/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* 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
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.axiom.ts.om.builder;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import javax.xml.stream.XMLStreamReader;
import org.apache.axiom.om.OMMetaFactory;
import org.apache.axiom.om.OMXMLBuilderFactory;
import org.apache.axiom.om.OMXMLParserWrapper;
import org.apache.axiom.om.util.StAXUtils;
import org.apache.axiom.testutils.InvocationCounter;
import org.apache.axiom.testutils.io.ExceptionInputStream;
import org.apache.axiom.ts.AxiomTestCase;
/**
* Test the behavior of the builder when an exception is thrown by
* {@link XMLStreamReader#getText()}. The test is only effective if the StAX
* implementation lazily loads the character data for a
* {@link javax.xml.stream.XMLStreamConstants#CHARACTERS} event. This is the
* case for Woodstox. It checks that after the exception is thrown by the
* parser, the builder no longer attempts to access the parser.
*/
public class TestIOExceptionInGetText extends AxiomTestCase {
public TestIOExceptionInGetText(OMMetaFactory metaFactory) {
super(metaFactory);
}
protected void runTest() throws Throwable {
// Construct a stream that will throw an exception in the middle of a text node.
// We need to create a very large document, because some parsers (such as some
// versions of XLXP) have a large input buffer and would throw an exception already
// when the XMLStreamReader is created.
StringBuffer xml = new StringBuffer("<root>");
for (int i=0; i<100000; i++) {
xml.append('x');
}
InputStream in = new ExceptionInputStream(new ByteArrayInputStream(xml.toString().getBytes("ASCII")));
XMLStreamReader originalReader = StAXUtils.createXMLStreamReader(in);
InvocationCounter invocationCounter = new InvocationCounter();
XMLStreamReader reader = (XMLStreamReader)invocationCounter.createProxy(originalReader);
OMXMLParserWrapper builder = OMXMLBuilderFactory.createStAXOMBuilder(metaFactory.getOMFactory(), reader);
try {
while (true) {
builder.next();
}
} catch (Exception ex) {
// Expected
}
assertTrue(invocationCounter.getInvocationCount() > 0);
invocationCounter.reset();
Exception exception;
try {
builder.next();
exception = null;
} catch (Exception ex) {
exception = ex;
}
if (exception == null) {
fail("Expected exception");
}
assertEquals(0, invocationCounter.getInvocationCount());
}
}