1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javah/compareTest/FindNativeFiles.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,86 @@
1.4 +/*
1.5 + * Copyright (c) 2009, 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.IOException;
1.28 +import java.io.InputStream;
1.29 +import java.util.Enumeration;
1.30 +import java.util.jar.JarEntry;
1.31 +import java.util.jar.JarFile;
1.32 +
1.33 +import com.sun.tools.classfile.AccessFlags;
1.34 +import com.sun.tools.classfile.ClassFile;
1.35 +import com.sun.tools.classfile.ConstantPoolException;
1.36 +import com.sun.tools.classfile.Method;
1.37 +import java.util.Comparator;
1.38 +import java.util.Set;
1.39 +import java.util.TreeSet;
1.40 +
1.41 +public class FindNativeFiles {
1.42 + public static void main(String[] args) throws IOException, ConstantPoolException {
1.43 + new FindNativeFiles().run(args);
1.44 + }
1.45 +
1.46 + public void run(String[] args) throws IOException, ConstantPoolException {
1.47 + JarFile jar = new JarFile(args[0]);
1.48 + Set<JarEntry> entries = getNativeClasses(jar);
1.49 + for (JarEntry e: entries) {
1.50 + String name = e.getName();
1.51 + String className = name.substring(0, name.length() - 6).replace("/", ".");
1.52 + System.out.println(className);
1.53 + }
1.54 + }
1.55 +
1.56 + Set<JarEntry> getNativeClasses(JarFile jar) throws IOException, ConstantPoolException {
1.57 + Set<JarEntry> results = new TreeSet<JarEntry>(new Comparator<JarEntry>() {
1.58 + public int compare(JarEntry o1, JarEntry o2) {
1.59 + return o1.getName().compareTo(o2.getName());
1.60 + }
1.61 + });
1.62 + Enumeration<JarEntry> e = jar.entries();
1.63 + while (e.hasMoreElements()) {
1.64 + JarEntry je = e.nextElement();
1.65 + if (isNativeClass(jar, je))
1.66 + results.add(je);
1.67 + }
1.68 + return results;
1.69 + }
1.70 +
1.71 + boolean isNativeClass(JarFile jar, JarEntry entry) throws IOException, ConstantPoolException {
1.72 + String name = entry.getName();
1.73 + if (name.startsWith("META-INF") || !name.endsWith(".class"))
1.74 + return false;
1.75 + //String className = name.substring(0, name.length() - 6).replace("/", ".");
1.76 + //System.err.println("check " + className);
1.77 + InputStream in = jar.getInputStream(entry);
1.78 + ClassFile cf = ClassFile.read(in);
1.79 + in.close();
1.80 + for (int i = 0; i < cf.methods.length; i++) {
1.81 + Method m = cf.methods[i];
1.82 + if (m.access_flags.is(AccessFlags.ACC_NATIVE)) {
1.83 + // System.err.println(className);
1.84 + return true;
1.85 + }
1.86 + }
1.87 + return false;
1.88 + }
1.89 +}
