| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2000-2002 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package org.apache.tools.ant.taskdefs; |
| |
| import org.apache.tools.ant.Task; |
| import org.apache.tools.ant.BuildException; |
| |
| |
| /** |
| * Exits the active build, giving an additional message |
| * if available. |
| * |
| * @author <a href="mailto:nico@seessle.de">Nico Seessle</a> |
| * |
| * @since Ant 1.2 |
| * |
| * @ant.task name="fail" category="control" |
| */ |
| public class Exit extends Task { |
| private String message; |
| private String ifCondition, unlessCondition; |
| |
| /** |
| * A message giving further information on why the build exited. |
| * |
| * @param value message to output |
| */ |
| public void setMessage(String value) { |
| this.message = value; |
| } |
| |
| /** |
| * Only fail if a property of the given name exists in the current project. |
| * @param c property name |
| */ |
| public void setIf(String c) { |
| ifCondition = c; |
| } |
| |
| /** |
| * Only fail if a property of the given name does not |
| * exist in the current project. |
| * @param c property name |
| */ |
| public void setUnless(String c) { |
| unlessCondition = c; |
| } |
| |
| public void execute() throws BuildException { |
| if (testIfCondition() && testUnlessCondition()) { |
| if (message != null && message.length() > 0) { |
| throw new BuildException(message); |
| } else { |
| throw new BuildException("No message"); |
| } |
| } |
| } |
| |
| /** |
| * Set a multiline message. |
| */ |
| public void addText(String msg) { |
| if (message == null) { |
| message = ""; |
| } |
| message += project.replaceProperties(msg); |
| } |
| |
| private boolean testIfCondition() { |
| if (ifCondition == null || "".equals(ifCondition)) { |
| return true; |
| } |
| |
| return project.getProperty(ifCondition) != null; |
| } |
| |
| private boolean testUnlessCondition() { |
| if (unlessCondition == null || "".equals(unlessCondition)) { |
| return true; |
| } |
| return project.getProperty(unlessCondition) == null; |
| } |
| |
| } |