1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/file/zip/Utils.java Mon Mar 07 17:39:42 2011 -0800
1.3 @@ -0,0 +1,131 @@
1.4 +/*
1.5 + * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +import java.io.BufferedInputStream;
1.28 +import java.io.BufferedOutputStream;
1.29 +import java.io.Closeable;
1.30 +import java.io.File;
1.31 +import java.io.FileInputStream;
1.32 +import java.io.FileOutputStream;
1.33 +import java.io.IOException;
1.34 +import java.io.InputStream;
1.35 +import java.io.OutputStream;
1.36 +import java.io.PrintStream;
1.37 +
1.38 +public class Utils {
1.39 +
1.40 + static final sun.tools.jar.Main jarTool =
1.41 + new sun.tools.jar.Main(System.out, System.err, "jar-tool");
1.42 +
1.43 + static final com.sun.tools.javac.Main javac =
1.44 + new com.sun.tools.javac.Main();
1.45 +
1.46 + private Utils(){}
1.47 +
1.48 + public static boolean compile(String... args) {
1.49 + return javac.compile(args) == 0;
1.50 + }
1.51 +
1.52 + public static void createClassFile(File javaFile, File superClass,
1.53 + boolean delete) throws IOException {
1.54 + createJavaFile(javaFile, superClass);
1.55 + if (!compile(javaFile.getName())) {
1.56 + throw new RuntimeException("compile failed unexpectedly");
1.57 + }
1.58 + if (delete) javaFile.delete();
1.59 + }
1.60 +
1.61 + public static void createJavaFile(File outFile) throws IOException {
1.62 + createJavaFile(outFile, null);
1.63 + }
1.64 +
1.65 + public static void createJavaFile(File outFile, File superClass) throws IOException {
1.66 + PrintStream ps = null;
1.67 + String srcStr = "public class " + getSimpleName(outFile) + " ";
1.68 + if (superClass != null) {
1.69 + srcStr = srcStr.concat("extends " + getSimpleName(superClass) + " ");
1.70 + }
1.71 + srcStr = srcStr.concat("{}");
1.72 + try {
1.73 + FileOutputStream fos = new FileOutputStream(outFile);
1.74 + ps = new PrintStream(fos);
1.75 + ps.println(srcStr);
1.76 + } finally {
1.77 + close(ps);
1.78 + }
1.79 + }
1.80 +
1.81 + static String getClassFileName(File javaFile) {
1.82 + return javaFile.getName().endsWith(".java")
1.83 + ? javaFile.getName().replace(".java", ".class")
1.84 + : null;
1.85 + }
1.86 +
1.87 + static String getSimpleName(File inFile) {
1.88 + String fname = inFile.getName();
1.89 + return fname.substring(0, fname.indexOf("."));
1.90 + }
1.91 +
1.92 + public static void copyStream(InputStream in, OutputStream out) throws IOException {
1.93 + byte[] buf = new byte[8192];
1.94 + int n = in.read(buf);
1.95 + while (n > 0) {
1.96 + out.write(buf, 0, n);
1.97 + n = in.read(buf);
1.98 + }
1.99 + }
1.100 +
1.101 + public static void close(Closeable c) {
1.102 + if (c != null) {
1.103 + try {
1.104 + c.close();
1.105 + } catch (IOException ignore) {}
1.106 + }
1.107 + }
1.108 +
1.109 + public static void deleteFile(File f) {
1.110 + if (!f.delete()) {
1.111 + throw new RuntimeException("could not delete file: " + f.getAbsolutePath());
1.112 + }
1.113 + }
1.114 +
1.115 + public static void cat(File output, File... files) throws IOException {
1.116 + BufferedInputStream bis = null;
1.117 + BufferedOutputStream bos = null;
1.118 + FileOutputStream fos = null;
1.119 + try {
1.120 + fos = new FileOutputStream(output);
1.121 + bos = new BufferedOutputStream(fos);
1.122 + for (File x : files) {
1.123 + FileInputStream fis = new FileInputStream(x);
1.124 + bis = new BufferedInputStream(fis);
1.125 + copyStream(bis, bos);
1.126 + Utils.close(bis);
1.127 + }
1.128 + } finally {
1.129 + Utils.close(bis);
1.130 + Utils.close(bos);
1.131 + Utils.close(fos);
1.132 + }
1.133 + }
1.134 +}
