org.pentaho.mantle.client.commands.AbstractFilePropertiesCommand.java Source code

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Here is the source code for org.pentaho.mantle.client.commands.AbstractFilePropertiesCommand.java

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/*!
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 * or from the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
 */

package org.pentaho.mantle.client.commands;

import com.google.gwt.core.client.GWT;
import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.RequestException;
import com.google.gwt.http.client.Response;
import com.google.gwt.user.client.Command;

import org.pentaho.gwt.widgets.client.filechooser.RepositoryFile;
import org.pentaho.gwt.widgets.client.tabs.PentahoTabPanel;
import org.pentaho.mantle.client.events.EventBusUtil;
import org.pentaho.mantle.client.events.SolutionFileActionEvent;
import org.pentaho.mantle.client.events.SolutionFileHandler;
import org.pentaho.mantle.client.solutionbrowser.SolutionBrowserPanel;
import org.pentaho.mantle.client.solutionbrowser.fileproperties.FilePropertiesDialog;

public abstract class AbstractFilePropertiesCommand implements Command {

    private String moduleBaseURL = GWT.getModuleBaseURL();
    private String moduleName = GWT.getModuleName();
    private String contextURL = moduleBaseURL.substring(0, moduleBaseURL.lastIndexOf(moduleName));
    private static final int MANAGE_ACLS = 3;

    public AbstractFilePropertiesCommand() {
    }

    private RepositoryFile repositoryFile = null;

    public RepositoryFile getRepositoryFile() {
        return repositoryFile;
    }

    public void setRepositoryFile(RepositoryFile repositoryFile) {
        this.repositoryFile = repositoryFile;
    }

    public void execute() {
        final SolutionBrowserPanel sbp = SolutionBrowserPanel.getInstance();
        if (this.getSolutionPath() != null) {
            sbp.getFile(this.getSolutionPath(), new SolutionFileHandler() {
                @Override
                public void handle(RepositoryFile repositoryFile) {
                    setRepositoryFile(repositoryFile);
                    performOperation();
                }
            });
        } else {
            performOperation();
        }
    }

    public void performOperation() {

        final SolutionFileActionEvent event = new SolutionFileActionEvent();
        event.setAction(this.getClass().getName());

        if (getRepositoryFile() != null) {
            final RepositoryFile item = getRepositoryFile();

            // Checking if the user has access to manage permissions
            String url = contextURL + "api/repo/files/" + SolutionBrowserPanel.pathToId(item.getPath())
                    + "/canAccess?permissions=" + MANAGE_ACLS; //$NON-NLS-1$ //$NON-NLS-2$
            RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, url);
            try {
                builder.setHeader("If-Modified-Since", "01 Jan 1970 00:00:00 GMT");
                builder.sendRequest(null, new RequestCallback() {

                    public void onError(Request request, Throwable exception) {
                        FilePropertiesDialog dialog = new FilePropertiesDialog(item, new PentahoTabPanel(), null,
                                getActiveTab(), false);
                        dialog.showTab(getActiveTab());
                        dialog.center();

                        event.setMessage(exception.getMessage());
                        EventBusUtil.EVENT_BUS.fireEvent(event);
                    }

                    public void onResponseReceived(Request request, Response response) {
                        FilePropertiesDialog dialog = new FilePropertiesDialog(item, new PentahoTabPanel(), null,
                                getActiveTab(), Boolean.parseBoolean(response.getText()));
                        dialog.showTab(getActiveTab());
                        dialog.center();

                        event.setMessage("Success");
                        EventBusUtil.EVENT_BUS.fireEvent(event);
                    }
                });
            } catch (RequestException e) {
                FilePropertiesDialog dialog = new FilePropertiesDialog(item, new PentahoTabPanel(), null,
                        getActiveTab(), false);
                dialog.showTab(getActiveTab());
                dialog.center();

                event.setMessage(e.getMessage());
                EventBusUtil.EVENT_BUS.fireEvent(event);
            }
        }
    }

    protected abstract String getSolutionPath();

    protected abstract void setSolutionPath(String solutionPath);

    protected abstract FilePropertiesDialog.Tabs getActiveTab();
}