jdk/test/tools/jar/normalize/TestNormal.java
changeset 21348 e30c5696b4c5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/tools/jar/normalize/TestNormal.java	Wed Oct 23 18:35:47 2013 +0400
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 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
+ * @run main/timeout=600 TestNormal
+ * @bug 8020802
+ * @summary Need an ability to create jar files that are invariant to the pack200 packing/unpacking
+ * @author Alexander Zuev
+ */
+
+import java.io.*;
+import java.util.Collections;
+import java.util.Properties;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
+
+public class TestNormal {
+    private static String FS = File.separator;
+
+    public static void main(String args[]) throws Exception {
+        Properties p = System.getProperties();
+        String java_home = p.getProperty("test.jdk");
+        String dtjar = java_home + File.separator + "lib"
+                + File.separator + "dt.jar";
+
+        File folder = new File("dt");
+        if (folder.exists()) {
+            delete(folder);
+        }
+        folder.mkdir();
+
+        try {
+            extractJar(new JarFile(dtjar), folder);
+            execJavaCommand(java_home, "jar cnf normalized.jar -C dt .");
+            execJavaCommand(java_home, "jar cf original.jar -C dt .");
+            execJavaCommand(java_home, "pack200 -r repacked.jar original.jar");
+            compareJars(new JarFile("normalized.jar"), new JarFile("repacked.jar"));
+        } finally {
+            String[] cleanupList = {"dt", "normalized.jar", "original.jar", "repacked.jar"};
+            for (String s : cleanupList) {
+                delete(new File(s));
+            }
+        }
+    }
+
+    public static void execJavaCommand(String java_home, String cmd) throws Exception {
+        Process proc = Runtime.getRuntime().exec(java_home + FS + "bin" + FS + cmd);
+        String s;
+        BufferedReader stdInput =
+                new BufferedReader(new InputStreamReader(proc.getInputStream()));
+        BufferedReader stdError =
+                new BufferedReader(new InputStreamReader(proc.getErrorStream()));
+        while ((s = stdInput.readLine()) != null) {
+            System.out.println(s);
+        }
+        while ((s = stdError.readLine()) != null) {
+            System.err.println(s);
+        }
+    }
+
+    public static void compareJars(JarFile jf1, JarFile jf2) throws Exception {
+        try {
+            if (jf1.size() != jf2.size()) {
+                throw new Exception("Jars " + jf1.getName() + " and " + jf2.getName()
+                        + " have different number of entries");
+            }
+            for (JarEntry elem1 : Collections.list(jf1.entries())) {
+                JarEntry elem2 = jf2.getJarEntry(elem1.getName());
+                if (elem2 == null) {
+                    throw new Exception("Element " + elem1.getName() + " is missing from " + jf2.getName());
+                }
+                if (!elem1.isDirectory() && elem1.getCrc() != elem2.getCrc()) {
+                    throw new Exception("The crc of " + elem1.getName() + " is different.");
+                }
+            }
+        } finally {
+            jf1.close();
+            jf2.close();
+        }
+    }
+
+    public static void extractJar(JarFile jf, File where) throws Exception {
+        for (JarEntry file : Collections.list(jf.entries())) {
+            File out = new File(where, file.getName());
+            if (file.isDirectory()) {
+                out.mkdirs();
+                continue;
+            }
+            File parent = out.getParentFile();
+            if (parent != null && !parent.exists()) {
+                parent.mkdirs();
+            }
+            InputStream is = null;
+            OutputStream os = null;
+            try {
+                is = jf.getInputStream(file);
+                os = new FileOutputStream(out);
+                while (is.available() > 0) {
+                    os.write(is.read());
+                }
+            } finally {
+                if (is != null) {
+                    is.close();
+                }
+                if (os != null) {
+                    os.close();
+                }
+            }
+        }
+    }
+
+    static void delete(File f) throws IOException {
+        if (!f.exists()) {
+            return;
+        }
+        if (f.isDirectory()) {
+            for (File c : f.listFiles()) {
+                delete(c);
+            }
+        }
+        if (!f.delete()) {
+            throw new FileNotFoundException("Failed to delete file: " + f);
+        }
+    }
+}