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

changeset 1422
d898d9ee352f
child 1448
7d34e91f66bb
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/lambdaShapes/org/openjdk/tests/separate/AttributeInjector.java	Tue Nov 20 09:58:55 2012 -0800
     1.3 @@ -0,0 +1,73 @@
     1.4 +/*
     1.5 + * Copyright (c) 2012 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.  Oracle designates this
    1.11 + * particular file as subject to the "Classpath" exception as provided
    1.12 + * by Oracle in the LICENSE file that accompanied this code.
    1.13 + *
    1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.16 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.17 + * version 2 for more details (a copy is included in the LICENSE file that
    1.18 + * accompanied this code).
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License version
    1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.23 + *
    1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.25 + * or visit www.oracle.com if you need additional information or have any
    1.26 + * questions.
    1.27 + */
    1.28 +
    1.29 +package org.openjdk.tests.separate;
    1.30 +
    1.31 +import java.io.*;
    1.32 +
    1.33 +public class AttributeInjector implements ClassFilePreprocessor {
    1.34 +
    1.35 +    private String attributeName;
    1.36 +    private byte[] attributeData;
    1.37 +
    1.38 +    public AttributeInjector(String attributeName, byte[] attributeData) {
    1.39 +        this.attributeName = attributeName;
    1.40 +        this.attributeData = attributeData;
    1.41 +    }
    1.42 +
    1.43 +    public byte[] preprocess(String name, byte[] cf) {
    1.44 +        ClassFile classfile = new ClassFile(cf);
    1.45 +
    1.46 +        short cpIndex = (short)classfile.constant_pool.size();
    1.47 +
    1.48 +        ClassFile.CpUtf8 entry = new ClassFile.CpUtf8();
    1.49 +        entry.bytes = new byte[attributeName.length()];
    1.50 +        for (int i = 0; i < attributeName.length(); ++i) {
    1.51 +            entry.bytes[i] = (byte)attributeName.charAt(i);
    1.52 +        }
    1.53 +
    1.54 +        classfile.constant_pool.add(entry);
    1.55 +
    1.56 +        ClassFile.Attribute attr = new ClassFile.Attribute();
    1.57 +        attr.attribute_name_index = cpIndex;
    1.58 +        attr.info = attributeData;
    1.59 +
    1.60 +        classfile.attributes.add(attr);
    1.61 +        return classfile.toByteArray();
    1.62 +    }
    1.63 +
    1.64 +/*
    1.65 +    public static void main(String argv[]) throws Exception {
    1.66 +        File input = new File(argv[0]);
    1.67 +        byte[] buffer = new byte[(int)input.length()];
    1.68 +        new FileInputStream(input).read(buffer);
    1.69 +
    1.70 +        ClassFilePreprocessor cfp =
    1.71 +            new AttributeInjector("RequiresBridges", new byte[0]);
    1.72 +        byte[] cf = cfp.preprocess(argv[0], buffer);
    1.73 +        new FileOutputStream(argv[0] + ".mod").write(cf);
    1.74 +    }
    1.75 +*/
    1.76 +}

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