001 /* 002 $Id: PropertyModel.java 209 2003-10-24 12:47:18Z jstrachan $ 003 004 Copyright 2003 (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 008 that the following conditions are met: 009 010 1. Redistributions of source code must retain copyright 011 statements and notices. Redistributions must also contain a 012 copy of this document. 013 014 2. Redistributions in binary form must reproduce the 015 above copyright notice, this list of conditions and the 016 following disclaimer in the documentation and/or other 017 materials provided with the distribution. 018 019 3. The name "groovy" must not be used to endorse or promote 020 products derived from this Software without prior written 021 permission of The Codehaus. For written permission, 022 please contact info@codehaus.org. 023 024 4. Products derived from this Software may not be called "groovy" 025 nor may "groovy" appear in their names without prior written 026 permission of The Codehaus. "groovy" is a registered 027 trademark of The Codehaus. 028 029 5. Due credit should be given to The Codehaus - 030 http://groovy.codehaus.org/ 031 032 THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS 033 ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT 034 NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 035 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 036 THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 037 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 038 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 039 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 040 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 041 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 042 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 043 OF THE POSSIBILITY OF SUCH DAMAGE. 044 045 */ 046 package groovy.model; 047 048 import org.codehaus.groovy.runtime.InvokerHelper; 049 050 /** 051 * Represents a property of a value as a model. 052 * 053 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> 054 * @version $Revision: 209 $ 055 */ 056 public class PropertyModel implements ValueModel, NestedValueModel { 057 058 private ValueModel sourceModel; 059 private String property; 060 private Class type; 061 062 public PropertyModel(ValueModel sourceModel, String property) { 063 this(sourceModel, property, Object.class); 064 } 065 066 public PropertyModel(ValueModel sourceModel, String property, Class type) { 067 this.sourceModel = sourceModel; 068 this.property = property; 069 this.type = type; 070 } 071 072 public String getProperty() { 073 return property; 074 } 075 076 public ValueModel getSourceModel() { 077 return sourceModel; 078 } 079 080 public Object getValue() { 081 Object source = sourceModel.getValue(); 082 if (source != null) { 083 return InvokerHelper.getProperty(source, property); 084 } 085 return null; 086 } 087 088 public void setValue(Object value) { 089 Object source = sourceModel.getValue(); 090 if (source != null) { 091 InvokerHelper.setProperty(source, property, value); 092 } 093 } 094 095 public Class getType() { 096 return type; 097 } 098 099 public boolean isEditable() { 100 /** @todo implement this! */ 101 return true; 102 } 103 104 }