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    • com.github.tomakehurst.wiremock.extension.responsetemplating.helpers.RegexExtractHelper Maven / Gradle / Ivy

    /*
 * Copyright (C) 2011 Thomas Akehurst
 *
 * Licensed 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 com.github.tomakehurst.wiremock.extension.responsetemplating.helpers;

import com.github.jknack.handlebars.Options;
import com.github.tomakehurst.wiremock.common.ListOrSingle;

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class RegexExtractHelper extends HandlebarsHelper {

    @Override
    public Object apply(Object context, Options options) {
        String regexString = options.param(0);
        Pattern regex = Pattern.compile(regexString);
        Matcher matcher = regex.matcher(context.toString());
        if (!matcher.find()) {
            return handleError("Nothing matched " + regexString);
        }

        if (options.params.length == 1) {
            return matcher.group();
        }

        List groups = new ArrayList<>(matcher.groupCount());
        for (int i = 1; i <= matcher.groupCount(); i++) {
            groups.add(matcher.group(i));
        }

        String variableName = options.param(1);
        options.context.data(variableName, new ListOrSingle<>(groups));

        return null;

    }
}
    
    
    
    

    




    
    
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