/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
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* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
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*
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* and therefore, elected the GPL Version 2 license, then the option applies
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*/
/* CVS information
* $Header: /cvs/glassfish/jmx-remote/rjmx-impl/src/java/com/sun/enterprise/admin/jmx/remote/comm/ServletConnection.java,v 1.8 2007/05/05 05:36:22 tcfujii Exp $
* $Revision: 1.8 $
* $Date: 2007/05/05 05:36:22 $
*/
package com.sun.enterprise.admin.jmx.remote.comm;
//jdk imports
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.IOException;
import java.io.Serializable;
import java.net.URLConnection;
import java.net.HttpURLConnection;
import java.net.URL;
/* BEGIN -- S1WS_MOD */
import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.logging.Logger;
/* END -- S1WS_MOD */
import com.sun.appserv.management.client.RedirectException;
import com.sun.enterprise.admin.jmx.remote.DefaultConfiguration;
/* BEGIN -- S1WS_MOD */
import com.sun.enterprise.admin.jmx.remote.streams.*;
/* END -- S1WS_MOD */
/** A packager private Class (implementing {@link IConnection} communicating
* with Servlet over HTTP. Internally it uses java.net.URLConnection,
* for we may need to use it for both HTTP and HTTPS. In case of
* java.net.HttpURLConnection, only HTTP can be used. The server side (servlet etc)
* has to be configured as documented, for this connection to work.
* @author Kedar Mhaswade
* @since S1AS8.0
* @version 1.0
*/
class ServletConnection implements IConnection, Runnable {
static final String UNKNOWN_HOST = "Unknown host : ";
static final String UNAUTHORIZED_ACCESS =
"Invalid user or password";
private URLConnection mConnection = null;
private ObjectOutputStream mObjectOutStream = null;
private ObjectInputStream mObjectInStream = null;
private HttpConnectorAddress hca;
private URL uri;
boolean isRedirectionEnabled = true; //default: redirection enabled
/* BEGIN -- S1WS_MOD */
private static final Logger logger = Logger.getLogger(
DefaultConfiguration.JMXCONNECTOR_LOGGER);/*,
DefaultConfiguration.LOGGER_RESOURCE_BUNDLE_NAME );*/
private boolean response_received =false;
private int streamSize = 0;
private int reqSize = 0;
/* END -- S1WS_MOD */
ServletConnection(HttpConnectorAddress a) throws IOException {
try{
String uri = a.getPath();
if (uri == null || uri.trim().length() == 0)
uri = DefaultConfiguration.DEFAULT_SERVLET_CONTEXT_ROOT;
mConnection = a.openConnection(uri);
this.hca = a;
String flag = System.getProperty(
DefaultConfiguration.REDIRECTION_DETECTION);
if (flag != null && flag.equalsIgnoreCase("false"))
isRedirectionEnabled = false;
} catch (IOException ioe){
handleException(ioe);
}
}
/**
Read an incoming Object.
*/
public Object receive( )
throws IOException, ClassNotFoundException, RedirectException {
Object value = null;
try {
if (isRedirectionEnabled) {
int respCode = ((HttpURLConnection)mConnection).getResponseCode();
if (respCode == HttpURLConnection.HTTP_MOVED_TEMP) {
String redirectUrl =
mConnection.getHeaderFields().get("Location").get(0);
throw new RedirectException(redirectUrl,
"HTTP connection failed: 302 Moved Temporarily");
}
}
InputStream in = mConnection.getInputStream();
mObjectInStream = new ObjectInputStream(in);
value = mObjectInStream.readObject();
response_received = true;
JMXInbandStream.setOutputStream(null, 0);
StreamMBeanServerResponseMessage res =
(StreamMBeanServerResponseMessage) value;
if (res.isStreamAvailable()) {
JMXInbandStream.setIncomingStream(
new JMXChunkedInputStream(in));
}
} catch (IOException ioe) {
if (ioe instanceof RedirectException) throw ioe;
else handleException(ioe);
}
return value;
}
/**
Write an object to the connection
*/
public void send(Serializable req)
throws IOException {
InputStream in = null;
if (req instanceof StreamMBeanServerRequestMessage) {
StreamMBeanServerRequestMessage reqm =
(StreamMBeanServerRequestMessage) req;
JMXInbandStream.setIncomingStream(null);
in = JMXInbandStream.getOutgoingStream();
if (in != null) {
reqm.setStreamAvailable(true);
int len = (int) JMXInbandStream.getOutgoingStreamLength();
ByteArrayOutputStream byO = new ByteArrayOutputStream();
ObjectOutputStream oO = new ObjectOutputStream(byO);
oO.writeObject(reqm);
reqSize = byO.size();
byO.reset();
int chunks = (len/8192) + 2;
streamSize = reqSize + len + (chunks * 4);
((HttpURLConnection)mConnection).setFixedLengthStreamingMode(streamSize);
mConnection.setRequestProperty("Connection", "Close");
}
}
sendReq(req);
if (in != null)
sendStream();
}
private void sendStream() {
/* Thread thr = new Thread(this);
thr.start();
*/
run();
}
/**
Returns the URL to which Servlet Connection has been established
*/
public URL getURL() {
return mConnection.getURL();
}
/**
Returns the URL to which Servlet Connection has been established
*/
HttpConnectorAddress getHttpConnectorAddress() {
return hca;
}
public void run() {
OutputStream out = null;
try {
out = new JMXChunkedOutputStream(mConnection.getOutputStream());
InputStream in = JMXInbandStream.getOutgoingStream();
byte[] bytes = new byte[8192];
int len = 0;
int prLen = 0;
int flBytes = 0;
while ((len = in.read(bytes)) != -1) {
out.write(bytes, 0, len);
}
JMXInbandStream.setOutputStream(null, 0);
out.flush();
((JMXChunkedOutputStream)out).writeEOF(reqSize);
} catch (Exception ex) {
ex.printStackTrace();
}
}
private void sendReq( Serializable object ) throws IOException {
response_received = false;
try {
mObjectOutStream = new ObjectOutputStream(
new BufferedOutputStream(mConnection.getOutputStream()));
mObjectOutStream.writeObject(object);
mObjectOutStream.flush();
//mObjectOutStream.close();
}
catch (IOException ioe) {
handleException(ioe);
}
}
public void close() {
try {
mObjectInStream.close();
mObjectOutStream.close();
}
catch(Exception e) {
throw new RuntimeException (e);
}
}
private void handleException(IOException e) throws IOException {
IOException exception = null;
if (e instanceof java.net.UnknownHostException) {
exception = new java.net.UnknownHostException(UNKNOWN_HOST +
e.getMessage());
}
else if (e instanceof java.net.ConnectException) {
exception = new java.net.ConnectException(createConnectExceptionMessage());
}
else {
int responseCode =
((HttpURLConnection)mConnection).getResponseCode();
if (responseCode == HttpURLConnection.HTTP_UNAUTHORIZED) {
exception = new IOException(UNAUTHORIZED_ACCESS);
}
else {
exception = e;
}
}
throw exception;
}
private String createConnectExceptionMessage() {
/* this is not internationalized yet -- this is because there is a
separate delivery of this code that cannot depend on other parts
of application server
*/
final String h = hca.getHost();
final int p = hca.getPort();
final String msg = "Unable to connect to admin-server at given host: [" + h + "] and port: [" + p + "].\nPlease check if this server is up and running and that the host and port provided are correct.";
return ( msg );
}
}
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