| /******************************************************************************* |
| * Copyright (c) 2000, 2011 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.debug.core.model; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.jdt.debug.core.IJavaClassType; |
| import org.eclipse.jdt.debug.core.IJavaInterfaceType; |
| import org.eclipse.jdt.debug.core.IJavaObject; |
| import org.eclipse.jdt.debug.core.IJavaThread; |
| import org.eclipse.jdt.debug.core.IJavaValue; |
| |
| import com.ibm.icu.text.MessageFormat; |
| import com.sun.jdi.ClassType; |
| import com.sun.jdi.InterfaceType; |
| import com.sun.jdi.Method; |
| import com.sun.jdi.ObjectReference; |
| import com.sun.jdi.Value; |
| |
| /** |
| * The class of an object in a debug target. |
| */ |
| public class JDIClassType extends JDIReferenceType implements IJavaClassType { |
| |
| /** |
| * Constructs a new class type on the given target referencing the specified |
| * class type. |
| */ |
| public JDIClassType(JDIDebugTarget target, ClassType type) { |
| super(target, type); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.jdt.debug.core.IJavaClassType#newInstance(java.lang.String, |
| * org.eclipse.jdt.debug.core.IJavaValue[], |
| * org.eclipse.jdt.debug.core.IJavaThread) |
| */ |
| public IJavaObject newInstance(String signature, IJavaValue[] args, |
| IJavaThread thread) throws DebugException { |
| if (getUnderlyingType() instanceof ClassType) { |
| ClassType clazz = (ClassType) getUnderlyingType(); |
| JDIThread javaThread = (JDIThread) thread; |
| List<Value> arguments = convertArguments(args); |
| Method method = null; |
| try { |
| List<Method> methods = clazz.methodsByName("<init>", signature); //$NON-NLS-1$ |
| if (methods.isEmpty()) { |
| requestFailed( |
| MessageFormat.format( |
| JDIDebugModelMessages.JDIClassType_Type_does_not_implement_cosntructor, |
| signature), null); |
| } else { |
| method = methods.get(0); |
| } |
| } catch (RuntimeException e) { |
| targetRequestFailed( |
| MessageFormat.format( |
| JDIDebugModelMessages.JDIClassType_exception_while_performing_method_lookup_for_constructor, |
| e.toString(), signature), e); |
| } |
| ObjectReference result = javaThread.newInstance(clazz, method, |
| arguments); |
| return (IJavaObject) JDIValue.createValue(getJavaDebugTarget(), |
| result); |
| } |
| requestFailed( |
| JDIDebugModelMessages.JDIClassType_Type_is_not_a_class_type, |
| null); |
| // execution will not fall through to here, |
| // as #requestFailed will throw an exception |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.jdt.debug.core.IJavaClassType#sendMessage(java.lang.String, |
| * java.lang.String, org.eclipse.jdt.debug.core.IJavaValue[], |
| * org.eclipse.jdt.debug.core.IJavaThread) |
| */ |
| public IJavaValue sendMessage(String selector, String signature, |
| IJavaValue[] args, IJavaThread thread) throws DebugException { |
| if (getUnderlyingType() instanceof ClassType) { |
| ClassType clazz = (ClassType) getUnderlyingType(); |
| JDIThread javaThread = (JDIThread) thread; |
| List<Value> arguments = convertArguments(args); |
| Method method = null; |
| try { |
| List<Method> methods = clazz.methodsByName(selector, signature); |
| if (methods.isEmpty()) { |
| requestFailed( |
| MessageFormat.format( |
| JDIDebugModelMessages.JDIClassType_Type_does_not_implement_selector, |
| selector, signature), null); |
| } else { |
| method = methods.get(0); |
| } |
| } catch (RuntimeException e) { |
| targetRequestFailed( |
| MessageFormat.format( |
| JDIDebugModelMessages.JDIClassType_exception_while_performing_method_lookup_for_selector, |
| e.toString(), selector, signature), e); |
| } |
| Value result = javaThread.invokeMethod(clazz, null, method, |
| arguments, false); |
| return JDIValue.createValue(getJavaDebugTarget(), result); |
| } |
| requestFailed( |
| JDIDebugModelMessages.JDIClassType_Type_is_not_a_class_type, |
| null); |
| // execution will not fall through to here, |
| // as #requestFailed will throw an exception |
| return null; |
| } |
| |
| /** |
| * Utility method to convert argument array to an argument list. |
| * |
| * @param args |
| * array of arguments, as <code>IJavaValue</code>s, possibly |
| * <code>null</code> or empty |
| * @return a list of underlying <code>Value</code>s |
| */ |
| protected List<Value> convertArguments(IJavaValue[] args) { |
| List<Value> arguments = null; |
| if (args == null) { |
| arguments = Collections.EMPTY_LIST; |
| } else { |
| arguments = new ArrayList<Value>(args.length); |
| for (IJavaValue arg : args) { |
| arguments.add(((JDIValue) arg).getUnderlyingValue()); |
| } |
| } |
| return arguments; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jdt.debug.core.IJavaClassType#getSuperclass() |
| */ |
| public IJavaClassType getSuperclass() throws DebugException { |
| try { |
| ClassType superclazz = ((ClassType) getUnderlyingType()) |
| .superclass(); |
| if (superclazz != null) { |
| return (IJavaClassType) JDIType.createType( |
| getJavaDebugTarget(), superclazz); |
| } |
| } catch (RuntimeException e) { |
| targetRequestFailed( |
| MessageFormat.format( |
| JDIDebugModelMessages.JDIClassType_exception_while_retrieving_superclass, |
| e.toString()), e); |
| } |
| // it is possible to return null |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jdt.debug.core.IJavaClassType#getAllInterfaces() |
| */ |
| public IJavaInterfaceType[] getAllInterfaces() throws DebugException { |
| try { |
| List<InterfaceType> interfaceList = ((ClassType) getUnderlyingType()) |
| .allInterfaces(); |
| List<JDIType> javaInterfaceTypeList = new ArrayList<JDIType>(interfaceList.size()); |
| for(InterfaceType interfaceType : interfaceList) { |
| if (interfaceType != null) { |
| javaInterfaceTypeList.add(JDIType.createType( |
| getJavaDebugTarget(), interfaceType)); |
| } |
| } |
| IJavaInterfaceType[] javaInterfaceTypeArray = new IJavaInterfaceType[javaInterfaceTypeList |
| .size()]; |
| javaInterfaceTypeArray = javaInterfaceTypeList |
| .toArray(javaInterfaceTypeArray); |
| return javaInterfaceTypeArray; |
| } catch (RuntimeException re) { |
| targetRequestFailed( |
| MessageFormat.format( |
| JDIDebugModelMessages.JDIClassType_exception_while_retrieving_superclass, |
| re.toString()), re); |
| } |
| return new IJavaInterfaceType[0]; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jdt.debug.core.IJavaClassType#getInterfaces() |
| */ |
| public IJavaInterfaceType[] getInterfaces() throws DebugException { |
| try { |
| List<InterfaceType> interfaceList = ((ClassType) getUnderlyingType()).interfaces(); |
| List<JDIType> javaInterfaceTypeList = new ArrayList<JDIType>(interfaceList.size()); |
| for(InterfaceType interfaceType : interfaceList) { |
| if (interfaceType != null) { |
| javaInterfaceTypeList.add(JDIType.createType( |
| getJavaDebugTarget(), interfaceType)); |
| } |
| } |
| IJavaInterfaceType[] javaInterfaceTypeArray = new IJavaInterfaceType[javaInterfaceTypeList |
| .size()]; |
| javaInterfaceTypeArray = javaInterfaceTypeList |
| .toArray(javaInterfaceTypeArray); |
| return javaInterfaceTypeArray; |
| } catch (RuntimeException re) { |
| targetRequestFailed( |
| MessageFormat.format( |
| JDIDebugModelMessages.JDIClassType_exception_while_retrieving_superclass, |
| re.toString()), re); |
| } |
| return new IJavaInterfaceType[0]; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jdt.debug.core.IJavaClassType#isEnum() |
| */ |
| public boolean isEnum() { |
| return ((ClassType) getReferenceType()).isEnum(); |
| } |
| |
| } |