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Diffstat (limited to 'src/org/apache/fop/tools/xslt/XSLTransform.java')
-rw-r--r-- | src/org/apache/fop/tools/xslt/XSLTransform.java | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/org/apache/fop/tools/xslt/XSLTransform.java b/src/org/apache/fop/tools/xslt/XSLTransform.java new file mode 100644 index 000000000..0d876158d --- /dev/null +++ b/src/org/apache/fop/tools/xslt/XSLTransform.java @@ -0,0 +1,173 @@ +/* + * 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", "Tomcat", 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.fop.tools.xslt; + +import java.io.Writer; +import java.lang.reflect.*; + + +public class XSLTransform +{ + + public static void transform(String xmlSource, + String xslURL, + String outputFile) + throws Exception + { + Class[] argTypes = {String.class, String.class, String.class}; + Object[] params = {xmlSource, xslURL, outputFile}; + transform(params, argTypes); + } + + public static void transform(org.w3c.dom.Document xmlSource, + String xslURL, + String outputFile) + throws Exception + { + Class[] argTypes = {org.w3c.dom.Document.class, + String.class, String.class}; + + Object[] params = {xmlSource, xslURL, outputFile}; + transform(params, argTypes); + + } + + public static void transform(String xmlSource, + String xslURL, + Writer outputWriter) + throws Exception + { + Class[] argTypes = {String.class, String.class, Writer.class}; + Object[] params = {xmlSource, xslURL, outputWriter}; + transform(params, argTypes); + + } + + + private static void transform(Object[] args, Class[] argTypes) + throws Exception + { + Class transformer = getTransformClass(); + if (transformer != null) { + Method transformMethod = getTransformMethod(transformer,argTypes); + if (transformMethod != null) { + try { + transformMethod.invoke(null, args); + } + catch (InvocationTargetException ex) { + ex.printStackTrace(); + } + } + else { + throw new Exception("transform method not found"); + } + } + else { + throw new Exception("no transformer class found"); + } + + } + + + private static Class getTransformClass() + { + try { + // try trax first + Class transformer = Class.forName("javax.xml.transform.Transformer"); + // ok, make sure we have a liaison to trax + transformer = Class.forName("org.apache.fop.tools.xslt.TraxTransform"); + return transformer; + + } + catch (ClassNotFoundException ex){ + } + // otherwise, try regular xalan1 + try { + Class transformer = Class.forName("org.apache.xalan.xslt.XSLTProcessor"); + // get the liaison + transformer = Class.forName("org.apache.fop.tools.xslt.Xalan1Transform"); + return transformer; + } + catch (ClassNotFoundException ex){ + } + return null; + + } + + + private static Method getTransformMethod(Class c, Class[] argTypes) + { + // System.out.println("transformer class = "+c); + + try { + // Class[] argTypes = new Class[args.length]; + for (int i=0; i<argTypes.length; i++) { + // argTypes[i] = args[i].getClass(); + //System.out.println("arg["+i+"] type = "+argTypes[i]); + + } + + Method transformer = c.getMethod("transform",argTypes); + return transformer; + + } + catch (NoSuchMethodException ex) { + ex.printStackTrace(); + + } + return null; + } + +} |