jdk-24/test/langtools/tools/javac/launcher/Run.java
2024-05-02 11:13:41 +00:00

62 lines
2.4 KiB
Java

/*
* Copyright (c) 2023, 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.
*/
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.List;
import com.sun.tools.javac.launcher.SourceLauncher;
import com.sun.tools.javac.launcher.Result;
record Run(String stdOut, String stdErr, Throwable exception, Result result) {
static Run of(Path file) {
return Run.of(file, List.of(), List.of("1", "2", "3"));
}
static Run of(Path file, List<String> runtimeArgs, List<String> appArgs) {
List<String> args = new ArrayList<>();
args.add(file.toString());
args.addAll(appArgs);
PrintStream prev = System.out;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try (PrintStream out = new PrintStream(baos, true)) {
System.setOut(out);
StringWriter sw = new StringWriter();
try (PrintWriter err = new PrintWriter(sw, true)) {
var launcher = new SourceLauncher(err);
var result = launcher.run(runtimeArgs.toArray(String[]::new), args.toArray(String[]::new));
return new Run(baos.toString(), sw.toString(), null, result);
} catch (Throwable throwable) {
return new Run(baos.toString(), sw.toString(), throwable, null);
}
} finally {
System.setOut(prev);
}
}
}