ApplyWebAppCatalinaAction.java

package org.objectweb.jonas.webapp.jonasadmin.service.container;

import java.io.IOException;

import javax.management.ObjectName;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.objectweb.jonas.jmx.CatalinaObjectName;
import org.objectweb.jonas.jmx.JonasManagementRepr;
import org.objectweb.jonas.jmx.JonasObjectName;
import org.objectweb.jonas.webapp.jonasadmin.JonasAdminException;
import org.objectweb.jonas.webapp.jonasadmin.WhereAreYou;

public class ApplyWebAppCatalinaAction extends BaseWebAppAction {

    private String sa_CreateJOnASStandardContext[] = {
        "java.lang.String", "java.lang.String", "java.lang.String"
    };

    private static String sDefaultForward = "ActionEditWebAppCatalina";

// --------------------------------------------------------- Protected Variables

// --------------------------------------------------------- Public Methods

    public ActionForward executeAction(ActionMapping p_Mapping, ActionForm p_Form
        , HttpServletRequest p_Request, HttpServletResponse p_Response)
        throws IOException, ServletException {

        // Default forward
        ActionForward oForward = null;

        // Identify the requested action
        WebAppCatalinaForm oForm = (WebAppCatalinaForm) p_Form;

        // Populate
        try {
            // Perform a "Create WebApp" transaction (if requested)
            if ("create".equals(oForm.getAction()) == true) {
                oForward = createWebApplication(oForm, p_Mapping, p_Request);
            }
            // Save in memory the new datas
            else if ("edit".equals(oForm.getAction()) == true) {
                oForward = populateMbean(oForm, p_Mapping.findForward(sDefaultForward), p_Mapping
                    , p_Request);
            }
            // Reload the web app
            else if ("reload".equals(oForm.getAction()) == true) {
                oForward = reloadWebApplication(oForm, p_Mapping);
            }
            // Stop the web app
            else if ("stop".equals(oForm.getAction()) == true) {
                oForward = stopWebApplication(oForm, p_Mapping);
            }
            // Start the web app
            else if ("start".equals(oForm.getAction()) == true) {
                oForward = startWebApplication(oForm, p_Mapping);
            }
        }
        catch (JonasAdminException e) {
            // Build error
            m_Errors.add("webapp", new ActionError(e.getId()));
            saveErrors(p_Request, m_Errors);
            // Return to the current page
            oForward = new ActionForward(p_Mapping.getInput());
        }
        catch (Throwable t) {
            addGlobalError(t);
            saveErrors(p_Request, m_Errors);
            oForward = p_Mapping.findForward("Global Error");
        }

        // Next Forward
        return oForward;
    }

    protected ActionForward createWebApplication(WebAppCatalinaForm p_Form, ActionMapping p_Mapping
        , HttpServletRequest p_Request)
        throws Exception {
        Object values[] = null;

        // Ensure that the requested context is unique
        ObjectName onContext = findWebAppMbean(p_Form.getPathContext());
        if (onContext != null) {
            throw new JonasAdminException("error.webapp.context.exists");
        }

        // Look up the JOnAS Web service
        ObjectName onWebService = JonasObjectName.webContainerService();
        // Create a new JOnASStandardContext object
        values = new Object[3];
        // parent
        values[0] = CatalinaObjectName.catalinaHost(m_WhereAreYou.getCurrentCatalinaServiceName()
            , m_WhereAreYou.getCurrentCatalinaDefaultHostName()).toString();
        values[1] = p_Form.getPathContext();
        values[2] = "";
        p_Form.setObjectName((String) JonasManagementRepr.invoke(onWebService
            , "createJOnASStandardContext", values, sa_CreateJOnASStandardContext));

        // Populate
        ActionForward oForward = populateMbean(p_Form
            , p_Mapping.findForward("ActionListWebContainers"), p_Mapping, p_Request);

        // Stop the WebApp (Tomcat start it at creating)
        try {
            stopWebApplication(p_Form, p_Mapping);
        }
        catch (Exception e) {
            // none
        }

        // refresh tree
        refreshTree(p_Request);
        // Force the node selected in tree
        m_WhereAreYou.selectNameNode(getTreeBranchName(DEPTH_SERVER) + WhereAreYou.NODE_SEPARATOR
            + "services" + WhereAreYou.NODE_SEPARATOR + "web" + WhereAreYou.NODE_SEPARATOR
            + p_Form.getName(), true);

        return oForward;
    }

    protected ActionForward populateMbean(WebAppCatalinaForm p_Form, ActionForward p_Forward
        , ActionMapping p_Mapping, HttpServletRequest p_Request)
        throws Exception {
        ActionForward oForward = p_Forward;
        // Context
        ObjectName on = ObjectName.getInstance(p_Form.getObjectName());
        //setBooleanAttribute(on, "available", p_Form.isAvailable());
        setBooleanAttribute(on, "cookies", p_Form.isCookies());
        setBooleanAttribute(on, "crossContext", p_Form.isCrossContext());
        setBooleanAttribute(on, "reloadable", p_Form.isReloadable());
        setBooleanAttribute(on, "swallowOutput", p_Form.isSwallowOutput());
        setBooleanAttribute(on, "override", p_Form.isOverride());
        // Save in configuration file
        if (p_Form.isSave() == true) {
            //ObjectName onServer = CatalinaObjectName.catalinaServer();
            //JonasManagementRepr.invoke(onServer, "store", null, null);
            p_Form.setSave(false);
            p_Request.setAttribute("forward", p_Forward.getName());
            oForward = p_Mapping.findForward("ActionEditServletServer");
        }
        return oForward;
    }

    protected ActionForward reloadWebApplication(WebAppCatalinaForm p_Form, ActionMapping p_Mapping)
        throws Exception {
        // Reload
        try {
            String sWebModuleObjectName = p_Form.getObjectName();
            ObjectName proxyObjectName = JonasObjectName.webModuleProxy(m_WhereAreYou.getCurrentCatalinaDomainName());
            Object[] params = { sWebModuleObjectName };
            String[] signs = { "java.lang.String" };
            JonasManagementRepr.invoke(proxyObjectName, "reload", params, signs);
            /*
            ObjectName onContext = new ObjectName(p_Form.getObjectName());
            JonasManagementRepr.invoke(onContext, "reload", null, null);
            */
        }
        catch (Throwable t) {
            throw new JonasAdminException("error.webapp.reload");
        }
        // Forward
        ActionForward oForward = null;
        if (p_Form.getName().equals(m_WhereAreYou.getApplicationContextPath()) == true) {
            oForward = p_Mapping.findForward("Main Index");
        }
        else {
            oForward = p_Mapping.findForward(sDefaultForward);
        }
        return oForward;
    }

    protected ActionForward startWebApplication(WebAppCatalinaForm p_Form, ActionMapping p_Mapping)
        throws Exception {
        try {
            String sWebModuleObjectName = p_Form.getObjectName();
            ObjectName proxyObjectName = JonasObjectName.webModuleProxy(m_WhereAreYou.getCurrentCatalinaDomainName());
            Object[] params = { sWebModuleObjectName };
            String[] signs = { "java.lang.String" };
            JonasManagementRepr.invoke(proxyObjectName, "start", params, signs);
            /*
            ObjectName onContext = new ObjectName(p_Form.getObjectName());
            JonasManagementRepr.invoke(onContext, "start", null, null);
            */
        }
        catch (Throwable t) {
            throw new JonasAdminException("error.webapp.start");
        }
        return p_Mapping.findForward(sDefaultForward);
    }

    protected ActionForward stopWebApplication(WebAppCatalinaForm p_Form, ActionMapping p_Mapping)
        throws Exception {
        try {
            String sWebModuleObjectName = p_Form.getObjectName();
            ObjectName proxyObjectName = JonasObjectName.webModuleProxy(m_WhereAreYou.getCurrentCatalinaDomainName());
            Object[] params = { sWebModuleObjectName };
            String[] signs = { "java.lang.String" };
            JonasManagementRepr.invoke(proxyObjectName, "stop", params, signs);
            /*
            ObjectName onContext = new ObjectName(p_Form.getObjectName());
            JonasManagementRepr.invoke(onContext, "stop", null, null);
            */
        }
        catch (Throwable t) {
            throw new JonasAdminException("error.webapp.stop");
        }
        return p_Mapping.findForward(sDefaultForward);
    }
}

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