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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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*
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* 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 .
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*/
/*
* @ test
* @ bug 6403466
* @ summary javac TaskListener should be informed when annotation processing occurs
* @ modules jdk . compiler / com . sun . tools . javac . api
* jdk . compiler / com . sun . tools . javac . file
*/
import com.sun.source.util.*;
import java.io.*;
import java.lang.annotation.*;
import java.util.*;
import javax.annotation.processing.*;
import javax.lang.model.*;
import javax.lang.model.element.*;
import javax.lang.model.type.*;
import javax.lang.model.util.*;
import javax.tools.*;
import com.sun.tools.javac.api.JavacTool;
@Wrap
@SupportedAnnotationTypes("Wrap" )
public class T6403466 extends AbstractProcessor {
static final String testSrcDir = System.getProperty("test.src" );
static final String testClassDir = System.getProperty("test.classes" );
static final String self = T6403466.class .getName();
static PrintWriter out = new PrintWriter(System.err, true );
public static void main(String[] args) throws IOException {
JavacTool tool = JavacTool.create();
try (StandardJavaFileManager fm = tool.getStandardFileManager(null , null , null )) {
Iterable<? extends JavaFileObject> files =
fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrcDir, self + ".java" )));
Iterable<String> options = Arrays.asList(
"--add-exports" , "jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED" ,
"--processor-path" , testClassDir,
"-processor" , self,
"-s" , "." ,
"-d" , "." );
JavacTask task = tool.getTask(out, fm, null , options, null , files);
VerifyingTaskListener vtl = new VerifyingTaskListener(new File(testSrcDir, self + ".out" ));
task.setTaskListener(vtl);
if (!task.call())
throw new AssertionError("compilation failed" );
if (vtl.iter.hasNext() || vtl.errors)
throw new AssertionError("comparison against golden file failed." );
}
}
public boolean process(Set<? extends TypeElement> annos, RoundEnvironment rEnv) {
if (!rEnv.processingOver()) {
Filer filer = processingEnv.getFiler();
for (TypeElement anno: annos) {
Set<? extends Element> elts = rEnv.getElementsAnnotatedWith(anno);
System.err.println("anno: " + anno);
System.err.println("elts: " + elts);
for (TypeElement te: ElementFilter.typesIn(elts)) {
try {
Writer out = filer.createSourceFile(te.getSimpleName() + "Wrapper" ).openWriter();
out.write("class " + te.getSimpleName() + "Wrapper { }" );
out.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
}
return true ;
}
@Override
public SourceVersion getSupportedSourceVersion() {
return SourceVersion.latest();
}
}
@Retention(RetentionPolicy.SOURCE)
@Target(ElementType.TYPE)
@interface Wrap {
}
class VerifyingTaskListener implements TaskListener {
VerifyingTaskListener(File ref) throws IOException {
BufferedReader in = new BufferedReader(new FileReader(ref));
String line;
List<String> lines = new ArrayList<String>();
while ((line = in.readLine()) != null )
lines.add(line);
in.close();
iter = lines.iterator();
}
public void started(TaskEvent e) {
check("Started " + toString(e));
}
public void finished(TaskEvent e) {
check("Finished " + toString(e));
}
// similar to TaskEvent.toString(), but just prints basename of the file
private String toString(TaskEvent e) {
JavaFileObject file = e.getSourceFile();
return "TaskEvent["
+ e.getKind() + ","
+ (file == null ? null : new File(file.toUri().getPath()).getName()) + ","
// the compilation unit is identified by the file
+ e.getTypeElement() + "]" ;
}
private void check(String s) {
System.out.println(s); // write a reference copy of expected output to stdout
String ref = iter.hasNext() ? iter.next() : null ;
line++;
if (!s.equals(ref)) {
if (ref != null )
System.err.println(line + ": expected: " + ref);
System.err.println(line + ": found: " + s);
errors = true ;
}
}
Iterator<String> iter;
int line;
boolean errors;
}
Messung V0.5 in Prozent C=93 H=89 G=90
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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