com.sun.jersey.multipart.impl.MultiPartReaderClientSide Maven / Gradle / Ivy
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package com.sun.jersey.multipart.impl;
import com.sun.jersey.core.header.MediaTypes;
import com.sun.jersey.multipart.BodyPart;
import com.sun.jersey.multipart.BodyPartEntity;
import com.sun.jersey.multipart.FormDataBodyPart;
import com.sun.jersey.multipart.FormDataMultiPart;
import com.sun.jersey.multipart.MultiPart;
import com.sun.jersey.multipart.MultiPartConfig;
import com.sun.jersey.spi.inject.ClientSide;
import com.sun.jersey.spi.inject.ConstrainedTo;
import java.io.IOException;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.List;
import java.util.Map;
import javax.ws.rs.Consumes;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response.Status;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.Provider;
import javax.ws.rs.ext.Providers;
import org.jvnet.mimepull.Header;
import org.jvnet.mimepull.MIMEConfig;
import org.jvnet.mimepull.MIMEMessage;
import org.jvnet.mimepull.MIMEParsingException;
import org.jvnet.mimepull.MIMEPart;
/**
* {@link Provider} {@link MessageBodyReader} implementation for
* {@link MultiPart} entities.
*/
@ConstrainedTo(ClientSide.class)
@Consumes("multipart/*")
public class MultiPartReaderClientSide implements MessageBodyReader {
/**
* Injectable helper to look up appropriate {@link Provider}s
* for our body parts.
*/
private final Providers providers;
/**
* Injected configuration parameters for this application.
*/
private final MultiPartConfig config;
private final MIMEConfig mimeConfig;
/**
* Accept constructor injection of the configuration parameters for this
* application.
*/
public MultiPartReaderClientSide(@Context Providers providers, @Context MultiPartConfig config) {
this.providers = providers;
if (config == null) {
throw new IllegalArgumentException("The MultiPartConfig instance we expected is not present. Have you registered the MultiPartConfigProvider class?");
}
this.config = config;
mimeConfig = new MIMEConfig();
mimeConfig.setMemoryThreshold(config.getBufferThreshold());
}
public boolean isReadable(Class type, Type genericType,
Annotation[] annotations, MediaType mediaType) {
return MultiPart.class.isAssignableFrom(type);
}
/**
* Read the entire list of body parts from the Input stream, using the
* appropriate provider implementation to deserialize each body part's entity.
*
* @param type The class of the object to be read (i.e. {@link MultiPart}.class)
* @param genericType The type of object to be written
* @param annotations Annotations on the resource method that returned this object
* @param mediaType Media type (multipart/*) of this entity
* @param headers Mutable map of HTTP headers for the entire response
* @param stream Output stream to which the entity should be written
*
* @throws java.io.IOException if an I/O error occurs
* @throws javax.ws.rs.WebApplicationException if an HTTP error response
* needs to be produced (only effective if the response is not committed yet)
* @throws javax.ws.rs.WebApplicationException if the Content-Disposition
* header of a multipart/form-data body part cannot be parsed
*/
public MultiPart readFrom(Class type, Type genericType,
Annotation[] annotations, MediaType mediaType,
MultivaluedMap headers,
InputStream stream) throws IOException, WebApplicationException {
try {
return readMultiPart(type, genericType, annotations, mediaType, headers, stream);
} catch (MIMEParsingException ex) {
throw new WebApplicationException(ex, Status.BAD_REQUEST);
}
}
protected MultiPart readMultiPart(Class type, Type genericType,
Annotation[] annotations, MediaType mediaType,
MultivaluedMap headers,
InputStream stream) throws IOException, MIMEParsingException {
MIMEMessage mm = new MIMEMessage(stream,
mediaType.getParameters().get("boundary"),
mimeConfig);
boolean formData = false;
MultiPart multiPart = null;
if (MediaTypes.typeEquals(mediaType, MediaType.MULTIPART_FORM_DATA_TYPE)) {
multiPart = new FormDataMultiPart();
formData = true;
} else {
multiPart = new MultiPart();
}
multiPart.setProviders(providers);
MultivaluedMap mpHeaders = multiPart.getHeaders();
for (Map.Entry> entry : headers.entrySet()) {
List values = entry.getValue();
for (String value : values) {
mpHeaders.add(entry.getKey(), value);
}
}
if (!formData) {
multiPart.setMediaType(mediaType);
}
for (MIMEPart mp : mm.getAttachments()) {
BodyPart bodyPart = null;
if (formData) {
bodyPart = new FormDataBodyPart();
} else {
bodyPart = new BodyPart();
}
// Configure providers
bodyPart.setProviders(providers);
// Copy headers
for (Header h : mp.getAllHeaders()) {
bodyPart.getHeaders().add(h.getName(), h.getValue());
}
try {
String contentType = bodyPart.getHeaders().getFirst("Content-Type");
if (contentType != null)
bodyPart.setMediaType(MediaType.valueOf(contentType));
bodyPart.getContentDisposition();
} catch (IllegalArgumentException ex) {
throw new WebApplicationException(ex, Status.BAD_REQUEST);
}
// Copy data into a BodyPartEntity structure
bodyPart.setEntity(new BodyPartEntity(mp));
// Add this BodyPart to our MultiPart
multiPart.getBodyParts().add(bodyPart);
}
return multiPart;
}
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