Rather than having lots of classes all create their own XML DocumentBuilderFactory instance, push that logic to a helper which sets all the right defaults

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1587739 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2014-04-15 21:59:52 +00:00
parent 9cc498fa5c
commit 3c3e164a50
14 changed files with 83 additions and 41 deletions

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@ -34,6 +34,7 @@ import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import org.apache.poi.util.XMLHelper;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
@ -76,8 +77,7 @@ public class RecordGenerator {
)
) {
// Get record name and package
DocumentBuilderFactory factory =
DocumentBuilderFactory.newInstance();
DocumentBuilderFactory factory = XMLHelper.getDocumentBuilderFactory();
DocumentBuilder builder = factory.newDocumentBuilder();
Document document = builder.parse(file);
Element record = document.getDocumentElement();

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@ -0,0 +1,48 @@
/* ====================================================================
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 javax.xml.XMLConstants;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
/**
* Helper methods for working with javax.xml classes.
* @see SAXHelper
*/
public final class XMLHelper
{
/**
* Creates a new DocumentBuilderFactory, with sensible defaults
*/
public static DocumentBuilderFactory getDocumentBuilderFactory() {
try {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setXIncludeAware(false);
factory.setExpandEntityReferences(false);
factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
factory.setFeature("http://xml.org/sax/features/external-general-entities", false);
factory.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
factory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
factory.setFeature("http://apache.org/xml/features/nonvalidating/load-dtd-grammar", false);
return factory;
} catch (ParserConfigurationException e) {
throw new RuntimeException("Broken XML Setup", e);
}
}
}

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@ -45,6 +45,7 @@ import javax.xml.validation.Validator;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.DateUtil;
import org.apache.poi.util.XMLHelper;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFMap;
import org.apache.poi.xssf.usermodel.XSSFRow;
@ -107,7 +108,7 @@ public class XSSFExportToXml implements Comparator<String>{
private Document getEmptyDocument() throws ParserConfigurationException{
DocumentBuilderFactory dbfac = DocumentBuilderFactory.newInstance();
DocumentBuilderFactory dbfac = XMLHelper.getDocumentBuilderFactory();
DocumentBuilder docBuilder = dbfac.newDocumentBuilder();
Document doc = docBuilder.newDocument();

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@ -33,10 +33,11 @@ import javax.xml.xpath.XPathFactory;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
import org.apache.poi.xssf.usermodel.XSSFTable;
import org.apache.poi.util.XMLHelper;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFMap;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFTable;
import org.apache.poi.xssf.usermodel.helpers.XSSFSingleXmlCell;
import org.apache.poi.xssf.usermodel.helpers.XSSFXmlColumnPr;
import org.w3c.dom.Document;
@ -77,7 +78,7 @@ public class XSSFImportFromXML {
*/
public void importFromXML(String xmlInputString) throws SAXException, XPathExpressionException, ParserConfigurationException, IOException {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilderFactory factory = XMLHelper.getDocumentBuilderFactory();
factory.setNamespaceAware(true);
DocumentBuilder builder = factory.newDocumentBuilder();

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@ -34,6 +34,7 @@ import org.apache.poi.POIXMLDocumentPart;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.util.XMLHelper;
import org.apache.poi.xssf.XSSFTestDataSamples;
import org.apache.poi.xssf.model.MapInfo;
import org.apache.poi.xssf.usermodel.XSSFCell;
@ -472,7 +473,7 @@ public final class TestXSSFExportToXML extends TestCase {
}
private void parseXML(String xmlData) throws IOException, SAXException, ParserConfigurationException {
DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilderFactory docBuilderFactory = XMLHelper.getDocumentBuilderFactory();
docBuilderFactory.setNamespaceAware(true);
docBuilderFactory.setValidating(false);
DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();

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@ -21,7 +21,6 @@ import java.io.FileWriter;
import java.util.ArrayList;
import java.util.List;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
@ -45,6 +44,7 @@ import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.util.Beta;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
import org.apache.poi.util.XMLHelper;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Text;
@ -122,7 +122,7 @@ public class ExcelToFoConverter extends AbstractExcelConverter
{
final HSSFWorkbook workbook = ExcelToFoUtils.loadXls( xlsFile );
ExcelToFoConverter excelToHtmlConverter = new ExcelToFoConverter(
DocumentBuilderFactory.newInstance().newDocumentBuilder()
XMLHelper.getDocumentBuilderFactory().newDocumentBuilder()
.newDocument() );
excelToHtmlConverter.processWorkbook( workbook );
return excelToHtmlConverter.getDocument();

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@ -23,7 +23,6 @@ import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
@ -45,6 +44,7 @@ import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.util.Beta;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
import org.apache.poi.util.XMLHelper;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Text;
@ -115,7 +115,7 @@ public class ExcelToHtmlConverter extends AbstractExcelConverter
{
final HSSFWorkbook workbook = ExcelToHtmlUtils.loadXls( xlsFile );
ExcelToHtmlConverter excelToHtmlConverter = new ExcelToHtmlConverter(
DocumentBuilderFactory.newInstance().newDocumentBuilder()
XMLHelper.getDocumentBuilderFactory().newDocumentBuilder()
.newDocument() );
excelToHtmlConverter.processWorkbook( workbook );
return excelToHtmlConverter.getDocument();

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@ -24,7 +24,6 @@ import java.util.List;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
@ -48,6 +47,7 @@ import org.apache.poi.hwpf.usermodel.TableRow;
import org.apache.poi.util.Beta;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
import org.apache.poi.util.XMLHelper;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
@ -109,7 +109,7 @@ public class WordToFoConverter extends AbstractWordConverter
{
final HWPFDocumentCore hwpfDocument = WordToFoUtils.loadDoc( docFile );
WordToFoConverter wordToFoConverter = new WordToFoConverter(
DocumentBuilderFactory.newInstance().newDocumentBuilder()
XMLHelper.getDocumentBuilderFactory().newDocumentBuilder()
.newDocument() );
wordToFoConverter.processDocument( hwpfDocument );
return wordToFoConverter.getDocument();

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@ -16,12 +16,13 @@
==================================================================== */
package org.apache.poi.hwpf.converter;
import static org.apache.poi.hwpf.converter.AbstractWordUtils.TWIPS_PER_INCH;
import java.io.File;
import java.io.FileWriter;
import java.util.List;
import java.util.Stack;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
@ -45,12 +46,11 @@ import org.apache.poi.hwpf.usermodel.TableRow;
import org.apache.poi.util.Beta;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
import org.apache.poi.util.XMLHelper;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Text;
import static org.apache.poi.hwpf.converter.AbstractWordUtils.TWIPS_PER_INCH;
/**
* Converts Word files (95-2007) into HTML files.
* <p>
@ -157,7 +157,7 @@ public class WordToHtmlConverter extends AbstractWordConverter
{
final HWPFDocumentCore wordDocument = WordToHtmlUtils.loadDoc( docFile );
WordToHtmlConverter wordToHtmlConverter = new WordToHtmlConverter(
DocumentBuilderFactory.newInstance().newDocumentBuilder()
XMLHelper.getDocumentBuilderFactory().newDocumentBuilder()
.newDocument() );
wordToHtmlConverter.processDocument( wordDocument );
return wordToHtmlConverter.getDocument();

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@ -50,6 +50,7 @@ import org.apache.poi.poifs.filesystem.Entry;
import org.apache.poi.util.Beta;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
import org.apache.poi.util.XMLHelper;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
@ -76,8 +77,7 @@ public class WordToTextConverter extends AbstractWordConverter
throws Exception
{
WordToTextConverter wordToTextConverter = new WordToTextConverter(
DocumentBuilderFactory.newInstance().newDocumentBuilder()
.newDocument() );
XMLHelper.getDocumentBuilderFactory().newDocumentBuilder().newDocument() );
wordToTextConverter.processDocument( wordDocument );
return wordToTextConverter.getText();
}
@ -130,8 +130,7 @@ public class WordToTextConverter extends AbstractWordConverter
final HWPFDocumentCore wordDocument = AbstractWordUtils
.loadDoc( docFile );
WordToTextConverter wordToTextConverter = new WordToTextConverter(
DocumentBuilderFactory.newInstance().newDocumentBuilder()
.newDocument() );
XMLHelper.getDocumentBuilderFactory().newDocumentBuilder().newDocument() );
wordToTextConverter.processDocument( wordDocument );
return wordToTextConverter.getDocument();
}

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@ -22,7 +22,6 @@ import java.io.StringWriter;
import java.util.Arrays;
import java.util.List;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
@ -35,6 +34,7 @@ import junit.framework.TestSuite;
import org.apache.poi.POIDataSamples;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.util.XMLHelper;
public class TestExcelConverterSuite
{
@ -96,8 +96,7 @@ public class TestExcelConverterSuite
}
ExcelToHtmlConverter excelToHtmlConverter = new ExcelToHtmlConverter(
DocumentBuilderFactory.newInstance().newDocumentBuilder()
.newDocument() );
XMLHelper.getDocumentBuilderFactory().newDocumentBuilder().newDocument() );
excelToHtmlConverter.processWorkbook( workbook );
StringWriter stringWriter = new StringWriter();
@ -126,8 +125,7 @@ public class TestExcelConverterSuite
}
ExcelToHtmlConverter excelToHtmlConverter = new ExcelToHtmlConverter(
DocumentBuilderFactory.newInstance().newDocumentBuilder()
.newDocument() );
XMLHelper.getDocumentBuilderFactory().newDocumentBuilder().newDocument() );
excelToHtmlConverter.processWorkbook( workbook );
StringWriter stringWriter = new StringWriter();

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@ -22,7 +22,6 @@ import java.io.StringWriter;
import java.util.Arrays;
import java.util.List;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
@ -32,8 +31,10 @@ import javax.xml.transform.stream.StreamResult;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.apache.poi.POIDataSamples;
import org.apache.poi.hwpf.HWPFDocumentCore;
import org.apache.poi.util.XMLHelper;
public class TestWordToConverterSuite
{
@ -100,8 +101,7 @@ public class TestWordToConverterSuite
}
WordToFoConverter wordToFoConverter = new WordToFoConverter(
DocumentBuilderFactory.newInstance().newDocumentBuilder()
.newDocument() );
XMLHelper.getDocumentBuilderFactory().newDocumentBuilder().newDocument() );
wordToFoConverter.processDocument( hwpfDocument );
StringWriter stringWriter = new StringWriter();
@ -130,8 +130,7 @@ public class TestWordToConverterSuite
}
WordToHtmlConverter wordToHtmlConverter = new WordToHtmlConverter(
DocumentBuilderFactory.newInstance().newDocumentBuilder()
.newDocument() );
XMLHelper.getDocumentBuilderFactory().newDocumentBuilder().newDocument() );
wordToHtmlConverter.processDocument( hwpfDocument );
StringWriter stringWriter = new StringWriter();
@ -161,8 +160,7 @@ public class TestWordToConverterSuite
}
WordToTextConverter wordToTextConverter = new WordToTextConverter(
DocumentBuilderFactory.newInstance().newDocumentBuilder()
.newDocument() );
XMLHelper.getDocumentBuilderFactory().newDocumentBuilder().newDocument() );
wordToTextConverter.processDocument( wordDocument );
StringWriter stringWriter = new StringWriter();

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@ -20,7 +20,6 @@ package org.apache.poi.hwpf.converter;
import java.io.StringWriter;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
@ -30,6 +29,7 @@ import javax.xml.transform.stream.StreamResult;
import org.apache.poi.POIDataSamples;
import org.apache.poi.POITestCase;
import org.apache.poi.hwpf.HWPFDocument;
import org.apache.poi.util.XMLHelper;
/**
* Test cases for {@link WordToFoConverter}
@ -43,8 +43,7 @@ public class TestWordToFoConverter extends POITestCase
.getDocumentInstance().openResourceAsStream( sampleFileName ) );
WordToFoConverter wordToFoConverter = new WordToFoConverter(
DocumentBuilderFactory.newInstance().newDocumentBuilder()
.newDocument() );
XMLHelper.getDocumentBuilderFactory().newDocumentBuilder().newDocument() );
wordToFoConverter.processDocument( hwpfDocument );
StringWriter stringWriter = new StringWriter();

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@ -18,19 +18,17 @@ package org.apache.poi.hwpf.converter;
import java.io.StringWriter;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import junit.framework.TestCase;
import org.apache.poi.POIDataSamples;
import org.apache.poi.POITestCase;
import org.apache.poi.hwpf.HWPFDocument;
import org.apache.poi.hwpf.usermodel.PictureType;
import org.apache.poi.util.XMLHelper;
import org.w3c.dom.Document;
/**
@ -50,8 +48,7 @@ public class TestWordToHtmlConverter extends POITestCase
HWPFDocument hwpfDocument = new HWPFDocument( POIDataSamples
.getDocumentInstance().openResourceAsStream( sampleFileName ) );
Document newDocument = DocumentBuilderFactory.newInstance()
.newDocumentBuilder().newDocument();
Document newDocument = XMLHelper.getDocumentBuilderFactory().newDocumentBuilder().newDocument();
WordToHtmlConverter wordToHtmlConverter = new WordToHtmlConverter(
newDocument );