gov/nasa/worldwind/formats/rpf/RpfLocationSection.java

   1 package gov.nasa.worldwind.formats.rpf;
   2
   3 import gov.nasa.worldwind.formats.nitfs.*;
   4 /*
   5 Copyright (C) 2001, 2007 United States Government
   6 as represented by the Administrator of the
   7 National Aeronautics and Space Administration.
   8 All Rights Reserved.
   9 */
  10
  11 /**
  12  * @author Lado Garakanidze
  13  * @version $Id: RpfLocationSection Apr 4, 2007 5:57:23 PM lado
  14  */
  15 public class RpfLocationSection
  16 {
  17     private java.util.Hashtable<Integer, ComponentLocationRecord> table =
  18             new java.util.Hashtable<Integer, ComponentLocationRecord>();
  19
  20         public int getHeaderComponentLocation()
  21         {
  22             return this.getLocation(128);
  23         }
  24         public int getHeaderComponentLength()
  25         {
  26             return this.getLength(128);
  27         }
  28         public int getLocationComponentLocation()
  29         {
  30             return this.getLocation(129);
  31         }
  32         public int getLocationComponentLength()
  33         {
  34             return this.getLength(129);
  35         }
  36         public int getCoverageSectionSubheaderLocation()
  37         {
  38             return this.getLocation(130);
  39         }
  40         public int getCoverageSectionSubheaderLength()
  41         {
  42             return this.getLength(130);
  43         }
  44         public int getCompressionSectionSubheaderLocation()
  45         {
  46             return this.getLocation(131);
  47         }
  48         public int getCompressionSectionSubheaderLength()
  49         {
  50             return this.getLength(131);
  51         }
  52         public int getCompressionLookupSubsectionLocation()
  53         {
  54             return this.getLocation(132);
  55         }
  56         public int getCompressionLookupSubsectionLength()
  57         {
  58             return this.getLength(132);
  59         }
  60         public int getCompressionParameterSubsectionLocation()
  61         {
  62             return this.getLocation(133);
  63         }
  64         public int getCompressionParameterSubsectionLength()
  65         {
  66             return this.getLength(133);
  67         }
  68         public int getColorGrayscaleSectionSubheaderLocation()
  69         {
  70             return this.getLocation(134);
  71         }
  72         public int getColorGrayscaleSectionSubheaderLength()
  73         {
  74             return this.getLength(134);
  75         }
  76         public int getColormapSubsectionLocation()
  77         {
  78             return this.getLocation(135);
  79         }
  80         public int getColormapSubsectionLength()
  81         {
  82             return this.getLength(135);
  83         }
  84         public int getImageDescriptionSubheaderLocation()
  85         {
  86             return this.getLocation(136);
  87         }
  88         public int getImageDescriptionSubheaderLength()
  89         {
  90             return this.getLength(136);
  91         }
  92         public int getImageDisplayParametersSubheaderLocation()
  93         {
  94             return this.getLocation(137);
  95         }
  96         public int getImageDisplayParametersSubheaderLength()
  97         {
  98             return this.getLength(137);
  99         }
 100         public int getMaskSubsectionLocation()
 101         {
 102             return this.getLocation(138);
 103         }
 104         public int getMaskSubsectionLength()
 105         {
 106             return this.getLength(138);
 107         }
 108         public int getColorConverterSubsectionLocation()
 109         {
 110             return this.getLocation(139);
 111         }
 112         public int getColorConverterSubsectionLength()
 113         {
 114             return this.getLength(139);
 115         }
 116
 117         public int getSpatialDataSubsectionLocation()
 118         {
 119             return this.getLocation(140);
 120         }
 121         public int getSpatialDataSubsectionLength()
 122         {
 123             return this.getLength(140);
 124         }
 125         public int getAttributeSectionSubheaderLocation()
 126         {
 127             return this.getLocation(141);
 128         }
 129         public int getAttributeSectionSubheaderLength()
 130         {
 131             return this.getLength(141);
 132         }
 133         public int getAttributeSubsectionLocation()
 134         {
 135             return this.getLocation(142);
 136         }
 137         public int getAttributeSubsectionLength()
 138         {
 139             return this.getLength(142);
 140         }
 141         public int getExplicitArealCoverageTableLocation()
 142         {
 143             return this.getLocation(143);
 144         }
 145         public int getExplicitArealCoverageTableLength()
 146         {
 147             return this.getLength(143);
 148         }
 149         public int getRelatedImagesSectionSubheaderLocation()
 150         {
 151             return this.getLocation(144);
 152         }
 153         public int getRelatedImagesSectionSubheaderLength()
 154         {
 155             return this.getLength(144);
 156         }
 157         public int getRelatedImagesSubsectionLocation()
 158         {
 159             return this.getLocation(145);
 160         }
 161         public int getRelatedImagesSubsectionLength()
 162         {
 163             return this.getLength(145);
 164         }
 165         public int getReplaceUpdateSectionSubheaderLocation()
 166         {
 167             return this.getLocation(146);
 168         }
 169         public int getReplaceUpdateSectionSubheaderLength()
 170         {
 171             return this.getLength(146);
 172         }
 173         public int getReplaceUpdateTableLocation()
 174         {
 175             return this.getLocation(147);
 176         }
 177         public int getReplaceUpdateTableLength()
 178         {
 179             return this.getLength(147);
 180         }
 181         public int getBoundaryRectangleSectionSubheaderLocation()
 182         {
 183             return this.getLocation(148);
 184         }
 185         public int getBoundaryRectangleSectionSubheaderLength()
 186         {
 187             return this.getLength(148);
 188         }
 189         public int getBoundaryRectangleTableLocation()
 190         {
 191             return this.getLocation(149);
 192         }
 193         public int getBoundaryRectangleTableLength()
 194         {
 195             return this.getLength(149);
 196         }
 197         public int getFrameFileIndexSectionSubheaderLocation()
 198         {
 199             return this.getLocation(150);
 200         }
 201         public int getFrameFileIndexSectionSubheaderLength()
 202         {
 203             return this.getLength(150);
 204         }
 205         public int getFrameFileIndexSubsectionLocation()
 206         {
 207             return this.getLocation(151);
 208         }
 209         public int getFrameFileIndexSubsectionLength()
 210         {
 211             return this.getLength(151);
 212         }
 213         public int getColorTableIndexSectionSubheaderLocation()
 214         {
 215             return this.getLocation(152);
 216         }
 217         public int getColorTableIndexSectionSubheaderLength()
 218         {
 219             return this.getLength(152);
 220         }
 221         public int getColorTableIndexRecordLocation()
 222         {
 223             return this.getLocation(153);
 224         }
 225         public int getColorTableIndexRecordLength()
 226         {
 227             return this.getLength(153);
 228         }
 229         // because of lack of "unsigned" in java, we store UINT as int, and UINT as long
 230         public int      locationSectionLength;
 231         public long     componentLocationTableOffset;
 232         public int      numOfComponentLocationRecords;
 233         public int      componentLocationRecordLength;
 234         public long     componentAggregateLength;
 235
 236         public RpfLocationSection(java.nio.ByteBuffer buffer)
 237         {
 238             this.locationSectionLength = NitfsUtil.getUShort(buffer);
 239             this.componentLocationTableOffset = NitfsUtil.getUInt(buffer);
 240             this.numOfComponentLocationRecords = NitfsUtil.getUShort(buffer);
 241             this.componentLocationRecordLength = NitfsUtil.getUShort(buffer);
 242             this.componentAggregateLength = NitfsUtil.getUInt(buffer);
 243
 244             if (this.numOfComponentLocationRecords < 2)
 245                 throw new NitfsRuntimeException("NitfsReader:InvalidNumberOfComponentLocationRecords");
 246
 247             for (int i = 0; i < this.numOfComponentLocationRecords; i++)
 248             {
 249                 int id = NitfsUtil.getUShort(buffer);
 250                 table.put(id, new ComponentLocationRecord(id,
 251                     NitfsUtil.getUInt(buffer),      // read uint:4 as "length"
 252                     NitfsUtil.getUInt(buffer)       // read uint:4 as "location"
 253                 ));
 254             }
 255         }
 256
 257         private int getLocation(int componentID)
 258         {
 259             ComponentLocationRecord rec = this.getRecord(componentID);
 260             return (int) ((null != rec) ? (0xFFFFFFFFL & rec.getLocation()) : 0);
 261         }
 262         private int getLength(int componentID)
 263         {
 264             ComponentLocationRecord rec = this.getRecord(componentID);
 265             return (int) ((null != rec) ? (0xFFFFFFFFL & rec.getLength()) : 0);
 266         }
 267         private ComponentLocationRecord getRecord(int componentID)
 268         {
 269             if(table.containsKey(componentID))
 270                 return table.get(componentID);
 271             return null;
 272         }
 273
 274         public class ComponentLocationRecord
 275         {
 276             private int  id;
 277             private long length;
 278             private long location;
 279
 280             public int getId()
 281             {
 282                 return id;
 283             }
 284
 285             public long getLength()
 286             {
 287                 return length;
 288             }
 289
 290             public long getLocation()
 291             {
 292                 return location;
 293             }
 294
 295             public ComponentLocationRecord(int id, long length, long location)
 296             {
 297                 this.id = id;
 298                 this.length = length;
 299                 this.location = location;
 300             }
 301         }
 302
 303 }