aoqi@0: /*
aoqi@0:  * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug 6558476
aoqi@0:  * @summary com/sun/tools/javac/Main.compile don't release file handles on return
aoqi@0:  * @run main/othervm -Xmx512m -Xms512m  T6558476
aoqi@0:  */
aoqi@0: 
aoqi@0: import java.io.File;
aoqi@0: import java.io.FileInputStream;
aoqi@0: import java.io.FileOutputStream;
aoqi@0: import java.io.IOException;
aoqi@0: import java.util.Random;
aoqi@0: 
aoqi@0: import com.sun.tools.javac.Main;
aoqi@0: 
aoqi@0: public class T6558476 {
aoqi@0:     private static File copyFileTo(File file, File directory) throws IOException {
aoqi@0:         File newFile = new File(directory, file.getName());
aoqi@0:         FileInputStream fis = null;
aoqi@0:         FileOutputStream fos = null;
aoqi@0:         try {
aoqi@0:             fis = new FileInputStream(file);
aoqi@0:             fos = new FileOutputStream(newFile);
aoqi@0:             byte buff[] = new byte[1024];
aoqi@0:             int val;
aoqi@0:             while ((val = fis.read(buff)) > 0)
aoqi@0:                 fos.write(buff, 0, val);
aoqi@0:         } finally {
aoqi@0:             if (fis != null)
aoqi@0:                 fis.close();
aoqi@0:             if (fos != null)
aoqi@0:                 fos.close();
aoqi@0:         }
aoqi@0:         return newFile;
aoqi@0:     }
aoqi@0: 
aoqi@0:     private static String generateJavaClass(String className) {
aoqi@0:         StringBuffer sb = new StringBuffer();
aoqi@0:         sb.append("import sun.net.spi.nameservice.dns.DNSNameService;\n");
aoqi@0:         sb.append("public class ");
aoqi@0:         sb.append(className);
aoqi@0:         sb.append(" {\n");
aoqi@0:         sb.append("  public void doStuff() {\n");
aoqi@0:         sb.append("    DNSNameService dns = null;\n");
aoqi@0:         sb.append("  }\n");
aoqi@0:         sb.append("}\n");
aoqi@0:         return sb.toString();
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static void main(String[] args) throws IOException {
aoqi@0:         File javaHomeDir = new File(System.getProperty("java.home"));
aoqi@0:         File outputDir = new File("outputDir" + new Random().nextInt(65536));
aoqi@0:         outputDir.mkdir();
aoqi@0:         outputDir.deleteOnExit();
aoqi@0: 
aoqi@0:         File dnsjarfile = new File(javaHomeDir, "lib" + File.separator + "ext" + File.separator + "dnsns.jar");
aoqi@0:         File tmpJar = copyFileTo(dnsjarfile, outputDir);
aoqi@0:         String className = "TheJavaFile";
aoqi@0:         File javaFile = new File(outputDir, className + ".java");
aoqi@0:         javaFile.deleteOnExit();
aoqi@0:         FileOutputStream fos = new FileOutputStream(javaFile);
aoqi@0:         fos.write(generateJavaClass(className).getBytes());
aoqi@0:         fos.close();
aoqi@0: 
aoqi@0:         int rc = Main.compile(new String[]{"-d", outputDir.getPath(),
aoqi@0:                     "-classpath",
aoqi@0:                     tmpJar.getPath(),
aoqi@0:                     javaFile.getAbsolutePath()});
aoqi@0:         if (rc != 0) {
aoqi@0:             throw new Error("Couldn't compile the file (exit code=" + rc + ")");
aoqi@0:         }
aoqi@0: 
aoqi@0:         if (tmpJar.delete()) {
aoqi@0:             System.out.println("jar file successfully deleted");
aoqi@0:         } else {
aoqi@0:             throw new Error("Error deleting file \"" + tmpJar.getPath() + "\"");
aoqi@0:         }
aoqi@0:     }
aoqi@0: }