org.openjdk.jmh.profile.ProfilerUtils Maven / Gradle / Ivy
/*
* Copyright (c) 2014, 2015, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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 org.openjdk.jmh.profile;
import joptsimple.OptionException;
import joptsimple.OptionParser;
import joptsimple.OptionSet;
import joptsimple.OptionSpec;
import java.io.IOException;
import java.io.StringWriter;
class ProfilerUtils {
public static OptionSet parseInitLine(String initLine, OptionParser parser) throws ProfilerException {
parser.accepts("help", "Display help.");
OptionSpec nonOptions = parser.nonOptions();
String[] split = initLine.split(";");
for (int c = 0; c < split.length; c++) {
if (!split[c].isEmpty()) {
split[c] = "-" + split[c];
}
}
OptionSet set;
try {
set = parser.parse(split);
} catch (OptionException e) {
try {
StringWriter sw = new StringWriter();
sw.append(e.getMessage());
sw.append("\n");
parser.printHelpOn(sw);
throw new ProfilerException(sw.toString());
} catch (IOException e1) {
throw new ProfilerException(e1);
}
}
if (set.has("help")) {
try {
StringWriter sw = new StringWriter();
parser.printHelpOn(sw);
throw new ProfilerException(sw.toString());
} catch (IOException e) {
e.printStackTrace();
}
}
String s = set.valueOf(nonOptions);
if (s != null && !s.isEmpty()) {
throw new ProfilerException("Unhandled options: " + s + " in " + initLine);
}
return set;
}
}