| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 1999 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.optional; |
| |
| import com.ibm.bsf.*; |
| import java.io.*; |
| import java.util.*; |
| import org.apache.tools.ant.*; |
| |
| /** |
| * Execute a script |
| * |
| * @author Sam Ruby <a href="mailto:rubys@us.ibm.com">rubys@us.ibm.com</a> |
| */ |
| public class Script extends Task { |
| private String language; |
| private String script = ""; |
| private Hashtable beans = new Hashtable(); |
| |
| /** |
| * Add a list of named objects to the list to be exported to the script |
| */ |
| private void addBeans(Hashtable dictionary) { |
| for (Enumeration e=dictionary.keys(); e.hasMoreElements(); ) { |
| String key = (String)e.nextElement(); |
| |
| boolean isValid = key.length()>0 && |
| Character.isJavaIdentifierStart(key.charAt(0)); |
| |
| for (int i=1; isValid && i<key.length(); i++) |
| isValid = Character.isJavaIdentifierPart(key.charAt(i)); |
| |
| if (isValid) beans.put(key, dictionary.get(key)); |
| } |
| } |
| |
| /** |
| * Do the work. |
| * |
| * @exception BuildException if someting goes wrong with the build |
| */ |
| public void execute() throws BuildException { |
| try { |
| addBeans(project.getProperties()); |
| addBeans(project.getUserProperties()); |
| addBeans(project.getTargets()); |
| addBeans(project.getReferences()); |
| |
| BSFManager manager = new BSFManager (); |
| |
| for (Enumeration e = beans.keys() ; e.hasMoreElements() ;) { |
| String key = (String)e.nextElement(); |
| Object value = beans.get(key); |
| manager.declareBean(key, value, value.getClass()); |
| } |
| |
| // execute the script |
| manager.exec(language, "<ANT>", 0, 0, script); |
| } catch (BSFException be) { |
| Throwable t = be; |
| Throwable te = be.getTargetException(); |
| if (te != null) { |
| if (te instanceof BuildException) { |
| throw (BuildException) te; |
| } else { |
| t = te; |
| } |
| } |
| throw new BuildException(t); |
| } |
| } |
| |
| /** |
| * Defines the language (required). |
| * |
| * @param msg Sets the value for the script variable. |
| */ |
| public void setLanguage(String language) { |
| this.language = language; |
| } |
| |
| /** |
| * Load the script from an external file |
| * |
| * @param msg Sets the value for the script variable. |
| */ |
| public void setSrc(String fileName) { |
| File file = new File(fileName); |
| if (!file.exists()) |
| throw new BuildException("file " + fileName + " not found."); |
| |
| int count = (int)file.length(); |
| byte data[] = new byte[count]; |
| |
| try { |
| FileInputStream inStream = new FileInputStream(file); |
| inStream.read(data); |
| inStream.close(); |
| } catch (IOException e) { |
| throw new BuildException(e); |
| } |
| |
| script += new String(data); |
| } |
| |
| /** |
| * Defines the script. |
| * |
| * @param msg Sets the value for the script variable. |
| */ |
| public void addText(String text) { |
| this.script += text; |
| } |
| } |