org.eclipse.jetty.client.api.ContentProvider Maven / Gradle / Ivy
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//
// ========================================================================
// Copyright (c) 1995-2012 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.client.api;
import java.nio.ByteBuffer;
import org.eclipse.jetty.client.util.ByteBufferContentProvider;
import org.eclipse.jetty.client.util.PathContentProvider;
/**
* {@link ContentProvider} provides a repeatable source of request content.
*
* Implementations should return a new "view" over the same content every time {@link #iterator()} is invoked.
*
* Applications should rely on utility classes such as {@link ByteBufferContentProvider}
* or {@link PathContentProvider}.
*/
public interface ContentProvider extends Iterable
{
/**
* @return the content length, if known, or -1 if the content length is unknown
*/
long getLength();
}