jdk8-mips64-public/langtools: test/tools/javac/api/6411310/Test.java@6970d9fb8e02

     1 /*

     2  * Copyright (c) 2009, 2011 Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    24 /*

    25  * @test

    26  * @bug 6410367 6411310

    27  * @summary FileObject should support user-friendly names via getName()

    28  */

    30 import java.io.*;

    31 import java.util.*;

    32 import java.util.jar.*;

    33 import java.util.zip.*;

    34 import javax.tools.*;

    36 import com.sun.tools.javac.file.JavacFileManager;

    37 import com.sun.tools.javac.util.Context;

    38 import com.sun.tools.javac.util.Options;

    40 // Test FileObject.getName returned from JavacFileManager and its support classes.

    42 public class Test {

    43     public static void main(String... args) throws Exception {

    44         new Test().run();

    45     }

    47     Set<String> foundClasses = new TreeSet<String>();

    48     Set<String> foundJars = new TreeSet<String>();

    50     void run() throws Exception {

    51         File rt_jar = findRtJar();

    53         // names for entries to be created in directories and jar files

    54         String[] entries = { "p/A.java", "p/A.class", "p/resources/A-1.html" };

    56         // test various combinations of directories and jar files, intended to

    57         // cover all sources of file objects within JavacFileManager's support classes

    59         test(createFileManager(), createDir("dir", entries), "p", entries);

    60         test(createFileManager(), createDir("a b/dir", entries), "p", entries);

    62         for (boolean useOptimizedZip: new boolean[] { false, true }) {

    63             test(createFileManager(useOptimizedZip), createJar("jar", entries), "p", entries);

    64             test(createFileManager(useOptimizedZip), createJar("jar jar", entries), "p", entries);

    66             for (boolean useSymbolFile: new boolean[] { false, true }) {

    67                 test(createFileManager(useOptimizedZip, useSymbolFile), rt_jar, "java.lang.ref", null);

    68             }

    69         }

    71         if (errors > 0)

    72             throw new Exception(errors + " errors found");

    74         // Verify that we hit all the impl classes we intended

    75         checkCoverage("classes", foundClasses,

    76                 "RegularFileObject", "SymbolFileObject", "ZipFileIndexFileObject", "ZipFileObject");

    78         // Verify that we hit the jar files we intended, specifically ct.sym as well as rt.jar

    79         checkCoverage("jar files", foundJars,

    80                 "ct.sym", "jar", "jar jar", "rt.jar");

    81     }

    83     // use a new file manager for each test

    84     void test(StandardJavaFileManager fm, File f, String pkg, String[] entries) throws Exception {

    85         System.err.println("Test " + f);

    86         try {

    87             if (f.isDirectory()) {

    88                 for (File dir: new File[] { f, f.getAbsoluteFile() }) {

    89                     for (String e: entries) {

    90                         JavaFileObject fo = fm.getJavaFileObjects(new File(dir, e)).iterator().next();

    91                         test(fo, dir, e);

    92                     }

    93                 }

    94             }

    96             fm.setLocation(StandardLocation.CLASS_PATH, Collections.singleton(f));

    97             fm.setLocation(StandardLocation.SOURCE_PATH, Collections.singleton(f.getAbsoluteFile()));

    98             for (StandardLocation l: EnumSet.of(StandardLocation.CLASS_PATH, StandardLocation.SOURCE_PATH)) {

    99                 for (JavaFileObject fo: fm.list(l, pkg, EnumSet.allOf(JavaFileObject.Kind.class), true)) {

   100                     // we could use fm.getLocation but the following guarantees we preserve the original filename

   101                     File dir = (l == StandardLocation.CLASS_PATH ? f : f.getAbsoluteFile());

   102                     char sep = (dir.isDirectory() ? File.separatorChar : '/');

   103                     String b = fm.inferBinaryName(l, fo);

   104                     String e = fo.getKind().extension;

   105                     test(fo, dir, b.replace('.', sep) + e);

   106                 }

   107             }

   108         } finally {

   109             fm.close();

   110         }

   111     }

   113     void test(JavaFileObject fo, File dir, String p) {

   114         System.err.println("Test: " + fo);

   115         String expect = dir.isDirectory() ? new File(dir, p).getPath() : (dir.getPath() + "(" + p + ")");

   116         String found = fo.getName();

   117         // if ct.sym is found, replace it with the equivalent rt.jar

   118         String found2 = found.replaceAll("lib([\\\\/])ct.sym\\(META-INF/sym/rt.jar/", "jre$1lib$1rt.jar(");

   119         if (!expect.equals(found2)) {

   120             System.err.println("expected: " + expect);

   121             System.err.println("   found: " + found);

   122             if (!found.equals(found2))

   123                 System.err.println("  found2: " + found2);

   124             error("Failed: " + fo);

   125         }

   127         // record the file object class name for coverage checks later

   128         foundClasses.add(fo.getClass().getSimpleName());

   130         if (found.contains("(")) {

   131             // record access to the jar file for coverage checks later

   132             foundJars.add(new File(found.substring(0, found.indexOf("("))).getName());

   133         }

   134     }

   136     void checkCoverage(String label, Set<String> found, String... expect) throws Exception {

   137         Set<String> e = new TreeSet<String>(Arrays.asList(expect));

   138         if (!found.equals(e)) {

   139             e.removeAll(found);

   140             throw new Exception("expected " + label + " not used: " + e);

   141         }

   142     }

   144     JavacFileManager createFileManager() {

   145         return createFileManager(false, false);

   146     }

   148     JavacFileManager createFileManager(boolean useOptimizedZip) {

   149         return createFileManager(useOptimizedZip, false);

   150     }

   152     JavacFileManager createFileManager(boolean useOptimizedZip, boolean useSymbolFile) {

   153         Context c = new Context();

   154         Options options = Options.instance(c);

   156         options.put("useOptimizedZip", Boolean.toString(useOptimizedZip));

   158         if (!useSymbolFile) {

   159             options.put("ignore.symbol.file", "true");

   160         }

   161         return new JavacFileManager(c, false, null);

   162     }

   164     File createDir(String name, String... entries) throws Exception {

   165         File dir = new File(name);

   166         if (!dir.mkdirs())

   167             throw new Exception("cannot create directories " + dir);

   168         for (String e: entries) {

   169             writeFile(new File(dir, e), e);

   170         }

   171         return dir;

   172     }

   174     File createJar(String name, String... entries) throws IOException {

   175         File jar = new File(name);

   176         OutputStream out = new FileOutputStream(jar);

   177         try {

   178             JarOutputStream jos = new JarOutputStream(out);

   179             for (String e: entries) {

   180                 jos.putNextEntry(new ZipEntry(e));

   181                 jos.write(e.getBytes());

   182             }

   183             jos.close();

   184         } finally {

   185             out.close();

   186         }

   187         return jar;

   188     }

   190     File findRtJar() throws Exception {

   191         File java_home = new File(System.getProperty("java.home"));

   192         if (java_home.getName().equals("jre"))

   193             java_home = java_home.getParentFile();

   194         File rt_jar = new File(new File(new File(java_home, "jre"), "lib"), "rt.jar");

   195         if (!rt_jar.exists())

   196             throw new Exception("can't find rt.jar");

   197         return rt_jar;

   198     }

   200     byte[] read(InputStream in) throws IOException {

   201         byte[] data = new byte[1024];

   202         int offset = 0;

   203         try {

   204             int n;

   205             while ((n = in.read(data, offset, data.length - offset)) != -1) {

   206                 offset += n;

   207                 if (offset == data.length)

   208                     data = Arrays.copyOf(data, 2 * data.length);

   209             }

   210         } finally {

   211             in.close();

   212         }

   213         return Arrays.copyOf(data, offset);

   214     }

   216     void writeFile(File f, String s) throws IOException {

   217         f.getParentFile().mkdirs();

   218         FileWriter out = new FileWriter(f);

   219         try {

   220             out.write(s);

   221         } finally {

   222             out.close();

   223         }

   224     }

   226     void error(String msg) {

   227         System.err.println(msg);

   228         errors++;

   229     }

   231     int errors;

   232 }

Mercurial > jdk8-mips64-public > langtools / file revision

test/tools/javac/api/6411310/Test.java@6970d9fb8e02

test/tools/javac/api/6411310/Test.java