Package org.apache.geronimo.console.car

Source Code of org.apache.geronimo.console.car.ListHandler

/**
*
* 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 java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletException;
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.util.PortletManager;
import org.apache.geronimo.system.plugin.PluginList;
import org.apache.geronimo.system.plugin.PluginMetadata;
import java.util.Collections;
import java.util.Collection;
import java.util.Iterator;

/**
* Handler for the import export list screen.
*
* @version $Rev: 409817 $ $Date: 2006-05-27 09:56:38 +0200 (Sat, 27 May 2006) $
*/
public class ListHandler extends BaseImportExportHandler {
    private final static Log log = LogFactory.getLog(ListHandler.class);

    public ListHandler() {
        super(LIST_MODE, "/WEB-INF/view/car/list.jsp");
    }

    public String actionBeforeView(ActionRequest request, ActionResponse response, MultiPageModel model) throws PortletException, IOException {
        String repository = (String) request.getAttribute("repository");
        if(repository == null || repository.equals("")) {
            return INDEX_MODE+BEFORE_ACTION;
        }
        response.setRenderParameter("repository", repository);
        String user = (String) request.getAttribute("repo-user");
        String pass = (String) request.getAttribute("repo-pass");
        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 repository = request.getParameter("repository");
        String user = request.getParameter("repo-user");
        String pass = request.getParameter("repo-pass");
        loadFromRepository(request, repository, user, pass);
        request.setAttribute("repository", repository);
        request.setAttribute("repouser", user);
        request.setAttribute("repopass", pass);
    }

    public String actionAfterView(ActionRequest request, ActionResponse response, MultiPageModel model) throws PortletException, IOException {
        return getMode()+BEFORE_ACTION;
    }

    private void loadFromRepository(RenderRequest request, String repository, String username, String password) throws IOException, PortletException {
        PluginList data;
        try {
            data = PortletManager.getCurrentServer(request).getPluginInstaller().listPlugins(new URL(repository), username, password);
        } catch (FailedLoginException e) {
            throw new PortletException("Invalid login for Maven repository '"+repository+"'", e);
        }
        Map results = new HashMap();
        for (int i = 0; i < data.getPlugins().length; i++) {
            PluginMetadata metadata = data.getPlugins()[i];
            List values = (List) results.get(metadata.getCategory());
            if(values == null) {
                values = new ArrayList();
                results.put(metadata.getCategory(), values);
            }
            values.add(metadata);
        }
        Collection values = results.values();
        for (Iterator it = values.iterator(); it.hasNext();) {
            List list = (List) it.next();
            Collections.sort(list);
        }
        request.setAttribute("categories", results);
        request.getPortletSession(true).setAttribute(CONFIG_LIST_SESSION_KEY, data);
    }
}
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