Tools/Source/Cpptasks/net/sf/antcontrib/cpptasks/types/FlexLong.java

   1 /*
   2  *
   3  * Copyright 2002-2004 The Ant-Contrib project
   4  *
   5  *  Licensed under the Apache License, Version 2.0 (the "License");
   6  *  you may not use this file except in compliance with the License.
   7  *  You may obtain a copy of the License at
   8  *
   9  *      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 package net.sf.antcontrib.cpptasks.types;
  18 import java.lang.reflect.Method;
  19
  20 /**
  21  * Helper class which can be used for Ant task attribute setter methods to
  22  * allow the build file to specify a long in either decimal, octal, or
  23  * hexadecimal format.
  24  *  // FlexInteger author
  25  * @author Erik Hatcher
  26  * @see org.apache.tools.ant.types.FlexInteger
  27  */
  28 public class FlexLong {
  29     private Long value;
  30     /**
  31      * Constructor used by Ant's introspection mechanism for attribute
  32      * population
  33      */
  34     public FlexLong(String value) {
  35         // Java 1.1 did not support Long.decode().. so we call it by
  36         // reflection.
  37         try {
  38             Method m = Long.class
  39                     .getMethod("decode", new Class[]{String.class});
  40             Object rc = m.invoke(null, new Object[]{value});
  41             this.value = (Long) rc;
  42         } catch (Exception e) {
  43             // Try it the old fashioned way, we must be on a 1.1 jre
  44             this.value = new Long(value);
  45         }
  46     }
  47     /**
  48      * Returns the decimal integer value
  49      */
  50     public long longValue() {
  51         return value.longValue();
  52     }
  53     /**
  54      * Overridden method to return the decimal value for display
  55      */
  56     public String toString() {
  57         return value.toString();
  58     }
  59 }