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/*
* Copyright (c) 2012, 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.
*/
/*
* @test
* @bug 7166010
* @summary warnings printed by annotation processors uses incorrect source
* @modules jdk.compiler
*/
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.Messager;
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 static javax.tools.Diagnostic.Kind.*;
import static javax.tools.JavaFileObject.Kind.*;
@SupportedSourceVersion(SourceVersion.RELEASE_8)
@SupportedAnnotationTypes("*")
public class MessagerDiags extends AbstractProcessor {
static final String CNAME = "Test";
static final String TEST_JAVA = CNAME + ".java";
static final String TEST_JAVA_URI_NAME = "myfo:/" + TEST_JAVA;
static final String WRN_NO_SOURCE = "warning without source";
static final String WRN_WITH_SOURCE = "warning with source";
static final String NONE = "<none>";
static final String[] EXPECTED = { NONE + ":-1--1:" + WRN_NO_SOURCE,
TEST_JAVA + ":0-13:" + WRN_WITH_SOURCE,
NONE + ":-1--1:" + WRN_NO_SOURCE
};
@Override
public boolean process(Set<? extends TypeElement> annotations,
RoundEnvironment roundEnv) {
Messager messager = processingEnv.getMessager();
for (Element e : roundEnv.getRootElements()) {
messager.printMessage(WARNING, WRN_NO_SOURCE);
messager.printMessage(WARNING, WRN_WITH_SOURCE, e);
messager.printMessage(WARNING, WRN_NO_SOURCE);
}
return false;
}
public static void main(String... args) throws IOException {
final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
assert tool != null;
DiagnosticCollector<JavaFileObject> dc = new DiagnosticCollector<>();
List<String> options = Arrays.asList(
"-source", "1.8",
"-Xlint:-options",
"-classpath", System.getProperty("java.class.path"),
"-processor", MessagerDiags.class.getName());
JavacTask ct = (JavacTask)tool.getTask(null, null, dc, options, null,
Arrays.asList(new MyFileObject("class " + CNAME + " {}")));
ct.analyze();
List<String> obtainedErrors = new ArrayList<>();
for (Diagnostic<? extends JavaFileObject> d : dc.getDiagnostics()) {
String dSource;
if (d.getSource() != null) {
dSource = d.getSource().toUri().getPath();
dSource = dSource.substring(dSource.lastIndexOf('/') + 1);
} else {
dSource = NONE;
}
obtainedErrors.add(dSource + ":" + d.getStartPosition() + "-" +
d.getEndPosition() + ":" + d.getMessage(null));
}
List<String> expectedErrors = Arrays.asList(EXPECTED);
if (!expectedErrors.equals(obtainedErrors)) {
System.err.println("Expected: " + expectedErrors);
System.err.println("Obtained: " + obtainedErrors);
throw new AssertionError("Messages don't match");
}
}
static class MyFileObject extends SimpleJavaFileObject {
private String text;
public MyFileObject(String text) {
super(URI.create(TEST_JAVA_URI_NAME), SOURCE);
this.text = text;
}
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) {
return text;
}
}
}
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