jdk8-mips64-public/langtools: test/tools/javac/file/zip/Utils.java@6970d9fb8e02 (annotated)

test/tools/javac/file/zip/Utils.java@6970d9fb8e02 (annotated)

test/tools/javac/file/zip/Utils.java

Mon, 07 Mar 2011 17:39:42 -0800

author: ksrini
date: Mon, 07 Mar 2011 17:39:42 -0800
changeset 923: 6970d9fb8e02
child 1467: 189b26e3818f
permissions: -rw-r--r--

7021927: javac: regression in performance
Reviewed-by: jjg

 /*
  * Copyright (c) 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.
  */
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.Closeable;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.PrintStream;
 public class Utils {
     static final sun.tools.jar.Main jarTool =
             new sun.tools.jar.Main(System.out, System.err, "jar-tool");
     static final com.sun.tools.javac.Main javac =
             new com.sun.tools.javac.Main();
     private Utils(){}
     public static boolean compile(String... args) {
         return javac.compile(args) == 0;
     }
     public static void createClassFile(File javaFile, File superClass,
             boolean delete) throws IOException {
         createJavaFile(javaFile, superClass);
         if (!compile(javaFile.getName())) {
             throw new RuntimeException("compile failed unexpectedly");
         }
         if (delete) javaFile.delete();
     }
     public static void createJavaFile(File outFile) throws IOException {
         createJavaFile(outFile, null);
     }
     public static void createJavaFile(File outFile, File superClass) throws IOException {
         PrintStream ps = null;
         String srcStr = "public class " + getSimpleName(outFile) + " ";
         if (superClass != null) {
             srcStr = srcStr.concat("extends " + getSimpleName(superClass) + " ");
         }
         srcStr = srcStr.concat("{}");
         try {
             FileOutputStream fos = new FileOutputStream(outFile);
             ps = new PrintStream(fos);
             ps.println(srcStr);
         } finally {
             close(ps);
         }
     }
     static String getClassFileName(File javaFile) {
         return javaFile.getName().endsWith(".java")
                 ? javaFile.getName().replace(".java", ".class")
                 : null;
     }
     static String getSimpleName(File inFile) {
         String fname = inFile.getName();
         return fname.substring(0, fname.indexOf("."));
     }
     public static void copyStream(InputStream in, OutputStream out) throws IOException {
         byte[] buf = new byte[8192];
         int n = in.read(buf);
         while (n > 0) {
             out.write(buf, 0, n);
             n = in.read(buf);
         }
     }
     public static void close(Closeable c) {
         if (c != null) {
             try {
                 c.close();
             } catch (IOException ignore) {}
         }
     }
     public static void deleteFile(File f) {
         if (!f.delete()) {
             throw new RuntimeException("could not delete file: " + f.getAbsolutePath());
         }
     }
     public static void cat(File output, File... files) throws IOException {
         BufferedInputStream bis = null;
         BufferedOutputStream bos = null;
         FileOutputStream fos = null;
         try {
             fos = new FileOutputStream(output);
             bos = new BufferedOutputStream(fos);
             for (File x : files) {
                 FileInputStream fis = new FileInputStream(x);
                 bis = new BufferedInputStream(fis);
                 copyStream(bis, bos);
                 Utils.close(bis);
             }
         } finally {
             Utils.close(bis);
             Utils.close(bos);
             Utils.close(fos);
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/file/zip/Utils.java@6970d9fb8e02 (annotated)

test/tools/javac/file/zip/Utils.java