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package org.glassfish.jersey.message;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.List;
import java.util.Map;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.ReaderInterceptor;
import javax.ws.rs.ext.WriterInterceptor;
import org.glassfish.jersey.internal.PropertiesDelegate;
/**
* An injectable interface providing lookup of {@link MessageBodyReader} and
* {@link MessageBodyWriter} instances.
*
* @author Paul Sandoz
* @see javax.ws.rs.core.Context
* @see MessageBodyReader
* @see MessageBodyWriter
*/
public interface MessageBodyWorkers {
/**
* Get the map of media type to list of message body writers that are compatible with
* a media type.
*
* @param mediaType the compatible media type.
* @return the map of media type to list of message body writers.
*/
public Map> getReaders(MediaType mediaType);
/**
* Get the map of media type to list of message body writers that are compatible with
* a media type.
*
* @param mediaType the compatible media type.
* @return the map of media type to list of message body writers.
*/
public Map> getWriters(MediaType mediaType);
/**
* Convert a map media type to list of message body readers to a string.
*
* @param readers the map media type to list of message body readers
* @return the string representation.
*/
public String readersToString(Map> readers);
/**
* Convert a map media type to list of message body writers to a string.
*
* @param writers the map media type to list of message body readers
* @return the string representation.
*/
public String writersToString(Map> writers);
/**
* Get a message body reader that matches a set of criteria.
*
* @param the type of object to be read.
* @param type the class of object to be read.
* @param genericType the type of object to be produced. E.g. if the message body is
* to be converted into a method parameter, this will be the formal type of
* the method parameter as returned by
* {@code Class.getGenericParameterTypes}.
* @param annotations an array of the annotations on the declaration of the artifact
* that will be initialized with the produced instance. E.g. if the message
* body is to be converted into a method parameter, this will be the
* annotations on that parameter returned by
* {@code Class.getParameterAnnotations}.
* @param mediaType the media type of the data that will be read, this will be
* compared to the values of {@link javax.ws.rs.Consumes} for each
* candidate reader and only matching readers will be queried.
* @return a MessageBodyReader that matches the supplied criteria or null if none is
* found.
*/
MessageBodyReader getMessageBodyReader(Class type, Type genericType, Annotation annotations[], MediaType mediaType);
/**
* Get a message body reader that matches a set of criteria.
*
* @param the type of object to be read.
* @param type the class of object to be read.
* @param genericType the type of object to be produced. E.g. if the message body is
* to be converted into a method parameter, this will be the formal type of
* the method parameter as returned by
* {@code Class.getGenericParameterTypes}.
* @param annotations an array of the annotations on the declaration of the artifact
* that will be initialized with the produced instance. E.g. if the message
* body is to be converted into a method parameter, this will be the
* annotations on that parameter returned by
* {@code Class.getParameterAnnotations}.
* @param mediaType the media type of the data that will be read, this will be
* compared to the values of {@link javax.ws.rs.Consumes} for each
* candidate reader and only matching readers will be queried.
* @param propertiesDelegate request-scoped properties delegate.
* @return a MessageBodyReader that matches the supplied criteria or null if none is
* found.
*/
MessageBodyReader getMessageBodyReader(Class type, Type genericType, Annotation annotations[], MediaType mediaType,
PropertiesDelegate propertiesDelegate);
/**
* Get a message body writer that matches a set of criteria.
*
* @param the type of the object that is to be written.
* @param type the class of object that is to be written.
* @param genericType the type of object to be written. E.g. if the message body is to
* be produced from a field, this will be the declared type of the field as
* returned by {@code Field.getGenericType}.
* @param annotations an array of the annotations on the declaration of the artifact
* that will be written. E.g. if the message body is to be produced from a
* field, this will be the annotations on that field returned by
* {@code Field.getDeclaredAnnotations}.
* @param mediaType the media type of the data that will be written, this will be
* compared to the values of {@link javax.ws.rs.Produces} for each
* candidate writer and only matching writers will be queried.
* @return a MessageBodyReader that matches the supplied criteria or null if none is
* found.
*/
MessageBodyWriter getMessageBodyWriter(Class type, Type genericType, Annotation annotations[], MediaType mediaType);
/**
* Get a message body writer that matches a set of criteria.
*
* @param the type of the object that is to be written.
* @param type the class of object that is to be written.
* @param genericType the type of object to be written. E.g. if the message body is to
* be produced from a field, this will be the declared type of the field as
* returned by {@code Field.getGenericType}.
* @param annotations an array of the annotations on the declaration of the artifact
* that will be written. E.g. if the message body is to be produced from a
* field, this will be the annotations on that field returned by
* {@code Field.getDeclaredAnnotations}.
* @param mediaType the media type of the data that will be written, this will be
* compared to the values of {@link javax.ws.rs.Produces} for each
* candidate writer and only matching writers will be queried.
* @param propertiesDelegate request-scoped properties delegate.
* @return a MessageBodyReader that matches the supplied criteria or null if none is
* found.
*/
MessageBodyWriter getMessageBodyWriter(Class type, Type genericType, Annotation annotations[], MediaType mediaType,
PropertiesDelegate propertiesDelegate);
/**
* Get the list of media types supported for a Java type.
*
* @param type the class of object that is to be read.
* @param genericType the type of object to be read. E.g. if the message body is to be
* read as a method parameter, this will be the declared type of the
* parameter as returned by {@code Method.getGenericParameterTypes}.
* @param annotations an array of the annotations on the declaration of the artifact
* that will be read. E.g. if the message body is to be consumed as a
* method parameter, this will be the annotations on that parameter
* returned by {@code Method.getParameterAnnotations}.
* @return the list of supported media types, the list is ordered as follows: a/b <
* a/* < *\\/*
*/
List getMessageBodyReaderMediaTypes(Class type, Type genericType, Annotation[] annotations);
/**
* Get the list of media types supported for a Java type.
*
* @param type the class of object that is to be read.
* @return the list of supported media types, the list is ordered as follows: a/b <
* a/* < *\\/*
*/
List getMessageBodyReaderMediaTypesByType(Class type);
/**
* Get a list of {@code MessageBodyReader}s that are suitable for the given {@code type}. The list is sorted based on the
* class hierarchy (most specific readers are first).
*
* @param type the class of object readers are requested for.
* @return the list of supported {@code MessageBodyReader}s for given class.
*/
List getMessageBodyReadersForType(Class type);
/**
* Get a list of {@code MessageBodyReader} models that are suitable for the given {@code type}.
*
* The list is sorted based on the class hierarchy (most specific readers are first).
*
* @param type the class of object readers are requested for.
* @return the list of supported {@code MessageBodyReader} models for given class.
* @since 2.16
*/
List getReaderModelsForType(Class type);
/**
* Get the list of media types supported for a Java type.
*
* @param type the class of object that is to be written.
* @param genericType the type of object to be written. E.g. if the message body is to
* be produced from a field, this will be the declared type of the field as
* returned by {@code Field.getGenericType}.
* @param annotations an array of the annotations on the declaration of the artifact
* that will be written. E.g. if the message body is to be produced from a
* field, this will be the annotations on that field returned by
* {@code Field.getDeclaredAnnotations}.
* @return the list of supported media types, the list is ordered as follows: a/b <
* a/* < *\\/*
*/
List getMessageBodyWriterMediaTypes(Class type, Type genericType, Annotation[] annotations);
/**
* Get the list of media types supported for a Java type.
*
* @param type the class of object that is to be written.
* @return the list of supported media types, the list is ordered as follows: a/b <
* a/* < *\\/*
*/
List getMessageBodyWriterMediaTypesByType(Class type);
/**
* Get a list of {@code MessageBodyWriter}s that are suitable for the given {@code type}. The list is sorted based on the
* class hierarchy (most specific writers are first).
*
* @param type the class of object writers are requested for.
* @return the list of supported {@code MessageBodyWriter}s for given class.
*/
List getMessageBodyWritersForType(Class type);
/**
* Get a list of {@code MessageBodyWriter} models that are suitable for the given {@code type}.
*
* The list is sorted based on the class hierarchy (most specific writers are first).
*
* @param type the class of object writers are requested for.
* @return the list of supported {@code MessageBodyWriter} models for given class.
* @since 2.16
*/
List getWritersModelsForType(Class type);
/**
* Get the most acceptable media type supported for a Java type given a set of
* acceptable media types.
*
* @param type the class of object that is to be written.
* @param genericType the type of object to be written. E.g. if the message body is to
* be produced from a field, this will be the declared type of the field as
* returned by {@code Field.getGenericType}.
* @param annotations an array of the annotations on the declaration of the artifact
* that will be written. E.g. if the message body is to be produced from a
* field, this will be the annotations on that field returned by
* {@code Field.getDeclaredAnnotations}.
* @param acceptableMediaTypes the list of acceptable media types, sorted according to
* the quality with the media type of highest quality occurring first
* first.
* @return the best media types
*/
MediaType getMessageBodyWriterMediaType(Class type, Type genericType, Annotation[] annotations,
List acceptableMediaTypes);
/**
* Reads a type from the {@link InputStream entityStream} using interceptors. If the
* parameter {@code intercept} is true then {@link ReaderInterceptor reader
* interceptors} are executed before calling the {@link MessageBodyReader message
* body reader}. The appropriate {@link MessageBodyReader message body reader} is
* chosen after the interceptor execution based on parameter passed to this method
* and modified by the interceptors.
*
* @param rawType raw Java entity type.
* @param type generic Java entity type.
* @param annotations an array of the annotations on the declaration of the artifact
* that will be initialized with the produced instance. E.g. if the message
* body is to be converted into a method parameter, this will be the
* annotations on that parameter returned by
* {@code Method.getParameterAnnotations}.
* @param mediaType the media type of the HTTP entity.
* @param httpHeaders the mutable HTTP headers associated with HTTP entity.
* @param propertiesDelegate request-scoped properties delegate.
* @param entityStream the {@link InputStream} of the HTTP entity. The stream is not
* closed after reading the entity.
* @param readerInterceptors Reader interceptor that are to be used to intercept the reading of an entity. The interceptors
* will be executed in the same order as given in this parameter.
* @param translateNce if {@code true}, the {@link javax.ws.rs.core.NoContentException} thrown by a selected message body
* reader will be translated into a {@link javax.ws.rs.BadRequestException} as required by
* JAX-RS specification on the server side.
* @return the entity that was read from the {@code entityStream}.
* @throws WebApplicationException Thrown when {@link MessageBodyReader message body
* reader} fails.
* @throws IOException Thrown when reading from the {@code entityStream} fails.
*/
public Object readFrom(Class rawType,
Type type,
Annotation[] annotations,
MediaType mediaType,
MultivaluedMap httpHeaders,
PropertiesDelegate propertiesDelegate,
InputStream entityStream,
Iterable readerInterceptors,
boolean translateNce)
throws WebApplicationException, IOException;
/**
* Writers a type to the {@link OutputStream entityStream} using interceptors. If the
* parameter {@code intercept} is true then {@link WriterInterceptor writer
* interceptors} are executed before calling the {@link MessageBodyWriter message
* body writer}. The appropriate {@link MessageBodyWriter message body writer} is
* chosen after the interceptor execution based on parameter passed to this method
* and modified by the interceptors.
*
* @param entity Entity to be written to the entityStream
* @param rawType raw Java entity type.
* @param type generic Java entity type.
* @param annotations an array of the annotations on the resource method that returns
* the object.
* @param mediaType the media type of the HTTP entity.
* @param httpHeaders the mutable HTTP headers associated with HTTP entity.
* @param propertiesDelegate request-scoped properties delegate.
* @param entityStream the {@link OutputStream} for the HTTP entity.
* @param writerInterceptors Writer interceptor that are to be used to intercept the writing of an entity. The interceptors
* will be executed in the same order as given in this parameter.
* @return Outer output stream that should be closed by the caller.
* @throws WebApplicationException Thrown when {@link MessageBodyReader message body
* reader} fails.
* @throws IOException Thrown when reading from the {@code entityStream} fails.
*/
public OutputStream writeTo(Object entity, Class rawType, Type type, Annotation[] annotations, MediaType mediaType,
MultivaluedMap httpHeaders, PropertiesDelegate propertiesDelegate,
OutputStream entityStream,
Iterable writerInterceptors)
throws java.io.IOException, javax.ws.rs.WebApplicationException;
}
