001 /*
002 * $Id: MetaExpandoProperty.java,v 1.2 2005/06/10 09:55:28 cstein Exp $
003 *
004 * Copyright 2004 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
005 *
006 * Redistribution and use of this software and associated documentation
007 * ("Software"), with or without modification, are permitted provided that the
008 * following conditions are met:
009 * 1. Redistributions of source code must retain copyright statements and
010 * notices. Redistributions must also contain a copy of this document.
011 * 2. Redistributions in binary form must reproduce the above copyright
012 * notice, this list of conditions and the following disclaimer in the
013 * documentation and/or other materials provided with the distribution.
014 * 3. The name "groovy" must not be used to endorse or promote products
015 * derived from this Software without prior written permission of The Codehaus.
016 * For written permission, please contact info@codehaus.org.
017 * 4. Products derived from this Software may not be called "groovy" nor may
018 * "groovy" appear in their names without prior written permission of The
019 * Codehaus. "groovy" is a registered trademark of The Codehaus.
020 * 5. Due credit should be given to The Codehaus - http://groovy.codehaus.org/
021 *
022 * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY
023 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
024 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
025 * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR
026 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
027 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
028 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
029 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
030 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
031 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
032 * DAMAGE.
033 *
034 */
035
036 package groovy.lang;
037
038 import java.util.Map.Entry;
039
040 /**
041 * Represents a property in an Expando object
042 *
043 * @author John Stump
044 * @version $Revision: 1.2 $
045 */
046 public class MetaExpandoProperty extends MetaProperty {
047
048 Object value = null;
049
050 public MetaExpandoProperty(Entry entry) {
051 super((String) entry.getKey(), Object.class);
052
053 value = entry.getValue();
054 }
055
056 /**
057 * @return the property of the given object
058 * @throws Exception if the property could not be evaluated
059 */
060 public Object getProperty(Object object) throws Exception {
061 return value;
062 }
063
064 /**
065 * Sets the property on the given object to the new value
066 *
067 * @param object on which to set the property
068 * @param newValue the new value of the property
069 * @throws Exception if the property could not be set
070 */
071 public void setProperty(Object object, Object newValue) {
072 value = newValue;
073 }
074 }