Java tutorial
/*! * 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.ui.HTML; import com.google.gwt.user.client.ui.VerticalPanel; import org.pentaho.gwt.widgets.client.dialogs.IDialogCallback; import org.pentaho.gwt.widgets.client.dialogs.MessageDialogBox; import org.pentaho.gwt.widgets.client.dialogs.PromptDialogBox; import org.pentaho.gwt.widgets.client.filechooser.FileChooserDialog; import org.pentaho.gwt.widgets.client.filechooser.RepositoryFile; import org.pentaho.mantle.client.events.EventBusUtil; import org.pentaho.mantle.client.events.SolutionFileActionEvent; import org.pentaho.mantle.client.messages.Messages; import java.util.ArrayList; import java.util.List; /** * @author wseyler */ public class DeletePermanentFileCommand extends AbstractCommand { String moduleBaseURL = GWT.getModuleBaseURL(); String moduleName = GWT.getModuleName(); static final String MULTIPLE_DELETE_TYPE = "multi"; String contextURL = moduleBaseURL.substring(0, moduleBaseURL.lastIndexOf(moduleName)); List<RepositoryFile> repositoryFiles; List<String> deletePermFileIds = new ArrayList(); private String fileList = ""; private String type = ""; private String mode = ""; public String getFileList() { return fileList; } public void setFileList(String fileList) { this.fileList = fileList; } public String getType() { return type; } public void setType(String type) { this.type = type; } public String getMode() { return mode; } public void setMode(String mode) { this.mode = mode; } public DeletePermanentFileCommand() { } public DeletePermanentFileCommand(String fileList) { setFileList(fileList); } /* * (non-Javadoc) * * @see com.google.gwt.user.client.Command#execute() */ protected void performOperation(boolean feedback) { final SolutionFileActionEvent event = new SolutionFileActionEvent(); event.setAction(this.getClass().getName()); VerticalPanel vp = new VerticalPanel(); String deleteMessage; final PromptDialogBox deleteConfirmDialog; if (mode.equals("purge")) { deleteMessage = Messages.getString("deleteAllQuestion"); deleteConfirmDialog = new PromptDialogBox(Messages.getString("emptyTrash"), //$NON-NLS-1$ Messages.getString("yesEmptyTrash"), Messages.getString("no"), false, true, vp); //$NON-NLS-1$ //$NON-NLS-2$ } else { if (MULTIPLE_DELETE_TYPE.equals(type)) { deleteMessage = Messages.getString("deleteMultiQuestion"); } else { deleteMessage = Messages.getString("deleteQuestion", type); } deleteConfirmDialog = new PromptDialogBox(Messages.getString("permDelete"), //$NON-NLS-1$ Messages.getString("yesPermDelete"), Messages.getString("no"), false, true, vp); //$NON-NLS-1$ //$NON-NLS-2$ } vp.add(new HTML(deleteMessage)); //$NON-NLS-1$ final IDialogCallback callback = new IDialogCallback() { public void cancelPressed() { deleteConfirmDialog.hide(); } public void okPressed() { String temp = ""; // Add js file list temp = temp + fileList; // remove trailing "," temp = temp.substring(0, temp.length() - 1); final String filesList = temp; String deleteFilesURL = contextURL + "api/repo/files/deletepermanent"; //$NON-NLS-1$ RequestBuilder deleteFilesRequestBuilder = new RequestBuilder(RequestBuilder.PUT, deleteFilesURL); deleteFilesRequestBuilder.setHeader("Content-Type", "text/plain"); //$NON-NLS-1$//$NON-NLS-2$ deleteFilesRequestBuilder.setHeader("If-Modified-Since", "01 Jan 1970 00:00:00 GMT"); try { deleteFilesRequestBuilder.sendRequest(filesList, new RequestCallback() { @Override public void onError(Request request, Throwable exception) { MessageDialogBox dialogBox = new MessageDialogBox(Messages.getString("error"), //$NON-NLS-1$ Messages.getString("couldNotDeleteFile"), //$NON-NLS-1$ false, false, true); dialogBox.center(); event.setMessage(Messages.getString("couldNotDeleteFile")); EventBusUtil.EVENT_BUS.fireEvent(event); } @Override public void onResponseReceived(Request request, Response response) { if (response.getStatusCode() == 200) { new RefreshRepositoryCommand().execute(false); event.setMessage("Success"); FileChooserDialog.setIsDirty(Boolean.TRUE); setBrowseRepoDirty(Boolean.TRUE); EventBusUtil.EVENT_BUS.fireEvent(event); } else { event.setMessage(Messages.getString("couldNotDeleteFile")); EventBusUtil.EVENT_BUS.fireEvent(event); } } }); } catch (RequestException e) { MessageDialogBox dialogBox = new MessageDialogBox(Messages.getString("error"), //$NON-NLS-1$ Messages.getString("couldNotDeleteFile"), //$NON-NLS-1$ false, false, true); dialogBox.center(); event.setMessage(Messages.getString("couldNotDeleteFile")); EventBusUtil.EVENT_BUS.fireEvent(event); } } }; if (!feedback) { callback.okPressed(); } else { deleteConfirmDialog.setCallback(callback); deleteConfirmDialog.center(); } } /* * (non-Javadoc) * * @see org.pentaho.mantle.client.commands.AbstractCommand#performOperation() */ @Override protected void performOperation() { performOperation(true); } private static native void setBrowseRepoDirty(boolean isDirty) /*-{ $wnd.mantle_isBrowseRepoDirty = isDirty; }-*/; }