com.enonic.cms.core.search.IndexSettingsBuilderImpl.java Source code

Introduction

Here is the source code for com.enonic.cms.core.search.IndexSettingsBuilderImpl.java

Source

/*
 * Copyright 2000-2013 Enonic AS
 * http://www.enonic.com/license
 */

package com.enonic.cms.core.search;

import java.io.IOException;
import java.util.Map;

import org.apache.commons.lang.StringUtils;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.settings.Settings;
import org.springframework.stereotype.Component;

import com.google.common.base.Predicate;

import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;

/**
 * Created by IntelliJ IDEA.
 * User: rmh
 * Date: 1/16/12
 * Time: 10:06 AM
 */
@Component
public class IndexSettingsBuilderImpl extends AbstractElasticsearchSettingsBuilder implements IndexSettingBuilder {
    public Settings buildIndexSettings() {
        final ImmutableSettings.Builder settings = ImmutableSettings.settingsBuilder();

        final Map<String, String> indexPropertyMap = getIndexPropertyMap();

        populateSettings(settings, indexPropertyMap, ELASTICSEARCH_PROPERTIES_PREFIX);

        settings.loadFromSource(buildAnalyserSettings());

        return settings.build();
    }

    private Map<String, String> getIndexPropertyMap() {
        return configProperties.getSubMap(new Predicate<String>() {
            @Override
            public boolean apply(final String input) {
                return StringUtils.startsWith(input, INDEX_PROPERTIES_PREFIX);
            }
        });
    }

    private String buildAnalyserSettings() {
        try {
            return jsonBuilder().startObject().startObject("analysis").startObject("analyzer")
                    .startObject("whitespace_analyzer").field("type", "custom").field("tokenizer", "whitespace")
                    .field("filter", new String[] { "lowercase" }).endObject().endObject().endObject().endObject()
                    .string();
        } catch (IOException e) {
            throw new IndexException("Not able to create analyzer settings for index", e);
        }

    }

}