jjg@402: /*
ohair@554:  * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
jjg@402:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@402:  *
jjg@402:  * This code is free software; you can redistribute it and/or modify it
jjg@402:  * under the terms of the GNU General Public License version 2 only, as
jjg@402:  * published by the Free Software Foundation.
jjg@402:  *
jjg@402:  * This code is distributed in the hope that it will be useful, but WITHOUT
jjg@402:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@402:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jjg@402:  * version 2 for more details (a copy is included in the LICENSE file that
jjg@402:  * accompanied this code).
jjg@402:  *
jjg@402:  * You should have received a copy of the GNU General Public License version
jjg@402:  * 2 along with this work; if not, write to the Free Software Foundation,
jjg@402:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@402:  *
ohair@554:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554:  * or visit www.oracle.com if you need additional information or have any
ohair@554:  * questions.
jjg@402:  */
jjg@402: 
jjg@402: /*
jjg@402:  * @test
jjg@402:  * @bug 6879371
jjg@402:  * @summary javap does not close internal default file manager
jjg@402:  */
jjg@402: 
jjg@402: import java.io.*;
jjg@402: import java.util.zip.*;
jjg@402: 
jjg@402: public class T6879371 {
jjg@402:     public static void main(String[] args) throws Exception {
jjg@402:         new T6879371().run();
jjg@402:     }
jjg@402: 
jjg@402:     public void run() throws Exception {
jjg@402:         // create a simple test class which we can put into
jjg@402:         // a test zip file and know that it will be used by
jjg@402:         // javap.
jjg@402:         File classDir = new File("classes");
jjg@402:         classDir.mkdir();
jjg@402: 
jjg@402:         String className = "Test";
jjg@402:         File javaFile = writeTestFile(className);
jjg@402:         compileTestFile(classDir, javaFile);
jjg@402: 
jjg@402:         test(classDir, className, false);
jjg@402:         test(classDir, className, true);
jjg@402:     }
jjg@402: 
jjg@402:     void test(File classDir, String className, boolean useJavaUtilZip) throws Exception {
jjg@402:         // javac should really not be using system properties like this
jjg@402:         // -- it should really be using (hidden) options -- but until then
jjg@402:         // take care to leave system properties as we find them, so as not
jjg@402:         // to adversely affect other tests that might follow.
jjg@402:         String prev = System.getProperty("useJavaUtilZip");
jjg@402:         setProperty("useJavaUtilZip", (useJavaUtilZip ? "true" : null));
jjg@402:         try {
jjg@402:             File zipFile = zip(classDir, new File(classDir + ".zip"));
jjg@402:             javap("-classpath", zipFile.getPath(), className);
jjg@402: 
jjg@402:             if (!zipFile.delete())
jjg@402:                 throw new Exception("failed to delete " + zipFile);
jjg@402:         } finally {
jjg@402:             setProperty("useJavaUtilZip", prev);
jjg@402:         }
jjg@402:     }
jjg@402: 
jjg@402:     File writeTestFile(String name) throws IOException {
jjg@402:         File f = new File(name + ".java");
jjg@402:         PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
jjg@402:         out.println("class " + name + " { }");
jjg@402:         out.close();
jjg@402:         return f;
jjg@402:     }
jjg@402: 
jjg@402:     void compileTestFile(File classDir, File file) {
jjg@402:         int rc = com.sun.tools.javac.Main.compile(
jjg@402:            new String[] { "-d", classDir.getPath(), file.getPath() });
jjg@402:         if (rc != 0)
jjg@402:             throw new Error("compilation failed. rc=" + rc);
jjg@402:     }
jjg@402: 
jjg@402:     File zip(File dir, File zipFile) throws IOException {
jjg@402:         ZipOutputStream zipOut = new ZipOutputStream(new FileOutputStream(zipFile));
jjg@402:         for (File file: dir.listFiles()) {
jjg@402:             if (file.isFile()) {
jjg@402:                 byte[] data = new byte[(int) file.length()];
jjg@402:                 DataInputStream in = new DataInputStream(new FileInputStream(file));
jjg@402:                 in.readFully(data);
jjg@402:                 in.close();
jjg@402:                 zipOut.putNextEntry(new ZipEntry(file.getName()));
jjg@402:                 zipOut.write(data, 0, data.length);
jjg@402:                 zipOut.closeEntry();
jjg@402:             }
jjg@402:         }
jjg@402:         zipOut.close();
jjg@402:         return zipFile;
jjg@402:     }
jjg@402: 
jjg@402:     String javap(String... args) {
jjg@402:         StringWriter sw = new StringWriter();
jjg@402:         PrintWriter out = new PrintWriter(sw);
jjg@402:         int rc = com.sun.tools.javap.Main.run(args, out);
jjg@402:         if (rc != 0)
jjg@402:             throw new Error("javap failed. rc=" + rc);
jjg@402:         out.close();
jjg@402:         return sw.toString();
jjg@402:     }
jjg@402: 
jjg@402:     void setProperty(String key, String value) {
jjg@402:         if (value != null)
jjg@402:             System.setProperty(key, value);
jjg@402:         else
jjg@402:             System.getProperties().remove(key);
jjg@402:     }
jjg@402: }