Example usage for org.apache.lucene.analysis.util CharFilterFactory availableCharFilters

Introduction

In this page you can find the example usage for org.apache.lucene.analysis.util CharFilterFactory availableCharFilters.

Prototype

public static Set<String> availableCharFilters() 

Source Link

Document

returns a list of all available charfilter names

Usage

From source file:org.apache.tika.eval.tokens.AnalyzerDeserializer.java

License:Apache License

private static CharFilterFactory[] buildCharFilters(JsonElement el, String analyzerName) throws IOException {
    if (el == null || el.isJsonNull()) {
        return null;
    }//  w w w .  ja  v a 2s .co  m
    if (!el.isJsonArray()) {
        throw new IllegalArgumentException(
                "Expecting array for charfilters, but got:" + el.toString() + " for " + analyzerName);
    }
    JsonArray jsonArray = (JsonArray) el;
    List<CharFilterFactory> ret = new LinkedList<CharFilterFactory>();
    for (JsonElement filterMap : jsonArray) {
        if (!(filterMap instanceof JsonObject)) {
            throw new IllegalArgumentException(
                    "Expecting a map with \"factory\" string and \"params\" map in char filter factory;"
                            + " not: " + filterMap.toString() + " in " + analyzerName);
        }
        JsonElement factoryEl = ((JsonObject) filterMap).get(FACTORY);
        if (factoryEl == null || !factoryEl.isJsonPrimitive()) {
            throw new IllegalArgumentException(
                    "Expecting value for factory in char filter factory builder in:" + analyzerName);
        }
        String factoryName = factoryEl.getAsString();
        factoryName = factoryName.replaceAll("oala.", "org.apache.lucene.analysis.");

        JsonElement paramsEl = ((JsonObject) filterMap).get(PARAMS);
        Map<String, String> params = mapify(paramsEl);
        String spiName = "";
        for (String s : CharFilterFactory.availableCharFilters()) {
            Class clazz = CharFilterFactory.lookupClass(s);
            if (clazz.getName().equals(factoryName)) {
                spiName = s;
                break;
            }
        }
        if (spiName.equals("")) {
            throw new IllegalArgumentException(
                    "A SPI class of type org.apache.lucene.analysis.util.CharFilterFactory with name" + "'"
                            + factoryName + "' does not exist.");
        }

        try {
            CharFilterFactory charFilterFactory = CharFilterFactory.forName(spiName, params);
            if (charFilterFactory instanceof ResourceLoaderAware) {
                ((ResourceLoaderAware) charFilterFactory)
                        .inform(new ClasspathResourceLoader(AnalyzerDeserializer.class));
            }
            ret.add(charFilterFactory);
        } catch (IllegalArgumentException e) {
            throw new IllegalArgumentException("While trying to load " + analyzerName + ": " + e.getMessage(),
                    e);
        }
    }
    if (ret.size() == 0) {
        return new CharFilterFactory[0];
    }
    return ret.toArray(new CharFilterFactory[ret.size()]);
}

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From source file:org.tallison.gramreaper.ingest.schema.AnalyzerDeserializer.java

License:Apache License

private static CharFilterFactory[] buildCharFilters(JsonElement el, String analyzerName) throws IOException {
    if (el == null || el.isJsonNull()) {
        return null;
    }//from w  w  w .ja va2 s  .  c om
    if (!el.isJsonArray()) {
        throw new IllegalArgumentException(
                "Expecting array for charfilters, but got:" + el.toString() + " for " + analyzerName);
    }
    JsonArray jsonArray = (JsonArray) el;
    List<CharFilterFactory> ret = new LinkedList<CharFilterFactory>();
    for (JsonElement filterMap : jsonArray) {
        if (!(filterMap instanceof JsonObject)) {
            throw new IllegalArgumentException(
                    "Expecting a map with \"factory\" string and \"params\" map in char filter factory;"
                            + " not: " + filterMap.toString() + " in " + analyzerName);
        }
        JsonElement factoryEl = ((JsonObject) filterMap).get(FACTORY);
        if (factoryEl == null || !factoryEl.isJsonPrimitive()) {
            throw new IllegalArgumentException(
                    "Expecting value for factory in char filter factory builder in:" + analyzerName);
        }
        String factoryName = factoryEl.getAsString();
        factoryName = factoryName.replaceAll("oala.", "org.apache.lucene.analysis.");

        JsonElement paramsEl = ((JsonObject) filterMap).get(PARAMS);
        Map<String, String> params = mapify(paramsEl);
        for (Map.Entry<String, String> e : params.entrySet()) {
            System.out.println("PARAM: " + e.getKey() + " : " + e.getValue());
        }
        String spiName = "";
        for (String s : CharFilterFactory.availableCharFilters()) {
            Class clazz = CharFilterFactory.lookupClass(s);
            if (clazz.getName().equals(factoryName)) {
                spiName = s;
                break;
            }
        }
        try {
            CharFilterFactory charFilterFactory = CharFilterFactory.forName(spiName, params);
            if (charFilterFactory instanceof ResourceLoaderAware) {
                ((ResourceLoaderAware) charFilterFactory)
                        .inform(new ClasspathResourceLoader(AnalyzerDeserializer.class));
            }
            ret.add(charFilterFactory);
        } catch (IllegalArgumentException e) {
            throw new IllegalArgumentException("While trying to load " + analyzerName + ": " + e.getMessage(),
                    e);
        }
    }
    if (ret.size() == 0) {
        return new CharFilterFactory[0];
    }
    return ret.toArray(new CharFilterFactory[ret.size()]);
}

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