expand StaxHelper

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1799772 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
PJ Fanning 2017-06-24 13:53:47 +00:00
parent 68ea3a9254
commit 3f4267c3bc
2 changed files with 92 additions and 0 deletions

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@ -17,7 +17,9 @@
package org.apache.poi.util;
import javax.xml.stream.XMLEventFactory;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLOutputFactory;
/**
@ -39,6 +41,22 @@ public final class StaxHelper {
trySetProperty(factory, XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
return factory;
}
/**
* Creates a new StAX XMLOutputFactory, with sensible defaults
*/
public static XMLOutputFactory newXMLOutputFactory() {
XMLOutputFactory factory = XMLOutputFactory.newFactory();
trySetProperty(factory, XMLOutputFactory.IS_REPAIRING_NAMESPACES, true);
return factory;
}
/**
* Creates a new StAX XMLEventFactory, with sensible defaults
*/
public static XMLEventFactory newXMLEventFactory() {
return XMLEventFactory.newFactory();
}
private static void trySetProperty(XMLInputFactory factory, String feature, boolean flag) {
try {
@ -49,4 +67,14 @@ public final class StaxHelper {
logger.log(POILogger.WARN, "Cannot set StAX property because outdated StAX parser in classpath", feature, ame);
}
}
private static void trySetProperty(XMLOutputFactory factory, String feature, boolean flag) {
try {
factory.setProperty(feature, flag);
} catch (Exception e) {
logger.log(POILogger.WARN, "StAX Property unsupported", feature, e);
} catch (AbstractMethodError ame) {
logger.log(POILogger.WARN, "Cannot set StAX property because outdated StAX parser in classpath", feature, ame);
}
}
}

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@ -0,0 +1,64 @@
/* ====================================================================
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.poi.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamException;
import org.junit.Test;
/**
* Unit test for StaxHelper
*/
public class TestStaxHelper {
/**
* test that newXMLInputFactory returns a factory with sensible defaults
*/
@Test
public void testNewXMLInputFactory() throws XMLStreamException {
XMLInputFactory factory = StaxHelper.newXMLInputFactory();
assertEquals(true, factory.getProperty(XMLInputFactory.IS_NAMESPACE_AWARE));
assertEquals(false, factory.getProperty(XMLInputFactory.IS_VALIDATING));
assertEquals(false, factory.getProperty(XMLInputFactory.SUPPORT_DTD));
assertEquals(false, factory.getProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES));
}
/**
* test that newXMLOutputFactory returns a factory with sensible defaults
*/
@Test
public void testNewXMLOutputFactory() {
XMLOutputFactory factory = StaxHelper.newXMLOutputFactory();
assertEquals(true, factory.getProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES));
}
/**
* test that newXMLEventFactory returns a factory
*/
@Test
public void testNewXMLEventFactory() {
assertNotNull(StaxHelper.newXMLEventFactory());
}
}