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/*
* Copyright (C) 2009-2014 The Project Lombok Authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.PrintStream;
import java.io.StringWriter;
import java.io.UnsupportedEncodingException;
import java.util.Collection;
import java.util.Locale;
import java.util.Map;
import java.util.concurrent.atomic.AtomicBoolean;
import lombok.delombok.Delombok;
import lombok.javac.CapturingDiagnosticListener;
import lombok.javac.Javac;
import lombok.javac.CapturingDiagnosticListener.CompilerMessage;
public class RunTestsViaDelombok extends AbstractRunTests {
private Delombok delombok = new Delombok();
private static AtomicBoolean compilerVersionReported = new AtomicBoolean();
@Override
public boolean transformCode(Collection<CompilerMessage> messages, StringWriter result, final File file, String encoding, Map<String, String> formatPreferences, int version) throws Throwable {
if (!compilerVersionReported.getAndSet(true)) System.out.println("Javac version: " + Javac.getJavaCompilerVersion());
delombok.setVerbose(true);
ChangedChecker cc = new ChangedChecker();
delombok.setFeedback(cc.feedback);
delombok.setForceProcess(true);
delombok.setCharset(encoding == null ? "UTF-8" : encoding);
delombok.setFormatPreferences(formatPreferences);
delombok.setDiagnosticsListener(new CapturingDiagnosticListener(file, messages));
delombok.addFile(file.getAbsoluteFile().getParentFile(), file.getName());
delombok.setSourcepath(file.getAbsoluteFile().getParent());
String bcp = System.getProperty("delombok.bootclasspath");
if (bcp != null) delombok.setBootclasspath(bcp);
delombok.setWriter(result);
Locale originalLocale = Locale.getDefault();
try {
Locale.setDefault(Locale.ENGLISH);
delombok.delombok();
return cc.isChanged();
} finally {
Locale.setDefault(originalLocale);
}
}
static class ChangedChecker {
private final ByteArrayOutputStream bytes = new ByteArrayOutputStream();
private final PrintStream feedback;
ChangedChecker() throws UnsupportedEncodingException {
feedback = new PrintStream(bytes, true, "UTF-8");
}
boolean isChanged() throws UnsupportedEncodingException {
feedback.flush();
return bytes.toString("UTF-8").endsWith("[delomboked]\n");
}
}
}
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