| /* |
| * 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.tools.ant.taskdefs; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| /** |
| * Used by <code>Execute</code> to handle input and output stream of |
| * subprocesses. |
| * |
| * @since Ant 1.2 |
| */ |
| public interface ExecuteStreamHandler { |
| |
| /** |
| * Install a handler for the input stream of the subprocess. |
| * |
| * @param os output stream to write to the standard input stream of the |
| * subprocess |
| * @throws IOException on error |
| */ |
| void setProcessInputStream(OutputStream os) throws IOException; |
| |
| /** |
| * Install a handler for the error stream of the subprocess. |
| * |
| * @param is input stream to read from the error stream from the subprocess |
| * @throws IOException on error |
| */ |
| void setProcessErrorStream(InputStream is) throws IOException; |
| |
| /** |
| * Install a handler for the output stream of the subprocess. |
| * |
| * @param is input stream to read from the error stream from the subprocess |
| * @throws IOException on error |
| */ |
| void setProcessOutputStream(InputStream is) throws IOException; |
| |
| /** |
| * Start handling of the streams. |
| * @throws IOException on error |
| */ |
| void start() throws IOException; |
| |
| /** |
| * Stop handling of the streams - will not be restarted. |
| */ |
| void stop(); |
| } |