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

Introduction

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

Prototype

public static CharFilterFactory forName(String name, Map<String, String> args) 

Source Link

Document

looks up a charfilter by name from context classpath

Usage

From source file:org.apache.jackrabbit.oak.plugins.index.lucene.NodeStateAnalyzerFactory.java

License:Apache License

private CharFilterFactory[] loadCharFilterFactories(NodeState charFiltersState) {
    List<CharFilterFactory> result = newArrayList();

    //Need to read children in order
    Tree tree = TreeFactory.createReadOnlyTree(charFiltersState);
    for (Tree t : tree.getChildren()) {
        NodeState state = charFiltersState.getChildNode(t.getName());

        String factoryType = getFactoryType(state, t.getName());
        Map<String, String> args = convertNodeState(state);
        CharFilterFactory cf = CharFilterFactory.forName(factoryType, args);
        init(cf, state);//from w  w  w  .jav  a2 s  .c  o m
        result.add(cf);
    }

    return result.toArray(new CharFilterFactory[result.size()]);
}

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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;
    }//ww w  .  j  av a2s  .  com
    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;
    }// w  w  w  . j  a v a 2  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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