core/src/main/java/org/jclouds/io/Payload.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jclouds.io;

import java.io.Closeable;
import java.io.InputStream;
import java.io.IOException;

import com.google.common.io.InputSupplier;

/**
 * @author Adrian Cole
 */
public interface Payload extends InputSupplier<InputStream>, WriteTo, Closeable {

   /**
    * Creates a new InputStream object of the payload.
    */
   InputStream openStream() throws IOException;

   /**
    * Creates a new InputStream object of the payload.
    *
    * @deprecated see openStream
    */
   @Deprecated
   InputStream getInput();

   /**
    * Payload in its original form.
    */
   Object getRawContent();

   /**
    * Tells if the payload is capable of producing its data more than once.
    */
   boolean isRepeatable();

   /**
    * release resources used by this entity. This should be called when data is discarded.
    */
   void release();

   MutableContentMetadata getContentMetadata();

   void setContentMetadata(MutableContentMetadata in);

}