/*
* Copyright 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.resources;
import java.io.IOException;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Locale;
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 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.management.MBeanAttributeInfo;
import javax.management.MBeanOperationInfo;
import javax.management.MBeanInfo;
import org.apache.struts.util.MessageResources;
import org.apache.webapp.admin.ApplicationServlet;
/**
* <p>Implementation of <strong>Action</strong> that saves a new or
* updated data source entry.</p>
*
* @author Manveen Kaur
* @version $Revision: 1.9 $ $Date: 2004/02/27 14:59:04 $
* @since 4.1
*/
public final class SaveDataSourceAction extends Action {
// ----------------------------------------------------- Instance Variables
/**
* The MessageResources we will be retrieving messages from.
*/
private MessageResources resources = null;
/**
* The MBeanServer we will be interacting with.
*/
private MBeanServer mserver = 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 {
// Look up the components we will be using as needed
if (mserver == null) {
mserver = ((ApplicationServlet) getServlet()).getServer();
}
if (resources == null) {
resources = getServlet().getResources();
}
HttpSession session = request.getSession();
Locale locale = (Locale) session.getAttribute(Action.LOCALE_KEY);
// Has this transaction been cancelled?
if (isCancelled(request)) {
return (mapping.findForward("List DataSources Setup"));
}
// Check the transaction token
if (!isTokenValid(request)) {
response.sendError
(HttpServletResponse.SC_BAD_REQUEST,
resources.getMessage(locale, "users.error.token"));
return (null);
}
// Perform any extra validation that is required
DataSourceForm dataSourceForm = (DataSourceForm) form;
String objectName = dataSourceForm.getObjectName();
// Perform an "Add DataSource" transaction
if (objectName == null) {
String signature[] = new String[2];
signature[0] = "java.lang.String";
signature[1] = "java.lang.String";
Object params[] = new Object[2];
params[0] = dataSourceForm.getJndiName();
params[1] = ResourceUtils.DATASOURCE_CLASS;
String resourcetype = dataSourceForm.getResourcetype();
String path = dataSourceForm.getPath();
String host = dataSourceForm.getHost();
String domain = dataSourceForm.getDomain();
ObjectName oname = null;
try {
if (resourcetype.equals("Global")) {
oname = new ObjectName( domain + ResourceUtils.RESOURCE_TYPE +
ResourceUtils.GLOBAL_TYPE +
",class=" + params[1] +
",name=" + params[0]);
} else if (resourcetype.equals("Context")) {
oname = new ObjectName( domain + ResourceUtils.RESOURCE_TYPE +
ResourceUtils.CONTEXT_TYPE +
",path=" + path + ",host=" + host +
",class=" + params[1] +
",name=" + params[0]);
}
if (mserver.isRegistered(oname)) {
ActionErrors errors = new ActionErrors();
errors.add("jndiName",
new ActionError("resources.invalid.name"));
saveErrors(request, errors);
return (new ActionForward(mapping.getInput()));
}
oname = ResourceUtils.getNamingResourceObjectName(domain,
resourcetype, path, host);
// Create the new object and associated MBean
objectName = (String) mserver.invoke(oname, "addResource",
params, signature);
} catch (Exception e) {
getServlet().log
(resources.getMessage(locale, "users.error.invoke",
"addResource"), e);
response.sendError
(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
resources.getMessage(locale, "users.error.invoke",
"addResource"));
return (null);
}
}
// Perform an "Update User database" transaction
String attribute = null;
try {
ObjectName oname = new ObjectName(objectName);
attribute = "url";
mserver.setAttribute
(oname,
new Attribute(attribute, dataSourceForm.getUrl()));
attribute = "driverClassName";
mserver.setAttribute
(oname,
new Attribute(attribute, dataSourceForm.getDriverClass()));
attribute = "username";
mserver.setAttribute
(oname,
new Attribute(attribute, dataSourceForm.getUsername()));
attribute = "password";
mserver.setAttribute
(oname,
new Attribute(attribute, dataSourceForm.getPassword()));
attribute = "maxActive";
mserver.setAttribute
(oname,
new Attribute(attribute, dataSourceForm.getActive()));
attribute = "maxIdle";
mserver.setAttribute
(oname,
new Attribute(attribute, dataSourceForm.getIdle()));
attribute = "maxWait";
mserver.setAttribute
(oname,
new Attribute(attribute, dataSourceForm.getWait()));
attribute = "validationQuery";
String validationQuery = dataSourceForm.getQuery();
if ((validationQuery != null) && (validationQuery.length()>0)) {
mserver.setAttribute(oname,
new Attribute(attribute, validationQuery));
}
} catch (Exception e) {
getServlet().log
(resources.getMessage(locale, "users.error.set.attribute",
attribute), e);
response.sendError
(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
resources.getMessage(locale, "users.error.set.attribute",
attribute));
return (null);
}
// Proceed to the list entries screen
return (mapping.findForward("DataSources List Setup"));
}
}