1 | package com.framsticks.params; |
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2 | |
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3 | import org.apache.log4j.Logger; |
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4 | |
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5 | import java.util.HashMap; |
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6 | import java.util.Map; |
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7 | |
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8 | /** |
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9 | * Author: Piotr Śniegowski |
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10 | */ |
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11 | public class Registry { |
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12 | private static final Logger LOGGER = Logger.getLogger(Registry.class.getName()); |
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13 | |
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14 | protected final Map<String, Class> reflectedClasses = new HashMap<String, Class>(); |
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15 | protected final Map<String, String> invertedReflectedClasses = new HashMap<String, String>(); |
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16 | protected final Map<String, FramsClass> infoCache = new HashMap<String, FramsClass>(); |
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17 | |
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18 | public final void registerReflectedClass(String name, String id, String className) { |
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19 | try { |
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20 | registerReflectedClass(name, id, Class.forName(className)); |
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21 | } catch (ClassNotFoundException e) { |
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22 | LOGGER.fatal("class not found during registration: " + e); |
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23 | } |
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24 | } |
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25 | |
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26 | public void registerReflectedClass(String name, String id, Class reflectedClass) { |
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27 | if (name != null) { |
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28 | reflectedClasses.put(name, reflectedClass); |
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29 | invertedReflectedClasses.put(reflectedClass.getCanonicalName(), name); |
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30 | } |
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31 | if (id != null) { |
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32 | reflectedClasses.put(id, reflectedClass); |
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33 | } |
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34 | } |
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35 | |
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36 | public AccessInterface createAccess(String name, FramsClass framsClass) { |
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37 | if (reflectedClasses.containsKey(name)) { |
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38 | return new ReflectionAccess(reflectedClasses.get(name), framsClass); |
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39 | } |
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40 | return new PropertiesAccess(framsClass); |
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41 | } |
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42 | |
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43 | public void putInfoIntoCache(FramsClass framsClass) { |
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44 | if (infoCache.containsKey(framsClass.getId())) { |
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45 | LOGGER.info("already cached " + framsClass); |
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46 | return; |
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47 | } |
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48 | LOGGER.debug("caching info for " + framsClass); |
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49 | infoCache.put(framsClass.getId(), framsClass); |
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50 | infoCache.put(framsClass.getName(), framsClass); |
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51 | } |
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52 | |
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53 | public FramsClass getInfoFromCache(String id) { |
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54 | if (id == null) { |
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55 | return null; |
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56 | } |
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57 | if (infoCache.containsKey(id)) { |
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58 | return infoCache.get(id); |
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59 | } |
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60 | if (invertedReflectedClasses.containsKey(id)) { |
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61 | return getInfoFromCache(invertedReflectedClasses.get(id)); |
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62 | } |
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63 | return null; |
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64 | } |
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65 | } |
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