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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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* under the terms of the GNU General Public License version 2 only , as
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*
* 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 .
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/*
* @ test
* @ bug 6725036 8016760
* @ summary javac returns incorrect value for lastModifiedTime ( ) when
* source is a zip file archive
* @ library / tools / lib
* @ modules jdk . compiler / com . sun . tools . javac . api
* jdk . compiler / com . sun . tools . javac . file
* jdk . compiler / com . sun . tools . javac . main
* jdk . compiler / com . sun . tools . javac . util
* @ build toolbox . ToolBox toolbox . JarTask
* @ run main T6725036
*/
import java.io.File;
import java.io.IOException;
import java.util.Collections;
import java.util.Date;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import javax.tools.*;
import com.sun.tools.javac.file.JavacFileManager;
import com.sun.tools.javac.file.RelativePath.RelativeFile;
import com.sun.tools.javac.util.Context;
import toolbox.JarTask;
import toolbox.ToolBox;
public class T6725036 {
public static void main(String... args) throws Exception {
new T6725036().run();
}
void run() throws Exception {
RelativeFile TEST_ENTRY_NAME = new RelativeFile("java/lang/String.class" );
File testJar = createJar("test.jar" , "java.lang.*" );
try (JarFile j = new JarFile(testJar)) {
JarEntry je = j.getJarEntry(TEST_ENTRY_NAME.getPath());
long jarEntryTime = je.getTime();
Context context = new Context();
JavacFileManager fm = new JavacFileManager(context, false , null );
fm.setLocation(StandardLocation.CLASS_PATH, Collections.singletonList(testJar));
FileObject fo =
fm.getFileForInput(StandardLocation.CLASS_PATH, "" , TEST_ENTRY_NAME.getPath());
long jfoTime = fo.getLastModified();
check(je, jarEntryTime, fo, jfoTime);
if (errors > 0 )
throw new Exception(errors + " occurred" );
}
}
File createJar(String name, String... paths) throws IOException {
JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
try (JavaFileManager fm = comp.getStandardFileManager(null , null , null )) {
File f = new File(name);
ToolBox tb = new ToolBox();
new JarTask(tb, name)
.files(fm, StandardLocation.PLATFORM_CLASS_PATH, paths)
.run();
return f;
}
}
void check(Object ref, long refTime, Object test, long testTime) {
if (refTime == testTime)
return ;
System.err.println("Error: " );
System.err.println("Expected: " + getText(ref, refTime));
System.err.println(" Found: " + getText(test, testTime));
errors++;
}
String getText(Object x, long t) {
return String.format("%14d" , t) + " (" + new Date(t) + ") from " + x;
}
int errors;
}
Messung V0.5 in Prozent C=94 H=91 G=92
¤ Dauer der Verarbeitung: 0.3 Sekunden
¤
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