Thu, 31 Aug 2017 15:17:03 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | package org.openjdk.tests.separate; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import java.io.*; |
aoqi@0 | 29 | |
aoqi@0 | 30 | public class AttributeInjector implements ClassFilePreprocessor { |
aoqi@0 | 31 | |
aoqi@0 | 32 | private String attributeName; |
aoqi@0 | 33 | private byte[] attributeData; |
aoqi@0 | 34 | |
aoqi@0 | 35 | public AttributeInjector(String attributeName, byte[] attributeData) { |
aoqi@0 | 36 | this.attributeName = attributeName; |
aoqi@0 | 37 | this.attributeData = attributeData; |
aoqi@0 | 38 | } |
aoqi@0 | 39 | |
aoqi@0 | 40 | public byte[] preprocess(String name, byte[] cf) { |
aoqi@0 | 41 | ClassFile classfile = new ClassFile(cf); |
aoqi@0 | 42 | |
aoqi@0 | 43 | short cpIndex = (short)classfile.constant_pool.size(); |
aoqi@0 | 44 | |
aoqi@0 | 45 | ClassFile.CpUtf8 entry = new ClassFile.CpUtf8(); |
aoqi@0 | 46 | entry.bytes = new byte[attributeName.length()]; |
aoqi@0 | 47 | for (int i = 0; i < attributeName.length(); ++i) { |
aoqi@0 | 48 | entry.bytes[i] = (byte)attributeName.charAt(i); |
aoqi@0 | 49 | } |
aoqi@0 | 50 | |
aoqi@0 | 51 | classfile.constant_pool.add(entry); |
aoqi@0 | 52 | |
aoqi@0 | 53 | ClassFile.Attribute attr = new ClassFile.Attribute(); |
aoqi@0 | 54 | attr.attribute_name_index = cpIndex; |
aoqi@0 | 55 | attr.info = attributeData; |
aoqi@0 | 56 | |
aoqi@0 | 57 | classfile.attributes.add(attr); |
aoqi@0 | 58 | return classfile.toByteArray(); |
aoqi@0 | 59 | } |
aoqi@0 | 60 | |
aoqi@0 | 61 | /* |
aoqi@0 | 62 | public static void main(String argv[]) throws Exception { |
aoqi@0 | 63 | File input = new File(argv[0]); |
aoqi@0 | 64 | byte[] buffer = new byte[(int)input.length()]; |
aoqi@0 | 65 | new FileInputStream(input).read(buffer); |
aoqi@0 | 66 | |
aoqi@0 | 67 | ClassFilePreprocessor cfp = |
aoqi@0 | 68 | new AttributeInjector("RequiresBridges", new byte[0]); |
aoqi@0 | 69 | byte[] cf = cfp.preprocess(argv[0], buffer); |
aoqi@0 | 70 | new FileOutputStream(argv[0] + ".mod").write(cf); |
aoqi@0 | 71 | } |
aoqi@0 | 72 | */ |
aoqi@0 | 73 | } |