| /* |
| * 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.optional.junit; |
| |
| import org.apache.tools.ant.BuildException; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.FileOutputStream; |
| |
| import java.lang.reflect.Field; |
| |
| /** |
| * Command class that encapsulate specific behavior for each |
| * Xalan version. The right executor will be instantiated at |
| * runtime via class lookup. For instance, it will check first |
| * for Xalan2, then for Xalan1. |
| */ |
| abstract class XalanExecutor { |
| /** the transformer caller */ |
| protected AggregateTransformer caller; |
| |
| /** set the caller for this object. */ |
| private final void setCaller(AggregateTransformer caller){ |
| this.caller = caller; |
| } |
| |
| /** get the appropriate stream based on the format (frames/noframes) */ |
| protected OutputStream getOutputStream() throws IOException { |
| if (caller.FRAMES.equals(caller.format)){ |
| // dummy output for the framed report |
| // it's all done by extension... |
| return new ByteArrayOutputStream(); |
| } else { |
| return new FileOutputStream(new File(caller.toDir, "junit-noframes.html")); |
| } |
| } |
| |
| /** override to perform transformation */ |
| abstract void execute() throws Exception; |
| |
| /** |
| * Create a valid Xalan executor. It checks first if Xalan2 is |
| * present, if not it checks for xalan1. If none is available, it |
| * fails. |
| * @param caller object containing the transformation information. |
| * @throws BuildException thrown if it could not find a valid xalan |
| * executor. |
| */ |
| static XalanExecutor newInstance(AggregateTransformer caller) throws BuildException { |
| Class procVersion = null; |
| XalanExecutor executor = null; |
| try { |
| procVersion = Class.forName("org.apache.xalan.processor.XSLProcessorVersion"); |
| executor = (XalanExecutor) Class.forName( |
| "org.apache.tools.ant.taskdefs.optional.junit.Xalan2Executor").newInstance(); |
| } catch (Exception xalan2missing){ |
| try { |
| procVersion = Class.forName("org.apache.xalan.xslt.XSLProcessorVersion"); |
| executor = (XalanExecutor) Class.forName( |
| "org.apache.tools.ant.taskdefs.optional.junit.Xalan1Executor").newInstance(); |
| } catch (Exception xalan1missing){ |
| throw new BuildException("Could not find xalan2 nor xalan1 in the classpath. Check http://xml.apache.org/xalan-j"); |
| } |
| } |
| String version = getXalanVersion(procVersion); |
| caller.task.log("Using Xalan version: " + version); |
| executor.setCaller(caller); |
| return executor; |
| } |
| |
| /** pretty useful data (Xalan version information) to display. */ |
| private static String getXalanVersion(Class procVersion) { |
| try { |
| Field f = procVersion.getField("S_VERSION"); |
| return f.get(null).toString(); |
| } catch (Exception e){ |
| return "?"; |
| } |
| } |
| } |