Mon, 19 Sep 2016 09:50:03 -0700
Merge
duke@1 | 1 | /* |
ohair@554 | 2 | * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved. |
duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@1 | 4 | * |
duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@1 | 7 | * published by the Free Software Foundation. |
duke@1 | 8 | * |
duke@1 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@1 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@1 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@1 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@1 | 13 | * accompanied this code). |
duke@1 | 14 | * |
duke@1 | 15 | * You should have received a copy of the GNU General Public License version |
duke@1 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@1 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@1 | 18 | * |
ohair@554 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@554 | 20 | * or visit www.oracle.com if you need additional information or have any |
ohair@554 | 21 | * questions. |
duke@1 | 22 | */ |
duke@1 | 23 | |
duke@1 | 24 | package p; |
duke@1 | 25 | |
duke@1 | 26 | import java.io.*; |
duke@1 | 27 | import com.sun.tools.javadoc.Main; |
duke@1 | 28 | |
duke@1 | 29 | public class OutputRedirect { |
duke@1 | 30 | |
duke@1 | 31 | public static void main(String[] args) { |
duke@1 | 32 | PrintStream originalOutput = System.out; |
duke@1 | 33 | try { |
duke@1 | 34 | doTest(); |
duke@1 | 35 | } finally { |
duke@1 | 36 | // restore things |
duke@1 | 37 | System.setOut(originalOutput); |
duke@1 | 38 | } |
duke@1 | 39 | } |
duke@1 | 40 | |
duke@1 | 41 | static void doTest() { |
duke@1 | 42 | ByteArrayOutputStream redirectedOutput = new ByteArrayOutputStream(); |
duke@1 | 43 | PrintStream originalOutput = System.out; |
duke@1 | 44 | |
duke@1 | 45 | // redirect System.out to a buffer |
duke@1 | 46 | System.setOut(new PrintStream(redirectedOutput)); |
duke@1 | 47 | |
duke@1 | 48 | PrintWriter sink = new PrintWriter(new ByteArrayOutputStream()); |
duke@1 | 49 | |
duke@1 | 50 | // execute javadoc |
duke@1 | 51 | int result = Main.execute("javadoc", sink, sink, sink, |
duke@1 | 52 | "com.sun.tools.doclets.standard.Standard", |
duke@1 | 53 | new String[] {"p"} |
duke@1 | 54 | ); |
duke@1 | 55 | |
duke@1 | 56 | |
duke@1 | 57 | // test whether javadoc did any output to System.out |
duke@1 | 58 | if (redirectedOutput.toByteArray().length > 0) { |
duke@1 | 59 | originalOutput.println("Test failed; here's what javadoc wrote on its standard output:"); |
duke@1 | 60 | originalOutput.println(redirectedOutput.toString()); |
duke@1 | 61 | throw new Error("javadoc output wasn\'t properly redirected"); |
duke@1 | 62 | } else if (result != 0) { |
duke@1 | 63 | throw new Error("javadoc run failed"); |
duke@1 | 64 | } else { |
duke@1 | 65 | originalOutput.println("OK, good"); |
duke@1 | 66 | } |
duke@1 | 67 | } |
duke@1 | 68 | } |