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package javax.ws.rs.client;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.net.URI;
import java.util.Collection;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import javax.ws.rs.core.Configuration;
import javax.ws.rs.core.Cookie;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.MessageBodyWriter;
/**
* Client request filter context.
*
* A mutable class that provides request-specific information for the filter,
* such as request URI, message headers, message entity or request-scoped
* properties. The exposed setters allow modification of the exposed request-specific
* information.
*
* @author Marek Potociar
* @since 2.0
*/
public interface ClientRequestContext {
/**
* Returns the property with the given name registered in the current request/response
* exchange context, or {@code null} if there is no property by that name.
*
* A property allows a JAX-RS filters and interceptors to exchange
* additional custom information not already provided by this interface.
*
*
* A list of supported properties can be retrieved using {@link #getPropertyNames()}.
* Custom property names should follow the same convention as package names.
*
*
* @param name a {@code String} specifying the name of the property.
* @return an {@code Object} containing the value of the property, or
* {@code null} if no property exists matching the given name.
* @see #getPropertyNames()
*/
public Object getProperty(String name);
/**
* Returns an immutable {@link Collection collection} containing the property names
* available within the context of the current request/response exchange context.
*
* Use the {@link #getProperty} method with a property name to get the value of
* a property.
*
*
* @return an immutable {@link Collection collection} of property names.
* @see #getProperty
*/
public Collection getPropertyNames();
/**
* Binds an object to a given property name in the current request/response
* exchange context. If the name specified is already used for a property,
* this method will replace the value of the property with the new value.
*
* A property allows a JAX-RS filters and interceptors to exchange
* additional custom information not already provided by this interface.
*
*
* A list of supported properties can be retrieved using {@link #getPropertyNames()}.
* Custom property names should follow the same convention as package names.
*
*
* If a {@code null} value is passed, the effect is the same as calling the
* {@link #removeProperty(String)} method.
*
*
* @param name a {@code String} specifying the name of the property.
* @param object an {@code Object} representing the property to be bound.
*/
public void setProperty(String name, Object object);
/**
* Removes a property with the given name from the current request/response
* exchange context. After removal, subsequent calls to {@link #getProperty}
* to retrieve the property value will return {@code null}.
*
* @param name a {@code String} specifying the name of the property to be removed.
*/
public void removeProperty(String name);
/**
* Get the request URI.
*
* @return request URI.
*/
public URI getUri();
/**
* Set a new request URI.
*
* @param uri new request URI.
*/
public void setUri(URI uri);
/**
* Get the request method.
*
* @return the request method.
* @see javax.ws.rs.HttpMethod
*/
public String getMethod();
/**
* Set the request method.
*
* @param method new request method.
* @see javax.ws.rs.HttpMethod
*/
public void setMethod(String method);
/**
* Get the mutable request headers multivalued map.
*
* @return mutable multivalued map of request 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 delegate 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
* delegate 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 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 the media type of the entity.
*
* @return the media type or {@code null} if not specified (e.g. there's no
* request entity).
*/
public MediaType getMediaType();
/**
* Get a list of media types that are acceptable for the response.
*
* @return a read-only list of requested response media types sorted according
* to their q-value, with highest preference first.
*/
public List getAcceptableMediaTypes();
/**
* Get a list of languages that are acceptable for the response.
*
* @return a read-only list of acceptable languages sorted according
* to their q-value, with highest preference first.
*/
public List getAcceptableLanguages();
/**
* Get any cookies that accompanied the request.
*
* @return a read-only map of cookie name (String) to {@link Cookie}.
*/
public Map getCookies();
/**
* Check if there is an entity available in the request.
*
* 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 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 Entity#Entity(Object, javax.ws.rs.core.MediaType, java.lang.annotation.Annotation[])} method).
* The entity instance annotations array does not include annotations declared 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);
/**
* Get the client instance associated with the request.
*
* @return client instance associated with the request.
*/
public Client getClient();
/**
* Get the immutable configuration of the request.
*
* @return immutable request configuration.
*/
public Configuration getConfiguration();
/**
* Abort the filter chain with a response.
*
* This method breaks the filter chain processing and returns the provided
* response back to the client. The provided response goes through the
* chain of applicable response filters.
*
* @param response response to be sent back to the client.
*/
public void abortWith(Response response);
}
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