| /* |
| * Copyright (c) 2012, 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. |
| */ |
| |
| /* |
| * This utils class is been used by test T8003512 which is compiled with Java 6 |
| * only features. So if this class is modified, it should be so using Java 6 |
| * features only. |
| */ |
| |
| 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); |
| } |
| } |
| } |