from the JFreeReport project and moved into JCommon 41: * 42: */ 43: 44: package org.jfree.xml.factory.objects; 45: 46: import java.net.URL; 47: 48: import org.jfree.io.IOUtils; 49: import org.jfree.util.Log; 50: import org.jfree.xml.Parser; 51: 52: /** 53: * An object-description for a <code>URL</code> object. 54: * 55: * @author Thomas Morgner 56: */ 57: public class URLObjectDescription extends AbstractObjectDescription { 58: 59: /** 60: * Creates a new object description. 61: */ 62: public URLObjectDescription() { 63: super(URL.class); 64: setParameterDefinition("value", String.class); 65: } 66: 67: /** 68: * Creates an object based on this description. 69: * 70: * @return The object. 71: */ 72: public Object createObject() { 73: final String o = (String) getParameter("value"); 74: final String baseURL = getConfig().getConfigProperty(Parser.CONTENTBASE_KEY); 75: try { 76: try { 77: final URL bURL = new URL(baseURL); 78: return new URL(bURL, o); 79: } 80: catch (Exception e) { 81: Log.warn("BaseURL is invalid: ", e); 82: } 83: return new URL(o); 84: } 85: catch (Exception e) { 86: return null; 87: } 88: } 89: 90: /** 91: * Sets the parameters of this description object to match the supplied object. 92: * 93: * @param o the object (should be an instance of <code>URL</code>). 94: * 95: * @throws ObjectFactoryException if the object is not an instance of <code>URL</code>. 96: */ 97: public void setParameterFromObject(final Object o) throws ObjectFactoryException { 98: if (!(o instanceof URL)) { 99: throw new ObjectFactoryException("Is no instance of java.net.URL"); 100: } 101: 102: final URL comp = (URL) o; 103: final String baseURL = getConfig().getConfigProperty(Parser.CONTENTBASE_KEY); 104: try { 105: final URL bURL = new URL(baseURL); 106: setParameter("value", IOUtils.getInstance().createRelativeURL(comp, bURL)); 107: } 108: catch (Exception e) { 109: Log.warn("BaseURL is invalid: ", e); 110: } 111: setParameter("value", comp.toExternalForm()); 112: } 113: 114: }