Apache/poi
1
0
Fork 0
mirror of https://github.com/apache/poi.git synced 2025-02-06 10:08:17 +00:00
Code Issues Packages Projects Releases Wiki Activity

add XPathHelper

Browse Source 
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1867497 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
PJ Fanning 2019-09-24 21:06:04 +00:00
parent 780b078c85
commit 3d3c846558
3 changed files with 55 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
src/ooxml/java/org/apache/poi/ooxml/util/XPathHelper.java Normal file
View File

@ -0,0 +1,49 @@
/* ====================================================================
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.ooxml.util;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
import javax.xml.XMLConstants;
import javax.xml.xpath.XPathFactory;
public final class XPathHelper {
private static POILogger logger = POILogFactory.getLogger(XPathHelper.class);
private XPathHelper() {}
static final XPathFactory xpathFactory = XPathFactory.newInstance();
static {
trySetFeature(xpathFactory, XMLConstants.FEATURE_SECURE_PROCESSING, true);
}
public static XPathFactory getFactory() {
return xpathFactory;
}
private static void trySetFeature(XPathFactory xpf, String feature, boolean enabled) {
try {
xpf.setFeature(feature, enabled);
} catch (Exception e) {
logger.log(POILogger.WARN, "XPathFactory Feature unsupported", feature, e);
} catch (AbstractMethodError ame) {
logger.log(POILogger.WARN, "Cannot set XPathFactory feature because outdated XML parser in classpath", feature, ame);
}
}
}

6
src/ooxml/java/org/apache/poi/poifs/crypt/dsig/SignaturePart.java
View File

@ -38,10 +38,10 @@ import javax.xml.namespace.NamespaceContext;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;
import org.apache.poi.EncryptedDocumentException;
import org.apache.poi.ooxml.util.DocumentHelper;
import org.apache.poi.ooxml.util.XPathHelper;
import org.apache.poi.openxml4j.opc.PackagePart;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
@ -107,7 +107,7 @@ public class SignaturePart {
*/
public boolean validate() {
KeyInfoKeySelector keySelector = new KeyInfoKeySelector();
XPath xpath = XPathFactory.newInstance().newXPath();
XPath xpath = XPathHelper.getFactory().newXPath();
xpath.setNamespaceContext(new XPathNSContext());
try {
@ -165,7 +165,7 @@ public class SignaturePart {
signatureConfig.setSigningCertificateChain(certChain);
signatureConfig.setSignatureMethodFromUri(xmlSignature.getSignedInfo().getSignatureMethod().getAlgorithm());
final XPath xpath = XPathFactory.newInstance().newXPath();
final XPath xpath = XPathHelper.getFactory().newXPath();
xpath.setNamespaceContext(new XPathNSContext());
final Map<String,Consumer<String>> m = new HashMap();

6
src/ooxml/java/org/apache/poi/xssf/extractor/XSSFImportFromXML.java
View File

@ -34,8 +34,8 @@ import javax.xml.parsers.DocumentBuilder;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;
import org.apache.poi.ooxml.util.XPathHelper;
import org.apache.poi.ss.usermodel.DateUtil;
import org.apache.poi.ss.util.CellReference;
import org.apache.poi.ooxml.util.DocumentHelper;
@ -95,8 +95,7 @@ public class XSSFImportFromXML {
List<XSSFTable> tables = _map.getRelatedTables();
XPathFactory xpathFactory = XPathFactory.newInstance();
XPath xpath = xpathFactory.newXPath();
XPath xpath = XPathHelper.getFactory().newXPath();
// Setting namespace context to XPath
// Assuming that the namespace prefix in the mapping xpath is the
@ -305,4 +304,5 @@ public class XSSFImportFromXML {
return null;
}
}
}