1 /* ParameterBlock.java -- 2 Copyright (C) 2002 Free Software Foundation, Inc. 3 4 This file is part of GNU Classpath. 5 6 GNU Classpath is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GNU Classpath is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GNU Classpath; see the file COPYING. If not, write to the 18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19 02110-1301 USA. 20 21 Linking this library statically or dynamically with other modules is 22 making a combined work based on this library. Thus, the terms and 23 conditions of the GNU General Public License cover the whole 24 combination. 25 26 As a special exception, the copyright holders of this library give you 27 permission to link this library with independent modules to produce an 28 executable, regardless of the license terms of these independent 29 modules, and to copy and distribute the resulting executable under 30 terms of your choice, provided that you also meet, for each linked 31 independent module, the terms and conditions of the license of that 32 module. An independent module is a module which is not derived from 33 or based on this library. If you modify this library, you may extend 34 this exception to your version of the library, but you are not 35 obligated to do so. If you do not wish to do so, delete this 36 exception statement from your version. */ 37 38 39 package java.awt.image.renderable; 40 41 import java.awt.image.RenderedImage; 42 import java.io.Serializable; 43 import java.util.Vector; 44 45 public class ParameterBlock implements Cloneable, Serializable 46 { 47 private static final long serialVersionUID = -7577115551785240750L; 48 protected Vector sources; 49 protected Vector parameters; 50 ParameterBlock()51 public ParameterBlock() 52 { 53 this(new Vector(), new Vector()); 54 } 55 ParameterBlock(Vector sources)56 public ParameterBlock(Vector sources) 57 { 58 this(sources, new Vector()); 59 } 60 ParameterBlock(Vector sources, Vector parameters)61 public ParameterBlock(Vector sources, Vector parameters) 62 { 63 this.sources = sources; 64 this.parameters = parameters; 65 } 66 shallowClone()67 public Object shallowClone() 68 { 69 try 70 { 71 return super.clone(); 72 } 73 catch (CloneNotSupportedException e) 74 { 75 throw (Error) new InternalError().initCause(e); // impossible 76 } 77 } 78 clone()79 public Object clone() 80 { 81 ParameterBlock pb = (ParameterBlock) shallowClone(); 82 if (sources != null) 83 pb.sources = (Vector) sources.clone(); 84 if (parameters != null) 85 pb.parameters = (Vector) parameters.clone(); 86 return pb; 87 } 88 addSource(Object source)89 public ParameterBlock addSource(Object source) 90 { 91 sources.add(source); 92 return this; 93 } 94 getSource(int index)95 public Object getSource(int index) 96 { 97 return sources.get(index); 98 } 99 setSource(Object source, int index)100 public ParameterBlock setSource(Object source, int index) 101 { 102 sources.ensureCapacity(index); 103 sources.set(index, source); 104 return this; 105 } 106 getRenderedSource(int index)107 public RenderedImage getRenderedSource(int index) 108 { 109 return (RenderedImage) sources.get(index); 110 } 111 getRenderableSource(int index)112 public RenderableImage getRenderableSource(int index) 113 { 114 return (RenderableImage) sources.get(index); 115 } 116 getNumSources()117 public int getNumSources() 118 { 119 return sources.size(); 120 } 121 getSources()122 public Vector getSources() 123 { 124 return sources; 125 } 126 setSources(Vector sources)127 public void setSources(Vector sources) 128 { 129 this.sources = sources; 130 } 131 removeSources()132 public void removeSources() 133 { 134 if (sources != null) 135 sources.clear(); 136 } 137 getNumParameters()138 public int getNumParameters() 139 { 140 return parameters.size(); 141 } 142 getParameters()143 public Vector getParameters() 144 { 145 return parameters; 146 } 147 setParameters(Vector parameters)148 public void setParameters(Vector parameters) 149 { 150 this.parameters = parameters; 151 } 152 removeParameters()153 public void removeParameters() 154 { 155 if (parameters != null) 156 parameters.clear(); 157 } 158 add(Object o)159 public ParameterBlock add(Object o) 160 { 161 parameters.add(o); 162 return this; 163 } 164 add(byte b)165 public ParameterBlock add(byte b) 166 { 167 return add(new Byte(b)); 168 } 169 add(char c)170 public ParameterBlock add(char c) 171 { 172 return add(new Character(c)); 173 } 174 add(short s)175 public ParameterBlock add(short s) 176 { 177 return add(new Short(s)); 178 } 179 add(int i)180 public ParameterBlock add(int i) 181 { 182 return add(new Integer(i)); 183 } 184 add(long l)185 public ParameterBlock add(long l) 186 { 187 return add(new Long(l)); 188 } 189 add(float f)190 public ParameterBlock add(float f) 191 { 192 return add(new Float(f)); 193 } 194 add(double d)195 public ParameterBlock add(double d) 196 { 197 return add(new Double(d)); 198 } 199 set(Object o, int index)200 public ParameterBlock set(Object o, int index) 201 { 202 parameters.ensureCapacity(index); 203 parameters.set(index, o); 204 return this; 205 } 206 set(byte b, int index)207 public ParameterBlock set(byte b, int index) 208 { 209 return set(new Byte(b), index); 210 } 211 set(char c, int index)212 public ParameterBlock set(char c, int index) 213 { 214 return set(new Character(c), index); 215 } 216 set(short s, int index)217 public ParameterBlock set(short s, int index) 218 { 219 return set(new Short(s), index); 220 } 221 set(int i, int index)222 public ParameterBlock set(int i, int index) 223 { 224 return set(new Integer(i), index); 225 } 226 set(long l, int index)227 public ParameterBlock set(long l, int index) 228 { 229 return set(new Long(l), index); 230 } 231 set(float f, int index)232 public ParameterBlock set(float f, int index) 233 { 234 return set(new Float(f), index); 235 } 236 set(double d, int index)237 public ParameterBlock set(double d, int index) 238 { 239 return set(new Double(d), index); 240 } 241 getObjectParameter(int index)242 public Object getObjectParameter(int index) 243 { 244 return parameters.get(index); 245 } 246 getByteParameter(int index)247 public byte getByteParameter(int index) 248 { 249 return ((Byte) parameters.get(index)).byteValue(); 250 } 251 getCharParameter(int index)252 public char getCharParameter(int index) 253 { 254 return ((Character) parameters.get(index)).charValue(); 255 } 256 getShortParameter(int index)257 public short getShortParameter(int index) 258 { 259 return ((Short) parameters.get(index)).shortValue(); 260 } 261 getIntParameter(int index)262 public int getIntParameter(int index) 263 { 264 return ((Integer) parameters.get(index)).intValue(); 265 } 266 getLongParameter(int index)267 public long getLongParameter(int index) 268 { 269 return ((Long) parameters.get(index)).longValue(); 270 } 271 getFloatParameter(int index)272 public float getFloatParameter(int index) 273 { 274 return ((Float) parameters.get(index)).floatValue(); 275 } 276 getDoubleParameter(int index)277 public double getDoubleParameter(int index) 278 { 279 return ((Double) parameters.get(index)).doubleValue(); 280 } 281 getParamClasses()282 public Class[] getParamClasses() 283 { 284 int i = parameters.size(); 285 Class[] result = new Class[i]; 286 while (--i >= 0) 287 { 288 Class c = parameters.get(i).getClass(); 289 if (c == Byte.class) 290 result[i] = byte.class; 291 else if (c == Character.class) 292 result[i] = char.class; 293 else if (c == Short.class) 294 result[i] = short.class; 295 else if (c == Integer.class) 296 result[i] = int.class; 297 else if (c == Long.class) 298 result[i] = long.class; 299 else if (c == Float.class) 300 result[i] = float.class; 301 else if (c == Double.class) 302 result[i] = double.class; 303 else 304 result[i] = c; 305 } 306 return result; 307 } 308 } // class ParameterBlock 309