| /* |
| * $Id$ |
| * |
| * Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved. |
| * |
| * Redistribution and use of this software and associated documentation |
| * ("Software"), with or without modification, are permitted provided that the |
| * following conditions are met: |
| * 1. Redistributions of source code must retain copyright statements and |
| * notices. Redistributions must also contain a copy of this document. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. The name "groovy" must not be used to endorse or promote products |
| * derived from this Software without prior written permission of The Codehaus. |
| * For written permission, please contact info@codehaus.org. |
| * 4. Products derived from this Software may not be called "groovy" nor may |
| * "groovy" appear in their names without prior written permission of The |
| * Codehaus. "groovy" is a registered trademark of The Codehaus. |
| * 5. Due credit should be given to The Codehaus - http://groovy.codehaus.org/ |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY |
| * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
| * DAMAGE. |
| * |
| */ |
| |
| package groovy.lang; |
| |
| import org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation; |
| |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Modifier; |
| import java.security.AccessController; |
| import java.security.PrivilegedActionException; |
| import java.security.PrivilegedExceptionAction; |
| |
| /** |
| * Represents a property on a bean which may have a getter and/or a setter |
| * |
| * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> |
| * @version $Revision$ |
| */ |
| public class MetaFieldProperty extends MetaProperty { |
| |
| private Field field; |
| |
| public MetaFieldProperty(Field field) { |
| super(field.getName(), field.getType()); |
| this.field = field; |
| } |
| |
| /** |
| * @return the property of the given object |
| * @throws Exception if the property could not be evaluated |
| */ |
| public Object getProperty(final Object object) { |
| try { |
| Object value = (Object) AccessController.doPrivileged(new PrivilegedExceptionAction() { |
| public Object run() throws IllegalAccessException { |
| field.setAccessible(true); |
| return field.get(object); |
| } |
| }); |
| return value; |
| } catch (PrivilegedActionException pe) { |
| throw new GroovyRuntimeException("Cannot get the property '" + name + "'.", pe.getException()); |
| } |
| } |
| |
| /** |
| * Sets the property on the given object to the new value |
| * |
| * @param object on which to set the property |
| * @param newValue the new value of the property |
| * @throws RuntimeException if the property could not be set |
| */ |
| public void setProperty(final Object object, Object newValue) { |
| final Object goalValue = DefaultTypeTransformation.castToType(newValue, field.getType()); |
| try { |
| AccessController.doPrivileged(new PrivilegedExceptionAction() { |
| public Object run() throws IllegalAccessException, GroovyRuntimeException { |
| field.setAccessible(true); |
| field.set(object, goalValue); |
| return null; |
| } |
| }); |
| } catch (PrivilegedActionException ex) { |
| throw new GroovyRuntimeException("Cannot set the property '" + name + "'.", ex.getException()); |
| } |
| } |
| |
| private String toName(Class c) { |
| String s = c.toString(); |
| if (s.startsWith("class ") && s.length() > 6) |
| return s.substring(6); |
| else |
| return s; |
| } |
| |
| public int getModifiers() { |
| return field.getModifiers(); |
| } |
| |
| public boolean isStatic() { |
| return Modifier.isStatic(field.getModifiers()); |
| } |
| } |