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Java example source code file (T6705935.java)

This example Java source code file (T6705935.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

arraylist, exception, javacompiler, javafileobject, list, standardjavafilemanager, string, t6705935, util, zipfileindexfileobject, zipfileobject

The T6705935.java Java example source code

/*
 * Copyright (c) 2008, 2010, 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 6705935
 * @summary javac reports path name of entry in ZipFileIndex incorectly
 */

import java.io.*;
import java.util.*;
import javax.tools.*;
import com.sun.tools.javac.file.*;
import com.sun.tools.javac.file.ZipArchive.ZipFileObject;
import com.sun.tools.javac.file.ZipFileIndexArchive.ZipFileIndexFileObject;

public class T6705935 {
    public static void main(String... args) throws Exception {
        new T6705935().run();
    }

    public void run() throws Exception {
        File java_home = new File(System.getProperty("java.home"));
        if (java_home.getName().equals("jre"))
            java_home = java_home.getParentFile();

        JavaCompiler c = ToolProvider.getSystemJavaCompiler();
        StandardJavaFileManager fm = c.getStandardFileManager(null, null, null);
        //System.err.println("platform class path: " + asList(fm.getLocation(StandardLocation.PLATFORM_CLASS_PATH)));

        for (JavaFileObject fo: fm.list(StandardLocation.PLATFORM_CLASS_PATH,
                                        "java.lang",
                                        Collections.singleton(JavaFileObject.Kind.CLASS),
                                        false)) {
            test++;

            if (!(fo instanceof ZipFileObject || fo instanceof ZipFileIndexFileObject)) {
                System.out.println("Skip " + fo.getClass().getSimpleName() + " " + fo.getName());
                skip++;
                continue;
            }

            //System.err.println(fo.getName());
            String p = fo.getName();
            int bra = p.indexOf("(");
            int ket = p.indexOf(")");
            //System.err.println(bra + "," + ket + "," + p.length());
            if (bra == -1 || ket != p.length() -1)
                throw new Exception("unexpected path: " + p + "[" + bra + "," + ket + "," + p.length());
            String part1 = p.substring(0, bra);
            String part2 = p.substring(bra + 1, ket);
            //System.err.println("[" + part1 + "|" + part2 + "]" + " " + java_home);
            if (part1.equals(part2) || !part1.startsWith(java_home.getPath()))
                throw new Exception("bad path: " + p);

        }

        if (test == 0)
            throw new Exception("no files found");

        if (skip == 0)
            System.out.println(test + " files found");
        else
            System.out.println(test + " files found, " + skip + " files skipped");

        if (test == skip)
            System.out.println("Warning: all files skipped; no platform classes found in zip files.");
    }

    private <T> List asList(Iterable items) {
        List<T> list = new ArrayList();
        for (T item: items)
            list.add(item);
        return list;
     }

    private int skip;
    private int test;
}

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