jdk-24/test/hotspot/jtreg/serviceability/tmtools/share/common/TmTool.java
2017-09-12 19:03:39 +02:00

68 lines
2.6 KiB
Java

/*
* Copyright (c) 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.
*
* 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 common;
import java.nio.file.Path;
import java.nio.file.Paths;
import jdk.test.lib.Platform;
/**
* A tool, such as jstat, jmap, etc Specific tools are defined as subclasses
* parameterized by their corresponding ToolResults subclasses
*/
public abstract class TmTool<T extends ToolResults> {
private final Class<T> resultsClz;
private final String cmdLine;
public TmTool(Class<T> resultsClz, String toolName, String otherArgs) {
this.resultsClz = resultsClz;
this.cmdLine = adjustForTestJava(toolName) + " " + otherArgs;
}
/**
* Runs the tool to completion and returns the results
*
* @return the tool results
* @throws Exception if anything goes wrong
*/
public T measure() throws Exception {
ToolRunner runner = new ToolRunner(cmdLine);
ToolResults rawResults = runner.runToCompletion();
System.out.println("Process output: " + rawResults);
return resultsClz.getDeclaredConstructor(ToolResults.class).newInstance(rawResults);
}
private String adjustForTestJava(String toolName) {
// We need to make sure we are running the tol from the JDK under testing
String jdkPath = System.getProperty("test.jdk");
if (jdkPath == null || !Paths.get(jdkPath).toFile().exists()) {
throw new RuntimeException("property test.jdk not not set");
}
Path toolPath = Paths.get("bin", toolName + (Platform.isWindows() ? ".exe" : ""));
return Paths.get(jdkPath, toolPath.toString()).toString();
}
}