Package org.apache.geronimo.console.car

Source Code of org.apache.geronimo.console.car.DownloadCARHandler$Installer

/**
*
* Copyright 2005 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.geronimo.console.car;

import java.io.IOException;
import java.net.URL;
import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletException;
import javax.portlet.PortletSession;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import javax.security.auth.login.FailedLoginException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.geronimo.console.MultiPageModel;
import org.apache.geronimo.console.ajax.ProgressInfo;
import org.apache.geronimo.console.util.PortletManager;
import org.apache.geronimo.kernel.repository.Artifact;
import org.apache.geronimo.system.plugin.PluginList;
import org.apache.geronimo.system.plugin.PluginMetadata;
import org.apache.geronimo.system.plugin.PluginInstaller;
import org.apache.geronimo.system.plugin.DownloadResults;

/**
* Handler for the initial download screen.
*
* @version $Rev: 412604 $ $Date: 2006-06-08 00:56:52 +0200 (Thu, 08 Jun 2006) $
*/
public class DownloadCARHandler extends BaseImportExportHandler {
    private final static Log log = LogFactory.getLog(DownloadCARHandler.class);

    public DownloadCARHandler() {
        super(DOWNLOAD_MODE, "/WEB-INF/view/car/download.jsp");
    }

    public String actionBeforeView(ActionRequest request, ActionResponse response, MultiPageModel model) throws PortletException, IOException {
        String configId = request.getParameter("configId");
        String repo = request.getParameter("repository");
        String user = request.getParameter("repo-user");
        String pass = request.getParameter("repo-pass");
        response.setRenderParameter("configId", configId);
        response.setRenderParameter("repository", repo);
        if(!isEmpty(user)) response.setRenderParameter("repo-user", user);
        if(!isEmpty(pass)) response.setRenderParameter("repo-pass", pass);

        return getMode();
    }

    public void renderView(RenderRequest request, RenderResponse response, MultiPageModel model) throws PortletException, IOException {
        String configId = request.getParameter("configId");
        String repo = request.getParameter("repository");
        String user = request.getParameter("repo-user");
        String pass = request.getParameter("repo-pass");
        PluginMetadata config = null;
        try {
            PluginList list = (PluginList) request.getPortletSession(true).getAttribute(CONFIG_LIST_SESSION_KEY);
            if(list == null) {
                list = PortletManager.getCurrentServer(request).getPluginInstaller().listPlugins(new URL(repo), user, pass);
                request.getPortletSession(true).setAttribute(CONFIG_LIST_SESSION_KEY, list);
            }
            for (int i = 0; i < list.getPlugins().length; i++) {
                PluginMetadata metadata = list.getPlugins()[i];
                if(metadata.getModuleId().toString().equals(configId)) {
                    config = metadata;
                    break;
                }
            }
        } catch (FailedLoginException e) {
            throw new PortletException("Invalid login for Maven repository '"+repo+"'", e);
        }
        if(config == null) {
            throw new PortletException("No configuration found for '"+configId+"'");
        }
        request.setAttribute("configId", configId);
        request.setAttribute("dependencies", config.getDependencies());
        request.setAttribute("repository", repo);
        request.setAttribute("repouser", user);
        request.setAttribute("repopass", pass);
    }

    public String actionAfterView(ActionRequest request, ActionResponse response, MultiPageModel model) throws PortletException, IOException {
        String repo = request.getParameter("repository");
        String user = request.getParameter("repo-user");
        String pass = request.getParameter("repo-pass");
        boolean proceed = Boolean.valueOf(request.getParameter("proceed")).booleanValue();
        if(proceed) {
            String configId = request.getParameter("configId");

            PluginList installList;
            try {
                PluginList list = (PluginList) request.getPortletSession(true).getAttribute(CONFIG_LIST_SESSION_KEY);
                if(list == null) {
                    list = PortletManager.getCurrentServer(request).getPluginInstaller().listPlugins(new URL(repo), user, pass);
                    request.getPortletSession(true).setAttribute(CONFIG_LIST_SESSION_KEY, list);
                }
                installList = PluginList.createInstallList(list, Artifact.create(configId));
            } catch (FailedLoginException e) {
                throw new PortletException("Invalid login for Maven repository '"+repo+"'", e);
            }
            if(installList == null) {
                throw new PortletException("No configuration found for '"+configId+"'");
            }

            PluginInstaller configInstaller = PortletManager.getCurrentServer(request).getPluginInstaller();
            Object downloadKey = configInstaller.startInstall(installList, user, pass);
            ProgressInfo progressInfo = new ProgressInfo();
            request.getPortletSession(true).setAttribute(ProgressInfo.PROGRESS_INFO_KEY, progressInfo, PortletSession.APPLICATION_SCOPE);
            // Kick off the download monitoring
            new Thread(new Installer(configInstaller, downloadKey, progressInfo, request.getPortletSession(true))).start();

            response.setRenderParameter("configId", configId);
            response.setRenderParameter("repository", repo);
            if(!isEmpty(user)) response.setRenderParameter("repo-user", user);
            if(!isEmpty(pass)) response.setRenderParameter("repo-pass", pass);
        }
        return DOWNLOAD_STATUS_MODE+BEFORE_ACTION;
    }

    public static class Installer implements Runnable {
        private PluginInstaller configInstaller;
        private Object downloadKey;
        private ProgressInfo progressInfo;
        private PortletSession session;

        public Installer(PluginInstaller configInstaller, Object downloadKey, ProgressInfo progressInfo, PortletSession session) {
            this.configInstaller = configInstaller;
            this.downloadKey = downloadKey;
            this.progressInfo = progressInfo;
            this.session = session;
        }

        public void run() {
            DownloadResults results;

            while (true) {
                results = configInstaller.checkOnInstall(downloadKey);
                progressInfo.setMainMessage(results.getCurrentMessage());
                progressInfo.setProgressPercent(results.getCurrentFilePercent());
                progressInfo.setFinished(results.isFinished());
                log.debug(progressInfo.getMainMessage());
                if (results.isFinished()) {
                    log.debug("Installation finished");
                    session.setAttribute(DOWNLOAD_RESULTS_SESSION_KEY, results);
                    break;
                } else {
                    try { Thread.sleep(1000); } catch (InterruptedException e) {
                        log.error("Download monitor thread interrupted", e);
                    }
                }
            }
        }
    }
}
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