/*
* Copyright 2002-2010 the original author or authors.
*
* 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.springframework.oxm.jaxb;
import java.awt.*;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.GenericArrayType;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.Map;
import java.util.UUID;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.xml.XMLConstants;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.MarshalException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.UnmarshalException;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.ValidationEventHandler;
import javax.xml.bind.ValidationException;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.adapters.XmlAdapter;
import javax.xml.bind.attachment.AttachmentMarshaller;
import javax.xml.bind.attachment.AttachmentUnmarshaller;
import javax.xml.datatype.Duration;
import javax.xml.datatype.XMLGregorianCalendar;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLEventWriter;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.sax.SAXSource;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLReaderFactory;
import org.springframework.beans.factory.BeanClassLoaderAware;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.core.io.Resource;
import org.springframework.oxm.GenericMarshaller;
import org.springframework.oxm.GenericUnmarshaller;
import org.springframework.oxm.MarshallingFailureException;
import org.springframework.oxm.UncategorizedMappingException;
import org.springframework.oxm.UnmarshallingFailureException;
import org.springframework.oxm.ValidationFailureException;
import org.springframework.oxm.XmlMappingException;
import org.springframework.oxm.mime.MimeContainer;
import org.springframework.oxm.mime.MimeMarshaller;
import org.springframework.oxm.mime.MimeUnmarshaller;
import org.springframework.oxm.support.SaxResourceUtils;
import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
import org.springframework.util.FileCopyUtils;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
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.
*
* @author Arjen Poutsma
* @see #setContextPath(String)
* @see #setClassesToBeBound(Class[])
* @see #setJaxbContextProperties(Map)
* @see #setMarshallerProperties(Map)
* @see #setUnmarshallerProperties(Map)
* @see #setSchema(Resource)
* @see #setSchemas(Resource[])
* @see #setMarshallerListener(javax.xml.bind.Marshaller.Listener)
* @see #setUnmarshallerListener(javax.xml.bind.Unmarshaller.Listener)
* @see #setAdapters(XmlAdapter[])
* @since 3.0
*/
public class Jaxb2Marshaller
implements MimeMarshaller, MimeUnmarshaller, GenericMarshaller, GenericUnmarshaller, BeanClassLoaderAware,
InitializingBean {
private static final String CID = "cid:";
/**
* Logger available to subclasses.
*/
protected final Log logger = LogFactory.getLog(getClass());
private String contextPath;
private Class<?>[] classesToBeBound;
private Map<String, ?> jaxbContextProperties;
private Map<String, ?> marshallerProperties;
private Map<String, ?> unmarshallerProperties;
private Marshaller.Listener marshallerListener;
private Unmarshaller.Listener unmarshallerListener;
private ValidationEventHandler validationEventHandler;
private XmlAdapter<?, ?>[] adapters;
private Resource[] schemaResources;
private String schemaLanguage = XMLConstants.W3C_XML_SCHEMA_NS_URI;
private boolean mtomEnabled = false;
private ClassLoader beanClassLoader;
private JAXBContext jaxbContext;
private Schema schema;
private boolean lazyInit = false;
/**
* Set multiple JAXB context paths. The given array of context paths is converted to a
* colon-delimited string, as supported by JAXB.
*/
public void setContextPaths(String... contextPaths) {
Assert.notEmpty(contextPaths, "'contextPaths' must not be empty");
this.contextPath = StringUtils.arrayToDelimitedString(contextPaths, ":");
}
/**
* Set a JAXB context path.
*/
public void setContextPath(String contextPath) {
Assert.hasText(contextPath, "'contextPath' must not be null");
this.contextPath = contextPath;
}
/**
* Return the JAXB context path.
*/
public String getContextPath() {
return this.contextPath;
}
/**
* Set the list of Java classes to be recognized by a newly created JAXBContext.
* Setting this property or {@link #setContextPath "contextPath"} is required.
*/
public void setClassesToBeBound(Class<?>... classesToBeBound) {
Assert.notEmpty(classesToBeBound, "'classesToBeBound' must not be empty");
this.classesToBeBound = classesToBeBound;
}
/**
* Return the list of Java classes to be recognized by a newly created JAXBContext.
*/
public Class<?>[] getClassesToBeBound() {
return this.classesToBeBound;
}
/**
* Set the <code>JAXBContext</code> properties. These implementation-specific
* properties will be set on the underlying <code>JAXBContext</code>.
*/
public void setJaxbContextProperties(Map<String, ?> jaxbContextProperties) {
this.jaxbContextProperties = jaxbContextProperties;
}
/**
* Set the JAXB <code>Marshaller</code> properties. These properties will be set on the
* underlying JAXB <code>Marshaller</code>, and allow for features such as indentation.
* @param properties the properties
* @see javax.xml.bind.Marshaller#setProperty(String,Object)
* @see javax.xml.bind.Marshaller#JAXB_ENCODING
* @see javax.xml.bind.Marshaller#JAXB_FORMATTED_OUTPUT
* @see javax.xml.bind.Marshaller#JAXB_NO_NAMESPACE_SCHEMA_LOCATION
* @see javax.xml.bind.Marshaller#JAXB_SCHEMA_LOCATION
*/
public void setMarshallerProperties(Map<String, ?> properties) {
this.marshallerProperties = properties;
}
/**
* Set the JAXB <code>Unmarshaller</code> properties. These properties will be set on the
* underlying JAXB <code>Unmarshaller</code>.
* @param properties the properties
* @see javax.xml.bind.Unmarshaller#setProperty(String,Object)
*/
public void setUnmarshallerProperties(Map<String, ?> properties) {
this.unmarshallerProperties = properties;
}
/**
* Specify the <code>Marshaller.Listener</code> to be registered with the JAXB <code>Marshaller</code>.
*/
public void setMarshallerListener(Marshaller.Listener marshallerListener) {
this.marshallerListener = marshallerListener;
}
/**
* Set the <code>Unmarshaller.Listener</code> to be registered with the JAXB <code>Unmarshaller</code>.
*/
public void setUnmarshallerListener(Unmarshaller.Listener unmarshallerListener) {
this.unmarshallerListener = unmarshallerListener;
}
/**
* Set the JAXB validation event handler. This event handler will be called by JAXB
* if any validation errors are encountered during calls to any of the marshal APIs.
*/
public void setValidationEventHandler(ValidationEventHandler validationEventHandler) {
this.validationEventHandler = validationEventHandler;
}
/**
* Specify the <code>XmlAdapter</code>s to be registered with the JAXB <code>Marshaller</code>
* and <code>Unmarshaller</code>
*/
public void setAdapters(XmlAdapter<?, ?>[] adapters) {
this.adapters = adapters;
}
/**
* Set the schema resource to use for validation.
*/
public void setSchema(Resource schemaResource) {
this.schemaResources = new Resource[] {schemaResource};
}
/**
* Set the schema resources to use for validation.
*/
public void setSchemas(Resource[] schemaResources) {
this.schemaResources = schemaResources;
}
/**
* Set the schema language. Default is the W3C XML Schema: <code>http://www.w3.org/2001/XMLSchema"</code>.
* @see XMLConstants#W3C_XML_SCHEMA_NS_URI
* @see XMLConstants#RELAXNG_NS_URI
*/
public void setSchemaLanguage(String schemaLanguage) {
this.schemaLanguage = schemaLanguage;
}
/**
* Specify whether MTOM support should be enabled or not.
* Default is <code>false</code>: marshalling using XOP/MTOM not being enabled.
*/
public void setMtomEnabled(boolean mtomEnabled) {
this.mtomEnabled = mtomEnabled;
}
/**
* Set whether to lazily initialize the {@link JAXBContext} for this marshaller.
* Default is {@code false} to initialize on startup; can be switched to {@code true}.
* <p>Early initialization just applies if {@link #afterPropertiesSet()} is called.
*/
public void setLazyInit(boolean lazyInit) {
this.lazyInit = lazyInit;
}
public void setBeanClassLoader(ClassLoader classLoader) {
this.beanClassLoader = classLoader;
}
public final void afterPropertiesSet() throws Exception {
if (StringUtils.hasLength(getContextPath()) && !ObjectUtils.isEmpty(getClassesToBeBound())) {
throw new IllegalArgumentException("Specify either 'contextPath' or 'classesToBeBound property'; not both");
}
else if (!StringUtils.hasLength(getContextPath()) && ObjectUtils.isEmpty(getClassesToBeBound())) {
throw new IllegalArgumentException("Setting either 'contextPath' or 'classesToBeBound' is required");
}
if (!this.lazyInit) {
getJaxbContext();
}
if (!ObjectUtils.isEmpty(this.schemaResources)) {
this.schema = loadSchema(this.schemaResources, this.schemaLanguage);
}
}
protected synchronized JAXBContext getJaxbContext() {
if (this.jaxbContext == null) {
try {
if (StringUtils.hasLength(getContextPath())) {
this.jaxbContext = createJaxbContextFromContextPath();
}
else if (!ObjectUtils.isEmpty(getClassesToBeBound())) {
this.jaxbContext = createJaxbContextFromClasses();
}
}
catch (JAXBException ex) {
throw convertJaxbException(ex);
}
}
return jaxbContext;
}
private JAXBContext createJaxbContextFromContextPath() throws JAXBException {
if (logger.isInfoEnabled()) {
logger.info("Creating JAXBContext with context path [" + getContextPath() + "]");
}
if (this.jaxbContextProperties != null) {
if (this.beanClassLoader != null) {
return JAXBContext.newInstance(getContextPath(), this.beanClassLoader, this.jaxbContextProperties);
}
else {
return JAXBContext.newInstance(getContextPath(), ClassUtils.getDefaultClassLoader(), this.jaxbContextProperties);
}
}
else {
if (this.beanClassLoader != null) {
return JAXBContext.newInstance(getContextPath(), this.beanClassLoader);
}
else {
return JAXBContext.newInstance(getContextPath());
}
}
}
private JAXBContext createJaxbContextFromClasses() throws JAXBException {
if (logger.isInfoEnabled()) {
logger.info("Creating JAXBContext with classes to be bound [" +
StringUtils.arrayToCommaDelimitedString(getClassesToBeBound()) + "]");
}
if (this.jaxbContextProperties != null) {
return JAXBContext.newInstance(getClassesToBeBound(), this.jaxbContextProperties);
}
else {
return JAXBContext.newInstance(getClassesToBeBound());
}
}
private Schema loadSchema(Resource[] resources, String schemaLanguage) throws IOException, SAXException {
if (logger.isDebugEnabled()) {
logger.debug("Setting validation schema to " + StringUtils.arrayToCommaDelimitedString(this.schemaResources));
}
Assert.notEmpty(resources, "No resources given");
Assert.hasLength(schemaLanguage, "No schema language provided");
Source[] schemaSources = new Source[resources.length];
XMLReader xmlReader = XMLReaderFactory.createXMLReader();
xmlReader.setFeature("http://xml.org/sax/features/namespace-prefixes", true);
for (int i = 0; i < resources.length; i++) {
Assert.notNull(resources[i], "Resource is null");
Assert.isTrue(resources[i].exists(), "Resource " + resources[i] + " does not exist");
InputSource inputSource = SaxResourceUtils.createInputSource(resources[i]);
schemaSources[i] = new SAXSource(xmlReader, inputSource);
}
SchemaFactory schemaFactory = SchemaFactory.newInstance(schemaLanguage);
return schemaFactory.newSchema(schemaSources);
}
public boolean supports(Class<?> clazz) {
return supportsInternal(clazz, true);
}
public boolean supports(Type genericType) {
if (genericType instanceof ParameterizedType) {
ParameterizedType parameterizedType = (ParameterizedType) genericType;
if (JAXBElement.class.equals(parameterizedType.getRawType()) &&
parameterizedType.getActualTypeArguments().length == 1) {
Type typeArgument = parameterizedType.getActualTypeArguments()[0];
if (typeArgument instanceof Class) {
Class<?> classArgument = (Class<?>) typeArgument;
return (isPrimitiveWrapper(classArgument) || isStandardClass(classArgument) ||
supportsInternal(classArgument, false));
}
else if (typeArgument instanceof GenericArrayType) {
GenericArrayType arrayType = (GenericArrayType) typeArgument;
return arrayType.getGenericComponentType().equals(Byte.TYPE);
}
}
}
else if (genericType instanceof Class) {
Class<?> clazz = (Class<?>) genericType;
return supportsInternal(clazz, true);
}
return false;
}
private boolean supportsInternal(Class<?> clazz, boolean checkForXmlRootElement) {
if (checkForXmlRootElement && AnnotationUtils.findAnnotation(clazz, XmlRootElement.class) == null) {
return false;
}
if (StringUtils.hasLength(getContextPath())) {
String packageName = ClassUtils.getPackageName(clazz);
String[] contextPaths = StringUtils.tokenizeToStringArray(getContextPath(), ":");
for (String contextPath : contextPaths) {
if (contextPath.equals(packageName)) {
return true;
}
}
return false;
}
else if (!ObjectUtils.isEmpty(getClassesToBeBound())) {
return Arrays.asList(getClassesToBeBound()).contains(clazz);
}
return false;
}
/**
* Checks whether the given type is a primitive wrapper type.
* Compare section 8.5.1 of the JAXB2 spec.
*/
private boolean isPrimitiveWrapper(Class<?> clazz) {
return Boolean.class.equals(clazz) ||
Byte.class.equals(clazz) ||
Short.class.equals(clazz) ||
Integer.class.equals(clazz) ||
Long.class.equals(clazz) ||
Float.class.equals(clazz) ||
Double.class.equals(clazz);
}
/**
* Checks whether the given type is a standard class.
* Compare section 8.5.2 of the JAXB2 spec.
*/
private boolean isStandardClass(Class<?> clazz) {
return String.class.equals(clazz) ||
BigInteger.class.isAssignableFrom(clazz) ||
BigDecimal.class.isAssignableFrom(clazz) ||
Calendar.class.isAssignableFrom(clazz) ||
Date.class.isAssignableFrom(clazz) ||
QName.class.isAssignableFrom(clazz) ||
URI.class.equals(clazz) ||
XMLGregorianCalendar.class.isAssignableFrom(clazz) ||
Duration.class.isAssignableFrom(clazz) ||
Image.class.equals(clazz) ||
DataHandler.class.equals(clazz) ||
// Source and subclasses should be supported according to the JAXB2 spec, but aren't in the RI
// Source.class.isAssignableFrom(clazz) ||
UUID.class.equals(clazz);
}
// Marshalling
public void marshal(Object graph, Result result) throws XmlMappingException {
marshal(graph, result, null);
}
public void marshal(Object graph, Result result, MimeContainer mimeContainer) throws XmlMappingException {
try {
Marshaller marshaller = createMarshaller();
if (this.mtomEnabled && mimeContainer != null) {
marshaller.setAttachmentMarshaller(new Jaxb2AttachmentMarshaller(mimeContainer));
}
if (StaxUtils.isStaxResult(result)) {
marshalStaxResult(marshaller, graph, result);
}
else {
marshaller.marshal(graph, result);
}
}
catch (JAXBException ex) {
throw convertJaxbException(ex);
}
}
private void marshalStaxResult(Marshaller jaxbMarshaller, Object graph, Result staxResult) throws JAXBException {
XMLStreamWriter streamWriter = StaxUtils.getXMLStreamWriter(staxResult);
if (streamWriter != null) {
jaxbMarshaller.marshal(graph, streamWriter);
}
else {
XMLEventWriter eventWriter = StaxUtils.getXMLEventWriter(staxResult);
if (eventWriter != null) {
jaxbMarshaller.marshal(graph, eventWriter);
}
else {
throw new IllegalArgumentException("StAX Result contains neither XMLStreamWriter nor XMLEventConsumer");
}
}
}
/**
* Return a newly created JAXB marshaller. JAXB marshallers are not necessarily thread safe.
*/
protected Marshaller createMarshaller() {
try {
Marshaller marshaller = getJaxbContext().createMarshaller();
initJaxbMarshaller(marshaller);
return marshaller;
}
catch (JAXBException ex) {
throw convertJaxbException(ex);
}
}
/**
* Template method that can be overridden by concrete JAXB marshallers for custom initialization behavior.
* Gets called after creation of JAXB <code>Marshaller</code>, and after the respective properties have been set.
* <p>The default implementation sets the {@link #setMarshallerProperties(Map) defined properties}, the {@link
* #setValidationEventHandler(ValidationEventHandler) validation event handler}, the {@link #setSchemas(Resource[])
* schemas}, {@link #setMarshallerListener(javax.xml.bind.Marshaller.Listener) listener}, and
* {@link #setAdapters(XmlAdapter[]) adapters}.
*/
protected void initJaxbMarshaller(Marshaller marshaller) throws JAXBException {
if (this.marshallerProperties != null) {
for (String name : this.marshallerProperties.keySet()) {
marshaller.setProperty(name, this.marshallerProperties.get(name));
}
}
if (this.marshallerListener != null) {
marshaller.setListener(this.marshallerListener);
}
if (this.validationEventHandler != null) {
marshaller.setEventHandler(this.validationEventHandler);
}
if (this.adapters != null) {
for (XmlAdapter<?, ?> adapter : this.adapters) {
marshaller.setAdapter(adapter);
}
}
if (this.schema != null) {
marshaller.setSchema(this.schema);
}
}
// Unmarshalling
public Object unmarshal(Source source) throws XmlMappingException {
return unmarshal(source, null);
}
public Object unmarshal(Source source, MimeContainer mimeContainer) throws XmlMappingException {
try {
Unmarshaller unmarshaller = createUnmarshaller();
if (this.mtomEnabled && mimeContainer != null) {
unmarshaller.setAttachmentUnmarshaller(new Jaxb2AttachmentUnmarshaller(mimeContainer));
}
if (StaxUtils.isStaxSource(source)) {
return unmarshalStaxSource(unmarshaller, source);
}
else {
return unmarshaller.unmarshal(source);
}
}
catch (JAXBException ex) {
throw convertJaxbException(ex);
}
}
private Object unmarshalStaxSource(Unmarshaller jaxbUnmarshaller, Source staxSource) throws JAXBException {
XMLStreamReader streamReader = StaxUtils.getXMLStreamReader(staxSource);
if (streamReader != null) {
return jaxbUnmarshaller.unmarshal(streamReader);
}
else {
XMLEventReader eventReader = StaxUtils.getXMLEventReader(staxSource);
if (eventReader != null) {
return jaxbUnmarshaller.unmarshal(eventReader);
}
else {
throw new IllegalArgumentException("StaxSource contains neither XMLStreamReader nor XMLEventReader");
}
}
}
/**
* Return a newly created JAXB unmarshaller. JAXB unmarshallers are not necessarily thread safe.
*/
protected Unmarshaller createUnmarshaller() {
try {
Unmarshaller unmarshaller = getJaxbContext().createUnmarshaller();
initJaxbUnmarshaller(unmarshaller);
return unmarshaller;
}
catch (JAXBException ex) {
throw convertJaxbException(ex);
}
}
/**
* Template method that can be overridden by concrete JAXB marshallers for custom initialization behavior.
* Gets called after creation of JAXB <code>Marshaller</code>, and after the respective properties have been set.
* <p>The default implementation sets the {@link #setUnmarshallerProperties(Map) defined properties}, the {@link
* #setValidationEventHandler(ValidationEventHandler) validation event handler}, the {@link #setSchemas(Resource[])
* schemas}, {@link #setUnmarshallerListener(javax.xml.bind.Unmarshaller.Listener) listener}, and
* {@link #setAdapters(XmlAdapter[]) adapters}.
*/
protected void initJaxbUnmarshaller(Unmarshaller unmarshaller) throws JAXBException {
if (this.unmarshallerProperties != null) {
for (String name : this.unmarshallerProperties.keySet()) {
unmarshaller.setProperty(name, this.unmarshallerProperties.get(name));
}
}
if (this.unmarshallerListener != null) {
unmarshaller.setListener(this.unmarshallerListener);
}
if (this.validationEventHandler != null) {
unmarshaller.setEventHandler(this.validationEventHandler);
}
if (this.adapters != null) {
for (XmlAdapter<?, ?> adapter : this.adapters) {
unmarshaller.setAdapter(adapter);
}
}
if (this.schema != null) {
unmarshaller.setSchema(this.schema);
}
}
/**
* Convert the given <code>JAXBException</code> to an appropriate exception from the
* <code>org.springframework.oxm</code> hierarchy.
* @param ex <code>JAXBException</code> that occured
* @return the corresponding <code>XmlMappingException</code>
*/
protected XmlMappingException convertJaxbException(JAXBException ex) {
if (ex instanceof ValidationException) {
return new ValidationFailureException("JAXB validation exception", ex);
}
else if (ex instanceof MarshalException) {
return new MarshallingFailureException("JAXB marshalling exception", ex);
}
else if (ex instanceof UnmarshalException) {
return new UnmarshallingFailureException("JAXB unmarshalling exception", ex);
}
else {
// fallback
return new UncategorizedMappingException("Unknown JAXB exception", ex);
}
}
private static class Jaxb2AttachmentMarshaller extends AttachmentMarshaller {
private final MimeContainer mimeContainer;
private Jaxb2AttachmentMarshaller(MimeContainer mimeContainer) {
this.mimeContainer = mimeContainer;
}
@Override
public String addMtomAttachment(byte[] data, int offset, int length, String mimeType,
String elementNamespace, String elementLocalName) {
ByteArrayDataSource dataSource = new ByteArrayDataSource(mimeType, data, offset, length);
return addMtomAttachment(new DataHandler(dataSource), elementNamespace, elementLocalName);
}
@Override
public String addMtomAttachment(DataHandler dataHandler, String elementNamespace, String elementLocalName) {
String host = getHost(elementNamespace, dataHandler);
String contentId = UUID.randomUUID() + "@" + host;
this.mimeContainer.addAttachment("<" + contentId + ">", dataHandler);
try {
contentId = URLEncoder.encode(contentId, "UTF-8");
}
catch (UnsupportedEncodingException e) {
// ignore
}
return CID + contentId;
}
private String getHost(String elementNamespace, DataHandler dataHandler) {
try {
URI uri = new URI(elementNamespace);
return uri.getHost();
}
catch (URISyntaxException e) {
// ignore
}
return dataHandler.getName();
}
@Override
public String addSwaRefAttachment(DataHandler dataHandler) {
String contentId = UUID.randomUUID() + "@" + dataHandler.getName();
mimeContainer.addAttachment(contentId, dataHandler);
return contentId;
}
@Override
public boolean isXOPPackage() {
return this.mimeContainer.convertToXopPackage();
}
}
private static class Jaxb2AttachmentUnmarshaller extends AttachmentUnmarshaller {
private final MimeContainer mimeContainer;
private Jaxb2AttachmentUnmarshaller(MimeContainer mimeContainer) {
this.mimeContainer = mimeContainer;
}
@Override
public byte[] getAttachmentAsByteArray(String cid) {
try {
DataHandler dataHandler = getAttachmentAsDataHandler(cid);
return FileCopyUtils.copyToByteArray(dataHandler.getInputStream());
}
catch (IOException ex) {
throw new UnmarshallingFailureException("Couldn't read attachment", ex);
}
}
@Override
public DataHandler getAttachmentAsDataHandler(String contentId) {
if (contentId.startsWith(CID)) {
contentId = contentId.substring(CID.length());
try {
contentId = URLDecoder.decode(contentId, "UTF-8");
}
catch (UnsupportedEncodingException e) {
// ignore
}
contentId = '<' + contentId + '>';
}
return this.mimeContainer.getAttachment(contentId);
}
@Override
public boolean isXOPPackage() {
return this.mimeContainer.isXopPackage();
}
}
/**
* DataSource that wraps around a byte array.
*/
private static class ByteArrayDataSource implements DataSource {
private byte[] data;
private String contentType;
private int offset;
private int length;
private ByteArrayDataSource(String contentType, byte[] data, int offset, int length) {
this.contentType = contentType;
this.data = data;
this.offset = offset;
this.length = length;
}
public InputStream getInputStream() throws IOException {
return new ByteArrayInputStream(this.data, this.offset, this.length);
}
public OutputStream getOutputStream() throws IOException {
throw new UnsupportedOperationException();
}
public String getContentType() {
return this.contentType;
}
public String getName() {
return "ByteArrayDataSource";
}
}
}
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