75 lines
2.8 KiB
Java
75 lines
2.8 KiB
Java
/*
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* Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package nsk.jvmti.AttachOnDemand.attach010;
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import nsk.share.aod.AbstractJarAgent;
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import java.io.*;
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import java.lang.instrument.Instrumentation;
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public class attach010Agent00 extends AbstractJarAgent {
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private static final String outStreamFileName = "AttachOnDemand.attach010.out";
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private static final String errStreamFileName = "AttachOnDemand.attach010.err";
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private static final String inStreamFileName = "AttachOnDemand.attach010.in";
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protected void agentActions() throws Throwable {
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PrintStream newOutStream = new PrintStream(outStreamFileName);
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PrintStream newErrStream = new PrintStream(errStreamFileName);
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System.setOut(newOutStream);
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System.out.println("Print to the new System.out");
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System.setErr(newErrStream);
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System.err.println("Print to the new System.err");
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/*
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* Check input stream
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*/
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final int valueToWrite = 100;
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PrintStream inputFileStream = new PrintStream(inStreamFileName);
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try {
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inputFileStream.println(valueToWrite);
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} finally {
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inputFileStream.close();
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}
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FileInputStream newInputStream = new FileInputStream(inStreamFileName);
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System.setIn(newInputStream);
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BufferedReader inputStreamReader = new BufferedReader(new InputStreamReader(System.in));
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int readValue = Integer.parseInt(inputStreamReader.readLine());
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if (readValue != valueToWrite) {
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setStatusFailed("Unexpected value was read from input stream: " + readValue + ", expected value is " + valueToWrite);
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}
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}
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public static void agentmain(String options, Instrumentation inst) {
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new attach010Agent00().runJarAgent(options, inst);
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}
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}
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