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/*
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the "License").  You may not use this file except
 * in compliance with the License.
 *
 * You can obtain a copy of the license at
 * http://www.opensource.org/licenses/cddl1.php
 * See the License for the specific language governing
 * permissions and limitations under the License.
 */

/*
 * StreamingOutput.java
 * 
 * Created on March 3, 2008, 4:00 PM
 * 
 */

package javax.ws.rs.core;

import java.io.IOException;
import java.io.OutputStream;
import javax.ws.rs.WebApplicationException;

/**
 * A type that may be used as a resource method return value or as the entity 
 * in a {@link Response} when the application wishes to stream the output. 
 * This is a lightweight alternative to a 
 * {@link javax.ws.rs.ext.MessageBodyWriter}.
 * 
 * @see javax.ws.rs.ext.MessageBodyWriter
 * @see javax.ws.rs.core.Response
 */
public interface StreamingOutput {
    /**
     * Called to write the message body. 
     * @param output the OutputStream to write to.
     * @throws java.io.IOException if an IO error is encountered
     * @throws javax.ws.rs.WebApplicationException if a specific 
     * HTTP error response needs to be produced. Only effective if thrown prior
     * to any bytes being written to output.
     */
    void write(OutputStream output) throws IOException, WebApplicationException; 
}