Java ResourceLoader类代码示例

import org.apache.lucene.analysis.util.ResourceLoader; //导入依赖的package包/类
@Override
public void inform(ResourceLoader loader) throws IOException {
  InputStream stream = null;
  try {
    if (dictFile != null) // the dictionary can be empty.
      dictionary = getWordSet(loader, dictFile, false);
    // TODO: Broken, because we cannot resolve real system id
    // ResourceLoader should also supply method like ClassLoader to get resource URL
    stream = loader.openResource(hypFile);
    final InputSource is = new InputSource(stream);
    is.setEncoding(encoding); // if it's null let xml parser decide
    is.setSystemId(hypFile);
    if (luceneMatchVersion.onOrAfter(Version.LUCENE_4_4_0)) {
      hyphenator = HyphenationCompoundWordTokenFilter.getHyphenationTree(is);
    } else {
      hyphenator = Lucene43HyphenationCompoundWordTokenFilter.getHyphenationTree(is);
    }
  } finally {
    IOUtils.closeWhileHandlingException(stream);
  }
}
 

import org.apache.lucene.analysis.util.ResourceLoader; //导入依赖的package包/类
@Override
public void inform(ResourceLoader loader) throws IOException {
  if (mapping != null) {
    List<String> wlist = null;
    File mappingFile = new File(mapping);
    if (mappingFile.exists()) {
      wlist = getLines(loader, mapping);
    } else {
      List<String> files = splitFileNames(mapping);
      wlist = new ArrayList<>();
      for (String file : files) {
        List<String> lines = getLines(loader, file.trim());
        wlist.addAll(lines);
      }
    }
    final NormalizeCharMap.Builder builder = new NormalizeCharMap.Builder();
    parseRules(wlist, builder);
    normMap = builder.build();
    if (normMap.map == null) {
      // if the inner FST is null, it means it accepts nothing (e.g. the file is empty)
      // so just set the whole map to null
      normMap = null;
    }
  }
}
 

import org.apache.lucene.analysis.util.ResourceLoader; //导入依赖的package包/类
@Override
public void inform(ResourceLoader loader) throws IOException {
  String dicts[] = dictionaryFiles.split(",");

  InputStream affix = null;
  List<InputStream> dictionaries = new ArrayList<>();

  try {
    dictionaries = new ArrayList<>();
    for (String file : dicts) {
      dictionaries.add(loader.openResource(file));
    }
    affix = loader.openResource(affixFile);

    this.dictionary = new Dictionary(affix, dictionaries, ignoreCase);
  } catch (ParseException e) {
    throw new IOException("Unable to load hunspell data! [dictionary=" + dictionaries + ",affix=" + affixFile + "]", e);
  } finally {
    IOUtils.closeWhileHandlingException(affix);
    IOUtils.closeWhileHandlingException(dictionaries);
  }
}
 

import org.apache.lucene.analysis.util.ResourceLoader; //导入依赖的package包/类
@Override
public void inform(ResourceLoader loader) throws IOException {
  if (dictionaryFiles != null) {
    assureMatchVersion();
    List<String> files = splitFileNames(dictionaryFiles);
    if (files.size() > 0) {
      StemmerOverrideFilter.Builder builder = new StemmerOverrideFilter.Builder(ignoreCase);
      for (String file : files) {
        List<String> list = getLines(loader, file.trim());
        for (String line : list) {
          String[] mapping = line.split("\t", 2);
          builder.add(mapping[0], mapping[1]);
        }
      }
      dictionary = builder.build();
    }
  }
}
 

import org.apache.lucene.analysis.util.ResourceLoader; //导入依赖的package包/类
public static Dictionary getDict(String dicPath, ResourceLoader loader) {
	Dictionary dic = null;
	if(dicPath != null) {
		File f = new File(dicPath);
		if(!f.isAbsolute() && loader instanceof SolrResourceLoader) {	//相对目录
			SolrResourceLoader srl = (SolrResourceLoader) loader;
			dicPath = srl.getInstanceDir()+dicPath;
			f = new File(dicPath);
		}

		dic = Dictionary.getInstance(f);
	} else {
		dic = Dictionary.getInstance();
	}
	return dic;
}
 

import org.apache.lucene.analysis.util.ResourceLoader; //导入依赖的package包/类
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
    Tokenizer token = new IKTokenizer(reader, useSmart);
    Map<String, String> paramsMap = new HashMap<String, String>();
    Configuration cfg = DefaultConfig.getInstance();
    paramsMap.put("luceneMatchVersion", luceneMatchVersion.toString());
    paramsMap.put("synonyms", cfg.getExtSynonymDictionarys().get(0));
    paramsMap.put("ignoreCase", "true");
    SynonymFilterFactory factory = new SynonymFilterFactory(paramsMap);
    ResourceLoader loader = new ClasspathResourceLoader();
    try {
        factory.inform(loader);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return new TokenStreamComponents(token, factory.create(token));
}
 

import org.apache.lucene.analysis.util.ResourceLoader; //导入依赖的package包/类
@Override
public void inform(ResourceLoader loader) throws IOException {
  if (userDictionaryPath != null) {
    InputStream stream = loader.openResource(userDictionaryPath);
    String encoding = userDictionaryEncoding;
    if (encoding == null) {
      encoding = IOUtils.UTF_8;
    }
    CharsetDecoder decoder = Charset.forName(encoding).newDecoder()
        .onMalformedInput(CodingErrorAction.REPORT)
        .onUnmappableCharacter(CodingErrorAction.REPORT);
    Reader reader = new InputStreamReader(stream, decoder);
    userDictionary = new UserDictionary(reader);
  } else {
    userDictionary = null;
  }
}
 

import org.apache.lucene.analysis.util.ResourceLoader; //导入依赖的package包/类
@Override
public void inform(ResourceLoader loader) throws IOException {
  assert tailored != null : "init must be called first!";
  if (tailored.isEmpty()) {
    config = new DefaultICUTokenizerConfig(cjkAsWords);
  } else {
    final BreakIterator breakers[] = new BreakIterator[UScript.CODE_LIMIT];
    for (Map.Entry<Integer,String> entry : tailored.entrySet()) {
      int code = entry.getKey();
      String resourcePath = entry.getValue();
      breakers[code] = parseRules(resourcePath, loader);
    }
    config = new DefaultICUTokenizerConfig(cjkAsWords) {
      
      @Override
      public BreakIterator getBreakIterator(int script) {
        if (breakers[script] != null) {
          return (BreakIterator) breakers[script].clone();
        } else {
          return super.getBreakIterator(script);
        }
      }
      // TODO: we could also allow codes->types mapping
    };
  }
}
 

import org.apache.lucene.analysis.util.ResourceLoader; //导入依赖的package包/类
@Override
public void inform(ResourceLoader loader) throws IOException {
  clazz = registry.get(name.toUpperCase(Locale.ROOT));
  if( clazz == null ) {
    clazz = resolveEncoder(name, loader);
  }

  if (maxCodeLength != null) {
    try {
      setMaxCodeLenMethod = clazz.getMethod("setMaxCodeLen", int.class);
    } catch (Exception e) {
      throw new IllegalArgumentException("Encoder " + name + " / " + clazz + " does not support " + MAX_CODE_LENGTH, e);
    }
  }

  getEncoder();//trigger initialization for potential problems to be thrown now
}
 

import org.apache.lucene.analysis.util.ResourceLoader; //导入依赖的package包/类
@Override
public void inform(ResourceLoader loader) throws IOException {
  if (stopWordFiles != null) {
    if (FORMAT_WORDSET.equalsIgnoreCase(format)) {
      stopWords = getWordSet(loader, stopWordFiles, ignoreCase);
    } else if (FORMAT_SNOWBALL.equalsIgnoreCase(format)) {
      stopWords = getSnowballWordSet(loader, stopWordFiles, ignoreCase);
    } else {
      throw new IllegalArgumentException("Unknown 'format' specified for 'words' file: " + format);
    }
  } else {
    if (null != format) {
      throw new IllegalArgumentException("'format' can not be specified w/o an explicit 'words' file: " + format);
    }
    if (luceneMatchVersion == null) {
      stopWords = new CharArraySet(StopAnalyzer.ENGLISH_STOP_WORDS_SET, ignoreCase);
    } else {
      stopWords = new CharArraySet(luceneMatchVersion, StopAnalyzer.ENGLISH_STOP_WORDS_SET, ignoreCase);
    }
  }
}
 

import org.apache.lucene.analysis.util.ResourceLoader; //导入依赖的package包/类
public void testInform() throws Exception {
  ResourceLoader loader = new ClasspathResourceLoader(getClass());
  assertTrue("loader is null and it shouldn't be", loader != null);
  KeepWordFilterFactory factory = (KeepWordFilterFactory) tokenFilterFactory("KeepWord",
      "words", "keep-1.txt",
      "ignoreCase", "true");
  CharArraySet words = factory.getWords();
  assertTrue("words is null and it shouldn't be", words != null);
  assertTrue("words Size: " + words.size() + " is not: " + 2, words.size() == 2);

  factory = (KeepWordFilterFactory) tokenFilterFactory("KeepWord",
      "words", "keep-1.txt, keep-2.txt",
      "ignoreCase", "true");
  words = factory.getWords();
  assertTrue("words is null and it shouldn't be", words != null);
  assertTrue("words Size: " + words.size() + " is not: " + 4, words.size() == 4);
}
 

import org.apache.lucene.analysis.util.ResourceLoader; //导入依赖的package包/类
@Override
public RewriterFactory createRewriterFactory(NamedList<?> args,
      ResourceLoader resourceLoader) throws IOException {
   String rulesResourceName = (String) args.get("rules");
   if (rulesResourceName == null) {
      throw new IllegalArgumentException("Property 'rules' not configured");
   }
   
   Boolean ignoreCase = args.getBooleanArg("ignoreCase");

   // querqy parser for queries that are part of the instructions in the
   // rules
   String rulesQuerqyParser = (String) args.get("querqyParser");
   QuerqyParserFactory querqyParser = null;
   if (rulesQuerqyParser != null) {
      rulesQuerqyParser = rulesQuerqyParser.trim();
      if (rulesQuerqyParser.length() > 0) {
         querqyParser = resourceLoader.newInstance(rulesQuerqyParser, QuerqyParserFactory.class);
      }
   }
   
   return new querqy.rewrite.commonrules.SimpleCommonRulesRewriterFactory(
         new InputStreamReader(resourceLoader.openResource(rulesResourceName), "UTF-8"), querqyParser, ignoreCase != null && ignoreCase);
}
 

import org.apache.lucene.analysis.util.ResourceLoader; //导入依赖的package包/类
private CharArraySet getWordSet( ResourceLoader loader,
	                           String wordFiles, boolean ignoreCase)
	                           throws IOException {
   List<String> files = splitFileNames(wordFiles);
CharArraySet words = null;
   if (files.size() > 0) {
     // default stopwords list has 35 or so words, but maybe don't make it that
     // big to start
     words = new CharArraySet( files.size() * 10, ignoreCase);
     for (String file : files) {
       List<String> wlist = getLines(loader, file.trim());
   	words.addAll(StopFilter.makeStopSet( wlist, ignoreCase));
     }
   }
   return words;
 }
 

import org.apache.lucene.analysis.util.ResourceLoader; //导入依赖的package包/类
public static Dictionary getDict(String dicPath, ResourceLoader loader) {
	Dictionary dic = null;
	if(dicPath != null) {
		File f = new File(dicPath);
		if(!f.isAbsolute() && loader instanceof SolrResourceLoader) {	//相对目录
			SolrResourceLoader srl = (SolrResourceLoader) loader;
			dicPath = srl.getInstancePath().resolve(dicPath).toString();
			f = new File(dicPath);
		}

		dic = Dictionary.getInstance(f);
	} else {
		dic = Dictionary.getInstance();
	}
	return dic;
}
 

import org.apache.lucene.analysis.util.ResourceLoader; //导入依赖的package包/类
@Override
public void inform(ResourceLoader loader) throws IOException {
  String stopTypesFiles = args.get("types");
  enablePositionIncrements = getBoolean("enablePositionIncrements", false);
  useWhitelist = getBoolean("useWhitelist", false);
  if (stopTypesFiles != null) {
    List<String> files = splitFileNames(stopTypesFiles);
    if (files.size() > 0) {
      stopTypes = new HashSet<String>();
      for (String file : files) {
        List<String> typesLines = getLines(loader, file.trim());
        stopTypes.addAll(typesLines);
      }
    }
  } else {
    throw new IllegalArgumentException("Missing required parameter: types.");
  }
}