| /* |
| * Copyright (c) 2009, 2016, 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 6879371 |
| * @summary javap does not close internal default file manager |
| * @modules jdk.jdeps/com.sun.tools.javap |
| */ |
| |
| import java.io.*; |
| import java.util.zip.*; |
| |
| public class T6879371 { |
| public static void main(String[] args) throws Exception { |
| new T6879371().run(); |
| } |
| |
| public void run() throws Exception { |
| // create a simple test class which we can put into |
| // a test zip file and know that it will be used by |
| // javap. |
| File classDir = new File("classes"); |
| classDir.mkdir(); |
| |
| String className = "Test"; |
| File javaFile = writeTestFile(className); |
| compileTestFile(classDir, javaFile); |
| |
| test(classDir, className, false); |
| test(classDir, className, true); |
| } |
| |
| void test(File classDir, String className, boolean useJavaUtilZip) throws Exception { |
| // javac should really not be using system properties like this |
| // -- it should really be using (hidden) options -- but until then |
| // take care to leave system properties as we find them, so as not |
| // to adversely affect other tests that might follow. |
| String prev = System.getProperty("useJavaUtilZip"); |
| setProperty("useJavaUtilZip", (useJavaUtilZip ? "true" : null)); |
| try { |
| File zipFile = zip(classDir, new File(classDir + ".zip")); |
| javap("-classpath", zipFile.getPath(), className); |
| |
| if (!zipFile.delete()) |
| throw new Exception("failed to delete " + zipFile); |
| } finally { |
| setProperty("useJavaUtilZip", prev); |
| } |
| } |
| |
| File writeTestFile(String name) throws IOException { |
| File f = new File(name + ".java"); |
| PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f))); |
| out.println("class " + name + " { }"); |
| out.close(); |
| return f; |
| } |
| |
| void compileTestFile(File classDir, File file) { |
| int rc = com.sun.tools.javac.Main.compile( |
| new String[] { "-d", classDir.getPath(), file.getPath() }); |
| if (rc != 0) |
| throw new Error("compilation failed. rc=" + rc); |
| } |
| |
| File zip(File dir, File zipFile) throws IOException { |
| ZipOutputStream zipOut = new ZipOutputStream(new FileOutputStream(zipFile)); |
| for (File file: dir.listFiles()) { |
| if (file.isFile()) { |
| byte[] data = new byte[(int) file.length()]; |
| DataInputStream in = new DataInputStream(new FileInputStream(file)); |
| in.readFully(data); |
| in.close(); |
| zipOut.putNextEntry(new ZipEntry(file.getName())); |
| zipOut.write(data, 0, data.length); |
| zipOut.closeEntry(); |
| } |
| } |
| zipOut.close(); |
| return zipFile; |
| } |
| |
| String javap(String... args) { |
| StringWriter sw = new StringWriter(); |
| PrintWriter out = new PrintWriter(sw); |
| int rc = com.sun.tools.javap.Main.run(args, out); |
| if (rc != 0) |
| throw new Error("javap failed. rc=" + rc); |
| out.close(); |
| return sw.toString(); |
| } |
| |
| void setProperty(String key, String value) { |
| if (value != null) |
| System.setProperty(key, value); |
| else |
| System.getProperties().remove(key); |
| } |
| } |