/*
* Copyright ( c ) 2006 , 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
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* questions .
*/
/*
* @ test
* @ bug 6400872
* @ summary REGRESSION : Java Compiler cannot find jar files referenced by other
* @ modules java . compiler
* jdk . compiler
* @ run main T6400872
*/
// ${TESTJAVA}/bin/javac -d ${TESTCLASSES} ${TESTSRC}/A.java ${TESTSRC}/B.java
// ${TESTJAVA}/bin/jar -cfm A.jar ${TESTSRC}/A/META-INF/MANIFEST.MF -C ${TESTCLASSES} A.class
// ${TESTJAVA}/bin/jar -cfm B.jar ${TESTSRC}/B/META-INF/MANIFEST.MF -C ${TESTCLASSES} B.class
// ${TESTJAVA}/bin/javac -cp A.jar ${TESTSRC}/C.java
import java.io.*;
import java.nio.*;
import java.util.*;
import java.util.jar.*;
import javax.tools.*;
import javax.tools.StandardJavaFileManager.*;
public class T6400872 {
static File testSrc = new File(System.getProperty("test.src" , "." ));
static File testClasses = new File(System.getProperty("test.classes" , "." ));
public static void main(String... args) throws Exception {
// compile A.java and B.java
compile(testClasses, null , new File(testSrc, "A.java" ), new File(testSrc, "B.java" ));
// put them in mutually referential class files
jar(new File("A.jar" ), iterable(new File("." , "B.jar" )), testClasses, new File("A.class" ));
jar(new File("B.jar" ), iterable(new File("." , "A.jar" )), testClasses, new File("B.class" ));
// verify we can successfully use the class path entries in the jar files
compile(new File("." ), iterable(new File("A.jar" )), new File(testSrc, "C.java" ));
}
static void compile(File classOutDir, Iterable<File> classPath, File... files)
throws IOException {
System.err.println("compile..." );
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
try (StandardJavaFileManager fm = compiler.getStandardFileManager(null , null , null )) {
Iterable<? extends JavaFileObject> fileObjects =
fm.getJavaFileObjectsFromFiles(Arrays.asList(files));
List<String> options = new ArrayList<String>();
if (classOutDir != null ) {
options.add("-d" );
options.add(classOutDir.getPath());
}
if (classPath != null ) {
options.add("-classpath" );
options.add(join(classPath, File.pathSeparator));
}
options.add("-verbose" );
JavaCompiler.CompilationTask task =
compiler.getTask(null , fm, null , options, null , fileObjects);
if (!task.call())
throw new AssertionError("compilation failed" );
}
}
static void jar(File jar, Iterable<File> classPath, File base, File... files)
throws IOException {
System.err.println("jar..." );
Manifest m = new Manifest();
if (classPath != null ) {
Attributes mainAttrs = m.getMainAttributes();
mainAttrs.put(Attributes.Name.MANIFEST_VERSION, "1.0" );
mainAttrs.put(Attributes.Name.CLASS_PATH, join(classPath, " " ));
}
OutputStream out = new BufferedOutputStream(new FileOutputStream(jar));
JarOutputStream j = new JarOutputStream(out, m);
add(j, base, files);
j.close();
}
static void add(JarOutputStream j, File base, File... files) throws IOException {
if (files == null )
return ;
for (File f: files)
add(j, base, f);
}
static void add(JarOutputStream j, File base, File file) throws IOException {
File f = new File(base, file.getPath());
if (f.isDirectory()) {
String[] children = f.list();
if (children != null )
for (String c: children)
add(j, base, new File(file, c));
} else {
JarEntry e = new JarEntry(file.getPath());
e.setSize(f.length());
j.putNextEntry(e);
j.write(read(f));
j.closeEntry();
}
}
static byte [] read(File f) throws IOException {
byte [] buf = new byte [(int ) f.length()];
BufferedInputStream in = new BufferedInputStream(new FileInputStream(f));
int offset = 0 ;
while (offset < buf.length) {
int n = in.read(buf, offset, buf.length - offset);
if (n < 0 )
throw new EOFException();
offset += n;
}
return buf;
}
static <T> Iterable<T> iterable(T single) {
return Collections.singleton(single);
}
static <T> String join(Iterable<T> iter, String sep) {
StringBuilder p = new StringBuilder();
for (T t: iter) {
if (p.length() > 0 )
p.append(' ' );
p.append(t);
}
return p.toString();
}
}
Messung V0.5 in Prozent C=100 H=100 G=100
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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