+++ /dev/null
-/*
- * Copyright 2005-2010 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.wamblee.xml;
-
-import org.w3c.dom.Document;
-
-import org.wamblee.io.FileResource;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.IOException;
-
-import javax.xml.transform.Result;
-import javax.xml.transform.Source;
-import javax.xml.transform.Transformer;
-import javax.xml.transform.TransformerConfigurationException;
-import javax.xml.transform.TransformerException;
-import javax.xml.transform.TransformerFactory;
-import javax.xml.transform.URIResolver;
-import javax.xml.transform.dom.DOMResult;
-import javax.xml.transform.dom.DOMSource;
-import javax.xml.transform.stream.StreamResult;
-import javax.xml.transform.stream.StreamSource;
-
-/**
- * XSL transformer for simplified usage of XSL transformations.
- *
- * @author Erik Brakkee
- */
-public class XslTransformer {
- private TransformerFactory factory;
-
- /**
- * Constructs the URL resolver.
- *
- * @param aResolver
- * URI resolver to use.
- */
- public XslTransformer(URIResolver aResolver) {
- factory = TransformerFactory.newInstance();
- factory.setURIResolver(aResolver);
- }
-
- /**
- * Constructs the XSLT processor.
- *
- */
- public XslTransformer() {
- factory = TransformerFactory.newInstance();
- }
-
- /**
- * Resolves an XSLT based on URI.
- *
- * @param aXslt
- * XSLT to resolve,
- *
- * @return Source for the XSLT
- *
- * @throws TransformerException
- * In case the XSLT cannot be found.
- */
- public Source resolve(String aXslt) throws TransformerException {
- URIResolver resolver = factory.getURIResolver();
-
- if (resolver == null) {
- if (new File(aXslt).canRead()) {
- try {
- return new StreamSource(new FileResource(new File(aXslt))
- .getInputStream());
- } catch (IOException e) {
- throw new TransformerException(e.getMessage(), e);
- }
- }
- throw new TransformerException("Cannot read '" + aXslt + "'");
- }
-
- return resolver.resolve(aXslt, "");
- }
-
- /**
- * Transforms a DOM document into another DOM document using a given XSLT
- * transformation.
- *
- * @param aDocument
- * Document to transform.
- * @param aXslt
- * XSLT to use.
- *
- * @return Transformed document.
- *
- * @throws IOException
- * In case of problems reading resources.
- * @throws TransformerException
- * In case transformation fails.
- */
- public Document transform(Document aDocument, Source aXslt)
- throws IOException, TransformerException {
- Source source = new DOMSource(aDocument);
- DOMResult result = new DOMResult();
- transform(source, result, aXslt);
-
- return (Document) result.getNode();
- }
-
- /**
- * Transforms a document using XSLT.
- *
- * @param aDocument
- * Document to transform.
- * @param aXslt
- * XSLT to use.
- *
- * @return Transformed document.
- *
- * @throws IOException
- * In case of problems reading resources.
- * @throws TransformerException
- * In case transformation fails.
- */
- public Document transform(byte[] aDocument, Source aXslt)
- throws IOException, TransformerException {
- Source source = new StreamSource(new ByteArrayInputStream(aDocument));
- DOMResult result = new DOMResult();
- transform(source, result, aXslt);
-
- return (Document) result.getNode();
- }
-
- /**
- * Transforms a document to a text output. This supports XSLT
- * transformations that result in text documents.
- *
- * @param aDocument
- * Document to transform.
- * @param aXslt
- * XSL transformation.
- *
- * @return Transformed document.
- *
- */
- public String textTransform(byte[] aDocument, Source aXslt)
- throws IOException, TransformerException {
- Source source = new StreamSource(new ByteArrayInputStream(aDocument));
- ByteArrayOutputStream os = new ByteArrayOutputStream();
- StreamResult result = new StreamResult(os);
- transform(source, result, aXslt);
-
- return new String(os.toByteArray());
- }
-
- /**
- * Transforms a document using XSLT.
- *
- * @param aSource
- * Document to transform.
- * @param aResult
- * Result of the transformation.
- * @param aXslt
- * XSLT to use.
- *
- * @throws IOException
- * In case of problems reading resources.
- * @throws TransformerException
- * In case transformation fails.
- */
- public void transform(Source aSource, Result aResult, Source aXslt)
- throws IOException, TransformerException {
- try {
- Transformer transformer = factory.newTransformer(aXslt);
- transformer.transform(aSource, aResult);
- } catch (TransformerConfigurationException e) {
- throw new TransformerException(
- "Configuration problem of XSLT transformation", e);
- }
- }
-}
git://wamblee.org / utils / blobdiff