/* * Copyright (c) 2004, 2019, 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.
*/
/* * @test OptionTest * @bug 5095072 * @summary Test for misc jdwp options, just that the option is parsed * @author Kelly O'Hair (copied from Tim Bell's NoLaunchOptionTest) * * @run compile -g OptionTest.java * @run compile -g HelloWorld.java * @run compile -g VMConnection.java * @run driver OptionTest
*/
/** * Run an arbitrary command and return the results to caller. * * @param an array of String containing the command * to run and any flags or parameters to the command. * * @return completion status, stderr and stdout as array of String * Look for: * return status in result[OptionTest.RETSTAT] * standard out in result[OptionTest.STDOUT] * standard err in result[OptionTest.STDERR] *
*/ public String[] run (String[] cmdStrings) {
StringBuffer stdoutBuffer = new StringBuffer();
StringBuffer stderrBuffer = new StringBuffer();
System.out.print(CR + "runCommand method about to execute: "); for (int iNdx = 0; iNdx < cmdStrings.length; iNdx++) {
System.out.print(" ");
System.out.print(cmdStrings[iNdx]);
}
System.out.println(CR); try {
Process process = Runtime.getRuntime().exec(cmdStrings); /* * Gather up the output of the subprocess using non-blocking * reads so we can get both the subprocess stdout and the * subprocess stderr without overfilling any buffers.
*/
java.io.BufferedInputStream is = new java.io.BufferedInputStream(process.getInputStream()); int isLen = 0; byte[] isBuf = newbyte[BUFFERSIZE];
java.io.BufferedInputStream es = new java.io.BufferedInputStream(process.getErrorStream()); int esLen = 0; byte[] esBuf = newbyte[BUFFERSIZE];
do {
isLen = is.read(isBuf); if (isLen > 0) {
stdoutBuffer.append( new String(isBuf, 0, isLen));
}
esLen = es.read(esBuf); if (esLen > 0) {
stderrBuffer.append( new String(esBuf, 0, esLen));
}
} while ((isLen > -1) || (esLen > -1)); try {
process.waitFor();
subprocessStatus = process.exitValue();
process = null;
} catch(java.lang.InterruptedException e) {
System.err.println("InterruptedException: " + e);
}
} catch(java.io.IOException ex) {
System.err.println("IO error: " + ex);
}
String[] result = new String[] {
Integer.toString(subprocessStatus),
stdoutBuffer.toString(),
stderrBuffer.toString()
};
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