| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2001-2002 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 java.io.BufferedReader; |
| import java.io.InputStreamReader; |
| import java.io.IOException; |
| import java.util.StringTokenizer; |
| import java.util.Vector; |
| import org.apache.tools.ant.Task; |
| |
| import org.apache.tools.ant.BuildException; |
| |
| import org.apache.tools.ant.Project; |
| |
| |
| /** |
| * Ant task to read input line from console. |
| * |
| * @author <a href="mailto:usch@usch.net">Ulrich Schmidt</a> |
| * |
| * @ant.task category="control" |
| */ |
| public class Input extends Task { |
| private String validargs = null; |
| private String message = ""; |
| private String addproperty = null; |
| private String input = null; |
| |
| /** |
| * Defines valid input parameters as comma separated String. If set, input |
| * task will reject any input not defined as accepted and requires the user |
| * to reenter it. Validargs are case sensitive. If you want 'a' and 'A' to |
| * be accepted you need to define both values as accepted arguments. |
| * |
| * @param validargs A comma separated String defining valid input args. |
| */ |
| public void setValidargs (String validargs) { |
| this.validargs = validargs; |
| } |
| |
| /** |
| * Defines the name of a property to be created from input. Behaviour is |
| * according to property task which means that existing properties |
| * cannot be overriden. |
| * |
| * @param addproperty Name for the property to be created from input |
| */ |
| public void setAddproperty (String addproperty) { |
| this.addproperty = addproperty; |
| } |
| |
| /** |
| * Sets the Message which gets displayed to the user during the build run. |
| * @param message The message to be displayed. |
| */ |
| public void setMessage (String message) { |
| this.message = message; |
| } |
| |
| /** |
| * Sets surrogate input to allow automated testing. |
| * @param input The surrogate input used for testing. |
| */ |
| public void setTestinput (String testinput) { |
| this.input = testinput; |
| } |
| |
| /** |
| * No arg constructor. |
| */ |
| public Input () { |
| } |
| |
| /** |
| * Actual test method executed by jakarta-ant. |
| * @exception BuildException |
| */ |
| public void execute () throws BuildException { |
| Vector accept = null; |
| if (validargs != null) { |
| accept = new Vector(); |
| StringTokenizer stok = new StringTokenizer(validargs, ",", false); |
| while (stok.hasMoreTokens()) { |
| accept.addElement(stok.nextToken()); |
| } |
| } |
| log(message, Project.MSG_WARN); |
| if (input == null) { |
| try { |
| BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); |
| input = in.readLine(); |
| if (accept != null) { |
| while (!accept.contains(input)) { |
| log(message, Project.MSG_WARN); |
| input = in.readLine(); |
| } |
| } |
| } catch (IOException e) { |
| throw new BuildException("Failed to read input from Console.", e); |
| } |
| } |
| // not quite the original intention of this task but for the sake |
| // of testing ;-) |
| else { |
| if (accept != null && (!accept.contains(input))) { |
| throw new BuildException("Invalid input please reenter."); |
| } |
| } |
| // adopted from org.apache.tools.ant.taskdefs.Property |
| if (addproperty != null) { |
| if (project.getProperty(addproperty) == null) { |
| project.setProperty(addproperty, input); |
| } |
| else { |
| log("Override ignored for " + addproperty, Project.MSG_VERBOSE); |
| } |
| } |
| } |
| |
| // copied n' pasted from org.apache.tools.ant.taskdefs.Exit |
| /** |
| * Set a multiline message. |
| */ |
| public void addText(String msg) { |
| message += project.replaceProperties(msg); |
| } |
| } |
| |
| |
| |