nl.nn.testtool.metadata.RegexMetadataFieldExtractor Maven / Gradle / Ivy

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/*
   Copyright 2018 Nationale-Nederlanden

   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 nl.nn.testtool.metadata;

import java.util.Iterator;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import nl.nn.testtool.Checkpoint;
import nl.nn.testtool.Report;

/**
 * @author Jaco de Groot
 */
public class RegexMetadataFieldExtractor extends DefaultValueMetadataFieldExtractor {
	protected String regex;
	protected Pattern pattern;
	protected boolean extractFromFirstCheckpointOnly = true;

	public void setRegex(String regex) {
		this.regex = regex;
		if (regex == null) {
			pattern = null;
		} else {
			pattern = Pattern.compile(regex);
		}
	}

	public void setExtractFromFirstCheckpointOnly(boolean extractFromFirstCheckpointOnly) {
		this.extractFromFirstCheckpointOnly = extractFromFirstCheckpointOnly;
	}

	public Object extractMetadata(Report report) {
		String value = null;
		Iterator iterator = report.getCheckpoints().iterator();
		while (value == null && iterator.hasNext()) {
			String message = ((Checkpoint)iterator.next()).getMessage();
			Matcher matcher = pattern.matcher(message);
			if (matcher.find()) {
				value = matcher.group(matcher.groupCount());
			}
			if (extractFromFirstCheckpointOnly) {
				break;
			}
		}
		if (value == null) {
			value = defaultValue;
		}
		return value;
	}

}