diff options
Diffstat (limited to 'plugins/org.eclipse.net4j/src/org/eclipse/net4j/signal/RemoteExceptionIndication.java')
-rw-r--r-- | plugins/org.eclipse.net4j/src/org/eclipse/net4j/signal/RemoteExceptionIndication.java | 162 |
1 files changed, 83 insertions, 79 deletions
diff --git a/plugins/org.eclipse.net4j/src/org/eclipse/net4j/signal/RemoteExceptionIndication.java b/plugins/org.eclipse.net4j/src/org/eclipse/net4j/signal/RemoteExceptionIndication.java index bd9411fd9a..6eee8c0ee2 100644 --- a/plugins/org.eclipse.net4j/src/org/eclipse/net4j/signal/RemoteExceptionIndication.java +++ b/plugins/org.eclipse.net4j/src/org/eclipse/net4j/signal/RemoteExceptionIndication.java @@ -1,79 +1,83 @@ -/*
- * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) 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:
- * Eike Stepper - initial API and implementation
- */
-package org.eclipse.net4j.signal;
-
-import org.eclipse.net4j.util.io.ExtendedDataInputStream;
-import org.eclipse.net4j.util.io.ExtendedIOUtil;
-import org.eclipse.net4j.util.om.trace.ContextTracer;
-
-import org.eclipse.internal.net4j.bundle.OM;
-
-import java.io.ByteArrayInputStream;
-import java.io.DataInputStream;
-import java.io.IOException;
-
-/**
- * @author Eike Stepper
- */
-class RemoteExceptionIndication extends Indication
-{
- private static final ContextTracer TRACER = new ContextTracer(OM.DEBUG_SIGNAL, RemoteExceptionIndication.class);
-
- private Throwable t;
-
- public RemoteExceptionIndication(SignalProtocol<?> protocol)
- {
- super(protocol, SignalProtocol.SIGNAL_REMOTE_EXCEPTION);
- }
-
- @Override
- protected void indicating(ExtendedDataInputStream in) throws Exception
- {
- int correlationID = in.readInt();
- boolean responding = in.readBoolean();
- String message = in.readString();
- if (TRACER.isEnabled())
- {
- String msg = RemoteExceptionRequest.getFirstLine(message);
- TRACER.format("Reading remote exception for signal {0}: {1}", correlationID, msg); //$NON-NLS-1$
- }
-
- try
- {
- t = deserializeThrowable(in.readByteArray());
- }
- catch (Throwable couldNotLoadExceptionClass)
- {
- // Fall through
- }
-
- if (t == null)
- {
- t = new RemoteException(message, responding);
- }
-
- getProtocol().handleRemoteException(correlationID, t, responding);
- }
-
- public static Throwable deserializeThrowable(byte[] bytes)
- {
- try
- {
- ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
- DataInputStream dis = new DataInputStream(bais);
- return (Throwable)ExtendedIOUtil.readObject(dis, OM.class.getClassLoader());
- }
- catch (IOException ex)
- {
- return null;
- }
- }
-}
+/* + * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) 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: + * Eike Stepper - initial API and implementation + */ +package org.eclipse.net4j.signal; + +import org.eclipse.net4j.util.io.ExtendedDataInputStream; +import org.eclipse.net4j.util.io.ExtendedIOUtil; +import org.eclipse.net4j.util.om.trace.ContextTracer; + +import org.eclipse.internal.net4j.bundle.OM; + +import java.io.ByteArrayInputStream; +import java.io.DataInputStream; +import java.io.IOException; + +/** + * @author Eike Stepper + */ +class RemoteExceptionIndication extends Indication +{ + private static final ContextTracer TRACER = new ContextTracer(OM.DEBUG_SIGNAL, RemoteExceptionIndication.class); + + private Throwable t; + + public RemoteExceptionIndication(SignalProtocol<?> protocol) + { + super(protocol, SignalProtocol.SIGNAL_REMOTE_EXCEPTION); + } + + @Override + protected void indicating(ExtendedDataInputStream in) throws Exception + { + int correlationID = in.readInt(); + boolean responding = in.readBoolean(); + String message = in.readString(); + if (TRACER.isEnabled()) + { + String msg = RemoteExceptionRequest.getFirstLine(message); + TRACER.format("Reading remote exception for signal {0}: {1}", correlationID, msg); //$NON-NLS-1$ + } + + try + { + t = deserializeThrowable(in.readByteArray()); + } + catch (Throwable couldNotLoadExceptionClass) + { + // Fall through + } + + if (t == null) + { + t = new RemoteException(message, responding); + } + + SignalProtocol<?> protocol = getProtocol(); + if (protocol != null) + { + protocol.handleRemoteException(correlationID, t, responding); + } + } + + public static Throwable deserializeThrowable(byte[] bytes) + { + try + { + ByteArrayInputStream bais = new ByteArrayInputStream(bytes); + DataInputStream dis = new DataInputStream(bais); + return (Throwable)ExtendedIOUtil.readObject(dis, OM.class.getClassLoader()); + } + catch (IOException ex) + { + return null; + } + } +} |