/*
* Copyright 2005 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 javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
-import org.w3c.dom.Document;
-import org.wamblee.io.FileResource;
/**
* XSL transformer for simplified usage of XSL transformations.
* @author Erik Brakkee
*/
public class XslTransformer {
-
+ /**
+ * DOCUMENT ME!
+ */
private TransformerFactory factory;
- /**
+/**
* Constructs the URL resolver.
- *
+ *
* @param aResolver
* URI resolver to use.
*/
factory.setURIResolver(aResolver);
}
- /**
+/**
* Constructs the XSLT processor.
- *
+ *
*/
public XslTransformer() {
factory = TransformerFactory.newInstance();
}
/**
- * Resolves an XSLT based on URI.
- * @param aXslt XSLT to resolve,
+ * 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.
+ *
+ * @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());
+ .getInputStream());
} catch (IOException e) {
throw new TransformerException(e.getMessage(), e);
}
} else {
- throw new TransformerException("Cannot read '" + aXslt + "'");
+ 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.
+ * 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.
+ *
+ * @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);
+ 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.
+ *
+ * @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.
+ *
+ * @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));
+ 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.
+ *
+ * @param aDocument Document to transform.
+ * @param aXslt XSL transformation.
+ *
* @return Transformed document.
+ *
+ * @throws IOException DOCUMENT ME!
+ * @throws TransformerException DOCUMENT ME!
*/
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);
+ 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.
+ *
+ * @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 {
+ 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);
+ throw new TransformerException("Configuration problem of XSLT transformation",
+ e);
}
}
}
git://wamblee.org / utils / blobdiff