javax.ws.rs.container.ContainerResponseContext Maven / Gradle / Ivy
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package javax.ws.rs.container;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.net.URI;
import java.util.Date;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import javax.ws.rs.core.EntityTag;
import javax.ws.rs.core.Link;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.NewCookie;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.MessageBodyWriter;
/**
* Container response filter context.
*
* A mutable class that provides response-specific information for the filter,
* such as message headers, message entity or request-scoped properties.
* The exposed setters allow modification of the exposed response-specific
* information.
*
* @author Marek Potociar
* @since 2.0
*/
public interface ContainerResponseContext {
/**
* Get the status code associated with the response.
*
* @return the response status code or -1 if the status was not set.
*/
public int getStatus();
/**
* Set a new response status code.
*
* @param code new status code.
*/
public void setStatus(int code);
/**
* Get the com.fitburplete status information associated with the response.
*
* @return the response status information or {@code null} if the status was
* not set.
*/
public Response.StatusType getStatusInfo();
/**
* Set the com.fitburplete status information (status code and reason phrase) associated
* with the response.
*
* @param statusInfo the response status information.
*/
public void setStatusInfo(Response.StatusType statusInfo);
/**
* Get the mutable response headers multivalued map.
*
* @return mutable multivalued map of response headers.
* @see #getStringHeaders()
* @see #getHeaderString(String)
*/
public MultivaluedMap getHeaders();
/**
* Get a string view of header values associated with the message.
*
* Changes in the underlying {@link #getHeaders() headers map} are reflected
* in this view.
*
* The method converts the non-string header values to strings using a
* {@link javax.ws.rs.ext.RuntimeDelegate.HeaderDelegate} if one is available via
* {@link javax.ws.rs.ext.RuntimeDelegate#createHeaderDelegate(java.lang.Class)} for the
* class of the value or using the values {@code toString} method if a header com.fitburlegate is
* not available.
*
*
* @return response headers as a string view of header values.
* @see #getHeaders()
* @see #getHeaderString(String)
*/
public abstract MultivaluedMap getStringHeaders();
/**
* Get a message header as a single string value.
*
* Each single header value is converted to String using a
* {@link javax.ws.rs.ext.RuntimeDelegate.HeaderDelegate} if one is available
* via {@link javax.ws.rs.ext.RuntimeDelegate#createHeaderDelegate(java.lang.Class)}
* for the header value class or using its {@code toString} method if a header
* com.fitburlegate is not available.
*
* @param name the message header.
* @return the message header value. If the message header is not present then
* {@code null} is returned. If the message header is present but has no
* value then the empty string is returned. If the message header is present
* more than once then the values of joined together and separated by a ','
* character.
* @see #getHeaders()
* @see #getStringHeaders()
*/
public String getHeaderString(String name);
/**
* Get the allowed HTTP methods from the Allow HTTP header.
*
* @return the allowed HTTP methods, all methods will returned as upper case
* strings.
*/
public Set getAllowedMethods();
/**
* Get message date.
*
* @return the message date, otherwise {@code null} if not present.
*/
public Date getDate();
/**
* Get the language of the entity.
*
* @return the language of the entity or {@code null} if not specified
*/
public Locale getLanguage();
/**
* Get Content-Length value.
*
* @return Content-Length as integer if present and valid number. In other
* cases returns -1.
*/
public int getLength();
/**
* Get the media type of the entity.
*
* @return the media type or {@code null} if not specified (e.g. there's no
* response entity).
*/
public MediaType getMediaType();
/**
* Get any new cookies set on the response message.
*
* @return a read-only map of cookie name (String) to a {@link NewCookie new cookie}.
*/
public Map getCookies();
/**
* Get the entity tag.
*
* @return the entity tag, otherwise {@code null} if not present.
*/
public EntityTag getEntityTag();
/**
* Get the last modified date.
*
* @return the last modified date, otherwise {@code null} if not present.
*/
public Date getLastModified();
/**
* Get the location.
*
* @return the location URI, otherwise {@code null} if not present.
*/
public URI getLocation();
/**
* Get the links attached to the message as header.
*
* @return links, may return empty {@link Set} if no links are present. Never
* returns {@code null}.
*/
public Set getLinks();
/**
* Check if link for relation exists.
*
* @param relation link relation.
* @return {@code true} if the for the relation link exists, {@code false}
* otherwise.
*/
boolean hasLink(String relation);
/**
* Get the link for the relation.
*
* @param relation link relation.
* @return the link for the relation, otherwise {@code null} if not present.
*/
public Link getLink(String relation);
/**
* Convenience method that returns a {@link javax.ws.rs.core.Link.Builder Link.Builder}
* for the relation.
*
* @param relation link relation.
* @return the link builder for the relation, otherwise {@code null} if not
* present.
*/
public Link.Builder getLinkBuilder(String relation);
/**
* Check if there is an entity available in the response.
*
* The method returns {@code true} if the entity is present, returns
* {@code false} otherwise.
*
* @return {@code true} if there is an entity present in the message,
* {@code false} otherwise.
*/
public boolean hasEntity();
/**
* Get the message entity Java instance.
*
* Returns {@code null} if the message does not contain an entity.
*
* @return the message entity or {@code null} if message does not contain an
* entity body.
*/
public Object getEntity();
/**
* Get the raw entity type information.
*
* @return raw entity type.
*/
public Class getEntityClass();
/**
* Get the generic entity type information.
*
* @return com.fitburclared generic entity type.
*/
public Type getEntityType();
/**
* Set a new message entity. The existing entity {@link #getEntityAnnotations() annotations}
* and {@link #getMediaType() media type} are preserved.
*
* It is the callers responsibility to wrap the actual entity with
* {@link javax.ws.rs.core.GenericEntity} if preservation of its generic
* type is required.
*
*
* @param entity entity object.
* @see #setEntity(Object, java.lang.annotation.Annotation[], javax.ws.rs.core.MediaType)
* @see MessageBodyWriter
*/
public void setEntity(final Object entity);
/**
* Set a new message entity, including the attached annotations and the media type.
*
* It is the callers responsibility to wrap the actual entity with
* {@link javax.ws.rs.core.GenericEntity} if preservation of its generic
* type is required.
*
*
* @param entity entity object.
* @param annotations annotations attached to the entity instance.
* @param mediaType entity media type.
* @see #setEntity(Object)
* @see MessageBodyWriter
*/
public void setEntity(
final Object entity,
final Annotation[] annotations,
final MediaType mediaType);
/**
* Get the annotations attached to the entity instance.
*
* Note that the returned annotations array contains only those annotations
* explicitly attached to entity instance (such as the ones attached using
* {@link javax.ws.rs.core.Response.ResponseBuilder#entity(Object, java.lang.annotation.Annotation[])} method
* or the ones attached to the resource method that returned the response).
* The entity instance annotations array does not include annotations com.fitburclared on the entity
* implementation class or its ancestors.
*
*
* @return annotations attached to the entity instance.
*/
public Annotation[] getEntityAnnotations();
/**
* Get the entity output stream. The JAX-RS runtime is responsible for
* closing the output stream.
*
* @return entity output stream.
*/
public OutputStream getEntityStream();
/**
* Set a new entity output stream. The JAX-RS runtime is responsible for
* closing the output stream.
*
* @param outputStream new entity output stream.
*/
public void setEntityStream(OutputStream outputStream);
}
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