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/*******************************************************************************
* Copyright (c) 2001, 2005 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.jem.internal.proxy.remote;
/*
*/
import org.eclipse.jem.internal.proxy.core.*;
import org.eclipse.jem.internal.proxy.common.remote.*;
/**
* Exception Proxy for exception on Remote.
* NOTE: This one is unusual in that it doesn't inherit from
* IDEBeanProxy because it needs to be an exception, and
* exceptions are not an interface.
*/
public class REMThrowableBeanProxy extends ThrowableProxy implements IREMBeanProxy {
/**
* Comment for <code>serialVersionUID</code>
*
* @since 1.1.0
*/
private static final long serialVersionUID = 2076777336810215206L;
private Integer fID;
protected final REMProxyFactoryRegistry fFactory;
private IBeanTypeProxy fTypeProxy;
/**
* Set the bean we are proxying. We are a proxy for a bean running on the remote VM.
*/
protected REMThrowableBeanProxy(REMProxyFactoryRegistry aRegistry, Integer anID, IBeanTypeProxy aType){
fFactory = aRegistry;
fID = anID;
fTypeProxy = aType;
}
/**
* equals: Equal if:
* 1) This proxy == (identity) to the other object
* 2) Else if other is an IBeanProxy and not a constant one, then if
* equals on the server.
* 3) If this is a constant proxy and the other is too or is a constant
* value (e.g. IStringBeanProxy.equals(String), then true if values are equals.
*/
public boolean equals(Object anObject) {
if (super.equals(anObject))
return true; // Identity
if (anObject instanceof IBeanProxy && !(anObject instanceof IREMConstantBeanProxy) && fFactory.isValid() && ((IBeanProxy) anObject).getProxyFactoryRegistry() == fFactory)
try {
// The other is a bean proxy and is not a constant one, let the server do the check.
return ((IBooleanBeanProxy) REMStandardBeanProxyConstants.getConstants(fFactory).getObjectEquals().invoke(this, (IBeanProxy) anObject)).booleanValue();
} catch (ThrowableProxy e) {
}
return false;
}
/* (non-Javadoc)
* @see org.eclipse.jem.internal.proxy.core.IBeanProxy#sameAs(org.eclipse.jem.internal.proxy.core.IBeanProxy)
*/
public boolean sameAs(IBeanProxy aBeanProxy) {
return this == aBeanProxy; // We can be assured in Remote Proxy that identity of proxy and identity of object are the same.
}
/**
* Get ID. An internal method to be used only within the ProxyFactory family.
*/
public Integer getID() {
return fID;
}
/**
* isValid - has this bean been released.
*/
public boolean isValid() {
return fID != null;
}
/**
* release - The bean is being released.
*/
public void release() {
fID = null;
fTypeProxy = null;
}
/**
* Return the registry this proxy was created with.
*/
public ProxyFactoryRegistry getProxyFactoryRegistry() {
return fFactory;
}
/**
* Return the proxied class of the bean
* Creation date: (12/3/99 11:37:01 AM)
* @author: Joe Winchester
*/
public IBeanTypeProxy getTypeProxy() {
return fTypeProxy;
}
/**
* Return the toString of the actual bean on the remote side.
*/
public String toBeanString() {
IStringBeanProxy string = (IStringBeanProxy) REMStandardBeanProxyConstants.getConstants(fFactory).getObjectToString().invokeCatchThrowableExceptions(this);
return (string != null) ? string.stringValue() : null;
}
public String getProxyLocalizedMessage() {
IStringBeanProxy msg = (IStringBeanProxy) REMStandardBeanProxyConstants.getConstants(fFactory).getThrowableLocalizedMessage().invokeCatchThrowableExceptions(this);
return msg != null ? msg.stringValue() : null;
}
public String getProxyMessage() {
IStringBeanProxy msg = (IStringBeanProxy) REMStandardBeanProxyConstants.getConstants(fFactory).getThrowableMessage().invokeCatchThrowableExceptions(this);
return msg != null ? msg.stringValue() : null;
}
/**
* Temporary way to get the string value of the stacktrace.
*/
private String getProxyStackTrace() {
IMethodProxy tempGetStackTrace = fFactory.getMethodProxyFactory().getMethodProxy("org.eclipse.jem.internal.proxy.vm.remote.StackTraceUtility", "printStackTrace", new String[] {"java.lang.Throwable"}); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
IStringBeanProxy trace = (IStringBeanProxy) tempGetStackTrace.invokeCatchThrowableExceptions(null, this);
return trace != null ? trace.stringValue() : ""; //$NON-NLS-1$
}
public void printProxyStackTrace(java.io.PrintWriter writer) {
String trace = getProxyStackTrace();
synchronized(writer) {
writer.print(trace);
}
}
public void printProxyStackTrace(java.io.PrintStream stream) {
String trace = getProxyStackTrace();
synchronized(stream) {
stream.print(trace);
}
}
public void printProxyStackTrace() {
String trace = getProxyStackTrace();
synchronized(System.err) {
System.err.print(trace);
}
}
/**
* Below are the actual printStackTrace. They are set up to first call
* the proxy trace so that it can show where it occurred on the server,
* and then it will do a super to show where it occurred on this side.
*/
public void printStackTrace() {
synchronized (System.err) {
System.err.println(ProxyRemoteMessages.REMOTE_VM_TRACE_INFO_);
printProxyStackTrace();
System.err.println(ProxyRemoteMessages.REMOTE_VM_LOCAL_TRACE_INFO_);
super.printStackTrace();
}
}
public void printStackTrace(java.io.PrintWriter s) {
synchronized (s) {
s.println(ProxyRemoteMessages.REMOTE_VM_TRACE_INFO_);
printProxyStackTrace(s);
s.println(ProxyRemoteMessages.REMOTE_VM_LOCAL_TRACE_INFO_);
super.printStackTrace(s);
}
}
public void printStackTrace(java.io.PrintStream s) {
synchronized (s) {
s.println(ProxyRemoteMessages.REMOTE_VM_TRACE_INFO_);
printProxyStackTrace(s);
s.println(ProxyRemoteMessages.REMOTE_VM_LOCAL_TRACE_INFO_);
super.printStackTrace(s);
}
}
/**
* Render the bean into value object.
*/
public void renderBean(Commands.ValueObject value) {
value.setObjectID(getID().intValue());
}
/* (non-Javadoc)
* @see org.eclipse.jem.internal.proxy.core.IProxy#isBeanProxy()
*/
public final boolean isBeanProxy() {
return true;
}
/* (non-Javadoc)
* @see org.eclipse.jem.internal.proxy.core.IProxy#isExpressionProxy()
*/
public final boolean isExpressionProxy() {
return false;
}
}
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