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Removing RMI based servlet clients.

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hns 2004-09-15 12:22:37 +00:00
parent ac9e98e7cd
commit 381e235e19
2 changed files with 0 additions and 191 deletions
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108
src/helma/servlet/MultiServletClient.java
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@ -1,108 +0,0 @@
/*
* Helma License Notice
*
* The contents of this file are subject to the Helma License
* Version 2.0 (the "License"). You may not use this file except in
* compliance with the License. A copy of the License is available at
* http://adele.helma.org/download/helma/license.txt
*
* Copyright 1998-2003 Helma Software. All Rights Reserved.
*
* $RCSfile$
* $Author$
* $Revision$
* $Date$
*/
package helma.servlet;
import helma.framework.*;
import java.rmi.Naming;
import java.util.Hashtable;
import javax.servlet.*;
/**
* This is the HOP servlet adapter. This class communicates with any
* Hop application on a given Hop server, extracting the application name
* from the request path.
*/
public class MultiServletClient extends AbstractServletClient {
private Hashtable apps;
/**
*
*
* @param init ...
*
* @throws ServletException ...
*/
public void init(ServletConfig init) throws ServletException {
super.init(init);
apps = new Hashtable();
host = init.getInitParameter("host");
if (host == null) {
host = "localhost";
}
String portstr = init.getInitParameter("port");
port = (portstr == null) ? 5055 : Integer.parseInt(portstr);
hopUrl = "//" + host + ":" + port + "/";
}
/**
*
*/
public void destroy() {
if (apps != null) {
apps.clear();
apps = null;
}
}
ResponseTrans execute(RequestTrans req) throws Exception {
// the app-id is the first element in the request path
// so we have to first get than and than rewrite req.path.
int slash = req.path.indexOf("/");
String appId = null;
if (slash == -1) {
// no slash found, path equals app-id
appId = req.path;
req.path = "";
} else {
// cut path into app id and rewritten path
appId = req.path.substring(0, slash);
req.path = req.path.substring(slash + 1);
}
IRemoteApp app = getApp(appId);
try {
return app.execute(req);
} catch (Exception x) {
invalidateApp(appId);
app = getApp(appId);
return app.execute(req);
}
}
IRemoteApp getApp(String appId) throws Exception {
IRemoteApp app = (IRemoteApp) apps.get(appId);
if (app != null) {
return app;
}
app = (IRemoteApp) Naming.lookup(hopUrl + appId);
apps.put(appId, app);
return app;
}
void invalidateApp(String appId) {
apps.remove(appId);
}
}

83
src/helma/servlet/ServletClient.java
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@ -1,83 +0,0 @@
/*
* Helma License Notice
*
* The contents of this file are subject to the Helma License
* Version 2.0 (the "License"). You may not use this file except in
* compliance with the License. A copy of the License is available at
* http://adele.helma.org/download/helma/license.txt
*
* Copyright 1998-2003 Helma Software. All Rights Reserved.
*
* $RCSfile$
* $Author$
* $Revision$
* $Date$
*/
package helma.servlet;
import helma.framework.*;
import java.rmi.Naming;
import javax.servlet.*;
/**
* This is the standard Helma servlet adapter. This class represents a servlet
* that is dedicated to one Helma application over RMI.
*/
public class ServletClient extends AbstractServletClient {
private IRemoteApp app = null;
private String appName = null;
/**
*
*
* @param init ...
*
* @throws ServletException ...
*/
public void init(ServletConfig init) throws ServletException {
super.init(init);
appName = init.getInitParameter("application");
host = init.getInitParameter("host");
if (host == null) {
host = "localhost";
}
String portstr = init.getInitParameter("port");
port = (portstr == null) ? 5055 : Integer.parseInt(portstr);
hopUrl = "//" + host + ":" + port + "/";
if (appName == null) {
throw new ServletException("Application name not specified for helma.servlet.ServletClient");
}
}
/**
*
*/
public void destroy() {
if (app != null) {
app = null;
}
}
ResponseTrans execute(RequestTrans req) throws Exception {
if (app == null) {
initApp();
}
try {
return app.execute(req);
} catch (Exception x) {
initApp();
return app.execute(req);
}
}
synchronized void initApp() throws Exception {
app = (IRemoteApp) Naming.lookup(hopUrl + appName);
}
}