01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: */
18: package org.apache.tools.ant.taskdefs.optional.depend.constantpool;
19:
20: import java.io.DataInputStream;
21: import java.io.IOException;
22:
23: /**
24: * The constant pool entry subclass used to represent double constant
25: * values.
26: *
27: */
28: public class DoubleCPInfo extends ConstantCPInfo {
29: /**
30: * Constructor
31: */
32: public DoubleCPInfo() {
33: super (CONSTANT_DOUBLE, 2);
34: }
35:
36: /**
37: * read a constant pool entry from a class stream.
38: *
39: * @param cpStream the DataInputStream which contains the constant pool
40: * entry to be read.
41: * @exception IOException if there is a problem reading the entry from the
42: * stream.
43: */
44: public void read(DataInputStream cpStream) throws IOException {
45: setValue(new Double(cpStream.readDouble()));
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 "Double Constant Pool Entry: " + getValue();
55: }
56:
57: }
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