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Fix bug #56164 - Tidy up the OPC SAX setup code with a new common Helper 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1569991 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2014-02-19 23:54:46 +00:00
parent 8afdb7a9ce
commit d72bd78c19
5 changed files with 88 additions and 25 deletions
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6
src/ooxml/java/org/apache/poi/openxml4j/opc/PackageRelationshipCollection.java
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@ -26,10 +26,10 @@ import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.openxml4j.exceptions.InvalidOperationException;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
import org.apache.poi.util.SAXHelper;
import org.dom4j.Attribute;
import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
/**
* Represents a collection of PackageRelationship elements that are owned by a
@ -309,10 +309,8 @@ public final class PackageRelationshipCollection implements
private void parseRelationshipsPart(PackagePart relPart)
throws InvalidFormatException {
try {
SAXReader reader = new SAXReader();
logger.log(POILogger.DEBUG, "Parsing relationship: " + relPart.getPartName());
Document xmlRelationshipsDoc = reader
.read(relPart.getInputStream());
Document xmlRelationshipsDoc = SAXHelper.readSAXDocument(relPart.getInputStream());
// Browse default types
Element root = xmlRelationshipsDoc.getRootElement();

7
src/ooxml/java/org/apache/poi/openxml4j/opc/internal/ContentTypeManager.java
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@ -23,8 +23,8 @@ import java.net.URI;
import java.net.URISyntaxException;
import java.util.Iterator;
import java.util.List;
import java.util.TreeMap;
import java.util.Map.Entry;
import java.util.TreeMap;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.openxml4j.exceptions.InvalidOperationException;
@ -33,13 +33,13 @@ import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.openxml4j.opc.PackagePart;
import org.apache.poi.openxml4j.opc.PackagePartName;
import org.apache.poi.openxml4j.opc.PackagingURIHelper;
import org.apache.poi.util.SAXHelper;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.Namespace;
import org.dom4j.QName;
import org.dom4j.io.SAXReader;
/**
* Manage package content types ([Content_Types].xml part).
@ -373,8 +373,7 @@ public abstract class ContentTypeManager {
private void parseContentTypesFile(InputStream in)
throws InvalidFormatException {
try {
SAXReader xmlReader = new SAXReader();
Document xmlContentTypetDoc = xmlReader.read(in);
Document xmlContentTypetDoc = SAXHelper.readSAXDocument(in);
// Default content types
List defaultTypes = xmlContentTypetDoc.getRootElement().elements(

17
src/ooxml/java/org/apache/poi/openxml4j/opc/internal/unmarshallers/PackagePropertiesUnmarshaller.java
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@ -23,13 +23,6 @@ import java.util.Iterator;
import java.util.List;
import java.util.zip.ZipEntry;
import org.dom4j.Attribute;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.Namespace;
import org.dom4j.QName;
import org.dom4j.io.SAXReader;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.openxml4j.opc.PackageNamespaces;
import org.apache.poi.openxml4j.opc.PackagePart;
@ -38,6 +31,13 @@ import org.apache.poi.openxml4j.opc.ZipPackage;
import org.apache.poi.openxml4j.opc.internal.PackagePropertiesPart;
import org.apache.poi.openxml4j.opc.internal.PartUnmarshaller;
import org.apache.poi.openxml4j.opc.internal.ZipHelper;
import org.apache.poi.util.SAXHelper;
import org.dom4j.Attribute;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.Namespace;
import org.dom4j.QName;
/**
* Package properties unmarshaller.
@ -118,10 +118,9 @@ public final class PackagePropertiesUnmarshaller implements PartUnmarshaller {
"Error while trying to get the part input stream.");
}
SAXReader xmlReader = new SAXReader();
Document xmlDoc;
try {
xmlDoc = xmlReader.read(in);
xmlDoc = SAXHelper.readSAXDocument(in);
/* Check OPC compliance */

59
src/ooxml/java/org/apache/poi/util/SAXHelper.java Normal file
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@ -0,0 +1,59 @@
/* ====================================================================
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 java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.io.SAXReader;
import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
/**
* Provides handy methods for working with SAX parsers and readers
*/
public final class SAXHelper {
/**
* Creates a new SAX Reader, with sensible defaults
*/
public static SAXReader getSAXReader() {
SAXReader xmlReader = new SAXReader();
xmlReader.setEntityResolver(new EntityResolver() {
public InputSource resolveEntity(String publicId, String systemId)
throws SAXException, IOException {
return new InputSource(new StringReader(""));
}
});
return xmlReader;
}
/**
* Parses the given stream via the default (sensible)
* SAX Reader
* @param inp Stream to read the XML data from
* @return the SAX processed Document
*/
public static Document readSAXDocument(InputStream inp) throws DocumentException {
return getSAXReader().read(inp);
}
}

24
src/ooxml/testcases/org/apache/poi/openxml4j/opc/TestPackage.java
View File

@ -17,10 +17,19 @@
package org.apache.poi.openxml4j.opc;
import java.io.*;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.Field;
import java.net.URI;
import java.util.*;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.TreeMap;
import java.util.regex.Pattern;
import junit.framework.TestCase;
@ -31,15 +40,15 @@ import org.apache.poi.openxml4j.exceptions.InvalidOperationException;
import org.apache.poi.openxml4j.opc.internal.ContentTypeManager;
import org.apache.poi.openxml4j.opc.internal.FileHelper;
import org.apache.poi.openxml4j.opc.internal.PackagePropertiesPart;
import org.apache.poi.util.TempFile;
import org.apache.poi.util.POILogger;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
import org.apache.poi.util.SAXHelper;
import org.apache.poi.util.TempFile;
import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.Namespace;
import org.dom4j.QName;
import org.dom4j.io.SAXReader;
public final class TestPackage extends TestCase {
private static final POILogger logger = POILogFactory.getLogger(TestPackage.class);
@ -211,9 +220,8 @@ public final class TestPackage extends TestCase {
private void assertMSCompatibility(OPCPackage pkg) throws Exception {
PackagePartName relName = PackagingURIHelper.createPartName(PackageRelationship.getContainerPartRelationship());
PackagePart relPart = pkg.getPart(relName);
SAXReader reader = new SAXReader();
Document xmlRelationshipsDoc = reader
.read(relPart.getInputStream());
Document xmlRelationshipsDoc = SAXHelper.readSAXDocument(relPart.getInputStream());
Element root = xmlRelationshipsDoc.getRootElement();
for (Iterator i = root