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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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package org.apache.axiom.om.util;
import java.io.ByteArrayInputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.SequenceInputStream;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;
import java.nio.charset.Charset;
import java.util.Vector;
import javax.activation.DataSource;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
import junit.framework.TestCase;
import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMSourcedElement;
import org.apache.axiom.om.OMXMLBuilderFactory;
import org.apache.axiom.om.ds.WrappedTextNodeOMDataSourceFromDataSource;
import org.apache.axiom.om.impl.llom.OMSourcedElementImpl;
import org.apache.axiom.om.util.AXIOMUtil;
import org.apache.axiom.om.util.ElementHelper;
import org.apache.axiom.testutils.activation.RandomDataSource;
import org.apache.axiom.testutils.io.CharacterStreamComparator;
import org.apache.axiom.testutils.io.IOTestUtils;
import org.apache.commons.io.IOUtils;
public class ElementHelperTest extends TestCase {
public void testGetTextAsStreamWithSingleTextNode() throws Exception {
OMFactory factory = OMAbstractFactory.getOMFactory();
OMElement element = factory.createOMElement(new QName("a"));
factory.createOMText(element, "test");
Reader in = ElementHelper.getTextAsStream(element, true);
assertTrue(in instanceof StringReader);
assertEquals(element.getText(), IOUtils.toString(in));
}
public void testGetTextAsStreamWithNonTextChildren() throws Exception {
OMElement element = AXIOMUtil.stringToOM("<a>A<b>B</b>C</a>");
Reader in = ElementHelper.getTextAsStream(element, true);
assertEquals(element.getText(), IOUtils.toString(in));
}
public void testGetTextAsStreamWithOMSourcedElement() throws Exception {
OMFactory factory = OMAbstractFactory.getOMFactory();
DataSource ds = new RandomDataSource(445566, 32, 128, 20000000);
QName qname = new QName("a");
Charset cs = Charset.forName("ascii");
OMSourcedElement element = new OMSourcedElementImpl(qname, factory,
new WrappedTextNodeOMDataSourceFromDataSource(qname, ds, cs));
Reader in = ElementHelper.getTextAsStream(element, true);
assertFalse(in instanceof StringReader);
IOTestUtils.compareStreams(new InputStreamReader(ds.getInputStream(), cs), in);
}
public void testGetTextAsStreamWithoutCaching() throws Exception {
XMLInputFactory factory = XMLInputFactory.newInstance();
if (factory.getClass().getName().equals("com.bea.xml.stream.MXParserFactory")) {
// Skip the test on the StAX reference implementation because it
// causes an out of memory error
return;
}
DataSource ds = new RandomDataSource(654321, 64, 128, 20000000);
Vector/*<InputStream>*/ v = new Vector/*<InputStream>*/();
v.add(new ByteArrayInputStream("<a>".getBytes("ascii")));
v.add(ds.getInputStream());
v.add(new ByteArrayInputStream("</a>".getBytes("ascii")));
factory.setProperty(XMLInputFactory.IS_COALESCING, Boolean.FALSE);
XMLStreamReader reader = factory.createXMLStreamReader(
new SequenceInputStream(v.elements()), "ascii");
OMElement element = OMXMLBuilderFactory.createStAXOMBuilder(reader).getDocumentElement();
Reader in = ElementHelper.getTextAsStream(element, false);
IOTestUtils.compareStreams(new InputStreamReader(ds.getInputStream(), "ascii"), in);
}
public void testWriteTextTo() throws Exception {
OMFactory factory = OMAbstractFactory.getOMFactory();
OMElement element = factory.createOMElement(new QName("a"));
factory.createOMText(element, "test");
StringWriter out = new StringWriter();
ElementHelper.writeTextTo(element, out, true);
assertEquals(element.getText(), out.toString());
}
public void testWriteTextToWithNonTextNodes() throws Exception {
OMElement element = AXIOMUtil.stringToOM("<a>A<b>B</b>C</a>");
StringWriter out = new StringWriter();
ElementHelper.writeTextTo(element, out, true);
assertEquals(element.getText(), out.toString());
}
public void testWriteTextToWithOMSourcedElement() throws Exception {
OMFactory factory = OMAbstractFactory.getOMFactory();
DataSource ds = new RandomDataSource(665544, 32, 128, 20000000);
QName qname = new QName("a");
OMSourcedElement element = new OMSourcedElementImpl(qname, factory,
new WrappedTextNodeOMDataSourceFromDataSource(qname, ds, Charset.forName("ascii")));
Reader in = new InputStreamReader(ds.getInputStream(), "ascii");
Writer out = new CharacterStreamComparator(in);
ElementHelper.writeTextTo(element, out, true); // cache doesn't matter here
out.close();
}
}