diff options
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/KeepAliveOutputStream.java')
-rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/KeepAliveOutputStream.java | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/KeepAliveOutputStream.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/KeepAliveOutputStream.java deleted file mode 100644 index 27f3d7e4..00000000 --- a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/KeepAliveOutputStream.java +++ /dev/null @@ -1,83 +0,0 @@ -/* - * 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.util; - -import java.io.FilterOutputStream; -import java.io.IOException; -import java.io.OutputStream; -import java.io.PrintStream; - -/** - * Class that can be used to wrap <tt>System.out</tt> and <tt>System.err</tt> - * without getting anxious about any client closing the stream. - * - * <p> - * In code-language it means that it is not necessary to do: - * <pre> - * if (out != System.out && out != System.err) { - * out.close(); - * } - * </pre> - * - */ -public class KeepAliveOutputStream extends FilterOutputStream { - - /** - * Constructor of KeepAliveOutputStream. - * - * @param out an OutputStream value, it should be standard output. - */ - public KeepAliveOutputStream(OutputStream out) { - super(out); - } - - /** - * This method does nothing. - * @throws IOException as we are overriding FilterOutputStream. - */ - public void close() throws IOException { - // do not close the stream - } - - /** - * Convenience factory method that returns a non-closing - * PrintStream around System.out. - * - * @since Ant 1.8.0 - */ - public static PrintStream wrapSystemOut() { - return wrap(System.out); - } - - /** - * Convenience factory method that returns a non-closing - * PrintStream around System.err. - * - * @since Ant 1.8.0 - */ - public static PrintStream wrapSystemErr() { - return wrap(System.err); - } - - /** - * @since Ant 1.8.0 - */ - private static PrintStream wrap(PrintStream ps) { - return new PrintStream(new KeepAliveOutputStream(ps)); - } -} |