| /* |
| * Copyright (c) 2009, 2011, 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 6877206 |
| * @summary JavaFileObject.toUri returns bogus URI (win) |
| */ |
| |
| import java.io.*; |
| import java.net.*; |
| import java.util.*; |
| import java.util.jar.*; |
| import java.util.zip.*; |
| import javax.tools.*; |
| |
| import com.sun.tools.javac.file.JavacFileManager; |
| import com.sun.tools.javac.util.Context; |
| import com.sun.tools.javac.util.Options; |
| |
| // Test URIs returned from JavacFileManager and its support classes. |
| // For a variety of file objects, verify the validity of FileObject.toUri() |
| // by verifying the URI exists and points to the same contents as the file |
| // object itself |
| |
| public class T6877206 { |
| public static void main(String... args) throws Exception { |
| new T6877206().run(); |
| } |
| |
| Set<String> foundClasses = new TreeSet<String>(); |
| Set<String> foundJars = new TreeSet<String>(); |
| |
| void run() throws Exception { |
| File rt_jar = findRtJar(); |
| |
| // names for entries to be created in directories and jar files |
| String[] entries = { "p/A.class", "p/resources/A-1.jpg" }; |
| |
| // test various combinations of directories and jar files, intended to |
| // cover all sources of URIs within JavacFileManager's support classes |
| |
| test(createFileManager(), createDir("dir", entries), "p", entries.length); |
| test(createFileManager(), createDir("a b/dir", entries), "p", entries.length); |
| |
| for (boolean useOptimizedZip: new boolean[] { false, true }) { |
| test(createFileManager(useOptimizedZip), createJar("jar", entries), "p", entries.length); |
| test(createFileManager(useOptimizedZip), createJar("jar jar", entries), "p", entries.length); |
| |
| for (boolean useSymbolFile: new boolean[] { false, true }) { |
| test(createFileManager(useOptimizedZip, useSymbolFile), rt_jar, "java.lang.ref", -1); |
| } |
| } |
| |
| // Verify that we hit all the impl classes we intended |
| checkCoverage("classes", foundClasses, |
| "RegularFileObject", "SymbolFileObject", "ZipFileIndexFileObject", "ZipFileObject"); |
| |
| // Verify that we hit the jar files we intended, specifically ct.sym as well as rt.jar |
| checkCoverage("jar files", foundJars, |
| "ct.sym", "jar", "jar jar", "rt.jar"); |
| } |
| |
| // use a new file manager for each test |
| void test(StandardJavaFileManager fm, File f, String pkg, int expect) throws Exception { |
| JarURLConnection c; |
| System.err.println("Test " + f); |
| try { |
| fm.setLocation(StandardLocation.CLASS_PATH, Collections.singleton(f)); |
| |
| int count = 0; |
| for (JavaFileObject fo: fm.list(StandardLocation.CLASS_PATH, |
| pkg, EnumSet.allOf(JavaFileObject.Kind.class), true)) { |
| System.err.println("checking " + fo); |
| // record the file object class name for coverage checks later |
| foundClasses.add(fo.getClass().getSimpleName()); |
| testFileObject(fo); |
| count++; |
| } |
| |
| if (expect > 0 && count != expect) |
| throw new Exception("wrong number of entries found: " |
| + count + ", expected " + expect); |
| } finally { |
| fm.close(); |
| } |
| } |
| |
| void testFileObject(JavaFileObject fo) throws Exception { |
| // test the validity of the result of toUri() by using URLConnection |
| // and comparing the results of reading from the connection with the |
| // result of reading from the file object directly. |
| URI uri = fo.toUri(); |
| System.err.println("uri: " + uri); |
| |
| URLConnection urlconn = uri.toURL().openConnection(); |
| if (urlconn instanceof JarURLConnection) { |
| JarURLConnection jarconn = (JarURLConnection) urlconn; |
| File f = new File(jarconn.getJarFile().getName()); |
| // record access to the jar file for coverage checks later |
| foundJars.add(f.getName()); |
| } |
| |
| try { |
| byte[] uriData = read(urlconn.getInputStream()); |
| byte[] foData = read(fo.openInputStream()); |
| if (!Arrays.equals(uriData, foData)) { |
| if (uriData.length != foData.length) |
| throw new Exception("data size differs: uri data " |
| + uriData.length + " bytes, fo data " + foData.length+ " bytes"); |
| for (int i = 0; i < uriData.length; i++) { |
| if (uriData[i] != foData[i]) |
| throw new Exception("unexpected data returned at offset " + i |
| + ", uri data " + uriData[i] + ", fo data " + foData[i]); |
| } |
| throw new AssertionError("cannot find difference"); |
| } |
| } finally { |
| // In principle, simply closing the result of urlconn.getInputStream() |
| // should have been sufficient. But the internal JarURLConnection |
| // does not close the JarFile in an expeditious manner, thus preventing |
| // jtreg from deleting the jar file before starting the next test. |
| // Therefore we force access to the JarURLConnection to close the |
| // JarFile when necessary. |
| if (urlconn instanceof JarURLConnection) { |
| JarURLConnection jarconn = (JarURLConnection) urlconn; |
| jarconn.getJarFile().close(); |
| } |
| } |
| } |
| |
| void checkCoverage(String label, Set<String> found, String... expect) throws Exception { |
| Set<String> e = new TreeSet<String>(Arrays.asList(expect)); |
| if (!found.equals(e)) { |
| e.removeAll(found); |
| throw new Exception("expected " + label + " not used: " + e); |
| } |
| } |
| |
| JavacFileManager createFileManager() { |
| return createFileManager(false, false); |
| } |
| |
| JavacFileManager createFileManager(boolean useOptimizedZip) { |
| return createFileManager(useOptimizedZip, false); |
| } |
| |
| JavacFileManager createFileManager(boolean useOptimizedZip, boolean useSymbolFile) { |
| Context ctx = new Context(); |
| Options options = Options.instance(ctx); |
| options.put("useOptimizedZip", Boolean.toString(useOptimizedZip)); |
| if (!useSymbolFile) { |
| options.put("ignore.symbol.file", "true"); |
| } |
| return new JavacFileManager(ctx, false, null); |
| } |
| |
| File createDir(String name, String... entries) throws Exception { |
| File dir = new File(name); |
| if (!dir.mkdirs()) |
| throw new Exception("cannot create directories " + dir); |
| for (String e: entries) { |
| writeFile(new File(dir, e), e); |
| } |
| return dir; |
| } |
| |
| File createJar(String name, String... entries) throws IOException { |
| File jar = new File(name); |
| OutputStream out = new FileOutputStream(jar); |
| try { |
| JarOutputStream jos = new JarOutputStream(out); |
| for (String e: entries) { |
| jos.putNextEntry(new ZipEntry(e)); |
| jos.write(e.getBytes()); |
| } |
| jos.close(); |
| } finally { |
| out.close(); |
| } |
| return jar; |
| } |
| |
| File findRtJar() throws Exception { |
| File java_home = new File(System.getProperty("java.home")); |
| if (java_home.getName().equals("jre")) |
| java_home = java_home.getParentFile(); |
| File rt_jar = new File(new File(new File(java_home, "jre"), "lib"), "rt.jar"); |
| if (!rt_jar.exists()) |
| throw new Exception("can't find rt.jar"); |
| return rt_jar; |
| } |
| |
| byte[] read(InputStream in) throws IOException { |
| byte[] data = new byte[1024]; |
| int offset = 0; |
| try { |
| int n; |
| while ((n = in.read(data, offset, data.length - offset)) != -1) { |
| offset += n; |
| if (offset == data.length) |
| data = Arrays.copyOf(data, 2 * data.length); |
| } |
| } finally { |
| in.close(); |
| } |
| return Arrays.copyOf(data, offset); |
| } |
| |
| void writeFile(File f, String s) throws IOException { |
| f.getParentFile().mkdirs(); |
| FileWriter out = new FileWriter(f); |
| try { |
| out.write(s); |
| } finally { |
| out.close(); |
| } |
| } |
| } |