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org.elasticsearch.index.mapper.ip.IpFieldMapper Maven / Gradle / Ivy
ElasticSearch - Open Source, Distributed, RESTful Search Engine
/*
* Licensed to ElasticSearch and Shay Banon 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.mapper.ip;
import org.apache.lucene.analysis.NumericTokenStream;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.FieldType;
import org.apache.lucene.search.Filter;
import org.apache.lucene.search.NumericRangeFilter;
import org.apache.lucene.search.NumericRangeQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.NumericUtils;
import org.elasticsearch.ElasticSearchIllegalArgumentException;
import org.elasticsearch.common.Explicit;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.Numbers;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.index.analysis.NamedAnalyzer;
import org.elasticsearch.index.analysis.NumericAnalyzer;
import org.elasticsearch.index.analysis.NumericTokenizer;
import org.elasticsearch.index.codec.postingsformat.PostingsFormatProvider;
import org.elasticsearch.index.fielddata.FieldDataType;
import org.elasticsearch.index.fielddata.IndexFieldDataService;
import org.elasticsearch.index.fielddata.IndexNumericFieldData;
import org.elasticsearch.index.mapper.*;
import org.elasticsearch.index.mapper.core.LongFieldMapper;
import org.elasticsearch.index.mapper.core.NumberFieldMapper;
import org.elasticsearch.index.query.QueryParseContext;
import org.elasticsearch.index.search.NumericRangeFieldDataFilter;
import org.elasticsearch.index.similarity.SimilarityProvider;
import java.io.IOException;
import java.io.Reader;
import java.util.Map;
import java.util.regex.Pattern;
import static org.elasticsearch.index.mapper.MapperBuilders.ipField;
import static org.elasticsearch.index.mapper.core.TypeParsers.parseNumberField;
/**
*
*/
public class IpFieldMapper extends NumberFieldMapper {
public static final String CONTENT_TYPE = "ip";
public static String longToIp(long longIp) {
int octet3 = (int) ((longIp >> 24) % 256);
int octet2 = (int) ((longIp >> 16) % 256);
int octet1 = (int) ((longIp >> 8) % 256);
int octet0 = (int) ((longIp) % 256);
return octet3 + "." + octet2 + "." + octet1 + "." + octet0;
}
private static final Pattern pattern = Pattern.compile("\\.");
public static long ipToLong(String ip) throws ElasticSearchIllegalArgumentException {
try {
String[] octets = pattern.split(ip);
if (octets.length != 4) {
throw new ElasticSearchIllegalArgumentException("failed to parse ip [" + ip + "], not full ip address (4 dots)");
}
return (Long.parseLong(octets[0]) << 24) + (Integer.parseInt(octets[1]) << 16) +
(Integer.parseInt(octets[2]) << 8) + Integer.parseInt(octets[3]);
} catch (Exception e) {
if (e instanceof ElasticSearchIllegalArgumentException) {
throw (ElasticSearchIllegalArgumentException) e;
}
throw new ElasticSearchIllegalArgumentException("failed to parse ip [" + ip + "]", e);
}
}
public static class Defaults extends NumberFieldMapper.Defaults {
public static final String NULL_VALUE = null;
public static final FieldType FIELD_TYPE = new FieldType(NumberFieldMapper.Defaults.FIELD_TYPE);
static {
FIELD_TYPE.freeze();
}
}
public static class Builder extends NumberFieldMapper.Builder {
protected String nullValue = Defaults.NULL_VALUE;
public Builder(String name) {
super(name, new FieldType(Defaults.FIELD_TYPE));
builder = this;
}
public Builder nullValue(String nullValue) {
this.nullValue = nullValue;
return this;
}
@Override
public IpFieldMapper build(BuilderContext context) {
fieldType.setOmitNorms(fieldType.omitNorms() && boost == 1.0f);
IpFieldMapper fieldMapper = new IpFieldMapper(buildNames(context),
precisionStep, boost, fieldType, nullValue, ignoreMalformed(context), provider, similarity, fieldDataSettings);
fieldMapper.includeInAll(includeInAll);
return fieldMapper;
}
}
public static class TypeParser implements Mapper.TypeParser {
@Override
public Mapper.Builder parse(String name, Map node, ParserContext parserContext) throws MapperParsingException {
IpFieldMapper.Builder builder = ipField(name);
parseNumberField(builder, name, node, parserContext);
for (Map.Entry entry : node.entrySet()) {
String propName = Strings.toUnderscoreCase(entry.getKey());
Object propNode = entry.getValue();
if (propName.equals("null_value")) {
builder.nullValue(propNode.toString());
}
}
return builder;
}
}
private String nullValue;
protected IpFieldMapper(Names names, int precisionStep, float boost, FieldType fieldType,
String nullValue, Explicit ignoreMalformed,
PostingsFormatProvider provider, SimilarityProvider similarity, @Nullable Settings fieldDataSettings) {
super(names, precisionStep, boost, fieldType,
ignoreMalformed, new NamedAnalyzer("_ip/" + precisionStep, new NumericIpAnalyzer(precisionStep)),
new NamedAnalyzer("_ip/max", new NumericIpAnalyzer(Integer.MAX_VALUE)), provider, similarity, fieldDataSettings);
this.nullValue = nullValue;
}
@Override
public FieldType defaultFieldType() {
return Defaults.FIELD_TYPE;
}
@Override
public FieldDataType defaultFieldDataType() {
return new FieldDataType("long");
}
@Override
protected int maxPrecisionStep() {
return 64;
}
@Override
public Long value(Object value) {
if (value == null) {
return null;
}
if (value instanceof Number) {
return ((Number) value).longValue();
}
if (value instanceof BytesRef) {
return Numbers.bytesToLong((BytesRef) value);
}
return ipToLong(value.toString());
}
/**
* IPs should return as a string.
*/
@Override
public Object valueForSearch(Object value) {
Long val = value(value);
if (val == null) {
return null;
}
return longToIp(val);
}
@Override
public BytesRef indexedValueForSearch(Object value) {
BytesRef bytesRef = new BytesRef();
NumericUtils.longToPrefixCoded(parseValue(value), 0, bytesRef); // 0 because of exact match
return bytesRef;
}
private long parseValue(Object value) {
if (value instanceof Number) {
return ((Number) value).longValue();
}
if (value instanceof BytesRef) {
return ipToLong(((BytesRef) value).utf8ToString());
}
return ipToLong(value.toString());
}
@Override
public Query fuzzyQuery(String value, String minSim, int prefixLength, int maxExpansions, boolean transpositions) {
long iValue = ipToLong(value);
long iSim;
try {
iSim = ipToLong(minSim);
} catch (ElasticSearchIllegalArgumentException e) {
try {
iSim = Long.parseLong(minSim);
} catch (NumberFormatException e1) {
iSim = (long) Double.parseDouble(minSim);
}
}
return NumericRangeQuery.newLongRange(names.indexName(), precisionStep,
iValue - iSim,
iValue + iSim,
true, true);
}
@Override
public Query rangeQuery(Object lowerTerm, Object upperTerm, boolean includeLower, boolean includeUpper, @Nullable QueryParseContext context) {
return NumericRangeQuery.newLongRange(names.indexName(), precisionStep,
lowerTerm == null ? null : parseValue(lowerTerm),
upperTerm == null ? null : parseValue(upperTerm),
includeLower, includeUpper);
}
@Override
public Filter rangeFilter(Object lowerTerm, Object upperTerm, boolean includeLower, boolean includeUpper, @Nullable QueryParseContext context) {
return NumericRangeFilter.newLongRange(names.indexName(), precisionStep,
lowerTerm == null ? null : parseValue(lowerTerm),
upperTerm == null ? null : parseValue(upperTerm),
includeLower, includeUpper);
}
@Override
public Filter rangeFilter(IndexFieldDataService fieldData, Object lowerTerm, Object upperTerm, boolean includeLower, boolean includeUpper, @Nullable QueryParseContext context) {
return NumericRangeFieldDataFilter.newLongRange((IndexNumericFieldData) fieldData.getForField(this),
lowerTerm == null ? null : parseValue(lowerTerm),
upperTerm == null ? null : parseValue(upperTerm),
includeLower, includeUpper);
}
@Override
public Filter nullValueFilter() {
if (nullValue == null) {
return null;
}
final long value = ipToLong(nullValue);
return NumericRangeFilter.newLongRange(names.indexName(), precisionStep,
value,
value,
true, true);
}
@Override
protected Field innerParseCreateField(ParseContext context) throws IOException {
String ipAsString;
if (context.externalValueSet()) {
ipAsString = (String) context.externalValue();
if (ipAsString == null) {
ipAsString = nullValue;
}
} else {
if (context.parser().currentToken() == XContentParser.Token.VALUE_NULL) {
ipAsString = nullValue;
} else {
ipAsString = context.parser().text();
}
}
if (ipAsString == null) {
return null;
}
if (context.includeInAll(includeInAll, this)) {
context.allEntries().addText(names.fullName(), ipAsString, boost);
}
final long value = ipToLong(ipAsString);
return new LongFieldMapper.CustomLongNumericField(this, value, fieldType);
}
@Override
protected String contentType() {
return CONTENT_TYPE;
}
@Override
public void merge(Mapper mergeWith, MergeContext mergeContext) throws MergeMappingException {
super.merge(mergeWith, mergeContext);
if (!this.getClass().equals(mergeWith.getClass())) {
return;
}
if (!mergeContext.mergeFlags().simulate()) {
this.nullValue = ((IpFieldMapper) mergeWith).nullValue;
}
}
@Override
protected void doXContentBody(XContentBuilder builder) throws IOException {
super.doXContentBody(builder);
if (precisionStep != Defaults.PRECISION_STEP) {
builder.field("precision_step", precisionStep);
}
if (nullValue != null) {
builder.field("null_value", nullValue);
}
if (includeInAll != null) {
builder.field("include_in_all", includeInAll);
}
}
public static class NumericIpAnalyzer extends NumericAnalyzer {
private final int precisionStep;
public NumericIpAnalyzer() {
this(NumericUtils.PRECISION_STEP_DEFAULT);
}
public NumericIpAnalyzer(int precisionStep) {
this.precisionStep = precisionStep;
}
@Override
protected NumericIpTokenizer createNumericTokenizer(Reader reader, char[] buffer) throws IOException {
return new NumericIpTokenizer(reader, precisionStep, buffer);
}
}
public static class NumericIpTokenizer extends NumericTokenizer {
public NumericIpTokenizer(Reader reader, int precisionStep, char[] buffer) throws IOException {
super(reader, new NumericTokenStream(precisionStep), buffer, null);
}
@Override
protected void setValue(NumericTokenStream tokenStream, String value) {
tokenStream.setLongValue(ipToLong(value));
}
}
}
