001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.camel.component.file;
018
019import java.io.IOException;
020
021import org.apache.camel.Exchange;
022
023/**
024 * Binding between the generic file and the body content.
025 */
026public interface GenericFileBinding<T> {
027
028    /**
029     * Gets the body of the file
030     *
031     * @param file the file
032     * @return the body
033     */
034    Object getBody(GenericFile<T> file);
035
036    /**
037     * Sets the body from the given file
038     *
039     * @param file the file
040     * @param body the body
041     */
042    void setBody(GenericFile<T> file, Object body);
043
044    /**
045     * Ensures the content is loaded from the file into memory
046     *
047     * @param exchange the current exchange
048     * @param file the file
049     * @throws java.io.IOException is thrown if the content could not be loaded
050     */
051    void loadContent(Exchange exchange, GenericFile<?> file) throws IOException;
052}