001    /*
002     * This file is part of McIDAS-V
003     *
004     * Copyright 2007-2013
005     * Space Science and Engineering Center (SSEC)
006     * University of Wisconsin - Madison
007     * 1225 W. Dayton Street, Madison, WI 53706, USA
008     * https://www.ssec.wisc.edu/mcidas
009     * 
010     * All Rights Reserved
011     * 
012     * McIDAS-V is built on Unidata's IDV and SSEC's VisAD libraries, and
013     * some McIDAS-V source code is based on IDV and VisAD source code.  
014     * 
015     * McIDAS-V is free software; you can redistribute it and/or modify
016     * it under the terms of the GNU Lesser Public License as published by
017     * the Free Software Foundation; either version 3 of the License, or
018     * (at your option) any later version.
019     * 
020     * McIDAS-V is distributed in the hope that it will be useful,
021     * but WITHOUT ANY WARRANTY; without even the implied warranty of
022     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
023     * GNU Lesser Public License for more details.
024     * 
025     * You should have received a copy of the GNU Lesser Public License
026     * along with this program.  If not, see http://www.gnu.org/licenses.
027     */
028    
029    package edu.wisc.ssec.mcidasv.data.hydra;
030    
031    import ucar.unidata.data.DataSelection;
032    import ucar.unidata.data.DataSource;
033    import ucar.unidata.data.DataChoice;
034    import ucar.unidata.data.DataCategory;
035    import java.util.HashMap;
036    import java.util.Iterator;
037    import java.util.Set;
038    
039    public class HydraContext {
040    
041      private static HashMap<DataSource, HydraContext> dataSourceToContextMap = new HashMap<DataSource, HydraContext>(); 
042      private static HashMap<DataChoice, HydraContext> dataChoiceToContextMap = new HashMap<DataChoice, HydraContext>(); 
043      private static HashMap<DataCategory, HydraContext> dataCategoryToContextMap = new HashMap<DataCategory, HydraContext>(); 
044    
045      private static HashMap<DataSource, HashMap<DataCategory, HydraContext>> contextMap = new HashMap<DataSource, HashMap<DataCategory, HydraContext>>();
046    
047      private static HydraContext hydraContext = null;
048      private boolean useSubset = false;
049      private MultiDimensionSubset subset = null;
050      private Object selectBox = null;
051    
052      public static HydraContext getHydraContext(DataSource source, DataCategory dataCategory) {
053        if (dataCategory == null) {
054          return getHydraContext(source);
055        }
056        if (contextMap.containsKey(source)) {
057          if ((contextMap.get(source)).containsKey(dataCategory)) {
058            return contextMap.get(source).get(dataCategory);
059          }
060          else {
061            HashMap catMap = contextMap.get(source);
062            HydraContext hydraContext = new HydraContext();
063            catMap.put(dataCategory, hydraContext);
064            return hydraContext;
065          }
066        }
067        else {
068          HydraContext hydraContext = new HydraContext();
069          HashMap catMap = new HashMap();
070          catMap.put(dataCategory, hydraContext);
071          contextMap.put(source, catMap);
072          return hydraContext;
073        }
074      }
075    
076      public static HydraContext getHydraContext(DataSource source) {
077        if (dataSourceToContextMap.isEmpty()) {
078          HydraContext hydraContext = new HydraContext();
079          dataSourceToContextMap.put(source, hydraContext);
080          return hydraContext;
081        }
082    
083        if (dataSourceToContextMap.containsKey(source)) {
084          return dataSourceToContextMap.get(source);
085        }
086        else {
087          HydraContext hydraContext = new HydraContext();
088          dataSourceToContextMap.put(source, hydraContext);
089          return hydraContext;
090        }
091      }
092    
093      public static HydraContext getHydraContext(DataChoice choice) {
094        if (dataChoiceToContextMap.isEmpty()) {
095          HydraContext hydraContext = new HydraContext();
096          dataChoiceToContextMap.put(choice, hydraContext);
097          return hydraContext;
098        }
099    
100        if (dataChoiceToContextMap.containsKey(choice)) {
101          return dataChoiceToContextMap.get(choice);
102        }
103        else {
104          HydraContext hydraContext = new HydraContext();
105          dataChoiceToContextMap.put(choice, hydraContext);
106          return hydraContext;
107        }
108      }
109    
110      public static HydraContext getHydraContext(DataCategory choice) {
111        if (dataCategoryToContextMap.isEmpty()) {
112          HydraContext hydraContext = new HydraContext();
113          dataCategoryToContextMap.put(choice, hydraContext);
114          return hydraContext;
115        }
116    
117        if (dataCategoryToContextMap.containsKey(choice)) {
118          return dataCategoryToContextMap.get(choice);
119        }
120        else {
121          HydraContext hydraContext = new HydraContext();
122          dataCategoryToContextMap.put(choice, hydraContext);
123          return hydraContext;
124        }
125      }
126    
127    
128      public static HydraContext getHydraContext() {
129        if (hydraContext == null) {
130          hydraContext =  new HydraContext();
131        }
132        return hydraContext;
133      }
134     
135    
136      public HydraContext() {
137      }
138    
139    
140      public synchronized void setMultiDimensionSubset(MultiDimensionSubset subset) {
141        this.subset = subset;
142      }
143    
144      public void setSelectBox(Object box) {
145        selectBox = box;
146      }
147    
148      public Object getSelectBox() {
149        return selectBox;
150      }
151    
152      public synchronized MultiDimensionSubset getMultiDimensionSubset() {
153        return subset;
154      }
155    
156    
157    }