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docx4j is a library which helps you to work with the Office Open
XML file format as used in docx
documents, pptx presentations, and xlsx spreadsheets.
/*
* Copyright 2007-2008, Plutext Pty Ltd.
*
* This file is part of docx4j.
docx4j is licensed 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.docx4j;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.StringReader;
import java.io.StringWriter;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import javax.xml.bind.Binder;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.UnmarshalException;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.util.JAXBResult;
import javax.xml.bind.util.JAXBSource;
import javax.xml.crypto.dsig.CanonicalizationMethod;
import javax.xml.namespace.NamespaceContext;
import javax.xml.namespace.QName;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.transform.ErrorListener;
import javax.xml.transform.Templates;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stax.StAXSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpressionException;
import org.apache.commons.io.IOUtils;
import org.docx4j.jaxb.Context;
import org.docx4j.jaxb.JAXBAssociation;
import org.docx4j.jaxb.JaxbValidationEventHandler;
import org.docx4j.jaxb.McIgnorableNamespaceDeclarator;
import org.docx4j.jaxb.NamespacePrefixMapperUtils;
import org.docx4j.jaxb.NamespacePrefixMappings;
import org.docx4j.jaxb.XPathBinderAssociationIsPartialException;
import org.docx4j.openpackaging.exceptions.Docx4JException;
import org.docx4j.openpackaging.parts.JaxbXmlPart;
import org.docx4j.org.apache.xml.security.Init;
import org.docx4j.org.apache.xml.security.c14n.CanonicalizationException;
import org.docx4j.org.apache.xml.security.c14n.Canonicalizer;
import org.docx4j.org.apache.xml.security.c14n.InvalidCanonicalizerException;
import org.docx4j.utils.XPathFactoryUtil;
import org.docx4j.utils.XmlSerializerUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
public class XmlUtils {
private static Logger log = LoggerFactory.getLogger(XmlUtils.class);
// See http://www.edankert.com/jaxpimplementations.html for
// a helpful list.
public static String TRANSFORMER_FACTORY_PROCESSOR_XALAN = "org.docx4j.org.apache.xalan.processor.TransformerFactoryImpl";
// TRANSFORMER_FACTORY_PROCESSOR_SUN .. JDK/JRE does not include anything like com.sun.org.apache.xalan.TransformerFactoryImpl
// public static String TRANSFORMER_FACTORY_SAXON = "net.sf.saxon.TransformerFactoryImpl";
// *.xsltc.trax.TransformerImpl don't
// work with our extension functions in their current form.
//public static String TRANSFORMER_FACTORY_XSLTC_XALAN = "org.apache.xalan.xsltc.trax.TransformerFactoryImpl";
//public static String TRANSFORMER_FACTORY_XSLTC_SUN = "com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl";
private static javax.xml.transform.TransformerFactory transformerFactory;
/**
* @since 2.8.1
*/
public static TransformerFactory getTransformerFactory() {
return transformerFactory;
}
final private static DocumentBuilderFactory documentBuilderFactory;
/**
* @since 2.8.1
*
* TODO replace the various DocumentBuilderFactory.newInstance()
* throughout docx4j with a call to this.
*/
@Deprecated
public static DocumentBuilderFactory getDocumentBuilderFactory() {
return documentBuilderFactory;
}
/**
* Use the suitably configured DocumentBuilderFactory to provide
* a new instance of DocumentBuilder. Remember that DocumentBuilder is not thread-safe!
* @return
* @since 3.2.0
*/
public static DocumentBuilder getNewDocumentBuilder() {
synchronized (documentBuilderFactory) {
// see https://community.oracle.com/thread/1626108 for inconclusive discussion about whether a pool would be worthwhile
try {
return documentBuilderFactory.newDocumentBuilder();
} catch (ParserConfigurationException e) {
// Catch this, since its unlikely to happen
log.error(e.getMessage(), e);
return null;
}
}
}
static {
// JAXP factories
// javax.xml.transform.TransformerFactory
instantiateTransformerFactory();
log.debug( System.getProperty("java.vendor") );
log.debug( System.getProperty("java.version") );
// javax.xml.parsers.SAXParserFactory
String sp = Docx4jProperties.getProperty("javax.xml.parsers.SAXParserFactory");
if (sp!=null) {
System.setProperty("javax.xml.parsers.SAXParserFactory",sp);
log.info("setProperty " + sp + " (from docx4j.properties)");
} else if (Docx4jProperties.getProperty("docx4j.javax.xml.parsers.SAXParserFactory.donotset", false)) {
// Since 3.0.0
// Don't set docx4j.javax.xml.parsers.SAXParserFactory
log.info("Not setting docx4j.javax.xml.parsers.SAXParserFactory");
} else if ((System.getProperty("java.version").startsWith("1.6")
&& System.getProperty("java.vendor").startsWith("Sun"))
|| (System.getProperty("java.vendor").startsWith("Oracle"))
|| (System.getProperty("java.version").startsWith("1.7")
&& System.getProperty("java.vendor").startsWith("Jeroen")) // IKVM
) {
// Crimson fails to parse the HTML XSLT, so use Xerces ..
// .. this one is available in Java 6.
// System.out.println(System.getProperty("java.vendor"));
// System.out.println(System.getProperty("java.version"));
System.setProperty("javax.xml.parsers.SAXParserFactory",
"com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl");
log.info("setProperty com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl");
} else if ("org.apache.xerces.jaxp.SAXParserFactoryImpl"
.equals(System.getProperty("javax.xml.parsers.SAXParserFactory"))) {
log.info("xerces SAXParserFactory in use");
} else {
// In this case suggest you add and use Xerces
// System.setProperty("javax.xml.parsers.SAXParserFactory",
// "org.apache.xerces.jaxp.SAXParserFactoryImpl");
log.warn("default SAXParserFactory property : " + System.getProperty("javax.xml.parsers.SAXParserFactory" )
+ "\n Please consider using Xerces.");
}
log.info("actual: " + SAXParserFactory.newInstance().getClass().getName() );
// Note that we don't restore the value to its original setting (unlike TransformerFactory),
// since we want to avoid Crimson being used for the life of the application.
// javax.xml.parsers.DocumentBuilderFactory
String dbf = Docx4jProperties.getProperty("javax.xml.parsers.DocumentBuilderFactory");
if (dbf!=null) {
System.setProperty("javax.xml.parsers.DocumentBuilderFactory",dbf);
log.info("setProperty " + dbf + " (from docx4j.properties)");
} else if (Docx4jProperties.getProperty("docx4j.javax.xml.parsers.DocumentBuilderFactory.donotset", false)) {
// Since 3.0.0
// Don't set docx4j.javax.xml.parsers.DocumentBuilderFactory
log.info("Not setting docx4j.javax.xml.parsers.DocumentBuilderFactory");
} else if ((System.getProperty("java.version").startsWith("1.6")
&& System.getProperty("java.vendor").startsWith("Sun"))
|| (System.getProperty("java.vendor").startsWith("Oracle"))
|| (System.getProperty("java.version").startsWith("1.7")
&& System.getProperty("java.vendor").startsWith("Jeroen")) // IKVM
) {
// Crimson doesn't support setTextContent; this.writeDocument also fails.
// We've already worked around the problem with setTextContent,
// but rather than do the same for writeDocument,
// let's just stop using it.
System.setProperty("javax.xml.parsers.DocumentBuilderFactory",
"com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl");
log.info("setProperty com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl");
} else if ("org.apache.xerces.jaxp.DocumentBuilderFactoryImpl"
.equals(System.getProperty("javax.xml.parsers.DocumentBuilderFactory"))) {
log.info("xerces DocumentBuilderFactory in use");
} else {
// In this case suggest you add and use Xerces
// System.setProperty("javax.xml.parsers.DocumentBuilderFactory",
// "org.apache.xerces.jaxp.DocumentBuilderFactoryImpl");
// which is what we used to do in XmlPart.
log.warn("default DocumentBuilderFactory property: "
+ System.getProperty("javax.xml.parsers.DocumentBuilderFactory" )
+ "\n Please consider using Xerces.");
}
documentBuilderFactory = DocumentBuilderFactory.newInstance();
log.info("actual: " + documentBuilderFactory.getClass().getName());
documentBuilderFactory.setNamespaceAware(true);
// Note that we don't restore the value to its original setting (unlike TransformerFactory).
// Maybe we could, if docx4j always used this documentBuilderFactory.
try {
documentBuilderFactory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
} catch (ParserConfigurationException e) {
log.warn(e.getMessage());
StackTraceElement[] elements = e.getStackTrace();
if (elements.length>0) log.warn(elements[0].toString());
}
try {
documentBuilderFactory.setXIncludeAware(false);
} catch (Exception e) {
// org.apache.xerces.jaxp.DocumentBuilderFactoryImpl v2.6.2
// (which docx4j doesn't use by default)
// throws java.lang.UnsupportedOperationException
// Apparently can be fixed by upgrading to 2.9.1
log.warn(e.getMessage());
StackTraceElement[] elements = e.getStackTrace();
if (elements.length>0) log.warn(elements[0].toString());
}
try {
documentBuilderFactory.setExpandEntityReferences(false);
} catch (Exception e) {
log.warn(e.getMessage());
StackTraceElement[] elements = e.getStackTrace();
if (elements.length>0) log.warn(elements[0].toString());
}
try {
documentBuilderFactory.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
} catch (ParserConfigurationException e) {
log.warn(e.getMessage());
StackTraceElement[] elements = e.getStackTrace();
if (elements.length>0) log.warn(elements[0].toString());
}
try {
documentBuilderFactory.setFeature("http://xml.org/sax/features/external-general-entities", false);
} catch (ParserConfigurationException e) {
log.warn(e.getMessage());
StackTraceElement[] elements = e.getStackTrace();
if (elements.length>0) log.warn(elements[0].toString());
}
// try {
// documentBuilderFactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
// } catch (ParserConfigurationException e) { log.error(e.getMessage(), e); }
// see also https://svn.apache.org/repos/asf/shindig/trunk/java/common/src/main/java/org/apache/shindig/common/xml/XmlUtil.java
// for how Shindig does it
}
private static void instantiateTransformerFactory() {
// docx4j requires real Xalan
// See further docs/JAXP_TransformerFactory_XSLT_notes.txt
String originalSystemProperty = System.getProperty("javax.xml.transform.TransformerFactory");
try {
System.setProperty("javax.xml.transform.TransformerFactory",
TRANSFORMER_FACTORY_PROCESSOR_XALAN);
// TRANSFORMER_FACTORY_SAXON);
transformerFactory = javax.xml.transform.TransformerFactory
.newInstance();
// We've got our factory now, so set it back again!
if (originalSystemProperty == null) {
System.clearProperty("javax.xml.transform.TransformerFactory");
} else {
System.setProperty("javax.xml.transform.TransformerFactory",
originalSystemProperty);
}
} catch (javax.xml.transform.TransformerFactoryConfigurationError e) {
// Provider org.apache.xalan.processor.TransformerFactoryImpl not found
log.warn("Xalan jar missing from classpath; xslt not supported");
// so try using whatever TransformerFactory is available
if (originalSystemProperty == null) {
System.clearProperty("javax.xml.transform.TransformerFactory");
} else {
System.setProperty("javax.xml.transform.TransformerFactory",
originalSystemProperty);
}
transformerFactory = javax.xml.transform.TransformerFactory
.newInstance();
}
LoggingErrorListener errorListener = new LoggingErrorListener(false);
transformerFactory.setErrorListener(errorListener);
}
/**
* If an object is wrapped in a JAXBElement, return the object.
* Warning: be careful with this. If you are copying objects
* into your document (rather than just reading them), you'll
* probably want the object to remain wrapped (JAXB usually wraps them
* for a reason; without the wrapper, you'll (probably?) need an
* @XmlRootElement annotation in order to be able to marshall ie save your
* document).
*
* @param o
* @return
*/
public static Object unwrap(Object o) {
if (o==null) return null;
if (o instanceof javax.xml.bind.JAXBElement) {
log.debug("Unwrapped " + ((JAXBElement)o).getDeclaredType().getName() );
log.debug("name: " + ((JAXBElement)o).getName() );
return ((JAXBElement)o).getValue();
} else {
return o;
}
/*
* Interestingly, DocumentSettingsPart (settings.xml) gets unwrapped,
* and CTSettings does not have @XmlRootElement, but this does
* not cause a problem when it is marshalled.
*/
}
// public static Object unwrap(Object o, Class x) {
//
// if (o instanceof x) {
//
// }
// else if (o instanceof javax.xml.bind.JAXBElement) {
// log.debug("Unwrapped " + ((JAXBElement)o).getDeclaredType().getName() );
// return ((JAXBElement)o).getValue();
// } else {
// return o;
// }
// }
public static String JAXBElementDebug(javax.xml.bind.JAXBElement o) {
String prefix = null;
if (o.getName().getNamespaceURI()!=null) {
try {
prefix = NamespacePrefixMapperUtils.getPreferredPrefix(o.getName().getNamespaceURI(), null, false);
} catch (JAXBException e) {
e.printStackTrace();
}
}
if (prefix!=null) {
return prefix + ':' + o.getName().getLocalPart()
+ " is a javax.xml.bind.JAXBElement; it has declared type "
+ o.getDeclaredType().getName();
} else {
return o.getName() + " is a javax.xml.bind.JAXBElement; it has declared type "
+ o.getDeclaredType().getName();
}
}
/**
* @param list
* @param name
* @return
* @since 3.2.0
*/
public static JAXBElement getListItemByQName(List> list, QName name) {
for(JAXBElement el : list) {
if (el.getName().equals(name)) {
return el;
}
}
return null;
}
/** Unmarshal an InputStream as an object in the package org.docx4j.jaxb.document.
* Note: you should ensure you include a namespace declaration for w: and
* any other namespace in the xml string.
* Also, the object you are attempting to unmarshall to might need to
* have an @XmlRootElement annotation for things to work. */
public static Object unmarshal(InputStream is) throws JAXBException {
return unmarshal(is, Context.jc);
}
public static Object unmarshal(InputStream is, JAXBContext jc) throws JAXBException {
// Guard against XXE
XMLInputFactory xif = XMLInputFactory.newInstance();
xif.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
xif.setProperty(XMLInputFactory.SUPPORT_DTD, false); // a DTD is merely ignored, its presence doesn't cause an exception
XMLStreamReader xsr = null;
try {
xsr = xif.createXMLStreamReader(is);
} catch (XMLStreamException e) {
throw new JAXBException(e);
}
Object o = null;
Unmarshaller u = jc.createUnmarshaller();
JaxbValidationEventHandler eventHandler = new JaxbValidationEventHandler();
// if (is.markSupported()) {
// // Only fail hard if we know we can restart
// eventHandler.setContinue(false);
// }
u.setEventHandler(eventHandler);
try {
o = u.unmarshal( xsr );
return o;
} catch (UnmarshalException ue) {
if (ue.getLinkedException()!=null
&& ue.getLinkedException().getMessage().contains("entity")) {
/*
Caused by: javax.xml.stream.XMLStreamException: ParseError at [row,col]:[10,19]
Message: The entity "xxe" was referenced, but not declared.
at com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.next(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(Unknown Source)
*/
log.error(ue.getMessage(), ue);
throw ue;
}
if (is.markSupported() ) {
// When reading from zip, we use a ByteArrayInputStream,
// which does support this.
log.info("encountered unexpected content; pre-processing");
eventHandler.setContinue(true);
try {
Templates mcPreprocessorXslt = JaxbValidationEventHandler.getMcPreprocessor();
is.reset();
JAXBResult result = XmlUtils.prepareJAXBResult(jc);
// StreamSource(is) is vulnerable to XXE, so use StAXSource
// (mcPreprocessorXslt could be suitable for an XSLT 3.0 streaming transformation?)
xsr = xif.createXMLStreamReader(is);
// or alternatively:
// DocumentBuilder db = XmlUtils.getNewDocumentBuilder();
// Document document = db.parse(is);
XmlUtils.transform(new StAXSource(xsr), mcPreprocessorXslt, null, result);
return //XmlUtils.unwrap(
result.getResult() ;
} catch (Exception e) {
throw new JAXBException("Preprocessing exception", e);
}
} else {
log.error(ue.getMessage(), ue);
log.error(".. and mark not supported");
throw ue;
}
}
}
/** Unmarshal a String as an object in the package org.docx4j.jaxb.document.
* Note: you should ensure you include a namespace declaration for w: and
* any other namespace in the xml string.
* Also, the object you are attempting to unmarshall to might need to
* have an @XmlRootElement annotation for things to work. */
public static Object unmarshalString(String str) throws JAXBException {
return unmarshalString(str, Context.jc);
}
public static Object unmarshalString(String str, JAXBContext jc, Class declaredType) throws JAXBException {
Unmarshaller u = jc.createUnmarshaller();
u.setEventHandler(new org.docx4j.jaxb.JaxbValidationEventHandler());
// StreamSource(Reader reader) is vulnerable to XXE
// Object o = u.unmarshal( new javax.xml.transform.stream.StreamSource(new java.io.StringReader(str)),
// declaredType);
Object o;
try {
DocumentBuilder db = XmlUtils.getNewDocumentBuilder();
try (InputStream is = IOUtils.toInputStream(str, "UTF-8")) {
Document document = db.parse(is);
o = u.unmarshal( document, declaredType );
}
} catch (Exception e) {
throw new JAXBException(e);
}
if (o instanceof JAXBElement) {
return ((JAXBElement)o).getValue();
} else {
return o;
}
}
public static Object unmarshalString(String str, JAXBContext jc) throws JAXBException {
if (log.isDebugEnabled()) {
log.debug("Unmarshalling '" + str + "'");
// log.debug("using context '" + jc.getClass().getName() + "'"); // which JAXB implementation?
}
// Uncomment the following if you are being screwed by a byte order marker
str = str.trim().replaceFirst("^([\\W]+)<","<");
Unmarshaller u = jc.createUnmarshaller();
JaxbValidationEventHandler eventHandler = new JaxbValidationEventHandler();
u.setEventHandler(eventHandler);
Document document=null;
try {
// StreamSource(Reader reader) is vulnerable to XXE
// so use a dom doc instead.
// Here it has come from a string, so it hopefully isn't huge.
// And at least we can re-use it in the McPreprocessor case
// (compare XMLStreamReader, which we'd have to recreate
// xif.createXMLStreamReader(is) )
DocumentBuilder db = XmlUtils.getNewDocumentBuilder();
try (InputStream is = IOUtils.toInputStream(str, "UTF-8")) {
document = db.parse(is);
}
return u.unmarshal( document );
} catch (IOException e) {
throw new UnmarshalException(e);
} catch (UnmarshalException ue) {
// Old code
if (ue.getLinkedException()!=null
&& ue.getLinkedException().getMessage().contains("entity")) {
/*
Caused by: javax.xml.stream.XMLStreamException: ParseError at [row,col]:[10,19]
Message: The entity "xxe" was referenced, but not declared.
at com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.next(Unknown Source)
at com.sun.xml.internal.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(Unknown Source)
Note: com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0 doesn't configure
com.sun.org.apache.xerces.internal.parsers not to read DTD,
so SAXParseException will only occur if an entity is not declared.
*/
if (ue.getMessage()==null) {
log.error("entity parse exception", ue);
} else {
log.error(ue.getMessage(), ue);
}
throw ue;
}
log.info("encountered unexpected content; pre-processing");
eventHandler.setContinue(true);
try {
Templates mcPreprocessorXslt = JaxbValidationEventHandler.getMcPreprocessor();
JAXBResult result = XmlUtils.prepareJAXBResult(jc);
XmlUtils.transform(
document,
mcPreprocessorXslt, null, result);
return result.getResult();
} catch (Exception e) {
throw new JAXBException("Preprocessing exception", e);
}
} catch (SAXException e) {
throw new UnmarshalException(e);
}
}
/**
* Unmarshal a node using Context.jc, WITHOUT fallback to pre-processing in case of failure.
* @param n
* @return
* @throws JAXBException
*/
public static Object unmarshal(Node n) throws JAXBException {
Unmarshaller u = Context.jc.createUnmarshaller();
JaxbValidationEventHandler veh = new org.docx4j.jaxb.JaxbValidationEventHandler();
veh.setContinue(true);
u.setEventHandler(veh);
return u.unmarshal( n );
}
public static Object unmarshal(Node n, JAXBContext jc, Class declaredType) throws JAXBException {
// THIS DOESN"T WORK PROPERLY WITH 1.6.0.03 JAXB RI
// (at least with CTTextParagraphProperties in
// a Xalan org.apache.xml.dtm.ref.DTMNodeProxy)
// but converting the Node to a String and
// unmarshalling that is fine!
Unmarshaller u = jc.createUnmarshaller();
u.setEventHandler(new org.docx4j.jaxb.JaxbValidationEventHandler());
Object o = u.unmarshal(n,
declaredType);
if ( o instanceof javax.xml.bind.JAXBElement) {
return ((JAXBElement)o).getValue();
} else {
return o;
}
}
/**
* Give a string of wml containing ${key1}, ${key2}, return a suitable
* object.
*
* @param wmlTemplateString
* @param mappings
* @return
* @see JaxbXmlPart.variableReplace which can invoke this more efficiently
*/
public static Object unmarshallFromTemplate(String wmlTemplateString,
java.util.Map mappings) throws JAXBException {
return unmarshallFromTemplate(wmlTemplateString, mappings, Context.jc);
}
public static Object unmarshallFromTemplate(String wmlTemplateString,
java.util.Map mappings, JAXBContext jc) throws JAXBException {
String wmlString = replace(wmlTemplateString, new StringBuilder(), mappings).toString();
log.debug("Results of substitution: " + wmlString);
return unmarshalString(wmlString, jc);
}
public static Object unmarshallFromTemplate(String wmlTemplateString,
java.util.Map mappings, JAXBContext jc, Class declaredType) throws JAXBException {
String wmlString = replace(wmlTemplateString, new StringBuilder(), mappings).toString();
return unmarshalString(wmlString, jc, declaredType);
}
private static StringBuilder replace(String wmlTemplateString, StringBuilder strB,
java.util.Map mappings) {
int offset = 0;
while (true) {
int startKey = wmlTemplateString.indexOf("${", offset);
if (startKey == -1)
return strB.append(wmlTemplateString.substring(offset));
else {
strB.append(wmlTemplateString.substring(offset, startKey));
int keyEnd = wmlTemplateString.indexOf('}', startKey);
String key = wmlTemplateString.substring(startKey + 2, keyEnd);
Object val = mappings.get(key);
if (val == null) {
log.warn("Invalid key '" + key + "' or key not mapped to a value");
strB.append(key);
} else {
strB.append(val.toString());
}
offset = keyEnd + 1;
}
}
}
/**
* Marshal this object to a String, pretty printed, and without an XML declaration.
* Useful for debugging.
*
* @param o
* @return
* @since 3.0.1
*/
public static String marshaltoString(Object o ) {
JAXBContext jc = Context.jc;
return marshaltoString(o, true, true, jc );
}
/**
* Use the specified JAXBContext to marshal this object to a String, pretty printed, and without an XML declaration.
* Useful for debugging.
*
* @param o
* @return
* @since 3.0.1
*/
public static String marshaltoString(Object o, JAXBContext jc ) {
return marshaltoString(o, true, true, jc );
}
/** Marshal to a String */
@Deprecated
public static String marshaltoString(Object o, boolean suppressDeclaration ) {
JAXBContext jc = Context.jc;
return marshaltoString(o, suppressDeclaration, false, jc );
}
/** Marshal to a String */
@Deprecated
public static String marshaltoString(Object o, boolean suppressDeclaration, JAXBContext jc ) {
return marshaltoString(o, suppressDeclaration, false, jc );
}
/** Marshal to a String */
public static String marshaltoString(Object o, boolean suppressDeclaration, boolean prettyprint ) {
JAXBContext jc = Context.jc;
return marshaltoString(o, suppressDeclaration, prettyprint, jc );
}
/**
* Knows how to setMcIgnorable on wml.Document only.
*
* @param prefixMapper
* @param o
* @since 3.1.1
*/
private static String setMcIgnorable(McIgnorableNamespaceDeclarator prefixMapper, Object o) {
if (o instanceof org.docx4j.wml.Document) {
String ignorables = ((org.docx4j.wml.Document)o).getIgnorable();
if (ignorables!=null) {
prefixMapper.setMcIgnorable(ignorables);
// TODO, add getMcChoiceNamespaces()
}
return ignorables;
}
return null;
}
/** Removes superflouous namespaces.
*
* It makes things neater, at the cost of some extra processing.
*
* @throws InvalidCanonicalizerException
* @throws CanonicalizationException
*/
public static byte[] trimNamespaces(org.w3c.dom.Document doc, String ignorables) throws InvalidCanonicalizerException, CanonicalizationException {
// Example of what to do for a namespace not known to JAXB
//doc.getDocumentElement().setAttributeNS("http://www.w3.org/2000/xmlns/" ,
// "xmlns:wp14", "http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing");
log.debug("Input to Canonicalizer: " + XmlUtils.w3CDomNodeToString(doc));
Init.init();
Canonicalizer c = Canonicalizer.getInstance(CanonicalizationMethod.EXCLUSIVE);
return c.canonicalizeSubtree(doc, ignorables);
}
/** Marshal to a String */
public static String marshaltoString(Object o, boolean suppressDeclaration, boolean prettyprint,
JAXBContext jc ) {
/* http://weblogs.java.net/blog/kohsuke/archive/2005/10/101_ways_to_mar.html
*
* If you are writing to a file, a socket, or memory, then you should use
* the version that takes OutputStream. Unless you change the target
* encoding to something else (default is UTF-8), there's a special
* marshaller codepath for OutputStream, which makes it run really fast.
* You also don't have to use BufferedOutputStream, since the JAXB RI
* does the adequate buffering.
*
* You can also write to Writer, but in this case you'll be responsible
* for encoding characters, so in general you need to be careful. If
* you want to marshal XML into an encoding other than UTF-8, it's best
* to use the JAXB_ENCODING property and then write to OutputStream,
* as it escapes characters to things like ᠤ correctly.
*/
if(o==null) {
return null;
}
try {
Marshaller m=jc.createMarshaller();
NamespacePrefixMapperUtils.setProperty(m,
NamespacePrefixMapperUtils.getPrefixMapper());
String ignorables = setMcIgnorable(((McIgnorableNamespaceDeclarator)NamespacePrefixMapperUtils.getPrefixMapper()), o);
// WARNING: that won't guarantee you have all the top level declarations you need
// if you are using MOXy. This is a TODO, using XMLStreamWriterWrapper
if (prettyprint) {
m.setProperty("jaxb.formatted.output", true);
}
/* Fix for:
*
* ~~~~~~~>
*
* Lookin pretty
*/
/* http://weblogs.java.net/blog/kohsuke/archive/2005/10/101_ways_to_mar.html
*
* JAXB_FRAGMENT prevents the marshaller from producing an XML declaration,
* so the above works just fine. The downside of this approach is that if
* the ancestor elements declare the namespaces, JAXB won't be able to take
* advantage of them.
*/
if (suppressDeclaration) {
m.setProperty(Marshaller.JAXB_FRAGMENT,true);
}
if (Docx4jProperties.getProperty("docx4j.jaxb.marshal.canonicalize", false)) {
org.w3c.dom.Document doc = marshaltoW3CDomDocument( o, jc);
byte[] bytes = trimNamespaces(doc, ignorables);
return new String(bytes, "UTF-8");
} else {
StringWriter sWriter = new StringWriter();
m.marshal(o, sWriter);
return sWriter.toString();
}
/* Alternative implementation
java.io.ByteArrayOutputStream out = new java.io.ByteArrayOutputStream();
marshaller.marshal(o, out);
byte[] bytes = out.toByteArray();
return new String(bytes);
*/
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/** Marshal to a String, for object
* missing an @XmlRootElement annotation. */
public static String marshaltoString(Object o, boolean suppressDeclaration, boolean prettyprint,
JAXBContext jc,
String uri, String local, Class declaredType) {
// TODO - refactor this.
try {
Marshaller m = jc.createMarshaller();
NamespacePrefixMapperUtils.setProperty(m,
NamespacePrefixMapperUtils.getPrefixMapper());
String ignorables = setMcIgnorable(((McIgnorableNamespaceDeclarator)NamespacePrefixMapperUtils.getPrefixMapper()), o);
if (prettyprint) {
m.setProperty("jaxb.formatted.output", true);
}
if (suppressDeclaration) {
m.setProperty(Marshaller.JAXB_FRAGMENT,true);
}
if (Docx4jProperties.getProperty("docx4j.jaxb.marshal.canonicalize", false)) {
org.w3c.dom.Document doc = marshaltoW3CDomDocument( o, jc, uri, local, declaredType);
byte[] bytes = trimNamespaces(doc, ignorables);
return new String(bytes, "UTF-8");
} else {
StringWriter sWriter = new StringWriter();
m.marshal(
new JAXBElement(new QName(uri,local), declaredType, o ),
sWriter);
return sWriter.toString();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public static java.io.InputStream marshaltoInputStream(Object o, boolean suppressDeclaration, JAXBContext jc ) {
/* http://weblogs.java.net/blog/kohsuke/archive/2005/10/101_ways_to_mar.html
*
* If you are writing to a file, a socket, or memory, then you should use
* the version that takes OutputStream. Unless you change the target
* encoding to something else (default is UTF-8), there's a special
* marshaller codepath for OutputStream, which makes it run really fast.
* You also don't have to use BufferedOutputStream, since the JAXB RI
* does the adequate buffering.
*
*/
try {
Marshaller m=jc.createMarshaller();
NamespacePrefixMapperUtils.setProperty(m,
NamespacePrefixMapperUtils.getPrefixMapper());
String ignorables = setMcIgnorable(((McIgnorableNamespaceDeclarator)NamespacePrefixMapperUtils.getPrefixMapper()), o);
if (suppressDeclaration) {
m.setProperty(Marshaller.JAXB_FRAGMENT,true);
}
ByteArrayOutputStream os = new ByteArrayOutputStream();
m.marshal(o, os);
if (Docx4jProperties.getProperty("docx4j.jaxb.marshal.canonicalize", false)) {
org.w3c.dom.Document doc = marshaltoW3CDomDocument( o, jc);
byte[] bytes = trimNamespaces(doc, ignorables);
return new java.io.ByteArrayInputStream(bytes);
} else {
// Now copy from the outputstream to inputstream
// See http://ostermiller.org/convert_java_outputstream_inputstream.html
return new java.io.ByteArrayInputStream(os.toByteArray());
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/** Marshal to a W3C document */
public static org.w3c.dom.Document marshaltoW3CDomDocument(Object o) {
return marshaltoW3CDomDocument(o, Context.jc);
}
/** Marshal to a W3C document */
public static org.w3c.dom.Document marshaltoW3CDomDocument(Object o, JAXBContext jc) {
// TODO - refactor this.
try {
Marshaller marshaller = jc.createMarshaller();
NamespacePrefixMapperUtils.setProperty(marshaller,
NamespacePrefixMapperUtils.getPrefixMapper());
String ignorables = setMcIgnorable(((McIgnorableNamespaceDeclarator)NamespacePrefixMapperUtils.getPrefixMapper()), o);
org.w3c.dom.Document doc = XmlUtils.getNewDocumentBuilder().newDocument();
marshaller.marshal(o, doc);
if (Docx4jProperties.getProperty("docx4j.jaxb.marshal.canonicalize", false)) {
byte[] bytes = trimNamespaces(doc, ignorables);
//log.debug(new String(bytes, "UTF-8"));
/*MOXy issue where it looks like trimNamespaces drops w namespace!
*
DEBUG org.docx4j.XmlUtils .trimNamespaces line 700 - Input to Canonicalizer: T deepCopy(T value) {
return deepCopy(value, Context.jc);
}
/** Clone this JAXB object
* @param value
* @param jc
* @return
*/
public static T deepCopy(T value, JAXBContext jc) {
if (value==null) {
throw new IllegalArgumentException("Can't clone a null argument");
}
JAXBElement elem;
try {
if (value instanceof JAXBElement) {
Object wrapped = ((JAXBElement)value).getValue();
QName qname = ((JAXBElement)value).getName();
@SuppressWarnings("unchecked")
Class clazz = wrapped.getClass();
JAXBElement contentObject = new JAXBElement(
qname,
clazz, wrapped);
JAXBSource source = new JAXBSource(jc, contentObject);
elem = jc.createUnmarshaller().unmarshal(source, clazz);
} else {
// Usual case
@SuppressWarnings("unchecked")
Class clazz = (Class) value.getClass();
JAXBElement contentObject = new JAXBElement(new QName(clazz.getSimpleName()), clazz, value);
JAXBSource source = new JAXBSource(jc, contentObject);
elem = jc.createUnmarshaller().unmarshal(source, clazz);
}
/*
* Losing content here?
*
* First, make absolutely sure that what you have is valid.
*
* For example, Word 2010 is happy to open w:p/w:pict
* (as opposed to w:p/w:r/w:pict).
* docx4j is happy to marshall w:p/w:pict, but not unmarshall it,
* so that content would get dropped here.
*/
T res;
if (value instanceof JAXBElement) {
@SuppressWarnings("unchecked")
T resT = (T) elem;
res = resT;
} else {
@SuppressWarnings("unchecked")
T resT = (T) elem.getValue();
res = resT;
}
// log.info("deep copy success!");
return res;
} catch (JAXBException ex) {
throw new IllegalArgumentException(ex);
}
}
public static String w3CDomNodeToString(Node n) {
// Why doesn't Java have a nice neat way of getting
// the XML as a String??
StringWriter sw = new StringWriter();
try {
XmlSerializerUtil.serialize(new DOMSource(n) , new StreamResult(sw), true, true);
return sw.toString();
//log.debug("serialised:" + n);
} catch (Exception e) {
// Unexpected!
log.error(e.getMessage(), e);
return null;
}
}
/**
* @param n
* @param os
* @throws Docx4JException
*
* @Since 3.3.0
*/
public static void w3CDomNodeToOutputStream(Node n, OutputStream os) throws Docx4JException {
// Q: Why doesn't Java have a nice neat way of getting the XML as a String??
// A: See comments at http://stackoverflow.com/questions/2325388/java-shortest-way-to-pretty-print-to-stdout-a-org-w3c-dom-document
XmlSerializerUtil.serialize(new DOMSource(n) , new StreamResult(os), true, true);
}
/** Use DocumentBuilderFactory to create and return a new w3c dom Document. */
public static org.w3c.dom.Document neww3cDomDocument() {
return XmlUtils.getNewDocumentBuilder().newDocument();
}
/**
* @param docBuilder
* the parser
* @param parent
* node to add fragment to
* @param fragment
* a well formed XML fragment
* @throws ParserConfigurationException
*/
public static void appendXmlFragment(Document document, Node parent, String fragment)
throws IOException, SAXException, ParserConfigurationException {
Node fragmentNode = XmlUtils.getNewDocumentBuilder().parse(
new InputSource(new StringReader(fragment)))
.getDocumentElement();
fragmentNode = document.importNode(fragmentNode, true);
parent.appendChild(fragmentNode);
}
/**
* Prepare a JAXB transformation result for some given context.
* @param context The JAXB context.
* @return The result data structure created.
* @throws Docx4JException In case of configuration errors.
*/
public static JAXBResult prepareJAXBResult(final JAXBContext context)
throws Docx4JException {
final JAXBResult result;
try {
final Unmarshaller unmarshaller = context.createUnmarshaller();
unmarshaller.setEventHandler(new JaxbValidationEventHandler());
result = new JAXBResult(unmarshaller);
} catch (JAXBException e) {
throw new Docx4JException("Error preparing empty JAXB result", e);
}
return result;
}
public static void transform(org.w3c.dom.Document doc,
javax.xml.transform.Templates template,
Map transformParameters,
javax.xml.transform.Result result) throws Docx4JException {
if (doc == null ) {
Throwable t = new Throwable();
throw new Docx4JException( "Null DOM Doc", t);
}
javax.xml.transform.dom.DOMSource domSource = new javax.xml.transform.dom.DOMSource(doc);
transform(domSource,
template,
transformParameters,
result);
}
public static Templates getTransformerTemplate(
javax.xml.transform.Source xsltSource) throws TransformerConfigurationException {
return transformerFactory.newTemplates(xsltSource);
}
private static final String S_BUILTIN_EXTENSIONS_URL = "http://xml.apache.org/xalan";
private static final String S_BUILTIN_EXTENSIONS_UNIVERSAL =
"{" + S_BUILTIN_EXTENSIONS_URL + "}";
private static final String S_KEY_CONTENT_HANDLER =
S_BUILTIN_EXTENSIONS_UNIVERSAL + "content-handler";
/**
*
* Transform an input document using XSLT
*
* @param doc
* @param xslt
* @param transformParameters
* @param result
* @throws Docx4JException In case serious transformation errors occur
*/
public static void transform(javax.xml.transform.Source source,
javax.xml.transform.Templates template,
Map transformParameters,
javax.xml.transform.Result result) throws Docx4JException {
if (source == null ) {
Throwable t = new Throwable();
throw new Docx4JException( "Null Source doc", t);
}
// Use the template to create a transformer
// A Transformer may not be used in multiple threads running concurrently.
// Different Transformers may be used concurrently by different threads.
// A Transformer may be used multiple times. Parameters and output properties
// are preserved across transformations.
javax.xml.transform.Transformer xformer;
try {
xformer = template.newTransformer();
} catch (TransformerConfigurationException e) {
throw new Docx4JException("The Transformer is ill-configured", e);
}
log.info("Using " + xformer.getClass().getName());
if (xformer.getClass().getName().equals(
"org.docx4j.org.apache.xalan.transformer.TransformerImpl")) {
// Use our patched serializer, which fixes Unicode astral character
// issue. See https://issues.apache.org/jira/browse/XALANJ-2419
Properties p = xformer.getOutputProperties();
String method = p.getProperty("method");
//log.debug("method: " + method);
if (method==null || method.equals("xml")) {
((org.docx4j.org.apache.xalan.transformer.TransformerImpl)xformer).setOutputProperty(
S_KEY_CONTENT_HANDLER, "org.docx4j.org.apache.xml.serializer.ToXMLStream");
} else if ( method.equals("html")) {
((org.docx4j.org.apache.xalan.transformer.TransformerImpl)xformer).setOutputProperty(
S_KEY_CONTENT_HANDLER, "org.docx4j.org.apache.xml.serializer.ToHTMLStream");
} else if ( method.equals("text")) {
((org.docx4j.org.apache.xalan.transformer.TransformerImpl)xformer).setOutputProperty(
S_KEY_CONTENT_HANDLER, "org.docx4j.org.apache.xml.serializer.ToTextStream");
} else {
log.warn("fallback for method: " + method);
((org.docx4j.org.apache.xalan.transformer.TransformerImpl)xformer).setOutputProperty(
S_KEY_CONTENT_HANDLER, "org.docx4j.org.apache.xml.serializer.ToUnknownStream");
}
/* That wasn't quite enough:
*
at org.docx4j.org.apache.xml.serializer.ToXMLStream.startDocumentInternal(ToXMLStream.java:143)
at org.docx4j.org.apache.xml.serializer.SerializerBase.startDocument(SerializerBase.java:1190)
at org.apache.xml.serializer.ToSAXHandler.startDocumentInternal(ToSAXHandler.java:97)
at org.apache.xml.serializer.ToSAXHandler.flushPending(ToSAXHandler.java:273)
at org.apache.xml.serializer.ToXMLSAXHandler.startPrefixMapping(ToXMLSAXHandler.java:350)
at org.apache.xml.serializer.ToXMLSAXHandler.startPrefixMapping(ToXMLSAXHandler.java:320)
at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1317)
*
* (TransformerImpl's createSerializationHandler makes a new org.apache.xml.serializer.ToXMLSAXHandler.ToXMLSAXHandler
* and that's hard coded.)
*
* But it seems to be enough now...
*/
} else {
log.error("Detected "
+ xformer.getClass().getName()
+ ", but require org.docx4j.org.apache.xalan.transformer.TransformerImpl. ");
}
LoggingErrorListener errorListener = new LoggingErrorListener(false);
xformer.setErrorListener(errorListener);
if (transformParameters != null) {
Iterator parameterIterator = transformParameters.entrySet()
.iterator();
while (parameterIterator.hasNext()) {
Map.Entry pairs = (Map.Entry) parameterIterator.next();
if (pairs.getKey() == null) {
log.info("Skipped null key");
// pairs = (Map.Entry)parameterIterator.next();
continue;
}
if (pairs.getKey().equals("customXsltTemplates")) continue;
if (pairs.getValue() == null) {
log.warn("parameter '" + pairs.getKey() + "' was null.");
} else {
xformer.setParameter((String) pairs.getKey(), pairs
.getValue());
}
}
}
/* SUPER DEBUGGING
// http://xml.apache.org/xalan-j/usagepatterns.html#debugging
// debugging
// Set up a PrintTraceListener object to print to a file.
java.io.FileWriter fw = new java.io.FileWriter("/tmp/xslt-events" + xsltCount++ + ".log");
java.io.PrintWriter pw = new java.io.PrintWriter(fw);
PrintTraceListener ptl = new PrintTraceListener(pw);
// Print information as each node is 'executed' in the stylesheet.
ptl.m_traceElements = true;
// Print information after each result-tree generation event.
ptl.m_traceGeneration = true;
// Print information after each selection event.
ptl.m_traceSelection = true;
// Print information whenever a template is invoked.
ptl.m_traceTemplates = true;
// Print information whenever an extension is called.
ptl.m_traceExtension = true;
TransformerImpl transformerImpl = (TransformerImpl)xformer;
// Register the TraceListener with the TraceManager associated
// with the TransformerImpl.
TraceManager trMgr = transformerImpl.getTraceManager();
trMgr.addTraceListener(ptl);
*/
// DEBUGGING
// use the identity transform if you want to send wordDocument;
// otherwise you'll get the XHTML
// javax.xml.transform.Transformer xformer = tfactory.newTransformer();
try {
xformer.transform(source, result);
} catch (TransformerException e) {
throw new Docx4JException("Cannot perform the transformation", e);
} finally {
//pw.flush();
}
}
/**
* Fetch JAXB Nodes matching an XPath (for example "//w:p").
*
* In JAXB, this association is partial; not all XML elements have associated JAXB objects,
* and not all JAXB objects have associated XML elements.
* If the XPath returns an element which isn't associated
* with a JAXB object, since 3.0, this method will throw
* XPathBinderAssociationIsPartialException, to distinguish
* from no matching elements.
*
* If you have modified your JAXB objects (eg added or changed a
* w:p paragraph), you need to update the association. The problem
* is that this can only be done ONCE, owing to a bug in JAXB:
* see https://jaxb.dev.java.net/issues/show_bug.cgi?id=459
*
* So this is left for you to choose to do via the refreshXmlFirst parameter.
*
* @param binder
* @param jaxbElement
* @param refreshXmlFirst
* @param xpathExpr
* @return
* @throws JAXBException
* @throws XPathBinderAssociationIsPartialException
*/
public static List