Java tutorial
/** * Copyright (c) Microsoft Corporation * * All rights reserved. * * MIT License * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files * (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, * publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH * THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ package com.microsoft.azuretools.core.ui; import java.io.File; import java.net.URL; import org.eclipse.jface.preference.PreferencePage; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Link; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; import org.eclipse.ui.PlatformUI; import org.w3c.dom.Document; import com.microsoft.azuretools.adauth.StringUtils; import com.microsoft.azuretools.azurecommons.util.GetHashMac; import com.microsoft.azuretools.azurecommons.util.ParserXMLUtility; import com.microsoft.azuretools.azurecommons.xmlhandling.DataOperations; import com.microsoft.azuretools.core.Activator; import com.microsoft.azuretools.telemetry.AppInsightsClient; import com.microsoft.azuretools.core.utils.FileUtil; import com.microsoft.azuretools.core.utils.Messages; import com.microsoft.azuretools.core.utils.PluginUtil; /** * Class creates azure preference page. */ public class WindowsAzurePreferencePage extends PreferencePage implements IWorkbenchPreferencePage { Button btnPreference; String pluginInstLoc = String.format("%s%s%s", PluginUtil.pluginFolder, File.separator, Messages.commonPluginID); String dataFile = String.format("%s%s%s", pluginInstLoc, File.separator, Messages.dataFileName); @Override public String getTitle() { String prefState = Activator.getPrefState(); if (prefState.isEmpty()) { if (new File(pluginInstLoc).exists() && new File(dataFile).exists()) { String prefValue = DataOperations.getProperty(dataFile, Messages.prefVal); if (prefValue != null && !prefValue.isEmpty()) { if (prefValue.equals("true")) { btnPreference.setSelection(true); } } } } else { // if changes are not saved yet (i.e. just navigated to other preference pages) // then populate temporary value if (prefState.equalsIgnoreCase("true")) { btnPreference.setSelection(true); } else { btnPreference.setSelection(false); } } return super.getTitle(); } @Override public void init(IWorkbench arg0) { } @Override protected Control createContents(Composite parent) { noDefaultAndApplyButton(); Composite container = new Composite(parent, SWT.NONE); GridLayout gridLayout = new GridLayout(); gridLayout.numColumns = 1; GridData gridData = new GridData(); gridData.horizontalAlignment = SWT.FILL; gridData.grabExcessHorizontalSpace = true; container.setLayout(gridLayout); container.setLayoutData(gridData); btnPreference = new Button(container, SWT.CHECK); btnPreference.setText(Messages.preferenceMsg); Link urlLink = new Link(container, SWT.LEFT); urlLink.setText(Messages.preferenceLinkMsg); urlLink.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent event) { try { PlatformUI.getWorkbench().getBrowserSupport().getExternalBrowser().openURL(new URL(event.text)); } catch (Exception ex) { Activator.getDefault().log(Messages.lnkOpenErrMsg, ex); } } }); return container; } @Override public boolean okToLeave() { Activator.setPrefState(String.valueOf(btnPreference.getSelection())); return super.okToLeave(); } @Override public boolean performCancel() { Activator.setPrefState(""); return super.performCancel(); } @Override public boolean performOk() { boolean isSet = true; try { if (new File(pluginInstLoc).exists()) { if (new File(dataFile).exists()) { Document doc = ParserXMLUtility.parseXMLFile(dataFile); String oldPrefVal = DataOperations.getProperty(dataFile, Messages.prefVal); DataOperations.updatePropertyValue(doc, Messages.prefVal, String.valueOf(btnPreference.getSelection())); String version = DataOperations.getProperty(dataFile, Messages.version); if (version == null || version.isEmpty()) { DataOperations.updatePropertyValue(doc, Messages.version, Activator.getDefault().getBundle().getVersion().toString()); } String instID = DataOperations.getProperty(dataFile, Messages.instID); if (instID == null || instID.isEmpty()) { DataOperations.updatePropertyValue(doc, Messages.instID, GetHashMac.GetHashMac()); } else { if (!GetHashMac.IsValidHashMacFormat(instID)) { DataOperations.updatePropertyValue(doc, Messages.instID, GetHashMac.GetHashMac()); } } ParserXMLUtility.saveXMLFile(dataFile, doc); // Its necessary to call application insights custom create // event after saving data.xml final boolean acceptTelemetry = btnPreference.getSelection(); if (StringUtils.isNullOrEmpty(oldPrefVal) || Boolean.valueOf(oldPrefVal) != acceptTelemetry) { // Boolean.valueOf(oldPrefVal) != acceptTelemetry means // user changes his mind. // Either from Agree to Deny, or from Deny to Agree. AppInsightsClient.createByType(AppInsightsClient.EventType.Telemetry, "", acceptTelemetry ? "Agree" : "Deny", null); } } else { FileUtil.copyResourceFile(Messages.dataFileEntry, dataFile); setValues(dataFile); AppInsightsClient.createByType(AppInsightsClient.EventType.Telemetry, "load", btnPreference.getSelection() ? "Agree" : "Deny", null); } } else { new File(pluginInstLoc).mkdir(); FileUtil.copyResourceFile(Messages.dataFileEntry, dataFile); setValues(dataFile); } } catch (Exception ex) { isSet = false; Activator.getDefault().log(ex.getMessage(), ex); } if (isSet) { // forget temporary values once OK button has been pressed. Activator.setPrefState(""); return super.performOk(); } else { PluginUtil.displayErrorDialog(getShell(), Messages.err, Messages.prefSaveErMsg); return false; } } /** * Method updates or creates property elements in data.xml * * @param dataFile * @throws Exception */ private void setValues(String dataFile) throws Exception { Document doc = ParserXMLUtility.parseXMLFile(dataFile); DataOperations.updatePropertyValue(doc, Messages.version, Activator.getDefault().getBundle().getVersion().toString()); DataOperations.updatePropertyValue(doc, Messages.instID, GetHashMac.GetHashMac()); DataOperations.updatePropertyValue(doc, Messages.prefVal, String.valueOf(btnPreference.getSelection())); ParserXMLUtility.saveXMLFile(dataFile, doc); if (btnPreference.getSelection()) { AppInsightsClient.create(Messages.telAgrEvtName, ""); } } }