+++ /dev/null
-package org.argeo.cms.swt.auth;
-
-import java.io.IOException;
-import java.util.Arrays;
-
-import javax.security.auth.callback.Callback;
-import javax.security.auth.callback.CallbackHandler;
-import javax.security.auth.callback.NameCallback;
-import javax.security.auth.callback.PasswordCallback;
-import javax.security.auth.callback.TextOutputCallback;
-import javax.security.auth.callback.UnsupportedCallbackException;
-
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.KeyEvent;
-import org.eclipse.swt.events.KeyListener;
-import org.eclipse.swt.events.ModifyEvent;
-import org.eclipse.swt.events.ModifyListener;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.events.SelectionListener;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.widgets.Combo;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Label;
-import org.eclipse.swt.widgets.Text;
-
-/**
- * A composite that can populate itself based on {@link Callback}s. It can be
- * used directly as a {@link CallbackHandler} or be used by one by calling the
- * {@link #createCallbackHandlers(Callback[])}. Supported standard
- * {@link Callback}s are:<br>
- * <ul>
- * <li>{@link PasswordCallback}</li>
- * <li>{@link NameCallback}</li>
- * <li>{@link TextOutputCallback}</li>
- * </ul>
- * Supported Argeo {@link Callback}s are:<br>
- * <ul>
- * <li>{@link LocaleChoice}</li>
- * </ul>
- */
-public class CompositeCallbackHandler extends Composite implements CallbackHandler {
- private static final long serialVersionUID = -928223893722723777L;
-
- private boolean wasUsedAlready = false;
- private boolean isSubmitted = false;
- private boolean isCanceled = false;
-
- public CompositeCallbackHandler(Composite parent, int style) {
- super(parent, style);
- }
-
- @Override
- public synchronized void handle(final Callback[] callbacks) throws IOException, UnsupportedCallbackException {
- // reset
- if (wasUsedAlready && !isSubmitted() && !isCanceled()) {
- cancel();
- for (Control control : getChildren())
- control.dispose();
- isSubmitted = false;
- isCanceled = false;
- }
-
- for (Callback callback : callbacks)
- checkCallbackSupported(callback);
- // create controls synchronously in the UI thread
- getDisplay().syncExec(new Runnable() {
-
- @Override
- public void run() {
- createCallbackHandlers(callbacks);
- }
- });
-
- if (!wasUsedAlready)
- wasUsedAlready = true;
-
- // while (!isSubmitted() && !isCanceled()) {
- // try {
- // wait(1000l);
- // } catch (InterruptedException e) {
- // // silent
- // }
- // }
-
- // cleanCallbacksAfterCancel(callbacks);
- }
-
- public void checkCallbackSupported(Callback callback) throws UnsupportedCallbackException {
- if (callback instanceof TextOutputCallback || callback instanceof NameCallback
- || callback instanceof PasswordCallback || callback instanceof LocaleChoice) {
- return;
- } else {
- throw new UnsupportedCallbackException(callback);
- }
- }
-
- /**
- * Set writable callbacks to null if the handle is canceled (check is done
- * by the method)
- */
- public void cleanCallbacksAfterCancel(Callback[] callbacks) {
- if (isCanceled()) {
- for (Callback callback : callbacks) {
- if (callback instanceof NameCallback) {
- ((NameCallback) callback).setName(null);
- } else if (callback instanceof PasswordCallback) {
- PasswordCallback pCallback = (PasswordCallback) callback;
- char[] arr = pCallback.getPassword();
- if (arr != null) {
- Arrays.fill(arr, '*');
- pCallback.setPassword(null);
- }
- }
- }
- }
- }
-
- public void createCallbackHandlers(Callback[] callbacks) {
- Composite composite = this;
- for (int i = 0; i < callbacks.length; i++) {
- Callback callback = callbacks[i];
- if (callback instanceof TextOutputCallback) {
- createLabelTextoutputHandler(composite, (TextOutputCallback) callback);
- } else if (callback instanceof NameCallback) {
- createNameHandler(composite, (NameCallback) callback);
- } else if (callback instanceof PasswordCallback) {
- createPasswordHandler(composite, (PasswordCallback) callback);
- } else if (callback instanceof LocaleChoice) {
- createLocaleHandler(composite, (LocaleChoice) callback);
- }
- }
- }
-
- protected Text createNameHandler(Composite composite, final NameCallback callback) {
- Label label = new Label(composite, SWT.NONE);
- label.setText(callback.getPrompt());
- final Text text = new Text(composite, SWT.SINGLE | SWT.LEAD | SWT.BORDER);
- if (callback.getDefaultName() != null) {
- // set default value, if provided
- text.setText(callback.getDefaultName());
- callback.setName(callback.getDefaultName());
- }
- text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
- text.addModifyListener(new ModifyListener() {
- private static final long serialVersionUID = 7300032545287292973L;
-
- public void modifyText(ModifyEvent event) {
- callback.setName(text.getText());
- }
- });
- text.addSelectionListener(new SelectionListener() {
- private static final long serialVersionUID = 1820530045857665111L;
-
- @Override
- public void widgetSelected(SelectionEvent e) {
- }
-
- @Override
- public void widgetDefaultSelected(SelectionEvent e) {
- submit();
- }
- });
-
- text.addKeyListener(new KeyListener() {
- private static final long serialVersionUID = -8698107785092095713L;
-
- @Override
- public void keyReleased(KeyEvent e) {
- }
-
- @Override
- public void keyPressed(KeyEvent e) {
- }
- });
- return text;
- }
-
- protected Text createPasswordHandler(Composite composite, final PasswordCallback callback) {
- Label label = new Label(composite, SWT.NONE);
- label.setText(callback.getPrompt());
- final Text passwordText = new Text(composite, SWT.SINGLE | SWT.LEAD | SWT.PASSWORD | SWT.BORDER);
- passwordText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
- passwordText.addModifyListener(new ModifyListener() {
- private static final long serialVersionUID = -7099363995047686732L;
-
- public void modifyText(ModifyEvent event) {
- callback.setPassword(passwordText.getTextChars());
- }
- });
- passwordText.addSelectionListener(new SelectionListener() {
- private static final long serialVersionUID = 1820530045857665111L;
-
- @Override
- public void widgetSelected(SelectionEvent e) {
- }
-
- @Override
- public void widgetDefaultSelected(SelectionEvent e) {
- submit();
- }
- });
- return passwordText;
- }
-
- protected Combo createLocaleHandler(Composite composite, final LocaleChoice callback) {
- String[] labels = callback.getSupportedLocalesLabels();
- if (labels.length == 0)
- return null;
- Label label = new Label(composite, SWT.NONE);
- label.setText("Language");
-
- final Combo combo = new Combo(composite, SWT.READ_ONLY);
- combo.setItems(labels);
- combo.select(callback.getDefaultIndex());
- combo.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
- combo.addSelectionListener(new SelectionListener() {
- private static final long serialVersionUID = 38678989091946277L;
-
- @Override
- public void widgetSelected(SelectionEvent e) {
- callback.setSelectedIndex(combo.getSelectionIndex());
- }
-
- @Override
- public void widgetDefaultSelected(SelectionEvent e) {
- }
- });
- return combo;
- }
-
- protected Label createLabelTextoutputHandler(Composite composite, final TextOutputCallback callback) {
- Label label = new Label(composite, SWT.NONE);
- label.setText(callback.getMessage());
- GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
- data.horizontalSpan = 2;
- label.setLayoutData(data);
- return label;
- // TODO: find a way to pass this information
- // int messageType = callback.getMessageType();
- // int dialogMessageType = IMessageProvider.NONE;
- // switch (messageType) {
- // case TextOutputCallback.INFORMATION:
- // dialogMessageType = IMessageProvider.INFORMATION;
- // break;
- // case TextOutputCallback.WARNING:
- // dialogMessageType = IMessageProvider.WARNING;
- // break;
- // case TextOutputCallback.ERROR:
- // dialogMessageType = IMessageProvider.ERROR;
- // break;
- // }
- // setMessage(callback.getMessage(), dialogMessageType);
- }
-
- synchronized boolean isSubmitted() {
- return isSubmitted;
- }
-
- synchronized boolean isCanceled() {
- return isCanceled;
- }
-
- protected synchronized void submit() {
- isSubmitted = true;
- notifyAll();
- }
-
- protected synchronized void cancel() {
- isCanceled = true;
- notifyAll();
- }
-}
projects / lgpl / argeo-commons.git / blobdiff