/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* 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.apache.commons.betwixt.strategy;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;
import junit.framework.TestCase;
import org.apache.commons.betwixt.XMLIntrospector;
import org.apache.commons.betwixt.io.BeanReader;
import org.apache.commons.betwixt.io.BeanWriter;
/**
* Tests streaming/destreaming of an <code>Elements</code> bean,
* a container for <code>Element</code> instances, using various name mappers
* The objective of this is to verify that containers whose names
* are plurals of their contents can be written and read back successfully.
*
* @author <a href="mailto:tima@intalio.com">Tim Anderson</a>
*/
public class TestElementsIO extends TestCase {
// private SimpleLog testLog;
public TestElementsIO(String name) {
super(name);
// testLog = new SimpleLog("[TextElementsIO]");
// testLog.setLevel(SimpleLog.LOG_LEVEL_TRACE);
}
public void testCapitalizeNameMapper() throws Exception {
// testLog.debug("Testing capitalize name mapper");
doTest(new CapitalizeNameMapper(), "capitalize name mapper");
}
public void testDecapitalizeNameMapper() throws Exception {
// testLog.debug("Testing decapitalize name mapper");
doTest(new DecapitalizeNameMapper(), "decapitalize name mapper");
}
public void testDefaultElementMapper() throws Exception {
// testLog.debug("Testing default name mapper");
doTest(new DefaultNameMapper(), "default name mapper");
}
public void testHyphenatedNameMapper() throws Exception {
// testLog.debug("Testing hyphenated name mapper");
doTest(new HyphenatedNameMapper(), "hyphenated name mapper");
}
private void doTest(NameMapper mapper, String testName) throws Exception {
Elements elements = new Elements();
elements.addElement(new Element("a"));
elements.addElement(new Element("b"));
elements.addElement(new Element("c"));
StringWriter out = new StringWriter();
BeanWriter writer = newBeanWriter(out, mapper);
writer.setWriteEmptyElements(true);
writer.write(elements);
writer.flush();
String xmlOut = out.toString();
// testLog.debug(xmlOut);
StringReader in = new StringReader(xmlOut);
// SimpleLog log = new SimpleLog("[TextElementsIO:BeanReader]");
// log.setLevel(SimpleLog.LOG_LEVEL_TRACE);
BeanReader reader = new BeanReader();
// reader.setLog(log);
// log = new SimpleLog("[TextElementsIO:BeanReader]");
// log.setLevel(SimpleLog.LOG_LEVEL_TRACE);
// BeanCreateRule.setLog(log);
reader.setXMLIntrospector(newXMLIntrospector(mapper));
reader.registerBeanClass(Elements.class);
Elements result = (Elements) reader.parse(in);
assertNotNull("Element 'a' is null (" + testName + ")", result.getElement("a"));
assertNotNull("Element 'b' is null (" + testName + ")", result.getElement("b"));
assertNotNull("Element 'c' is null (" + testName + ")", result.getElement("c"));
}
private BeanWriter newBeanWriter(Writer writer, NameMapper mapper) {
// SimpleLog log = new SimpleLog("[TextElementsIO:BeanWriter]");
// log.setLevel(SimpleLog.LOG_LEVEL_TRACE);
BeanWriter result = new BeanWriter(writer);
result.setWriteEmptyElements(true);
// result.setLog(log);
// log = new SimpleLog("[TextElementsIO:AbstractBeanWriter]");
// log.setLevel(SimpleLog.LOG_LEVEL_TRACE);
// result.setAbstractBeanWriterLog(log);
result.setXMLIntrospector(newXMLIntrospector(mapper));
result.enablePrettyPrint();
result.setWriteIDs(false);
return result;
}
private XMLIntrospector newXMLIntrospector(NameMapper mapper) {
XMLIntrospector introspector = new XMLIntrospector();
introspector.setAttributesForPrimitives(true);
introspector.setWrapCollectionsInElement(false);
introspector.setElementNameMapper(mapper);
return introspector;
}
}