camel-2.8.x/components/camel-exec/src/main/java/org/apache/camel/component/exec/ExecCommandExecutor.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.apache.camel.component.exec;

import java.io.IOException;

/**
 * Executes {@link ExecCommand} instances.
 */
public interface ExecCommandExecutor {

    /**
     * Executes the <code>command</code> and returns a not-<code>null</code>
     * {@link ExecResult} instance.
     * 
     * @param execCommand The command object, that describes the executable application
     * @return the result
     * @throws ExecException if the execution failed
     * @throws IOException if there is an invalid path in the working directory,
     *             or if the absolute path of the command executable is invalid,
     *             or if the executable does not exist
     */
    ExecResult execute(ExecCommand execCommand) throws ExecException, IOException;
}