/************************************************************************************** * Copyright (c) Jonas Bon�r, Alexandre Vasseur. All rights reserved. * * http://aspectwerkz.codehaus.org * * ---------------------------------------------------------------------------------- * * The software in this package is published under the terms of the LGPL license * * a copy of which has been included with this distribution in the license.txt file. * **************************************************************************************/ package org.codehaus.aspectwerkz.joinpoint.impl; import org.codehaus.aspectwerkz.joinpoint.CatchClauseRtti; import org.codehaus.aspectwerkz.joinpoint.Rtti; import java.lang.ref.WeakReference; /** * Implementation for the catch clause RTTI. * * @author <a href="mailto:jboner@codehaus.org">Jonas Bon�r </a> */ public class CatchClauseRttiImpl implements CatchClauseRtti { private final CatchClauseSignatureImpl m_signature; private WeakReference m_thisRef; private WeakReference m_targetRef; private Object m_parameterValue; /** * Creates a new catch clause RTTI. * * @param signature * @param thisInstance * @param targetInstance */ public CatchClauseRttiImpl(final CatchClauseSignatureImpl signature, final Object thisInstance, final Object targetInstance) { m_signature = signature; m_thisRef = new WeakReference(thisInstance); m_targetRef = new WeakReference(targetInstance); } /** * Clones the RTTI instance. * * @param thisInstance * @param targetInstance * @return */ public Rtti cloneFor(final Object thisInstance, final Object targetInstance) { return new CatchClauseRttiImpl(m_signature, thisInstance, targetInstance); } /** * Returns the instance currently executing. * * @return the instance currently executing */ public Object getThis() { return m_thisRef.get(); } /** * Returns the target instance. * * @return the target instance */ public Object getTarget() { return m_targetRef.get(); } /** * Returns the declaring class. * * @return the declaring class */ public Class getDeclaringType() { return m_signature.getDeclaringType(); } /** * Returns the modifiers for the signature. <p/>Could be used like this: * <p/> * <pre> * boolean isPublic = java.lang.reflect.Modifier.isPublic(signature.getModifiers()); * </pre> * * @return the mofifiers */ public int getModifiers() { return m_signature.getModifiers(); } /** * Returns the name (f.e. name of method of field). * * @return */ public String getName() { return m_signature.getName(); } /** * Returns the parameter type. * * @return the parameter type */ public Class getParameterType() { return m_signature.getParameterType(); } /** * Returns the value of the parameter. * * @return the value of the parameter */ public Object getParameterValue() { return getTarget();//m_parameterValue; } /** * Returns a string representation of the signature. * * @return a string representation * @TODO: implement toString to something meaningful */ public String toString() { return super.toString(); } }