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test/tools/javac/lambdaShapes/org/openjdk/tests/separate/AttributeInjector.java@860f1d21763a (annotated)

test/tools/javac/lambdaShapes/org/openjdk/tests/separate/AttributeInjector.java

Thu, 24 Oct 2013 16:52:27 -0700

author

rfield

date

Thu, 24 Oct 2013 16:52:27 -0700

changeset 2170

860f1d21763a

parent 1448

7d34e91f66bb

child 2525

2eb010b6cb22

permissions

-rw-r--r--

8027220: DefaultMethodsTest: Change test to match spec
Reviewed-by: ksrini

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