org.glassfish.jersey.media.multipart.BodyPart Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jersey-min Show documentation
Show all versions of jersey-min Show documentation
jersey-min is a rebundled (minmal) verison of Jersey as one OSGi bundle.
The newest version!
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2012-2015 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* http://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.glassfish.jersey.media.multipart;
import java.io.IOException;
import java.lang.annotation.Annotation;
import java.text.ParseException;
import javax.ws.rs.ProcessingException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.Providers;
import org.glassfish.jersey.internal.util.collection.ImmutableMultivaluedMap;
import org.glassfish.jersey.media.multipart.internal.LocalizationMessages;
import org.glassfish.jersey.message.MessageBodyWorkers;
import org.glassfish.jersey.message.internal.HeaderUtils;
import org.glassfish.jersey.message.internal.ParameterizedHeader;
/**
* A mutable model representing a body part nested inside a MIME MultiPart entity.
*
* @author Craig McClanahan
* @author Paul Sandoz
* @author Michal Gajdos
*/
public class BodyPart {
protected ContentDisposition contentDisposition = null;
private Object entity;
private final MultivaluedMap headers = HeaderUtils.createInbound();
/**
* Media type of this body part.
*/
private MediaType mediaType = null;
public MessageBodyWorkers messageBodyWorkers;
/**
* Parent of this body part.
*/
private MultiPart parent = null;
private Providers providers = null;
/**
* Instantiates a new {@code BodyPart} with a {@code mediaType} of
* {@code text/plain}.
*/
public BodyPart() {
this(MediaType.TEXT_PLAIN_TYPE);
}
/**
* Instantiates a new {@code BodyPart} with the specified characteristics.
*
* @param mediaType {@link MediaType} for this body part.
*/
public BodyPart(final MediaType mediaType) {
setMediaType(mediaType);
}
/**
* Instantiates a new {@code BodyPart} with the specified characteristics.
*
* @param entity entity for this body part.
* @param mediaType {@link MediaType} for this body part.
*/
public BodyPart(final Object entity, final MediaType mediaType) {
setEntity(entity);
setMediaType(mediaType);
}
/**
* Returns the entity object to be unmarshalled from a request, or to be
* marshalled on a response.
*
* @return an entity of this body part.
* @throws IllegalStateException if this method is called on a {@link MultiPart} instance; access the underlying
* {@code BodyPart}s instead
*/
public Object getEntity() {
return this.entity;
}
/**
* Set the entity object to be unmarshalled from a request, or to be marshalled on a response.
*
* @param entity the new entity object.
* @throws IllegalStateException if this method is called on a {@link MultiPart} instance; access the underlying
* {@code BodyPart}s instead
*/
public void setEntity(final Object entity) {
this.entity = entity;
}
/**
* Returns a mutable map of HTTP header value(s) for this {@code BodyPart}, keyed by the header name. Key comparisons in
* the returned map must be case-insensitive.
*
* Note: MIME specifications says only headers that match {@code Content-*} should be included on a {@code BodyPart}.
*
* @return mutable map of HTTP header values.
*/
public MultivaluedMap getHeaders() {
return this.headers;
}
/**
* Returns an immutable map of parameterized HTTP header value(s) for this {@code BodyPart},
* keyed by header name. Key comparisons in the returned map must be case-insensitive. If you wish to modify the headers
* map for this {@code BodyPart}, modify the map returned by {@code getHeaders()} instead.
*
* @return immutable map of HTTP header values.
* @throws ParseException if an un-expected/in-correct value is found during parsing the headers.
*/
public MultivaluedMap getParameterizedHeaders() throws ParseException {
return new ImmutableMultivaluedMap<>(new ParameterizedHeadersMap(headers));
}
/**
* Gets the content disposition.
*
* The "Content-Disposition" header, if present, will be parsed.
*
* @return the content disposition, will be null if not present.
* @throws IllegalArgumentException if the content disposition header cannot be parsed.
*/
public ContentDisposition getContentDisposition() {
if (contentDisposition == null) {
final String scd = headers.getFirst("Content-Disposition");
if (scd != null) {
try {
contentDisposition = new ContentDisposition(scd);
} catch (final ParseException ex) {
throw new IllegalArgumentException("Error parsing content disposition: " + scd, ex);
}
}
}
return contentDisposition;
}
/**
* Sets the content disposition.
*
* @param contentDisposition the content disposition.
*/
public void setContentDisposition(final ContentDisposition contentDisposition) {
this.contentDisposition = contentDisposition;
headers.remove("Content-Disposition");
}
/**
* Returns the {@link MediaType} for this {@code BodyPart}. If not
* set, the default {@link MediaType} MUST be {@code text/plain}.
*
* @return media type for this body part.
*/
public MediaType getMediaType() {
return this.mediaType;
}
/**
* Sets the {@link MediaType} for this {@code BodyPart}.
*
* @param mediaType the new {@link MediaType}.
* @throws IllegalArgumentException if the {@code mediaType} is {@code null}.
*/
public void setMediaType(final MediaType mediaType) {
if (mediaType == null) {
throw new IllegalArgumentException("mediaType cannot be null");
}
this.mediaType = mediaType;
}
/**
* Returns the parent {@link MultiPart} (if any) for this {@code BodyPart}.
*
* @return parent of this body type, {@code null} if not set.
*/
public MultiPart getParent() {
return this.parent;
}
/**
* Sets the parent {@link MultiPart} (if any) for this {@code BodyPart}.
*
* @param parent the new parent.
*/
public void setParent(final MultiPart parent) {
this.parent = parent;
}
/**
* Returns the configured {@link Providers} for this {@code BodyPart}.
*
* @return providers of this body part.
*/
public Providers getProviders() {
return this.providers;
}
/**
* Sets the configured {@link Providers} for this {@code BodyPart}.
*
* @param providers the new {@link Providers}.
*/
public void setProviders(final Providers providers) {
this.providers = providers;
}
/**
* Perform any necessary cleanup at the end of processing this
* {@code BodyPart}.
*/
public void cleanup() {
if ((getEntity() != null) && (getEntity() instanceof BodyPartEntity)) {
((BodyPartEntity) getEntity()).cleanup();
}
}
/**
* Builder pattern method to return this {@code BodyPart} after additional configuration.
*
* @param entity entity to set for this {@code BodyPart}.
* @return body-part instance.
*/
public BodyPart entity(final Object entity) {
setEntity(entity);
return this;
}
/**
* Returns the entity after appropriate conversion to the requested type. This is useful only when the containing
* {@link MultiPart} instance has been received, which causes the {@code providers} property to have been set.
*
* @param clazz desired class into which the entity should be converted.
* @return entity after appropriate conversion to the requested type.
*
* @throws ProcessingException if an IO error arises during reading an entity.
* @throws IllegalArgumentException if no {@link MessageBodyReader} can be found to perform the requested conversion.
* @throws IllegalStateException if this method is called when the {@code providers} property has not been set or when the
* entity instance is not the unconverted content of the body part entity.
*/
public T getEntityAs(final Class clazz) {
if (entity == null || !(entity instanceof BodyPartEntity)) {
throw new IllegalStateException(LocalizationMessages.ENTITY_HAS_WRONG_TYPE());
}
if (clazz == BodyPartEntity.class) {
return clazz.cast(entity);
}
final Annotation[] annotations = new Annotation[0];
final MessageBodyReader reader = messageBodyWorkers.getMessageBodyReader(clazz, clazz, annotations, mediaType);
if (reader == null) {
throw new IllegalArgumentException(LocalizationMessages.NO_AVAILABLE_MBR(clazz, mediaType));
}
try {
return reader.readFrom(clazz, clazz, annotations, mediaType, headers, ((BodyPartEntity) entity).getInputStream());
} catch (final IOException ioe) {
throw new ProcessingException(LocalizationMessages.ERROR_READING_ENTITY(String.class), ioe);
}
}
/**
* Builder pattern method to return this {@code BodyPart} after additional configuration.
*
* @param type media type to set for this {@code BodyPart}.
* @return body-part instance.
*/
public BodyPart type(final MediaType type) {
setMediaType(type);
return this;
}
/**
* Builder pattern method to return this {@code BodyPart} after
* additional configuration.
*
* @param contentDisposition content disposition to set for this {@code BodyPart}.
* @return body-part instance.
*/
public BodyPart contentDisposition(final ContentDisposition contentDisposition) {
setContentDisposition(contentDisposition);
return this;
}
/**
* Set message body workers used to transform an entity stream into particular Java type.
*
* @param messageBodyWorkers message body workers.
*/
public void setMessageBodyWorkers(final MessageBodyWorkers messageBodyWorkers) {
this.messageBodyWorkers = messageBodyWorkers;
}
}