1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. 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 * 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 /** 20 * @author Aleksey V. Yantsen 21 */ 22 23 /** 24 * Created on 10.25.2004 25 */ 26 package org.apache.harmony.jpda.tests.framework.jdwp; 27 28 import org.apache.harmony.jpda.tests.framework.TestErrorException; 29 import org.apache.harmony.jpda.tests.framework.jdwp.JDWPConstants; 30 31 /** 32 * This class represents generic value used in JDWP packets. 33 */ 34 public class Value { 35 36 private byte tag; 37 38 private Number numberValue; 39 40 private boolean booleanValue; 41 42 private char charValue; 43 44 /** 45 * Creates new value with no tag. 46 */ Value()47 public Value() { 48 tag = JDWPConstants.Tag.NO_TAG; 49 } 50 51 /** 52 * Creates new ID value with specified tag. 53 */ Value(byte tag, long value)54 public Value(byte tag, long value) { 55 this.tag = tag; 56 this.numberValue = new Long(value); 57 } 58 59 /** 60 * Creates new byte value. 61 */ Value(byte value)62 public Value(byte value) { 63 this.tag = JDWPConstants.Tag.BYTE_TAG; 64 this.numberValue = new Byte(value); 65 } 66 67 /** 68 * Creates new short value. 69 */ Value(short value)70 public Value(short value) { 71 this.tag = JDWPConstants.Tag.SHORT_TAG; 72 this.numberValue = new Short(value); 73 } 74 75 /** 76 * Creates new int value. 77 */ Value(int value)78 public Value(int value) { 79 this.tag = JDWPConstants.Tag.INT_TAG; 80 this.numberValue = new Integer(value); 81 } 82 83 /** 84 * Creates new long value. 85 */ Value(long value)86 public Value(long value) { 87 this.tag = JDWPConstants.Tag.LONG_TAG; 88 this.numberValue = new Long(value); 89 } 90 91 /** 92 * Creates new short value. 93 */ Value(float value)94 public Value(float value) { 95 this.tag = JDWPConstants.Tag.FLOAT_TAG; 96 this.numberValue = new Float(value); 97 } 98 99 /** 100 * Creates new double value. 101 */ Value(double value)102 public Value(double value) { 103 this.tag = JDWPConstants.Tag.DOUBLE_TAG; 104 this.numberValue = new Double(value); 105 } 106 107 /** 108 * Creates new boolean value. 109 */ Value(boolean value)110 public Value(boolean value) { 111 this.tag = JDWPConstants.Tag.BOOLEAN_TAG; 112 this.booleanValue = value; 113 } 114 115 /** 116 * Creates new char value. 117 */ Value(char value)118 public Value(char value) { 119 this.tag = JDWPConstants.Tag.CHAR_TAG; 120 this.charValue = value; 121 } 122 123 /** 124 * Returns tag of this value. 125 * 126 * @return Returns the tag. 127 */ getTag()128 public byte getTag() { 129 return tag; 130 } 131 132 /** 133 * Returns byte representation of this value. 134 * 135 * @return byte value 136 */ getByteValue()137 public byte getByteValue() { 138 return numberValue.byteValue(); 139 } 140 141 /** 142 * Returns short representation of this value. 143 * 144 * @return short value 145 */ getShortValue()146 public short getShortValue() { 147 return numberValue.shortValue(); 148 } 149 150 /** 151 * Returns int representation of this value. 152 * 153 * @return int value 154 */ getIntValue()155 public int getIntValue() { 156 return numberValue.intValue(); 157 } 158 159 /** 160 * Returns long representation of this value. 161 * 162 * @return long value 163 */ getLongValue()164 public long getLongValue() { 165 return numberValue.longValue(); 166 } 167 168 /** 169 * Returns float representation of this value. 170 * 171 * @return float value 172 */ getFloatValue()173 public float getFloatValue() { 174 return numberValue.floatValue(); 175 } 176 177 /** 178 * Returns double representation of this value. 179 * 180 * @return double value 181 */ getDoubleValue()182 public double getDoubleValue() { 183 return numberValue.doubleValue(); 184 } 185 186 /** 187 * Returns boolean representation of this value. 188 * 189 * @return boolean value 190 */ getBooleanValue()191 public boolean getBooleanValue() { 192 return booleanValue; 193 } 194 195 /** 196 * Returns char representation of this value. 197 * 198 * @return char value 199 */ getCharValue()200 public char getCharValue() { 201 return charValue; 202 } 203 204 /** 205 * Compares with other value. 206 */ equals(Object arg0)207 public boolean equals(Object arg0) { 208 if (!(arg0 instanceof Value)) 209 return false; 210 211 Value value0 = (Value) arg0; 212 if (value0.tag != value0.tag) 213 return false; 214 215 switch (tag) { 216 case JDWPConstants.Tag.BOOLEAN_TAG: 217 return getBooleanValue() == value0.getBooleanValue(); 218 case JDWPConstants.Tag.BYTE_TAG: 219 return getByteValue() == value0.getByteValue(); 220 case JDWPConstants.Tag.CHAR_TAG: 221 return getCharValue() == value0.getCharValue(); 222 case JDWPConstants.Tag.DOUBLE_TAG: 223 if (Double.isNaN(getDoubleValue()) 224 && (Double.isNaN(value0.getDoubleValue()))) 225 return true; 226 return getDoubleValue() == value0.getDoubleValue(); 227 case JDWPConstants.Tag.FLOAT_TAG: 228 if (Float.isNaN(getFloatValue()) 229 && (Float.isNaN(value0.getFloatValue()))) 230 return true; 231 return getFloatValue() == value0.getFloatValue(); 232 case JDWPConstants.Tag.INT_TAG: 233 return getIntValue() == value0.getIntValue(); 234 case JDWPConstants.Tag.LONG_TAG: 235 return getLongValue() == value0.getLongValue(); 236 case JDWPConstants.Tag.SHORT_TAG: 237 return getShortValue() == value0.getShortValue(); 238 case JDWPConstants.Tag.STRING_TAG: 239 case JDWPConstants.Tag.ARRAY_TAG: 240 case JDWPConstants.Tag.CLASS_LOADER_TAG: 241 case JDWPConstants.Tag.CLASS_OBJECT_TAG: 242 case JDWPConstants.Tag.OBJECT_TAG: 243 case JDWPConstants.Tag.THREAD_GROUP_TAG: 244 case JDWPConstants.Tag.THREAD_TAG: 245 return getLongValue() == value0.getLongValue(); 246 } 247 248 throw new TestErrorException("Illegal tag value"); 249 } 250 251 /** 252 * Converts this value to string representation for printing. 253 */ toString()254 public String toString() { 255 256 switch (tag) { 257 case JDWPConstants.Tag.BOOLEAN_TAG: 258 return "boolean: " + getBooleanValue(); 259 case JDWPConstants.Tag.BYTE_TAG: 260 return "byte: " + getByteValue(); 261 case JDWPConstants.Tag.CHAR_TAG: 262 return "char: " + getCharValue(); 263 case JDWPConstants.Tag.DOUBLE_TAG: 264 return "double: " + getDoubleValue(); 265 case JDWPConstants.Tag.FLOAT_TAG: 266 return "float: " + getFloatValue(); 267 case JDWPConstants.Tag.INT_TAG: 268 return "int: " + getIntValue(); 269 case JDWPConstants.Tag.LONG_TAG: 270 return "long: " + getLongValue(); 271 case JDWPConstants.Tag.SHORT_TAG: 272 return "short: " + getShortValue(); 273 case JDWPConstants.Tag.STRING_TAG: 274 return "StringID: " + getLongValue(); 275 case JDWPConstants.Tag.ARRAY_TAG: 276 return "ObjectID: " + getLongValue(); 277 278 case JDWPConstants.Tag.CLASS_LOADER_TAG: 279 return "ClassLoaderID: " + getLongValue(); 280 case JDWPConstants.Tag.CLASS_OBJECT_TAG: 281 return "ClassObjectID: " + getLongValue(); 282 case JDWPConstants.Tag.OBJECT_TAG: 283 return "ObjectID: " + getLongValue(); 284 case JDWPConstants.Tag.THREAD_GROUP_TAG: 285 return "ThreadGroupID: " + getLongValue(); 286 case JDWPConstants.Tag.THREAD_TAG: 287 return "ThreadID: " + getLongValue(); 288 } 289 290 throw new TestErrorException("Illegal tag value: " + tag); 291 } 292 } 293