Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/GeneratorLookup.java @ 8219:9667900536b6

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Added context injector to generators.
author Sascha L. Teichmann <teichmann@intevation.de>
date Mon, 08 Sep 2014 13:17:49 +0200
parents 3f141505077b
children c87c87544cc6
rev   line source
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8ab618dda850 Made lookup for generators a class of its own. First step to use it as a compat filter for facets, too.
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.exports;
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10
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11 import java.util.HashMap;
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12 import java.util.Map;
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13
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14 import org.dive4elements.artifacts.ContextInjector;
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15
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16 import org.dive4elements.river.artifacts.D4EArtifact.FacetFilter;
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17
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18 public class GeneratorLookup
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19 implements FacetFilter
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20 {
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21 public static final class Item {
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22 private Class<OutGenerator> generator;
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23 private Object ctx;
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24 private ContextInjector ci;
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25
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26 public Item(Class<OutGenerator> generator, Object ctx, ContextInjector ci) {
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27 this.generator = generator;
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28 this.ctx = ctx;
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29 this.ci = ci;
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30 }
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31
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32 public Class<OutGenerator> getGenerator() {
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33 return generator;
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34 }
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35
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36 public Object getContext() {
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37 return ctx;
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38 }
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39
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40 public ContextInjector getContextInjector() {
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41 return ci;
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42 }
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43 } // class Item
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44
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45 private Map<String, Item> generators;
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46
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47 public GeneratorLookup() {
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48 generators = new HashMap<String, Item>();
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49 }
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50
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51 public void putGenerator(
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52 String outName,
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53 Class<OutGenerator> generatorClass,
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54 Object ctx,
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55 ContextInjector ci
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56 ) {
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57 Item item = new Item(generatorClass, ctx, ci);
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58 generators.put(outName, item);
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59 }
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60
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61 public Item getGenerator(String outName) {
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62 return generators.get(outName);
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63 }
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64
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65 @Override
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66 public boolean accept(String outName, String facetName) {
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67
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68 Item item = generators.get(outName);
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69 if (item == null) {
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70 return true;
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71 }
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72
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73 Object ctx = item.getContext();
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74 return ctx instanceof FacetFilter
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75 ? ((FacetFilter)ctx).accept(outName, facetName)
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76 : true;
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77 }
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78 }
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79 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org