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17 package org.apache.commons.compress.harmony.unpack200.bytecode.forms;
18
19 import org.apache.commons.compress.harmony.pack200.Pack200Exception;
20 import org.apache.commons.compress.harmony.unpack200.SegmentConstantPool;
21 import org.apache.commons.compress.harmony.unpack200.bytecode.ByteCode;
22 import org.apache.commons.compress.harmony.unpack200.bytecode.ClassFileEntry;
23 import org.apache.commons.compress.harmony.unpack200.bytecode.OperandManager;
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28 public class StringRefForm extends SingleByteReferenceForm {
29
30 public StringRefForm(final int opcode, final String name, final int[] rewrite) {
31 super(opcode, name, rewrite);
32 }
33
34 public StringRefForm(final int opcode, final String name, final int[] rewrite, final boolean widened) {
35 this(opcode, name, rewrite);
36 this.widened = widened;
37 }
38
39 @Override
40 protected int getOffset(final OperandManager operandManager) {
41 return operandManager.nextStringRef();
42 }
43
44 @Override
45 protected int getPoolID() {
46 return SegmentConstantPool.CP_STRING;
47 }
48
49 @Override
50 protected void setNestedEntries(final ByteCode byteCode, final OperandManager operandManager, final int offset) throws Pack200Exception {
51 final SegmentConstantPool globalPool = operandManager.globalConstantPool();
52 final ClassFileEntry[] nested = { globalPool.getValue(getPoolID(), offset) };
53 byteCode.setNested(nested);
54 if (widened) {
55 byteCode.setNestedPositions(new int[][] { { 0, 2 } });
56 } else {
57 byteCode.setNestedPositions(new int[][] { { 0, 1 } });
58 }
59 }
60 }