| /******************************************************************************* |
| * Copyright (c) 2000, 2013 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ant.internal.ui.antsupport.inputhandler; |
| |
| import org.apache.tools.ant.BuildException; |
| import org.apache.tools.ant.input.DefaultInputHandler; |
| import org.apache.tools.ant.input.InputRequest; |
| import org.eclipse.ant.internal.core.IAntCoreConstants; |
| import org.eclipse.ant.internal.ui.antsupport.AntSupportMessages; |
| import org.eclipse.jface.dialogs.IInputValidator; |
| import org.eclipse.jface.dialogs.InputDialog; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Display; |
| |
| /** |
| * The default input handler when using Ant within Eclipse. This is the class that will respond to <input> requests from within an Ant build file. If |
| * the build is occurring in Ant 1.6.0 and the -noinput option has been specified this input handler will fail. |
| */ |
| public class AntInputHandler extends DefaultInputHandler { |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.tools.ant.input.InputHandler#handleInput(org.apache.tools.ant.input.InputRequest) |
| */ |
| @Override |
| public void handleInput(InputRequest request) throws BuildException { |
| if (System.getProperty("eclipse.ant.noInput") != null) { //$NON-NLS-1$ |
| throw new BuildException(AntSupportMessages.AntInputHandler_5); |
| } |
| BuildException[] problem = new BuildException[1]; |
| Runnable runnable = getHandleInputRunnable(request, problem); |
| Display.getDefault().syncExec(runnable); |
| if (problem[0] != null) { |
| throw problem[0]; |
| } |
| } |
| |
| protected Runnable getHandleInputRunnable(final InputRequest request, final BuildException[] problem) { |
| return () -> { |
| String prompt = getPrompt(request); |
| String title = AntSupportMessages.AntInputHandler_Ant_Input_Request_1; |
| IInputValidator validator = new IInputValidator() { |
| private boolean fFirstValidation = true; |
| |
| @Override |
| public String isValid(String value) { |
| request.setInput(value); |
| if (request.isInputValid()) { |
| return null; |
| } |
| if (fFirstValidation) { |
| fFirstValidation = false; |
| return IAntCoreConstants.EMPTY_STRING; |
| } |
| return AntSupportMessages.AntInputHandler_Invalid_input_2; |
| } |
| }; |
| |
| String initialValue = null; |
| try { |
| request.getClass().getMethod("getDefaultValue", new Class[0]); //$NON-NLS-1$ |
| initialValue = request.getDefaultValue(); |
| } |
| catch (SecurityException e1) { |
| // do nothing |
| } |
| catch (NoSuchMethodException e2) { |
| // pre Ant 1.7.0 |
| } |
| InputDialog dialog = new InputDialog(null, title, prompt, initialValue, validator) { |
| @Override |
| protected int getShellStyle() { |
| return super.getShellStyle() | SWT.RESIZE; |
| } |
| }; |
| if (dialog.open() != Window.OK) { |
| problem[0] = new BuildException(AntSupportMessages.AntInputHandler_Unable_to_respond_to__input__request_4); |
| } |
| }; |
| } |
| } |