[14627] | 1 | /*
|
---|
| 2 | * Copyright 2000-2004 The Apache Software Foundation
|
---|
| 3 | *
|
---|
| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
|
---|
| 5 | * you may not use this file except in compliance with the License.
|
---|
| 6 | * You may obtain a copy of the License at
|
---|
| 7 | *
|
---|
| 8 | * http://www.apache.org/licenses/LICENSE-2.0
|
---|
| 9 | *
|
---|
| 10 | * Unless required by applicable law or agreed to in writing, software
|
---|
| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
|
---|
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
---|
| 13 | * See the License for the specific language governing permissions and
|
---|
| 14 | * limitations under the License.
|
---|
| 15 | *
|
---|
| 16 | */
|
---|
| 17 | package org.apache.tools.ant.taskdefs.optional.depend.constantpool;
|
---|
| 18 |
|
---|
| 19 | import java.io.DataInputStream;
|
---|
| 20 | import java.io.IOException;
|
---|
| 21 |
|
---|
| 22 | /**
|
---|
| 23 | * A String Constant Pool Entry. The String info contains an index into the
|
---|
| 24 | * constant pool where a UTF8 string is stored.
|
---|
| 25 | *
|
---|
| 26 | */
|
---|
| 27 | public class StringCPInfo extends ConstantCPInfo {
|
---|
| 28 |
|
---|
| 29 | /** Constructor. */
|
---|
| 30 | public StringCPInfo() {
|
---|
| 31 | super(CONSTANT_STRING, 1);
|
---|
| 32 | }
|
---|
| 33 |
|
---|
| 34 | /**
|
---|
| 35 | * read a constant pool entry from a class stream.
|
---|
| 36 | *
|
---|
| 37 | * @param cpStream the DataInputStream which contains the constant pool
|
---|
| 38 | * entry to be read.
|
---|
| 39 | * @exception IOException if there is a problem reading the entry from
|
---|
| 40 | * the stream.
|
---|
| 41 | */
|
---|
| 42 | public void read(DataInputStream cpStream) throws IOException {
|
---|
| 43 | index = cpStream.readUnsignedShort();
|
---|
| 44 |
|
---|
| 45 | setValue("unresolved");
|
---|
| 46 | }
|
---|
| 47 |
|
---|
| 48 | /**
|
---|
| 49 | * Print a readable version of the constant pool entry.
|
---|
| 50 | *
|
---|
| 51 | * @return the string representation of this constant pool entry.
|
---|
| 52 | */
|
---|
| 53 | public String toString() {
|
---|
| 54 | return "String Constant Pool Entry for "
|
---|
| 55 | + getValue() + "[" + index + "]";
|
---|
| 56 | }
|
---|
| 57 |
|
---|
| 58 | /**
|
---|
| 59 | * Resolve this constant pool entry with respect to its dependents in
|
---|
| 60 | * the constant pool.
|
---|
| 61 | *
|
---|
| 62 | * @param constantPool the constant pool of which this entry is a member
|
---|
| 63 | * and against which this entry is to be resolved.
|
---|
| 64 | */
|
---|
| 65 | public void resolve(ConstantPool constantPool) {
|
---|
| 66 | setValue(((Utf8CPInfo) constantPool.getEntry(index)).getValue());
|
---|
| 67 | super.resolve(constantPool);
|
---|
| 68 | }
|
---|
| 69 |
|
---|
| 70 | /** the index into the constant pool containing the string's content */
|
---|
| 71 | private int index;
|
---|
| 72 | }
|
---|
| 73 |
|
---|