| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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 com.ibm.icu.text.MessageFormat; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.jdi.TimeoutException; |
| import org.eclipse.jdt.debug.core.IJavaType; |
| import org.eclipse.jdt.debug.core.JDIDebugModel; |
| |
| import com.sun.jdi.ArrayType; |
| import com.sun.jdi.ClassType; |
| import com.sun.jdi.InterfaceType; |
| import com.sun.jdi.Type; |
| |
| /** |
| * A type of an object or primitive data type in a debug target. |
| */ |
| public class JDIType extends JDIDebugElement implements IJavaType { |
| |
| /** |
| * Underlying type on target VM |
| */ |
| private Type fType; |
| |
| /** |
| * Constructs a new type based on the specified underlying |
| * type, in the given debug target |
| * |
| * @param target the debug target this type originated from |
| * @param type underlying type on the target VM |
| */ |
| protected JDIType(JDIDebugTarget target, Type type) { |
| super(target); |
| setUnderlyingType(type); |
| } |
| |
| /** |
| * Throws a new debug exception with the given status code. |
| * |
| * @param message Failure message |
| * @param e Exception that has occurred (<code>can be null</code>) |
| * @param code status code |
| * @throws DebugException a new exception with given status code |
| */ |
| public void requestFailed(String message, Throwable e, int code) throws DebugException { |
| throwDebugException(message, code, e); |
| } |
| |
| /** |
| * Throws a debug exception with the given message, error code, and underlying |
| * exception. |
| */ |
| protected void throwDebugException(String message, int code, Throwable exception) throws DebugException { |
| throw new DebugException(new Status(IStatus.ERROR, JDIDebugModel.getPluginIdentifier(), |
| code, message, exception)); |
| } |
| |
| /** |
| * Throws a new debug exception with a status code of <code>TARGET_REQUEST_FAILED</code> |
| * with the given underlying exception. If the underlying exception is not a JDI |
| * exception, the original exception is thrown. |
| * |
| * @param message Failure message |
| * @param e underlying exception that has occurred |
| * @throws DebugException The exception with a status code of <code>TARGET_REQUEST_FAILED</code> |
| */ |
| public void targetRequestFailed(String message, RuntimeException e) throws DebugException { |
| if (e == null || e.getClass().getName().startsWith("com.sun.jdi") || e instanceof TimeoutException) { //$NON-NLS-1$ |
| requestFailed(message, e, DebugException.TARGET_REQUEST_FAILED); |
| } else { |
| throw e; |
| } |
| } |
| |
| /** |
| * Creates the appropriate kind of type, based on the specialized |
| * type. |
| */ |
| public static JDIType createType(JDIDebugTarget target, Type type) { |
| if (type instanceof ArrayType) { |
| return new JDIArrayType(target, (ArrayType)type); |
| } |
| if (type instanceof ClassType) { |
| return new JDIClassType(target, (ClassType)type); |
| } |
| if (type instanceof InterfaceType) { |
| return new JDIInterfaceType(target, (InterfaceType)type); |
| } |
| return new JDIType(target, type); |
| } |
| |
| /** |
| * @see IJavaType#getSignature() |
| */ |
| public String getSignature() throws DebugException { |
| try { |
| return getUnderlyingType().signature(); |
| } catch (RuntimeException e) { |
| targetRequestFailed(MessageFormat.format(JDIDebugModelMessages.JDIType_exception_while_retrieving_signature, new String[] {e.toString()}), e); |
| // execution will not reach this line as |
| // #targetRequestFailed will throw an exception |
| return null; |
| } |
| } |
| |
| /** |
| * Returns the underlying type on the VM. |
| * |
| * @return the underlying type on the VM |
| */ |
| public Type getUnderlyingType() { |
| return fType; |
| } |
| |
| /** |
| * Sets the underlying type on the VM. |
| * |
| * @param type the underlying type on the VM |
| */ |
| protected void setUnderlyingType(Type type) { |
| fType = type; |
| } |
| |
| /** |
| * @see java.lang.Object#toString() |
| */ |
| public String toString() { |
| return getUnderlyingType().toString(); |
| } |
| |
| /** |
| * @see IJavaType#getName() |
| */ |
| public String getName() throws DebugException { |
| try { |
| return getUnderlyingType().name(); |
| } catch (RuntimeException e) { |
| targetRequestFailed(MessageFormat.format(JDIDebugModelMessages.JDIType_exception_while_retrieving_type_name, new String[]{e.toString()}), e); |
| } |
| // execution will not fall through as an exception |
| // will be thrown by the catch block |
| return null; |
| } |
| |
| /** |
| * @see java.lang.Object#equals(Object) |
| */ |
| public boolean equals(Object object) { |
| return object instanceof JDIType && fType.equals(((JDIType)object).fType); |
| } |
| |
| /** |
| * @see java.lang.Object#hashCode() |
| */ |
| public int hashCode() { |
| return fType.hashCode(); |
| } |
| |
| } |