root
/
spring-framework
mirror of https://github.com/spring-projects/spring-framework.git
1
0
Fork 0
Code Issues Actions 8 Packages Projects Releases Wiki Activity

Jaxb2Marshaller has non-synchronized access to the JAXBContext once initialized 

Issue: SPR-9867
This commit is contained in:
Juergen Hoeller 2012-10-11 22:32:42 +02:00 committed by unknown
parent 138fa8af0e
commit cfdcb54711
1 changed files with 41 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

74
spring-oxm/src/main/java/org/springframework/oxm/jaxb/Jaxb2Marshaller.java
View File

@ -101,11 +101,12 @@ import org.springframework.util.xml.StaxUtils;
/**
* Implementation of the <code>Marshaller</code> interface for JAXB 2.0.
*
* <p>The typical usage will be to set either the <code>contextPath</code> or the <code>classesToBeBound</code> property
* on this bean, possibly customize the marshaller and unmarshaller by setting properties, schemas, adapters, and
* listeners, and to refer to it.
* <p>The typical usage will be to set either the "contextPath" or the "classesToBeBound"
* property on this bean, possibly customize the marshaller and unmarshaller by setting
* properties, schemas, adapters, and listeners, and to refer to it.
*
* @author Arjen Poutsma
* @author Juergen Hoeller
* @since 3.0
* @see #setContextPath(String)
* @see #setClassesToBeBound(Class[])
@ -125,9 +126,7 @@ public class Jaxb2Marshaller
private static final String CID = "cid:";
/**
* Logger available to subclasses.
*/
/** Logger available to subclasses */
protected final Log logger = LogFactory.getLog(getClass());
private String contextPath;
@ -154,23 +153,25 @@ public class Jaxb2Marshaller
private String schemaLanguage = XMLConstants.W3C_XML_SCHEMA_NS_URI;
private LSResourceResolver schemaResourceResolver;
private boolean mtomEnabled = false;
private ClassLoader beanClassLoader;
private ResourceLoader resourceLoader;
private JAXBContext jaxbContext;
private Schema schema;
private boolean lazyInit = false;
private boolean supportJaxbElementClass = false;
private boolean checkForXmlRootElement = true;
private LSResourceResolver schemaResourceResolver;
private ClassLoader beanClassLoader;
private ResourceLoader resourceLoader;
private final Object jaxbContextMonitor = new Object();
private volatile JAXBContext jaxbContext;
private Schema schema;
/**
@ -405,24 +406,29 @@ public class Jaxb2Marshaller
}
}
protected synchronized JAXBContext getJaxbContext() {
if (this.jaxbContext == null) {
try {
if (StringUtils.hasLength(this.contextPath)) {
this.jaxbContext = createJaxbContextFromContextPath();
}
else if (!ObjectUtils.isEmpty(this.classesToBeBound)) {
this.jaxbContext = createJaxbContextFromClasses();
}
else if (!ObjectUtils.isEmpty(this.packagesToScan)) {
this.jaxbContext = createJaxbContextFromPackages();
}
}
catch (JAXBException ex) {
throw convertJaxbException(ex);
}
protected JAXBContext getJaxbContext() {
if (this.jaxbContext != null) {
return this.jaxbContext;
}
synchronized (this.jaxbContextMonitor) {
if (this.jaxbContext == null) {
try {
if (StringUtils.hasLength(this.contextPath)) {
this.jaxbContext = createJaxbContextFromContextPath();
}
else if (!ObjectUtils.isEmpty(this.classesToBeBound)) {
this.jaxbContext = createJaxbContextFromClasses();
}
else if (!ObjectUtils.isEmpty(this.packagesToScan)) {
this.jaxbContext = createJaxbContextFromPackages();
}
}
catch (JAXBException ex) {
throw convertJaxbException(ex);
}
}
return this.jaxbContext;
}
return this.jaxbContext;
}
private JAXBContext createJaxbContextFromContextPath() throws JAXBException {
@ -434,7 +440,9 @@ public class Jaxb2Marshaller
return JAXBContext.newInstance(this.contextPath, this.beanClassLoader, this.jaxbContextProperties);
}
else {
return JAXBContext.newInstance(this.contextPath, ClassUtils.getDefaultClassLoader(), this.jaxbContextProperties);
// analogous to the JAXBContext.newInstance(String) implementation
return JAXBContext.newInstance(this.contextPath, Thread.currentThread().getContextClassLoader(),
this.jaxbContextProperties);
}
}
else {