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package org.crosswire.jsword.index.lucene.analysis; |
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import java.io.IOException; |
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import org.crosswire.common.util.ClassUtil; |
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import org.crosswire.common.util.Language; |
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import org.crosswire.common.util.PropertyMap; |
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import org.crosswire.common.util.ResourceUtil; |
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import org.crosswire.jsword.book.Book; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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public final class AnalyzerFactory { |
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public AbstractBookAnalyzer createAnalyzer(Book book) { |
48 | 0 | AbstractBookAnalyzer newObject = null; |
49 | 0 | Language lang = book == null ? null : book.getLanguage(); |
50 | 0 | if (lang != null) { |
51 | 0 | String aClass = getAnalyzerValue(lang); |
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53 | 0 | log.debug("Creating analyzer:{} BookLang:{}", aClass, lang); |
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55 | 0 | if (aClass != null) { |
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try { |
57 | 0 | Class<AbstractBookAnalyzer> impl = (Class<AbstractBookAnalyzer>) ClassUtil.forName(aClass); |
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59 | 0 | newObject = impl.newInstance(); |
60 | 0 | } catch (ClassNotFoundException e) { |
61 | 0 | log.error("Configuration error in AnalyzerFactory properties", e); |
62 | 0 | } catch (IllegalAccessException e) { |
63 | 0 | log.error("Configuration error in AnalyzerFactory properties", e); |
64 | 0 | } catch (InstantiationException e) { |
65 | 0 | log.error("Configuration error in AnalyzerFactory properties", e); |
66 | 0 | } |
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} |
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} |
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70 | 0 | if (newObject == null) { |
71 | 0 | newObject = new SimpleLuceneAnalyzer(); |
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} |
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75 | 0 | newObject.setBook(book); |
76 | 0 | newObject.setDoStemming(getDefaultStemmingProperty()); |
77 | 0 | newObject.setDoStopWords(getDefaultStopWordProperty()); |
78 | 0 | return newObject; |
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} |
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public static AnalyzerFactory getInstance() { |
82 | 0 | return myInstance; |
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} |
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85 | 0 | private AnalyzerFactory() { |
86 | 0 | loadProperties(); |
87 | 0 | } |
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public String getAnalyzerValue(Language lang) { |
90 | 0 | String key = lang.getCode() + ".Analyzer"; |
91 | 0 | return myProperties.get(key); |
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} |
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public boolean getDefaultStemmingProperty() { |
95 | 0 | String key = DEFAULT_ID + ".Stemming"; |
96 | 0 | return Boolean.valueOf(myProperties.get(key)).booleanValue(); |
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} |
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public boolean getDefaultStopWordProperty() { |
100 | 0 | String key = DEFAULT_ID + ".StopWord"; |
101 | 0 | return Boolean.valueOf(myProperties.get(key)).booleanValue(); |
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} |
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private void loadProperties() { |
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try { |
106 | 0 | myProperties = ResourceUtil.getProperties(getClass()); |
107 | 0 | } catch (IOException e) { |
108 | 0 | log.error("AnalyzerFactory property load from file failed", e); |
109 | 0 | } |
110 | 0 | } |
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public static final String DEFAULT_ID = "Default"; |
113 | 0 | private static AnalyzerFactory myInstance = new AnalyzerFactory(); |
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private PropertyMap myProperties; |
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120 | 0 | private static final Logger log = LoggerFactory.getLogger(AnalyzerFactory.class); |
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} |