Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/lambdaShapes/org/openjdk/tests/separate/AttributeInjector.java
test/tools/javac/lambdaShapes/org/openjdk/tests/separate/AttributeInjector.java
- changeset 1422
- d898d9ee352f
- child 1448
- 7d34e91f66bb
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| 1421:7538e419a588 | 1422:d898d9ee352f |
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| 1 /* | |
| 2 * Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. Oracle designates this | |
| 8 * particular file as subject to the "Classpath" exception as provided | |
| 9 * by Oracle in the LICENSE file that accompanied this code. | |
| 10 * | |
| 11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 * accompanied this code). | |
| 16 * | |
| 17 * You should have received a copy of the GNU General Public License version | |
| 18 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 * | |
| 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 * or visit www.oracle.com if you need additional information or have any | |
| 23 * questions. | |
| 24 */ | |
| 25 | |
| 26 package org.openjdk.tests.separate; | |
| 27 | |
| 28 import java.io.*; | |
| 29 | |
| 30 public class AttributeInjector implements ClassFilePreprocessor { | |
| 31 | |
| 32 private String attributeName; | |
| 33 private byte[] attributeData; | |
| 34 | |
| 35 public AttributeInjector(String attributeName, byte[] attributeData) { | |
| 36 this.attributeName = attributeName; | |
| 37 this.attributeData = attributeData; | |
| 38 } | |
| 39 | |
| 40 public byte[] preprocess(String name, byte[] cf) { | |
| 41 ClassFile classfile = new ClassFile(cf); | |
| 42 | |
| 43 short cpIndex = (short)classfile.constant_pool.size(); | |
| 44 | |
| 45 ClassFile.CpUtf8 entry = new ClassFile.CpUtf8(); | |
| 46 entry.bytes = new byte[attributeName.length()]; | |
| 47 for (int i = 0; i < attributeName.length(); ++i) { | |
| 48 entry.bytes[i] = (byte)attributeName.charAt(i); | |
| 49 } | |
| 50 | |
| 51 classfile.constant_pool.add(entry); | |
| 52 | |
| 53 ClassFile.Attribute attr = new ClassFile.Attribute(); | |
| 54 attr.attribute_name_index = cpIndex; | |
| 55 attr.info = attributeData; | |
| 56 | |
| 57 classfile.attributes.add(attr); | |
| 58 return classfile.toByteArray(); | |
| 59 } | |
| 60 | |
| 61 /* | |
| 62 public static void main(String argv[]) throws Exception { | |
| 63 File input = new File(argv[0]); | |
| 64 byte[] buffer = new byte[(int)input.length()]; | |
| 65 new FileInputStream(input).read(buffer); | |
| 66 | |
| 67 ClassFilePreprocessor cfp = | |
| 68 new AttributeInjector("RequiresBridges", new byte[0]); | |
| 69 byte[] cf = cfp.preprocess(argv[0], buffer); | |
| 70 new FileOutputStream(argv[0] + ".mod").write(cf); | |
| 71 } | |
| 72 */ | |
| 73 } |
