| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 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.ant.antlib.script; |
| import com.ibm.bsf.BSFEngine; |
| import com.ibm.bsf.BSFException; |
| import com.ibm.bsf.BSFManager; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import org.apache.ant.common.antlib.AbstractTask; |
| import org.apache.ant.common.antlib.DeferredTask; |
| import org.apache.ant.common.util.ExecutionException; |
| import org.apache.ant.common.antlib.AntContext; |
| |
| /** |
| * Task to import a component or components from a library |
| * |
| * @author <a href="mailto:conor@apache.org">Conor MacNeill</a> |
| * @created 27 January 2002 |
| */ |
| public class ScriptBase extends AbstractTask implements DeferredTask { |
| /** The script factory instance to be used by this script */ |
| private ScriptFactory factory; |
| /** the name to which this script has been defined */ |
| private String scriptName; |
| |
| /** the attribute values set by the core */ |
| private Map attributes = new HashMap(); |
| |
| /** Any embedded set by the core */ |
| private String text = ""; |
| |
| /** A list of the nested element names which have been configured */ |
| private List nestedElementNames = new ArrayList(); |
| /** A list of the nested elements objects which have been configured */ |
| private List nestedElements = new ArrayList(); |
| |
| /** |
| * Set the given attribute |
| * |
| * @param name the name of the attribute |
| * @param attributeValue the new attribute value |
| */ |
| public void setAttribute(String name, String attributeValue) { |
| attributes.put(name, attributeValue); |
| } |
| |
| /** |
| * Add a nested element |
| * |
| * @param nestedElementName the nested element's name |
| * @param value the object being added |
| */ |
| public void addElement(String nestedElementName, Object value) { |
| nestedElementNames.add(nestedElementName); |
| nestedElements.add(value); |
| } |
| |
| |
| /** |
| * Execute the script |
| * |
| * @exception ExecutionException if tghe script execution fails |
| */ |
| public void execute() throws ExecutionException { |
| String language = factory.getScriptLanguage(scriptName); |
| String script = factory.getScript(scriptName); |
| |
| try { |
| BSFManager manager = new BSFManager(); |
| manager.declareBean("self", this, getClass()); |
| manager.declareBean("context", getAntContext(), AntContext.class); |
| |
| // execute the script |
| BSFEngine engine = manager.loadScriptingEngine(language); |
| |
| engine.exec(scriptName, 0, 0, script); |
| for (Iterator i = attributes.keySet().iterator(); i.hasNext(); ) { |
| String attributeName = (String)i.next(); |
| String value = (String)attributes.get(attributeName); |
| StringBuffer setter = new StringBuffer(attributeName); |
| setter.setCharAt(0, Character.toUpperCase(setter.charAt(0))); |
| engine.call(null, "set" + setter, new Object[]{value}); |
| } |
| |
| Iterator i = nestedElementNames.iterator(); |
| Iterator j = nestedElements.iterator(); |
| while (i.hasNext()) { |
| String nestedName = (String)i.next(); |
| Object nestedElement = j.next(); |
| StringBuffer adder = new StringBuffer(nestedName); |
| adder.setCharAt(0, Character.toUpperCase(adder.charAt(0))); |
| engine.call(null, "add" + adder, new Object[]{nestedElement}); |
| } |
| |
| engine.call(null, "execute", new Object[]{}); |
| } catch (BSFException e) { |
| Throwable t = e; |
| Throwable te = e.getTargetException(); |
| if (te != null) { |
| if (te instanceof ExecutionException) { |
| throw (ExecutionException)te; |
| } else { |
| t = te; |
| } |
| } |
| throw new ExecutionException(t); |
| } |
| } |
| |
| /** |
| * Defines the script. |
| * |
| * @param text Sets the value for the script variable. |
| */ |
| public void addText(String text) { |
| this.text += text; |
| } |
| |
| /** |
| * Sets the factory of the ScriptBase |
| * |
| * @param factory the script factory this script instance will use |
| */ |
| protected void setFactory(ScriptFactory factory) { |
| this.factory = factory; |
| } |
| |
| /** |
| * set the name of the script |
| * |
| * @param scriptName the script's defined name |
| */ |
| protected void setScriptName(String scriptName) { |
| this.scriptName = scriptName; |
| } |
| |
| } |
| |