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 com.motorolamobility.studio.android.certmanager.ui.wizards; import java.io.File; import java.util.List; import org.eclipse.jface.viewers.ComboViewer; import org.eclipse.jface.viewers.ILabelProvider; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.wizard.WizardPage; import org.eclipse.osgi.util.NLS; 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.events.SelectionListener; import org.eclipse.swt.graphics.Image; 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.Display; import org.eclipse.swt.widgets.FileDialog; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.PlatformUI; import com.motorola.studio.android.common.utilities.EclipseUtils; import com.motorola.studio.android.common.utilities.FileUtil; import com.motorolamobility.studio.android.certmanager.CertificateManagerActivator; import com.motorolamobility.studio.android.certmanager.core.KeyStoreManager; import com.motorolamobility.studio.android.certmanager.core.PasswordProvider; import com.motorolamobility.studio.android.certmanager.exception.KeyStoreManagerException; import com.motorolamobility.studio.android.certmanager.i18n.CertificateManagerNLS; import com.motorolamobility.studio.android.certmanager.ui.model.IKeyStore; import com.motorolamobility.studio.android.certmanager.ui.model.KeyStoreNode; import com.motorolamobility.studio.android.certmanager.ui.model.SigningAndKeysModelManager; public class ImportKeystorePage extends WizardPage { private Text keystoreFilename; private ComboViewer keystoreType; public static final String IMPORT_KEYSTORE_HELP_ID = CertificateManagerActivator.PLUGIN_ID + ".import_keystore"; //$NON-NLS-1$ private SelectionListener selectionListener = new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { validatePage(); } }; private boolean userChangedFilename = false; private Composite mainComposite; private File keystoreFile; private String keystoreTypeString; protected boolean keystoreAlreadyMapped = false; private IKeyStore keyStoreNode; /** * @param pageName */ protected ImportKeystorePage(String pageName) { super(pageName); } /* (non-Javadoc) * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite) */ @Override public void createControl(Composite parent) { mainComposite = new Composite(parent, SWT.FILL); mainComposite.setLayout(new GridLayout(3, false)); mainComposite.setLayoutData(new GridData(GridData.FILL_BOTH)); setTitle(CertificateManagerNLS.ImportKeystorePage_Title); setMessage(CertificateManagerNLS.ImportKeystorePage_Description); createFilenameSection(mainComposite); createKeystoreTypeSection(mainComposite); validatePage(); setControl(mainComposite); //set help id for this page PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IMPORT_KEYSTORE_HELP_ID); PlatformUI.getWorkbench().getHelpSystem().setHelp(mainComposite, IMPORT_KEYSTORE_HELP_ID); } private void createFilenameSection(Composite mainComposite) { Label keystoreFilenameLabel = new Label(mainComposite, SWT.NONE); keystoreFilenameLabel.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1)); keystoreFilenameLabel.setText(CertificateManagerNLS.CreateKeystorePage_KeystoreFilenameLabel); keystoreFilename = new Text(mainComposite, SWT.SINGLE | SWT.BORDER); keystoreFilename.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1)); keystoreFilename.addSelectionListener(selectionListener); keystoreFilename.addModifyListener(new ModifyListener() { @Override public void modifyText(ModifyEvent e) { userChangedFilename = true; validatePage(); } }); Button chooseLocation = new Button(mainComposite, SWT.PUSH); chooseLocation.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false, 1, 1)); chooseLocation.setText(CertificateManagerNLS.CreateKeystorePage_KeystoreFilenameBrowse); chooseLocation.addSelectionListener(new SelectionAdapter() { /* (non-Javadoc) * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent) */ @Override public void widgetSelected(SelectionEvent e) { Shell shell = Display.getCurrent().getActiveShell(); FileDialog dialog = new FileDialog(shell, SWT.OPEN); String keystoreFilenameStr = dialog.open(); if (keystoreFilenameStr != null) { keystoreFilename.setText(keystoreFilenameStr); keystoreType.getCombo().setFocus(); } } }); } private void createKeystoreTypeSection(Composite parent) { Label keystoreTypeLabel = new Label(parent, SWT.NONE); keystoreTypeLabel.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1)); keystoreTypeLabel.setText(CertificateManagerNLS.CreateKeystorePage_KeystoreType); keystoreType = new ComboViewer(parent, SWT.READ_ONLY); keystoreType.getCombo().setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false, 1, 1)); keystoreType.setContentProvider(new IStructuredContentProvider() { @Override public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { //do nothing } @Override public void dispose() { //do nothing } @SuppressWarnings("unchecked") @Override public Object[] getElements(Object inputElement) { return ((List<String>) inputElement).toArray(); } }); keystoreType.setLabelProvider(new ILabelProvider() { @Override public void removeListener(ILabelProviderListener listener) { //do nothing } @Override public boolean isLabelProperty(Object element, String property) { return false; } @Override public void dispose() { //do nothing } @Override public void addListener(ILabelProviderListener listener) { //do nothing } @Override public String getText(Object element) { return (String) element; } @Override public Image getImage(Object element) { return null; } }); keystoreType.setInput(KeyStoreManager.getInstance().getAvailableTypes()); for (int i = 0; i < keystoreType.getCombo().getItemCount(); i++) { if (keystoreType.getCombo().getItem(i) .compareToIgnoreCase(KeyStoreManager.getInstance().getDefaultType()) == 0) { keystoreType.getCombo().select(i); } } keystoreType.getCombo().addModifyListener(new ModifyListener() { @Override public void modifyText(ModifyEvent e) { validatePage(); } }); //fill the third column with a blank label Label separator2 = new Label(parent, SWT.NONE); separator2.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1)); } protected boolean validatePage() { String errorMessage = null; boolean pageComplete = true; keystoreAlreadyMapped = false; keystoreFile = new File(keystoreFilename.getText()); keystoreTypeString = keystoreType.getCombo().getText(); if (keystoreType.getCombo().getText().isEmpty()) { errorMessage = CertificateManagerNLS.ImportKeystorePage_KeystoreTypeCannotBeEmpty; pageComplete = false; } if (userChangedFilename && !keystoreFile.exists()) { errorMessage = NLS.bind(CertificateManagerNLS.ImportKeystorePage_FileDoesNotExist, keystoreFilename.getText()); pageComplete = false; } if (keystoreFile.exists()) { if (keystoreFile.isFile()) { int fileSize = -1; try { fileSize = FileUtil.getFileSize(keystoreFile); } catch (Exception e) { e.printStackTrace(); } if (fileSize <= 0) { errorMessage = NLS.bind(CertificateManagerNLS.ImportKeystorePage_FileEmpty, keystoreFilename.getText()); pageComplete = false; } } else if (keystoreFile.isDirectory()) { errorMessage = NLS.bind(CertificateManagerNLS.ImportKeystorePage_DirectoryNotAllowedErrorMsg, keystoreFilename.getText()); pageComplete = false; } } if (keystoreFilename.getText().isEmpty()) { errorMessage = CertificateManagerNLS.ImportKeystorePage_FilenameCannotBeEmpty; pageComplete = false; } if (KeyStoreManager.getInstance().isKeystoreMapped(keystoreFile)) { errorMessage = NLS.bind(CertificateManagerNLS.ImportKeystorePage_KeystoreAlreadyMapped, keystoreFilename.getText()); keystoreAlreadyMapped = true; pageComplete = false; } setErrorMessage(errorMessage); setPageComplete(pageComplete); return pageComplete; } /** * Import the keystore using the information provided by the user. * @return True if the keystore was imported, false otherwise. * */ protected boolean importKeystore(String password, boolean savePassword) { boolean successfullyImported = true; validatePage(); if (isPageComplete()) { KeyStoreNode keyStoreNode = new KeyStoreNode(keystoreFile, keystoreType.getCombo().getText()); try { SigningAndKeysModelManager.getInstance().mapKeyStore(keyStoreNode); if (savePassword) { PasswordProvider passwordProvider = new PasswordProvider(keystoreFile); passwordProvider.saveKeyStorePassword(password); } } catch (KeyStoreManagerException e) { //keystore already mapped EclipseUtils.showErrorDialog(CertificateManagerNLS.ImportKeystorePage_CouldNotImportKeystore, e.getMessage()); successfullyImported = false; } } else { successfullyImported = false; } return successfullyImported; } /** * Import the keystore using the information provided by the user. * @return True if the keystore was imported, false otherwise. * */ public boolean importKeystore() { return importKeystore(null, false); } /** * * @return */ protected IKeyStore getSelectedKeystore() { if ((keyStoreNode == null) || !keyStoreNode.getFile().equals(keystoreFile) || ((keyStoreNode.getFile().equals(keystoreFile)) && keyStoreNode.getType().equalsIgnoreCase(keystoreTypeString))) { keyStoreNode = new KeyStoreNode(keystoreFile, keystoreTypeString); } return keyStoreNode; } /** * @return the mainComposite */ protected Composite getMainComposite() { return mainComposite; } }