/*

 * 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 6400872

 * @summary REGRESSION:  Java Compiler cannot find jar files referenced by other

 * @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();

            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();

    }

}