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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: * CharacterObjectDescription.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: CharacterObjectDescription.java,v 1.3 2005/11/14 10:59:44 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: /** 47: * An object-description for a <code>Character</code> object. 48: * 49: * @author Thomas Morgner 50: */ 51: public class CharacterObjectDescription extends AbstractObjectDescription { 52: 53: /** 54: * Creates a new object description. 55: */ 56: public CharacterObjectDescription() { 57: super(Character.class); 58: setParameterDefinition("value", String.class); 59: } 60: 61: /** 62: * Creates a new object (<code>Character</code>) based on this description object. 63: * 64: * @return The <code>Character</code> object. 65: */ 66: public Object createObject() { 67: final String o = (String) getParameter("value"); 68: if (o == null) { 69: return null; 70: } 71: if (o.length() > 0) { 72: return new Character(o.charAt(0)); 73: } 74: else { 75: return null; 76: } 77: } 78: 79: /** 80: * Sets the parameters of this description object to match the supplied object. 81: * 82: * @param o the object (should be an instance of <code>Character</code>). 83: * @throws ObjectFactoryException if there is a 84: * problem while reading the properties of the given object. 85: */ 86: public void setParameterFromObject(final Object o) throws ObjectFactoryException { 87: if (!(o instanceof Character)) { 88: throw new ObjectFactoryException("The given object is no java.lang.Character."); 89: } 90: 91: setParameter("value", String.valueOf(o)); 92: } 93: 94: /** 95: * Tests for equality. 96: * 97: * @param o the object to test. 98: * 99: * @return A boolean. 100: */ 101: public boolean equals(final Object o) { 102: if (this == o) { 103: return true; 104: } 105: if (!(o instanceof AbstractObjectDescription)) { 106: return false; 107: } 108: 109: final AbstractObjectDescription abstractObjectDescription = (AbstractObjectDescription) o; 110: 111: if (Character.TYPE.equals(abstractObjectDescription.getObjectClass())) { 112: return true; 113: } 114: if (Character.class.equals(abstractObjectDescription.getObjectClass())) { 115: return true; 116: } 117: return false; 118: } 119: 120: /** 121: * Returns a hash code for the object. 122: * 123: * @return The hash code. 124: */ 125: public int hashCode() { 126: return getObjectClass().hashCode(); 127: } 128: 129: }