Source for java.awt.image.renderable.ParameterBlock

   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<Object> sources;
  49:   protected Vector<Object> parameters;
  50: 
  51:   public ParameterBlock()
  52:   {
  53:     this(new Vector<Object>(), new Vector<Object>());
  54:   }
  55: 
  56:   public ParameterBlock(Vector<Object> sources)
  57:   {
  58:     this(sources, new Vector<Object>());
  59:   }
  60: 
  61:   public ParameterBlock(Vector<Object> sources, Vector<Object> parameters)
  62:   {
  63:     this.sources = sources;
  64:     this.parameters = parameters;
  65:   }
  66: 
  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: 
  79:   public Object clone()
  80:   {
  81:     ParameterBlock pb = (ParameterBlock) shallowClone();
  82:     if (sources != null)
  83:       pb.sources = (Vector<Object>) sources.clone();
  84:     if (parameters != null)
  85:       pb.parameters = (Vector<Object>) parameters.clone();
  86:     return pb;
  87:   }
  88: 
  89:   public ParameterBlock addSource(Object source)
  90:   {
  91:     sources.add(source);
  92:     return this;
  93:   }
  94: 
  95:   public Object getSource(int index)
  96:   {
  97:     return sources.get(index);
  98:   }
  99: 
 100:   public ParameterBlock setSource(Object source, int index)
 101:   {
 102:     sources.ensureCapacity(index);
 103:     sources.set(index, source);
 104:     return this;
 105:   }
 106: 
 107:   public RenderedImage getRenderedSource(int index)
 108:   {
 109:     return (RenderedImage) sources.get(index);
 110:   }
 111: 
 112:   public RenderableImage getRenderableSource(int index)
 113:   {
 114:     return (RenderableImage) sources.get(index);
 115:   }
 116: 
 117:   public int getNumSources()
 118:   {
 119:     return sources.size();
 120:   }
 121: 
 122:   public Vector<Object> getSources()
 123:   {
 124:     return sources;
 125:   }
 126: 
 127:   public void setSources(Vector<Object> sources)
 128:   {
 129:     this.sources = sources;
 130:   }
 131: 
 132:   public void removeSources()
 133:   {
 134:     if (sources != null)
 135:       sources.clear();
 136:   }
 137: 
 138:   public int getNumParameters()
 139:   {
 140:     return parameters.size();
 141:   }
 142: 
 143:   public Vector<Object> getParameters()
 144:   {
 145:     return parameters;
 146:   }
 147: 
 148:   public void setParameters(Vector<Object> parameters)
 149:   {
 150:     this.parameters = parameters;
 151:   }
 152: 
 153:   public void removeParameters()
 154:   {
 155:     if (parameters != null)
 156:       parameters.clear();
 157:   }
 158: 
 159:   public ParameterBlock add(Object o)
 160:   {
 161:     parameters.add(o);
 162:     return this;
 163:   }
 164: 
 165:   public ParameterBlock add(byte b)
 166:   {
 167:     return add(new Byte(b));
 168:   }
 169: 
 170:   public ParameterBlock add(char c)
 171:   {
 172:     return add(new Character(c));
 173:   }
 174: 
 175:   public ParameterBlock add(short s)
 176:   {
 177:     return add(new Short(s));
 178:   }
 179: 
 180:   public ParameterBlock add(int i)
 181:   {
 182:     return add(new Integer(i));
 183:   }
 184: 
 185:   public ParameterBlock add(long l)
 186:   {
 187:     return add(new Long(l));
 188:   }
 189: 
 190:   public ParameterBlock add(float f)
 191:   {
 192:     return add(new Float(f));
 193:   }
 194: 
 195:   public ParameterBlock add(double d)
 196:   {
 197:     return add(new Double(d));
 198:   }
 199: 
 200:   public ParameterBlock set(Object o, int index)
 201:   {
 202:     parameters.ensureCapacity(index);
 203:     parameters.set(index, o);
 204:     return this;
 205:   }
 206: 
 207:   public ParameterBlock set(byte b, int index)
 208:   {
 209:     return set(new Byte(b), index);
 210:   }
 211: 
 212:   public ParameterBlock set(char c, int index)
 213:   {
 214:     return set(new Character(c), index);
 215:   }
 216: 
 217:   public ParameterBlock set(short s, int index)
 218:   {
 219:     return set(new Short(s), index);
 220:   }
 221: 
 222:   public ParameterBlock set(int i, int index)
 223:   {
 224:     return set(new Integer(i), index);
 225:   }
 226: 
 227:   public ParameterBlock set(long l, int index)
 228:   {
 229:     return set(new Long(l), index);
 230:   }
 231: 
 232:   public ParameterBlock set(float f, int index)
 233:   {
 234:     return set(new Float(f), index);
 235:   }
 236: 
 237:   public ParameterBlock set(double d, int index)
 238:   {
 239:     return set(new Double(d), index);
 240:   }
 241: 
 242:   public Object getObjectParameter(int index)
 243:   {
 244:     return parameters.get(index);
 245:   }
 246: 
 247:   public byte getByteParameter(int index)
 248:   {
 249:     return ((Byte) parameters.get(index)).byteValue();
 250:   }
 251: 
 252:   public char getCharParameter(int index)
 253:   {
 254:     return ((Character) parameters.get(index)).charValue();
 255:   }
 256: 
 257:   public short getShortParameter(int index)
 258:   {
 259:     return ((Short) parameters.get(index)).shortValue();
 260:   }
 261: 
 262:   public int getIntParameter(int index)
 263:   {
 264:     return ((Integer) parameters.get(index)).intValue();
 265:   }
 266: 
 267:   public long getLongParameter(int index)
 268:   {
 269:     return ((Long) parameters.get(index)).longValue();
 270:   }
 271: 
 272:   public float getFloatParameter(int index)
 273:   {
 274:     return ((Float) parameters.get(index)).floatValue();
 275:   }
 276: 
 277:   public double getDoubleParameter(int index)
 278:   {
 279:     return ((Double) parameters.get(index)).doubleValue();
 280:   }
 281: 
 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