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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: * FloatObjectDescription.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: FloatObjectDescription.java,v 1.3 2005/11/14 11:02:08 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>Float</code> object. 48: * 49: * @author Thomas Morgner 50: */ 51: public class FloatObjectDescription extends AbstractObjectDescription { 52: 53: /** 54: * Creates a new object description. 55: */ 56: public FloatObjectDescription() { 57: super(Float.class); 58: setParameterDefinition("value", String.class); 59: } 60: 61: /** 62: * Creates an object based on this description. 63: * 64: * @return The object. 65: */ 66: public Object createObject() { 67: final String o = (String) getParameter("value"); 68: return Float.valueOf(o); 69: } 70: 71: /** 72: * Sets the parameters of this description object to match the supplied object. 73: * 74: * @param o the object (should be an instance of <code>Float</code>). 75: * 76: * @throws ObjectFactoryException if the object is not an instance of <code>Float</code>. 77: */ 78: public void setParameterFromObject(final Object o) throws ObjectFactoryException { 79: if (!(o instanceof Float)) { 80: throw new ObjectFactoryException("The given object is no java.lang.Float."); 81: } 82: setParameter("value", String.valueOf(o)); 83: } 84: 85: /** 86: * Tests for equality. 87: * 88: * @param o the object to test. 89: * 90: * @return A boolean. 91: */ 92: public boolean equals(final Object o) { 93: if (this == o) { 94: return true; 95: } 96: if (!(o instanceof AbstractObjectDescription)) { 97: return false; 98: } 99: 100: final AbstractObjectDescription abstractObjectDescription = (AbstractObjectDescription) o; 101: 102: if (Float.TYPE.equals(abstractObjectDescription.getObjectClass())) { 103: return true; 104: } 105: if (Float.class.equals(abstractObjectDescription.getObjectClass())) { 106: return true; 107: } 108: return false; 109: } 110: 111: /** 112: * Returns a hash code. 113: * 114: * @return A hash code. 115: */ 116: public int hashCode() { 117: return getObjectClass().hashCode(); 118: } 119: 120: }