001: /* ========================================================================
002: * JCommon : a free general purpose class library for the Java(tm) platform
003: * ========================================================================
004: *
005: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006: *
007: * Project Info: http://www.jfree.org/jcommon/index.html
008: *
009: * This library is free software; you can redistribute it and/or modify it
010: * under the terms of the GNU Lesser General Public License as published by
011: * the Free Software Foundation; either version 2.1 of the License, or
012: * (at your option) any later version.
013: *
014: * This library is distributed in the hope that it will be useful, but
015: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017: * License for more details.
018: *
019: * You should have received a copy of the GNU Lesser General Public
020: * License along with this library; if not, write to the Free Software
021: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
022: * USA.
023: *
024: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025: * in the United States and other countries.]
026: *
027: * -----------------------------
028: * BooleanObjectDescription.java
029: * -----------------------------
030: * (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
031: *
032: * Original Author: Thomas Morgner;
033: * Contributor(s): David Gilbert (for Object Refinery Limited);
034: *
035: * $Id: BooleanObjectDescription.java,v 1.3 2005/11/14 10:59:16 mungady Exp $
036: *
037: * Changes (from 19-Feb-2003)
038: * -------------------------
039: * 19-Feb-2003 : Added standard header and Javadocs (DG);
040: * 29-Apr-2003 : Distilled from the JFreeReport project and moved into JCommon
041: *
042: */
043:
044: package org.jfree.xml.factory.objects;
045:
046: /**
047: * An object-description for a <code>Boolean</code> object.
048: *
049: * @author Thomas Morgner
050: */
051: public class BooleanObjectDescription extends AbstractObjectDescription {
052:
053: /**
054: * Creates a new object description.
055: */
056: public BooleanObjectDescription() {
057: super (Boolean.class);
058: setParameterDefinition("value", String.class);
059: }
060:
061: /**
062: * Creates a new <code>Boolean</code> based on the settings of this description object.
063: *
064: * @return A <code>Boolean</code>.
065: */
066: public Object createObject() {
067: final String o = (String) getParameter("value");
068: return Boolean.valueOf(o);
069: }
070:
071: /**
072: * Sets the description object parameters to match the supplied object
073: * (which should be an instance of <code>Boolean</code>.
074: *
075: * @param o the object.
076: * @throws ObjectFactoryException if there is a problem while reading the
077: * properties of the given object.
078: */
079: public void setParameterFromObject(final Object o)
080: throws ObjectFactoryException {
081: if (!(o instanceof Boolean)) {
082: throw new ObjectFactoryException(
083: "The given object is no java.lang.Boolean. ");
084: }
085: setParameter("value", String.valueOf(o));
086: }
087:
088: /**
089: * Tests for equality.
090: *
091: * @param o the object to test.
092: *
093: * @return A boolean.
094: */
095: public boolean equals(final Object o) {
096: if (this == o) {
097: return true;
098: }
099: if (!(o instanceof AbstractObjectDescription)) {
100: return false;
101: }
102:
103: final AbstractObjectDescription abstractObjectDescription = (AbstractObjectDescription) o;
104:
105: if (Boolean.TYPE.equals(abstractObjectDescription
106: .getObjectClass())) {
107: return true;
108: }
109: if (Boolean.class.equals(abstractObjectDescription
110: .getObjectClass())) {
111: return true;
112: }
113: return false;
114: }
115:
116: /**
117: * Returns a hash code.
118: *
119: * @return A hash code.
120: */
121: public int hashCode() {
122: return getObjectClass().hashCode();
123: }
124:
125: }
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