org.apache.xalan.test.TransformWithExtensionTest.java Source code

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Here is the source code for org.apache.xalan.test.TransformWithExtensionTest.java

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/***********************************************************************************************************************
 * Copyright (c) 2008 empolis GmbH and brox IT Solutions GmbH. All rights reserved. This program and the accompanying
 * materials are made available under the terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors: Ivan Churkin (brox IT Solutions GmbH) - initial creator
 **********************************************************************************************************************/
package org.apache.xalan.test;

import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;

import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;

import junit.framework.TestCase;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * The Class TransformWithExtensionTest.
 */
public class TransformWithExtensionTest extends TestCase {

    /**
     * Filename of foo.xsl.
     */
    private static final String FOO_XSL_FILE_NAME = "fooExt.xslt";

    /**
     * The Constant FOO_XSL_FILE_NAME2.
     */
    private static final String FOO_XSL_FILE_NAME2 = "fooExt2.xslt";

    /**
     * Filename of foo.xml.
     */
    private static final String FOO_XML_FILE_NAME = "foo.xml";

    /**
     * Filename of foo.out.
     */
    private static final String FOO_OUT_FILE = "fooExt.out";

    /**
     * The Constant FOO_OUT_FILE2.
     */
    private static final String FOO_OUT_FILE2 = "fooExt2.out";

    /**
     * The _log.
     */
    private final Log _log = LogFactory.getLog(getClass());

    /**
     * Test transform xml document.
     * 
     * @throws Exception
     *           the exception
     */
    @SuppressWarnings("unchecked")
    public final void testTransformWithExtension() throws Exception {
        final TransformerFactory tFactory = TransformerFactory.newInstance();
        assertTrue(tFactory instanceof org.apache.xalan.processor.TransformerFactoryImpl);

        final Transformer transformer = tFactory.newTransformer(
                new StreamSource(TransformWithExtensionTest.class.getResourceAsStream(FOO_XSL_FILE_NAME)));
        assertTrue(transformer instanceof org.apache.xalan.transformer.TransformerImpl);

        // its not required - only for testing that ext class was loaded!
        final ClassLoader classLoader = transformer.getClass().getClassLoader();
        final Class clazz = classLoader.loadClass("org.apache.xalan.test.ExtensionSample");
        assertNotNull(clazz);

        final ByteArrayOutputStream fooOutOS = new ByteArrayOutputStream();
        final Source source = new StreamSource(
                TransformWithExtensionTest.class.getResourceAsStream(FOO_XML_FILE_NAME));
        final Result result = new StreamResult(fooOutOS);
        transformer.transform(source, result);

        final String resultStr = fooOutOS.toString();
        _log.info("result=" + resultStr);

        final InputStream origFooOutIS = TransformWithExtensionTest.class.getResourceAsStream(FOO_OUT_FILE);
        final StringBuffer origFooOutContent = new StringBuffer();
        final BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(origFooOutIS));
        String line = null;
        while ((line = bufferedReader.readLine()) != null) {
            origFooOutContent.append(line);
        }
        assertEquals(origFooOutContent.toString(), resultStr);
    }

    /**
     * Test transform with extension2.
     * 
     * @throws Exception
     *           the exception
     */
    public final void testTransformWithExtension2() throws Exception {
        final TransformerFactory tFactory = TransformerFactory.newInstance();
        assertTrue(tFactory instanceof org.apache.xalan.processor.TransformerFactoryImpl);

        final Transformer transformer = tFactory.newTransformer(
                new StreamSource(TransformWithExtensionTest.class.getResourceAsStream(FOO_XSL_FILE_NAME2)));
        assertTrue(transformer instanceof org.apache.xalan.transformer.TransformerImpl);

        // its not required - only for testing that ext class was loaded!
        // final ClassLoader classLoader = transformer.getClass().getClassLoader();
        // final Class clazz = classLoader.loadClass("org.apache.xalan.test.ExtensionSample");
        // assertNotNull(clazz);

        final ByteArrayOutputStream fooOutOS = new ByteArrayOutputStream();
        final Source source = new StreamSource(
                TransformWithExtensionTest.class.getResourceAsStream(FOO_XML_FILE_NAME));
        final Result result = new StreamResult(fooOutOS);
        transformer.transform(source, result);

        final String resultStr = fooOutOS.toString();
        _log.info("result=" + resultStr);

        final InputStream origFooOutIS = TransformWithExtensionTest.class.getResourceAsStream(FOO_OUT_FILE2);
        final StringBuffer origFooOutContent = new StringBuffer();
        final BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(origFooOutIS));
        String line = null;
        while ((line = bufferedReader.readLine()) != null) {
            origFooOutContent.append(line);
        }
        assertEquals(origFooOutContent.toString(), resultStr);
    }

}