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updated Hessian support for Hessian 3.2 compatibility; general remoting refinements

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This commit is contained in:
Juergen Hoeller
2009-07-21 12:31:03 +00:00
parent 05903d640b
commit d64bc93e36
7 changed files with 150 additions and 83 deletions
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168
org.springframework.web/src/main/java/org/springframework/remoting/caucho/HessianExporter.java
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@@ -16,6 +16,7 @@
package org.springframework.remoting.caucho;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
@@ -44,7 +45,7 @@ import org.springframework.util.CommonsLogWriter;
* <p>Hessian is a slim, binary RPC protocol.
* For information on Hessian, see the
* <a href="http://www.caucho.com/hessian">Hessian website</a>.
* This exporter requires Hessian 3.1.3 or above.
* <b>Note: As of Spring 3.0, this exporter requires Hessian 3.2 or above.</b>
*
* @author Juergen Hoeller
* @since 2.5.1
@@ -114,81 +115,108 @@ public class HessianExporter extends RemoteExporter implements InitializingBean
*/
public void invoke(InputStream inputStream, OutputStream outputStream) throws Throwable {
Assert.notNull(this.skeleton, "Hessian exporter has not been initialized");
doInvoke(this.skeleton, inputStream, outputStream);
}
/**
* Actually invoke the skeleton with the given streams.
* @param skeleton the skeleton to invoke
* @param inputStream the request stream
* @param outputStream the response stream
* @throws Throwable if invocation failed
*/
protected void doInvoke(HessianSkeleton skeleton, InputStream inputStream, OutputStream outputStream)
throws Throwable {
ClassLoader originalClassLoader = overrideThreadContextClassLoader();
try {
doInvoke(inputStream, outputStream);
InputStream isToUse = inputStream;
OutputStream osToUse = outputStream;
if (this.debugLogger != null && this.debugLogger.isDebugEnabled()) {
PrintWriter debugWriter = new PrintWriter(new CommonsLogWriter(this.debugLogger));
HessianDebugInputStream dis = new HessianDebugInputStream(inputStream, debugWriter);
dis.startTop2();
HessianDebugOutputStream dos = new HessianDebugOutputStream(outputStream, debugWriter);
dos.startTop2();
isToUse = dis;
osToUse = dos;
}
if (!isToUse.markSupported()) {
isToUse = new BufferedInputStream(isToUse);
isToUse.mark(1);
}
int code = isToUse.read();
int major;
int minor;
AbstractHessianInput in;
AbstractHessianOutput out;
if (code == 'H') {
// Hessian 2.0 stream
major = isToUse.read();
minor = isToUse.read();
if (major != 0x02) {
throw new IOException("Version " + major + "." + minor + " is not understood");
}
in = new Hessian2Input(isToUse);
out = new Hessian2Output(osToUse);
in.readCall();
}
else if (code == 'C') {
// Hessian 2.0 call... for some reason not handled in HessianServlet!
isToUse.reset();
in = new Hessian2Input(isToUse);
out = new Hessian2Output(osToUse);
in.readCall();
}
else if (code == 'c') {
// Hessian 1.0 call
major = isToUse.read();
minor = isToUse.read();
in = new HessianInput(isToUse);
if (major >= 2) {
out = new Hessian2Output(osToUse);
}
else {
out = new HessianOutput(osToUse);
}
}
else {
throw new IOException("Expected 'H'/'C' (Hessian 2.0) or 'c' (Hessian 1.0) in hessian input at " + code);
}
if (this.serializerFactory != null) {
in.setSerializerFactory(this.serializerFactory);
out.setSerializerFactory(this.serializerFactory);
}
try {
skeleton.invoke(in, out);
}
finally {
try {
in.close();
isToUse.close();
}
catch (IOException ex) {
// ignore
}
try {
out.close();
osToUse.close();
}
catch (IOException ex) {
// ignore
}
}
}
finally {
resetThreadContextClassLoader(originalClassLoader);
}
}
public void doInvoke(final InputStream inputStream, final OutputStream outputStream) throws Throwable {
InputStream isToUse = inputStream;
OutputStream osToUse = outputStream;
if (this.debugLogger != null && this.debugLogger.isDebugEnabled()) {
PrintWriter debugWriter = new PrintWriter(new CommonsLogWriter(this.debugLogger));
isToUse = new HessianDebugInputStream(inputStream, debugWriter);
osToUse = new HessianDebugOutputStream(outputStream, debugWriter);
}
int code = isToUse.read();
int major;
int minor;
AbstractHessianInput in;
AbstractHessianOutput out;
if (code == 'H') {
major = isToUse.read();
minor = isToUse.read();
if (major != 0x02) {
throw new IOException("Version " + major + "." + minor + " is not understood");
}
in = new Hessian2Input(isToUse);
out = new Hessian2Output(osToUse);
in.readCall();
}
else if (code == 'c') {
major = isToUse.read();
minor = isToUse.read();
in = new HessianInput(isToUse);
if (major >= 2) {
out = new Hessian2Output(osToUse);
}
else {
out = new HessianOutput(osToUse);
}
}
else {
throw new IOException("Expected 'H' (Hessian 2.0) or 'c' (Hessian 1.0) in hessian input at " + code);
}
if (this.serializerFactory != null) {
in.setSerializerFactory(this.serializerFactory);
out.setSerializerFactory(this.serializerFactory);
}
try {
this.skeleton.invoke(in, out);
}
finally {
try {
in.close();
isToUse.close();
}
catch (IOException ex) {
// ignore
}
try {
out.close();
osToUse.close();
}
catch (IOException ex) {
// ignore
}
}
}
}

4
org.springframework.web/src/main/java/org/springframework/remoting/caucho/HessianServiceExporter.java
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@@ -35,9 +35,9 @@ import org.springframework.web.util.NestedServletException;
* <p>Hessian is a slim, binary RPC protocol.
* For information on Hessian, see the
* <a href="http://www.caucho.com/hessian">Hessian website</a>.
* This exporter requires Hessian 3.1.3 or above.
* <b>Note: As of Spring 3.0, this exporter requires Hessian 3.2 or above.</b>
*
* <p>Note: Hessian services exported with this class can be accessed by
* <p>Hessian services exported with this class can be accessed by
* any Hessian client, as there isn't any special handling involved.
*
* @author Juergen Hoeller

4
org.springframework.web/src/main/java/org/springframework/remoting/caucho/SimpleBurlapServiceExporter.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2008 the original author or authors.
* Copyright 2002-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -63,7 +63,7 @@ public class SimpleBurlapServiceExporter extends BurlapExporter implements HttpH
}
catch (Throwable ex) {
exchange.sendResponseHeaders(500, -1);
throw new IOException("Burlap skeleton invocation failed", ex);
logger.error("Burlap skeleton invocation failed", ex);
}
exchange.sendResponseHeaders(200, output.size());

7
org.springframework.web/src/main/java/org/springframework/remoting/caucho/SimpleHessianServiceExporter.java
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@@ -33,9 +33,9 @@ import org.springframework.util.FileCopyUtils;
* <p>Hessian is a slim, binary RPC protocol.
* For information on Hessian, see the
* <a href="http://www.caucho.com/hessian">Hessian website</a>.
* This exporter requires Hessian 3.1.3 or above.
* <b>Note: As of Spring 3.0, this exporter requires Hessian 3.2 or above.</b>
*
* <p>Note: Hessian services exported with this class can be accessed by
* <p>Hessian services exported with this class can be accessed by
* any Hessian client, as there isn't any special handling involved.
*
* @author Juergen Hoeller
@@ -63,7 +63,8 @@ public class SimpleHessianServiceExporter extends HessianExporter implements Htt
}
catch (Throwable ex) {
exchange.sendResponseHeaders(500, -1);
throw new IOException("Hessian skeleton invocation failed", ex);
logger.error("Hessian skeleton invocation failed", ex);
return;
}
exchange.getResponseHeaders().set("Content-Type", CONTENT_TYPE_HESSIAN);

5
org.springframework.web/src/main/java/org/springframework/remoting/httpinvoker/SimpleHttpInvokerServiceExporter.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2007 the original author or authors.
* Copyright 2002-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -69,7 +69,8 @@ public class SimpleHttpInvokerServiceExporter extends RemoteInvocationSerializin
exchange.close();
}
catch (ClassNotFoundException ex) {
throw new IOException("Class not found during deserialization", ex);
exchange.sendResponseHeaders(500, -1);
logger.error("Class not found during deserialization", ex);
}
}