org.elasticsearch.index.query.WrapperFilterBuilder Maven / Gradle / Ivy
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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.query;
/**
* Created by IntelliJ IDEA.
* User: cedric
* Date: 12/07/11
* Time: 11:30
*/
import com.google.common.base.Charsets;
import org.elasticsearch.common.xcontent.XContentBuilder;
import java.io.IOException;
/**
* A Filter builder which allows building a filter thanks to a JSON string or binary data. This is useful when you want
* to use the Java Builder API but still have JSON filter strings at hand that you want to combine with other
* query builders.
*/
public class WrapperFilterBuilder extends BaseFilterBuilder {
private final byte[] source;
private final int offset;
private final int length;
public WrapperFilterBuilder(String source) {
this.source = source.getBytes(Charsets.UTF_8);
this.offset = 0;
this.length = this.source.length;
}
public WrapperFilterBuilder(byte[] source, int offset, int length) {
this.source = source;
this.offset = offset;
this.length = length;
}
@Override
protected void doXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject(WrapperFilterParser.NAME);
builder.field("filter", source, offset, length);
builder.endObject();
}
}