0N/A/*
2362N/A * Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage sun.tools.java;
0N/A
0N/Aimport java.io.IOException;
0N/Aimport java.io.DataInputStream;
0N/Aimport java.io.DataOutputStream;
0N/A
0N/A/**
0N/A * This class is used to represent an attribute from a binary class.
0N/A * This class should go away once arrays are objects.
0N/A *
0N/A * WARNING: The contents of this source file are not part of any
0N/A * supported API. Code that depends on them does so at its own risk:
0N/A * they are subject to change or removal without notice.
0N/A */
0N/Apublic final
0N/Aclass BinaryAttribute implements Constants {
0N/A Identifier name;
0N/A byte data[];
0N/A BinaryAttribute next;
0N/A
0N/A /**
0N/A * Constructor
0N/A */
0N/A BinaryAttribute(Identifier name, byte data[], BinaryAttribute next) {
0N/A this.name = name;
0N/A this.data = data;
0N/A this.next = next;
0N/A }
0N/A
0N/A /**
0N/A * Load a list of attributes
0N/A */
0N/A public static BinaryAttribute load(DataInputStream in, BinaryConstantPool cpool, int mask) throws IOException {
0N/A BinaryAttribute atts = null;
0N/A int natt = in.readUnsignedShort(); // JVM 4.6 method_info.attrutes_count
0N/A
0N/A for (int i = 0 ; i < natt ; i++) {
0N/A // id from JVM 4.7 attribute_info.attribute_name_index
0N/A Identifier id = cpool.getIdentifier(in.readUnsignedShort());
0N/A // id from JVM 4.7 attribute_info.attribute_length
0N/A int len = in.readInt();
0N/A
0N/A if (id.equals(idCode) && ((mask & ATT_CODE) == 0)) {
0N/A in.skipBytes(len);
0N/A } else {
0N/A byte data[] = new byte[len];
0N/A in.readFully(data);
0N/A atts = new BinaryAttribute(id, data, atts);
0N/A }
0N/A }
0N/A return atts;
0N/A }
0N/A
0N/A // write out the Binary attributes to the given stream
0N/A // (note that attributes may be null)
0N/A static void write(BinaryAttribute attributes, DataOutputStream out,
0N/A BinaryConstantPool cpool, Environment env) throws IOException {
0N/A // count the number of attributes
0N/A int attributeCount = 0;
0N/A for (BinaryAttribute att = attributes; att != null; att = att.next)
0N/A attributeCount++;
0N/A out.writeShort(attributeCount);
0N/A
0N/A // write out each attribute
0N/A for (BinaryAttribute att = attributes; att != null; att = att.next) {
0N/A Identifier name = att.name;
0N/A byte data[] = att.data;
0N/A // write the identifier
0N/A out.writeShort(cpool.indexString(name.toString(), env));
0N/A // write the length
0N/A out.writeInt(data.length);
0N/A // write the data
0N/A out.write(data, 0, data.length);
0N/A }
0N/A }
0N/A
0N/A /**
0N/A * Accessors
0N/A */
0N/A
0N/A public Identifier getName() { return name; }
0N/A
0N/A public byte getData()[] { return data; }
0N/A
0N/A public BinaryAttribute getNextAttribute() { return next; }
0N/A
0N/A}