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.exec;
018    
019    import java.io.IOException;
020    
021    /**
022     * Executes {@link ExecCommand} instances.
023     */
024    public interface ExecCommandExecutor {
025    
026        /**
027         * Executes the <code>command</code> and returns a not-<code>null</code>
028         * {@link ExecResult} instance.
029         * 
030         * @param execCommand The command object, that describes the executable application
031         * @return the result
032         * @throws ExecException if the execution failed
033         * @throws IOException if there is an invalid path in the working directory,
034         *             or if the absolute path of the command executable is invalid,
035         *             or if the executable does not exist
036         */
037        ExecResult execute(ExecCommand execCommand) throws ExecException, IOException;
038    }