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/*
* Copyright 2001-2002,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.webapp.admin.defaultcontext;
import java.net.URLEncoder;
import java.util.Iterator;
import java.util.Locale;
import java.io.IOException;
import javax.management.Attribute;
import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.QueryExp;
import javax.management.Query;
import javax.management.ObjectInstance;
import javax.management.ObjectName;
import javax.management.JMException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.util.MessageResources;
import org.apache.webapp.admin.ApplicationServlet;
import org.apache.webapp.admin.TomcatTreeBuilder;
import org.apache.webapp.admin.TreeControl;
import org.apache.webapp.admin.TreeControlNode;
/**
* The <code>Action</code> that completes <em>Add Default Context</em> and
* <em>Edit Default Context</em> transactions.
*
* @author Amy Roh
* @version $Revision$ $Date$
*/
public final class SaveDefaultContextAction extends Action {
// ----------------------------------------------------- Instance Variables
/**
* Signature for the <code>createDefaultContext</code> operation.
*/
private String createDefaultContextTypes[] =
{ "java.lang.String", // parent
};
/**
* Signature for the <code>createStandardLoader</code> operation.
*/
private String createStandardLoaderTypes[] =
{ "java.lang.String", // parent
};
/**
* Signature for the <code>createStandardManager</code> operation.
*/
private String createStandardManagerTypes[] =
{ "java.lang.String", // parent
};
/**
* The MBeanServer we will be interacting with.
*/
private MBeanServer mBServer = null;
// --------------------------------------------------------- Public Methods
/**
* Process the specified HTTP request, and create the corresponding HTTP
* response (or forward to another web component that will create it).
* Return an <code>ActionForward</code> instance describing where and how
* control should be forwarded, or <code>null</code> if the response has
* already been completed.
*
* @param mapping The ActionMapping used to select this instance
* @param actionForm The optional ActionForm bean for this request (if any)
* @param request The HTTP request we are processing
* @param response The HTTP response we are creating
*
* @exception IOException if an input/output error occurs
* @exception ServletException if a servlet exception occurs
*/
public ActionForward perform(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException {
// Acquire the resources that we need
HttpSession session = request.getSession();
Locale locale = getLocale(request);
MessageResources resources = getResources(request);
// Acquire a reference to the MBeanServer containing our MBeans
try {
mBServer = ((ApplicationServlet) getServlet()).getServer();
} catch (Throwable t) {
throw new ServletException
("Cannot acquire MBeanServer reference", t);
}
// Identify the requested action
DefaultContextForm cform = (DefaultContextForm) form;
String adminAction = cform.getAdminAction();
String cObjectName = cform.getObjectName();
String lObjectName = cform.getLoaderObjectName();
String mObjectName = cform.getManagerObjectName();
// Perform a "Create DefaultContext" transaction (if requested)
if ("Create".equals(adminAction)) {
String operation = null;
Object values[] = null;
try {
// get the parent name
String parentName = cform.getParentObjectName();
ObjectName poname = new ObjectName(parentName);
String host = poname.getKeyProperty("host");
String domain = poname.getDomain();
ObjectName oname = null;
// Ensure that the requested default context name is unique
if (host!=null) {
oname = new ObjectName(domain +
TomcatTreeBuilder.DEFAULTCONTEXT_TYPE +
",host=" + host);
} else {
oname = new ObjectName(domain +
TomcatTreeBuilder.DEFAULTCONTEXT_TYPE);
}
if (mBServer.isRegistered(oname)) {
ActionErrors errors = new ActionErrors();
errors.add("contextName",
new ActionError("error.defaultcontextName.exists"));
saveErrors(request, errors);
return (new ActionForward(mapping.getInput()));
}
// Look up our MBeanFactory MBean
ObjectName fname = TomcatTreeBuilder.getMBeanFactory();
// Create a new DefaultContext object
values = new Object[1];
values[0] = parentName;
operation = "createDefaultContext";
cObjectName = (String)
mBServer.invoke(fname, operation,
values, createDefaultContextTypes);
//* Create a new Loader object
values = new String[1];
// parent of loader is the newly created context
values[0] = cObjectName.toString();
operation = "createWebappLoader";
lObjectName = (String)
mBServer.invoke(fname, operation,
values, createStandardLoaderTypes);
// Create a new StandardManager object
values = new String[1];
// parent of manager is the newly created Context
values[0] = cObjectName.toString();
operation = "createStandardManager";
mObjectName = (String)
mBServer.invoke(fname, operation,
values, createStandardManagerTypes);
// Add the new Default Context to our tree control node
addToTreeControlNode(oname, cObjectName,
parentName, resources, session, locale);
} catch (Exception e) {
getServlet().log
(resources.getMessage(locale, "users.error.invoke",
operation), e);
response.sendError
(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
resources.getMessage(locale, "users.error.invoke",
operation));
return (null);
}
}
// Perform attribute updates as requested
String attribute = null;
try {
ObjectName coname = new ObjectName(cObjectName);
ObjectName loname = new ObjectName(lObjectName);
ObjectName moname = new ObjectName(mObjectName);
attribute = "cookies";
String cookies = "false";
try {
cookies = cform.getCookies();
} catch (Throwable t) {
cookies = "false";
}
mBServer.setAttribute(coname,
new Attribute("cookies", new Boolean(cookies)));
attribute = "crossContext";
String crossContext = "false";
try {
crossContext = cform.getCrossContext();
} catch (Throwable t) {
crossContext = "false";
}
mBServer.setAttribute(coname,
new Attribute("crossContext", new Boolean(crossContext)));
attribute = "reloadable";
String reloadable = "false";
try {
reloadable = cform.getReloadable();
} catch (Throwable t) {
reloadable = "false";
}
mBServer.setAttribute(coname,
new Attribute("reloadable", new Boolean(reloadable)));
attribute = "swallowOutput";
String swallowOutput = "false";
try {
swallowOutput = cform.getSwallowOutput();
} catch (Throwable t) {
swallowOutput = "false";
}
mBServer.setAttribute(coname,
new Attribute("swallowOutput", new Boolean(swallowOutput)));
attribute = "useNaming";
String useNaming = "false";
try {
useNaming = cform.getUseNaming();
} catch (Throwable t) {
useNaming = "false";
}
mBServer.setAttribute(coname,
new Attribute("useNaming", new Boolean(useNaming)));
// Loader properties
attribute = "reloadable";
try {
reloadable = cform.getLdrReloadable();
} catch (Throwable t) {
reloadable = "false";
}
mBServer.setAttribute(loname,
new Attribute("reloadable", new Boolean(reloadable)));
attribute = "checkInterval";
int checkInterval = 15;
try {
checkInterval = Integer.parseInt(cform.getLdrCheckInterval());
} catch (Throwable t) {
checkInterval = 15;
}
mBServer.setAttribute(loname,
new Attribute("checkInterval", new Integer(checkInterval)));
// Manager properties
attribute = "entropy";
String entropy = cform.getMgrSessionIDInit();
if ((entropy!=null) && (entropy.length()>=1)) {
mBServer.setAttribute(moname,
new Attribute("entropy",entropy));
}
attribute = "checkInterval";
try {
checkInterval = Integer.parseInt(cform.getMgrCheckInterval());
} catch (Throwable t) {
checkInterval = 60;
}
mBServer.setAttribute(moname,
new Attribute("checkInterval", new Integer(checkInterval)));
attribute = "maxActiveSessions";
int maxActiveSessions = -1;
try {
maxActiveSessions = Integer.parseInt(cform.getMgrMaxSessions());
} catch (Throwable t) {
maxActiveSessions = -1;
}
mBServer.setAttribute(moname,
new Attribute("maxActiveSessions", new Integer(maxActiveSessions)));
} catch (Exception e) {
getServlet().log
(resources.getMessage(locale, "users.error.attribute.set",
attribute), e);
response.sendError
(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
resources.getMessage(locale, "users.error.attribute.set",
attribute));
return (null);
}
// Forward to the success reporting page
session.removeAttribute(mapping.getAttribute());
return (mapping.findForward("Save Successful"));
}
/**
* Append nodes for any define resources for the specified Context.
*
* @param containerNode Container node for the tree control
* @param containerName Object name of the parent container
* @param resources The MessageResources for our localized messages
* messages
*/
public void addToTreeControlNode(ObjectName oname, String containerName,
String parentName, MessageResources resources,
HttpSession session, Locale locale)
throws Exception {
String domain = oname.getDomain();
TreeControl control = (TreeControl) session.getAttribute("treeControlTest");
if (control != null) {
TreeControlNode parentNode = control.findNode(parentName);
if (parentNode != null) {
String nodeLabel = "DefaultContext";
String encodedName = URLEncoder.encode(oname.toString());
TreeControlNode childNode =
new TreeControlNode(oname.toString(),
"DefaultContext.gif",
nodeLabel,
"EditDefaultContext.do?select=" +
encodedName,
"content",
true, domain);
parentNode.addChild(childNode);
// FIXME - force a redisplay
String type = oname.getKeyProperty("type");
if (type == null) {
type = "";
}
String path = oname.getKeyProperty("path");
if (path == null) {
path = "";
}
String host = oname.getKeyProperty("host");
if (host == null) {
host = "";
}
TreeControlNode subtree = new TreeControlNode
("Context Resource Administration " + containerName,
"folder_16_pad.gif",
resources.getMessage(locale, "resources.treeBuilder.subtreeNode"),
null,
"content",
true, domain);
childNode.addChild(subtree);
TreeControlNode datasources = new TreeControlNode
("Context Data Sources " + containerName,
"Datasource.gif",
resources.getMessage(locale,
"resources.treeBuilder.datasources"),
"resources/listDataSources.do?resourcetype=" +
URLEncoder.encode(type) + "&path=" +
URLEncoder.encode(path) + "&host=" +
URLEncoder.encode(host) + "&forward=" +
URLEncoder.encode("DataSources List Setup"),
"content",
false, domain);
TreeControlNode mailsessions = new TreeControlNode
("Context Mail Sessions " + containerName,
"Mailsession.gif",
resources.getMessage(locale,
"resources.treeBuilder.mailsessions"),
"resources/listMailSessions.do?resourcetype=" +
URLEncoder.encode(type) + "&path=" +
URLEncoder.encode(path) + "&host=" +
URLEncoder.encode(host) + "&forward=" +
URLEncoder.encode("MailSessions List Setup"),
"content",
false, domain);
TreeControlNode resourcelinks = new TreeControlNode
("Resource Links " + containerName,
"ResourceLink.gif",
resources.getMessage(locale,
"resources.treeBuilder.resourcelinks"),
"resources/listResourceLinks.do?resourcetype=" +
URLEncoder.encode(type) + "&path=" +
URLEncoder.encode(path) + "&host=" +
URLEncoder.encode(host) + "&forward=" +
URLEncoder.encode("ResourceLinks List Setup"),
"content",
false, domain);
TreeControlNode envs = new TreeControlNode
("Context Environment Entries "+ containerName,
"EnvironmentEntries.gif",
resources.getMessage(locale,
"resources.env.entries"),
URLEncoder.encode(type) + "&path=" +
URLEncoder.encode(path) + "&host=" +
URLEncoder.encode(host) + "&forward=" +
URLEncoder.encode("EnvEntries List Setup"),
"content",
false, domain);
subtree.addChild(datasources);
subtree.addChild(mailsessions);
subtree.addChild(resourcelinks);
subtree.addChild(envs);
} else {
getServlet().log
("Cannot find parent node '" + parentName + "'");
}
}else {
getServlet().log("Cannot find TreeControlNode!");
}
}
}