| /* |
| * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package p; |
| |
| import java.io.*; |
| import com.sun.tools.javadoc.Main; |
| |
| public class OutputRedirect { |
| |
| public static void main(String[] args) { |
| PrintStream originalOutput = System.out; |
| try { |
| doTest(); |
| } finally { |
| // restore things |
| System.setOut(originalOutput); |
| } |
| } |
| |
| static void doTest() { |
| ByteArrayOutputStream redirectedOutput = new ByteArrayOutputStream(); |
| PrintStream originalOutput = System.out; |
| |
| // redirect System.out to a buffer |
| System.setOut(new PrintStream(redirectedOutput)); |
| |
| PrintWriter sink = new PrintWriter(new ByteArrayOutputStream()); |
| |
| // execute javadoc |
| int result = Main.execute("javadoc", sink, sink, sink, |
| "com.sun.tools.doclets.standard.Standard", |
| new String[] {"p"} |
| ); |
| |
| |
| // test whether javadoc did any output to System.out |
| if (redirectedOutput.toByteArray().length > 0) { |
| originalOutput.println("Test failed; here's what javadoc wrote on its standard output:"); |
| originalOutput.println(redirectedOutput.toString()); |
| throw new Error("javadoc output wasn\'t properly redirected"); |
| } else if (result != 0) { |
| throw new Error("javadoc run failed"); |
| } else { |
| originalOutput.println("OK, good"); |
| } |
| } |
| } |