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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.index.analysis;
import org.apache.lucene.analysis.charfilter.HTMLStripCharFilter;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.env.Environment;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.env.Environment;
import org.elasticsearch.index.IndexSettings;
import java.io.Reader;
import java.util.Set;
import static java.util.Collections.unmodifiableSet;
import static org.elasticsearch.common.util.set.Sets.newHashSet;
public class HtmlStripCharFilterFactory extends AbstractCharFilterFactory {
private final Set<String> escapedTags;
public HtmlStripCharFilterFactory(IndexSettings indexSettings, Environment env, String name, Settings settings) {
super(indexSettings, name);
String[] escapedTags = settings.getAsArray("escaped_tags");
if (escapedTags.length > 0) {
this.escapedTags = unmodifiableSet(newHashSet(escapedTags));
} else {
this.escapedTags = null;
}
}
public Set<String> escapedTags() {
return escapedTags;
}
@Override
public Reader create(Reader tokenStream) {
return new HTMLStripCharFilter(tokenStream, escapedTags);
}
}
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