Java tutorial
/* * Copyright (C) 2012 The Android Open Source Project * * 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.eclipse.andmore.android.wizards.installapp; import java.io.IOException; import java.util.ArrayList; import java.util.Enumeration; import java.util.List; import java.util.jar.JarEntry; import java.util.jar.JarFile; import org.eclipse.andmore.android.AndroidPlugin; import org.eclipse.andmore.android.common.log.AndmoreLogger; import org.eclipse.andmore.android.i18n.AndroidNLS; import org.eclipse.andmore.android.wizards.elements.FileChooser; import org.eclipse.andmore.android.wizards.installapp.DeployWizard.INSTALL_TYPE; import org.eclipse.core.runtime.Path; import org.eclipse.jface.dialogs.DialogPage; import org.eclipse.jface.dialogs.IMessageProvider; import org.eclipse.jface.wizard.WizardPage; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; 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.Group; import org.eclipse.ui.PlatformUI; /** * Wizard Page used by Deploy Wizard */ public class DeployWizardPage extends WizardPage { private FileChooser fileChooser = null; private String initialPackagePath = null; private String packageSelectionMessage = null; private String packagetext = null; private final String packageExtension = "apk"; private Button overwiteRadio = null; private Button uninstallRadio = null; private Button doNothingRadio = null; private static final String contextId = AndroidPlugin.PLUGIN_ID + ".install_app"; private static INSTALL_TYPE installType; private final String DSA_FILE_EXTENSION = ".DSA"; private final String RSA_FILE_EXTENSION = ".RSA"; private final String SF_FILE_EXTENSION = ".SF"; private static String lastUsedPackage = null; /** * Constructor * * @param initialPackagePath * @param selectPCKMessage * Message asking for package selection */ public DeployWizardPage(String initialPackagePath, String selectPCKMessage, String browseButtonText, String packagetext) { super(""); if ((browseButtonText == null) || (packagetext == null) || (selectPCKMessage == null)) { throw new IllegalArgumentException("Could not create Deploy Wizard: null argument"); } if (initialPackagePath == null) { this.initialPackagePath = lastUsedPackage != null ? lastUsedPackage : ""; } else { this.initialPackagePath = initialPackagePath; } this.packagetext = packagetext; packageSelectionMessage = selectPCKMessage; } /* * (non-Javadoc) * * @see * org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets * .Composite) */ @Override public void createControl(Composite parent) { // Main composite for the UI Composite mainComposite = new Composite(parent, SWT.FILL); PlatformUI.getWorkbench().getHelpSystem().setHelp(mainComposite, contextId); mainComposite.setLayout(new GridLayout()); mainComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL, GridData.FILL_VERTICAL, true, true)); // Package group Group packageGroup = new Group(mainComposite, SWT.NONE); packageGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); packageGroup.setLayout(new GridLayout(3, false)); packageGroup.setText(packagetext); fileChooser = new FileChooser(packageGroup, SWT.NONE, null); fileChooser.setFilterExtensions(new String[] { "*." + packageExtension }); fileChooser.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false)); fileChooser.addModifyListener(new ModifyListener() { @Override public void modifyText(ModifyEvent e) { validateSelection(); } }); createOptionButtons(mainComposite); mainComposite.pack(); setPageComplete(false); loadInitialValues(); setControl(mainComposite); } private void createOptionButtons(Composite mainComposite) { GridData data = new GridData(SWT.FILL, SWT.FILL, true, false, 3, 1); overwiteRadio = new Button(mainComposite, SWT.RADIO); overwiteRadio.setText(AndroidNLS.UI_DeployWizardPage_ReplaceApp); overwiteRadio.setSelection(true); overwiteRadio.setLayoutData(data); overwiteRadio.setData(INSTALL_TYPE.OVERWRITE); overwiteRadio.addSelectionListener(new SelectionAdapter() { /* * (non-Javadoc) * * @see * org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse * .swt.events.SelectionEvent) */ @Override public void widgetSelected(SelectionEvent e) { installType = (INSTALL_TYPE) overwiteRadio.getData(); } }); uninstallRadio = new Button(mainComposite, SWT.RADIO); uninstallRadio.setText(AndroidNLS.UI_DeployWizardPage_UninstallApp); uninstallRadio.setSelection(true); uninstallRadio.setLayoutData(data); uninstallRadio.setData(INSTALL_TYPE.UNINSTALL); uninstallRadio.addSelectionListener(new SelectionAdapter() { /* * (non-Javadoc) * * @see * org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse * .swt.events.SelectionEvent) */ @Override public void widgetSelected(SelectionEvent e) { installType = (INSTALL_TYPE) uninstallRadio.getData(); } }); doNothingRadio = new Button(mainComposite, SWT.RADIO); doNothingRadio.setText(AndroidNLS.UI_DeployWizardPage_DoNothingApp); doNothingRadio.setSelection(true); doNothingRadio.setLayoutData(data); doNothingRadio.setData(INSTALL_TYPE.DO_NOTHING); doNothingRadio.addSelectionListener(new SelectionAdapter() { /* * (non-Javadoc) * * @see * org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse * .swt.events.SelectionEvent) */ @Override public void widgetSelected(SelectionEvent e) { installType = (INSTALL_TYPE) doNothingRadio.getData(); } }); overwiteRadio.setSelection(true); uninstallRadio.setSelection(false); doNothingRadio.setSelection(false); installType = (INSTALL_TYPE.OVERWRITE); } /** * Load the initial values to be filled in the wizard */ private void loadInitialValues() { if ((initialPackagePath != null) && (initialPackagePath.length() != 0)) { fileChooser.setText(initialPackagePath); validateSelection(); } else { setMessage(packageSelectionMessage, IMessageProvider.NONE); } } /** * Validates the selected package and device instance setting the * appropriated messages and errors */ private synchronized void validateSelection() { String packagePath = fileChooser.getText(); if (isValidPackage(packagePath)) { setErrorMessage(null); setPageComplete(true); } else { setPageComplete(false); } } /** * Verify if a package is valid MPKG * * @param packagePath * @return TRUE if the package is valid or FALSE otherwise */ private boolean isValidPackage(String packagePath) { boolean result = false; Path path = new Path(packagePath); String extension = path.getFileExtension(); // testing if the entered path is a folder result = path.toFile().isFile(); if (!result) { setErrorMessage(AndroidNLS.UI_DeployWizardPage_PackageIsAFolder); } else { result = ((extension != null) && extension.equals(packageExtension) && path.isValidPath(path.toString())); if (!result) { setErrorMessage(AndroidNLS.UI_DeployWizardPage_InvalidPath); } else { // Test if file exists result = path.toFile().exists(); if (!result) { setErrorMessage(AndroidNLS.UI_DeployWizardPage_FileDoesNotExist); } } } if (result) { setMessage("", IMessageProvider.NONE); // Test if the package is valid result = isPackageSigned(packagePath); if (!result) { setErrorMessage(AndroidNLS.UI_DeployWizardPage_NotSignedMessage); } } return result; } /** * Verify if the package is signed based on the existence of an .SF file and * a corresponding DSA or RSA file. * * @param packagePath * @return TRUE if the package is signed */ private synchronized boolean isPackageSigned(String packagePath) { // Temporary placeholders for the package entries List<String> SFFiles = new ArrayList<String>(); List<String> RSAFiles = new ArrayList<String>(); List<String> DSAFiles = new ArrayList<String>(); // Temporary result boolean result = false; JarFile jar = null; try { jar = new JarFile(packagePath, false); Enumeration<JarEntry> enu = jar.entries(); // interact over the elements of the package while (enu.hasMoreElements()) { JarEntry entry = enu.nextElement(); if (entry.getName().toUpperCase().endsWith(SF_FILE_EXTENSION)) { // Mounts the list of SF files SFFiles.add(entry.getName().toUpperCase()); } else if (entry.getName().toUpperCase().endsWith(RSA_FILE_EXTENSION)) { // Mounts the list of RSA files RSAFiles.add(entry.getName().toUpperCase()); } else if (entry.getName().toUpperCase().endsWith(DSA_FILE_EXTENSION)) { // Mounts the list of DSA files DSAFiles.add(entry.getName().toUpperCase()); } } if (!SFFiles.isEmpty()) { for (String sfFile : SFFiles) { // Interacts over the list of SF files until it ends or // until a correspondent DSA or RSA is found Path p = new Path(sfFile); sfFile = p.removeFileExtension().toString(); result = (DSAFiles.contains(sfFile + DSA_FILE_EXTENSION) || RSAFiles.contains(sfFile + RSA_FILE_EXTENSION)); } } } catch (Exception e) { // Could not read the jar file AndmoreLogger.error(DeployWizardPage.class, "Deploy: Could not verify file " + packagePath, e); } finally { if (jar != null) { try { jar.close(); } catch (IOException e) { AndmoreLogger.error(DeployWizardPage.class, "Error closing package after verification", e); } } } return result; } /** * Gets the selected package path * * @return the package Path */ public String getPackagePath() { String packagePath = fileChooser.getText(); if (isValidPackage(packagePath)) { lastUsedPackage = packagePath; } return packagePath; } /** * Return true if the application should be replaced in the case it is * already installed on the device * */ public INSTALL_TYPE canOverwrite() { return installType; } }