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Elasticsearch subproject :test:framework

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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.test.rest.parser;

import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.test.rest.section.LengthAssertion;

import java.io.IOException;

/**
 * Parser for length assert sections
 */
public class LengthParser implements RestTestFragmentParser {

    @Override
    public LengthAssertion parse(RestTestSuiteParseContext parseContext) throws IOException, RestTestParseException {
        Tuple stringObjectTuple = parseContext.parseTuple();
        assert stringObjectTuple.v2() != null;
        int value;
        if (stringObjectTuple.v2() instanceof  Number) {
            value = ((Number) stringObjectTuple.v2()).intValue();
        } else {
            try {
                value = Integer.valueOf(stringObjectTuple.v2().toString());
            } catch(NumberFormatException e) {
                throw new RestTestParseException("length is not a valid number", e);
            }

        }
        return new LengthAssertion(stringObjectTuple.v1(), value);
    }
}