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"nb-javac" is a patched version of OpenJDK "javac", i.e., the Java compiler. This has long been part of NetBeans, providing a highly tuned Java compiler specifically for the Java editor i.e., parsing and lexing for features such as syntax coloring, code completion.
/*
* Copyright 2003-2004 Sun Microsystems, Inc. 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. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package global;
import com.sun.source.util.JavacTask;
import java.io.IOException;
import java.net.URI;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.annotation.processing.SupportedSourceVersion;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
import javax.tools.Diagnostic;
import javax.tools.DiagnosticCollector;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.SimpleJavaFileObject;
import javax.tools.ToolProvider;
import org.junit.Assert;
import org.junit.Test;
/**
*
* @author lahvac
*/
@SupportedSourceVersion(SourceVersion.RELEASE_8)
@SupportedAnnotationTypes("*")
public class AP208917Test extends AbstractProcessor {
@Override
public boolean process(Set annotations, RoundEnvironment roundEnv) {
for (Element e : roundEnv.getRootElements()) {
processingEnv.getMessager().printMessage(Diagnostic.Kind.WARNING, "1st warning without source");
processingEnv.getMessager().printMessage(Diagnostic.Kind.WARNING, "warning with source", e);
processingEnv.getMessager().printMessage(Diagnostic.Kind.WARNING, "2nd warning without source");
}
return false;
}
@Test
public void performTest() throws IOException {
final String bootPath = System.getProperty("sun.boot.class.path"); //NOI18N
final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
assert tool != null;
DiagnosticCollector diagnostic = new DiagnosticCollector();
List options = new LinkedList();
options.addAll(global.Utils.asParameters("--release", "8", "-Xlint:-options", "-classpath", System.getProperty("java.class.path")));
options.addAll(Arrays.asList("-processor", AP208917Test.class.getName()));
JavacTask ct = (JavacTask)tool.getTask(null, null, diagnostic, options, null, Arrays.asList(new MyFileObject("class Test {}")));
ct.analyze();
List actualErrors = new ArrayList();
for (Diagnostic d : diagnostic.getDiagnostics()) {
String diagnosticSource;
if (d.getSource() != null) {
diagnosticSource = d.getSource().toUri().toString();
diagnosticSource = diagnosticSource.substring(diagnosticSource.lastIndexOf('/') + 1);
} else {
diagnosticSource = "";
}
actualErrors.add(diagnosticSource + ":" + d.getStartPosition() + "-" + d.getEndPosition() + ":" + d.getMessage(null));
}
Assert.assertEquals(Arrays.asList(":-1--1:1st warning without source", "Test.java:0-13:warning with source", ":-1--1:2nd warning without source"), actualErrors);
}
static class MyFileObject extends SimpleJavaFileObject {
private String text;
public MyFileObject(String text) {
super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
this.text = text;
}
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) {
return text;
}
}
}