01: /*
02:
03: Derby - Class org.apache.derby.iapi.services.classfile.AttributeEntry
04:
05: Licensed to the Apache Software Foundation (ASF) under one or more
06: contributor license agreements. See the NOTICE file distributed with
07: this work for additional information regarding copyright ownership.
08: The ASF licenses this file to you under the Apache License, Version 2.0
09: (the "License"); you may not use this file except in compliance with
10: the License. You may obtain a copy of the License at
11:
12: http://www.apache.org/licenses/LICENSE-2.0
13:
14: Unless required by applicable law or agreed to in writing, software
15: distributed under the License is distributed on an "AS IS" BASIS,
16: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17: See the License for the specific language governing permissions and
18: limitations under the License.
19:
20: */
21:
22: package org.apache.derby.iapi.services.classfile;
23:
24: import java.io.IOException;
25:
26: class AttributeEntry {
27:
28: private int attribute_name_index;
29: private ClassFormatOutput infoOut;
30: byte[] infoIn;
31:
32: AttributeEntry(int name_index, ClassFormatOutput info) {
33: super ();
34:
35: attribute_name_index = name_index;
36: this .infoOut = info;
37: }
38:
39: AttributeEntry(ClassInput in) throws IOException {
40: attribute_name_index = in.getU2();
41: infoIn = in.getU1Array(in.getU4());
42: }
43:
44: int getNameIndex() {
45: return attribute_name_index;
46: }
47:
48: void put(ClassFormatOutput out) throws IOException {
49: out.putU2(attribute_name_index);
50: if (infoOut != null) {
51: out.putU4(infoOut.size());
52: infoOut.writeTo(out);
53: } else {
54: out.putU4(infoIn.length);
55: out.write(infoIn);
56: }
57: }
58:
59: /**
60: This is exact.
61: */
62: int classFileSize() {
63: return 2 + 4 + ((infoOut != null) ? infoOut.size()
64: : infoIn.length);
65: }
66: }
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