| /* |
| * Copyright (c) 2008, 2013, 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 6558476 |
| * @summary com/sun/tools/javac/Main.compile don't release file handles on return |
| * @run main/othervm -Xmx512m -Xms512m T6558476 |
| */ |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.util.Random; |
| |
| import com.sun.tools.javac.Main; |
| |
| public class T6558476 { |
| private static File copyFileTo(File file, File directory) throws IOException { |
| File newFile = new File(directory, file.getName()); |
| FileInputStream fis = null; |
| FileOutputStream fos = null; |
| try { |
| fis = new FileInputStream(file); |
| fos = new FileOutputStream(newFile); |
| byte buff[] = new byte[1024]; |
| int val; |
| while ((val = fis.read(buff)) > 0) |
| fos.write(buff, 0, val); |
| } finally { |
| if (fis != null) |
| fis.close(); |
| if (fos != null) |
| fos.close(); |
| } |
| return newFile; |
| } |
| |
| private static String generateJavaClass(String className) { |
| StringBuffer sb = new StringBuffer(); |
| sb.append("import sun.net.spi.nameservice.dns.DNSNameService;\n"); |
| sb.append("public class "); |
| sb.append(className); |
| sb.append(" {\n"); |
| sb.append(" public void doStuff() {\n"); |
| sb.append(" DNSNameService dns = null;\n"); |
| sb.append(" }\n"); |
| sb.append("}\n"); |
| return sb.toString(); |
| } |
| |
| public static void main(String[] args) throws IOException { |
| File javaHomeDir = new File(System.getProperty("java.home")); |
| File outputDir = new File("outputDir" + new Random().nextInt(65536)); |
| outputDir.mkdir(); |
| outputDir.deleteOnExit(); |
| |
| File dnsjarfile = new File(javaHomeDir, "lib" + File.separator + "ext" + File.separator + "dnsns.jar"); |
| File tmpJar = copyFileTo(dnsjarfile, outputDir); |
| String className = "TheJavaFile"; |
| File javaFile = new File(outputDir, className + ".java"); |
| javaFile.deleteOnExit(); |
| FileOutputStream fos = new FileOutputStream(javaFile); |
| fos.write(generateJavaClass(className).getBytes()); |
| fos.close(); |
| |
| int rc = Main.compile(new String[]{"-d", outputDir.getPath(), |
| "-classpath", |
| tmpJar.getPath(), |
| javaFile.getAbsolutePath()}); |
| if (rc != 0) { |
| throw new Error("Couldn't compile the file (exit code=" + rc + ")"); |
| } |
| |
| if (tmpJar.delete()) { |
| System.out.println("jar file successfully deleted"); |
| } else { |
| throw new Error("Error deleting file \"" + tmpJar.getPath() + "\""); |
| } |
| } |
| } |