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     */
017    package org.apache.camel.component.file;
018    
019    import java.io.IOException;
020    
021    import org.apache.camel.Exchange;
022    
023    /**
024     * Binding between the generic file and the body content.
025     */
026    public 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    }