javax.ws.rs.ext

Interface ReaderInterceptorContext

All Superinterfaces:

InterceptorContext

All Known Implementing Classes:

AbstractReaderInterceptorContext, ClientReaderInterceptorContext, ServerReaderInterceptorContext

public interface ReaderInterceptorContext
extends InterceptorContext

Context class used by ReaderInterceptor to intercept calls to (@link javax.ws.rs.ext.MessageBodyReader#readFrom}. The getters and setters in this context class correspond to the parameters of the intercepted method.

Since:

2.0

Author:

Santiago Pericas-Geertsen, Bill Burke

See Also:

ReaderInterceptor, MessageBodyReader

Method Summary

Modifier and Type	Method and Description
MultivaluedMap<String,String>	getHeaders() Get mutable map of HTTP headers.
InputStream	getInputStream() Get the input stream of the object to be read.
Object	proceed() Proceed to the next interceptor in the chain.
void	setInputStream(InputStream is) Update the input stream of the object to be read.

Methods inherited from interface javax.ws.rs.ext.InterceptorContext

getAnnotations, getGenericType, getMediaType, getProperty, getPropertyNames, getType, removeProperty, setAnnotations, setGenericType, setMediaType, setProperty, setType

Method Detail

proceed

Object proceed()
        throws IOException,
               WebApplicationException

Proceed to the next interceptor in the chain. Return the result of the next interceptor invoked. Interceptors MUST explicitly call this method to continue the execution chain; the call to this method in the last interceptor of the chain will invoke the wrapped MessageBodyReader.readFrom(java.lang.Class<T>, java.lang.reflect.Type, java.lang.annotation.Annotation[], javax.ws.rs.core.MediaType, javax.ws.rs.core.MultivaluedMap<java.lang.String, java.lang.String>, java.io.InputStream).

Returns:

result of next interceptor invoked.

Throws:

IOException - if an IO error arises or is thrown by the wrapped MessageBodyReader.readFrom method.

WebApplicationException - thrown by the wrapped MessageBodyReader.readFrom method.

getInputStream

InputStream getInputStream()

Get the input stream of the object to be read. The JAX-RS runtime is responsible for closing the input stream.

Returns:

input stream of the object to be read.

setInputStream

void setInputStream(InputStream is)

Update the input stream of the object to be read. For example, by wrapping it with another input stream. The JAX-RS runtime is responsible for closing the input stream.

Parameters:

is - new input stream.

getHeaders

MultivaluedMap<String,String> getHeaders()

Get mutable map of HTTP headers.

Note that while the headers are mutable, a reader interceptor should typically roll-back any header modifications once the call to context.proceed() returns, to avoid externally visible side-effects of the interceptor invocation.

Returns:

map of HTTP headers.