org.camunda.bpm.engine.rest.dto.converter.ReportResultToCsvConverter Maven / Gradle / Ivy
/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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.camunda.bpm.engine.rest.dto.converter;
import java.util.List;
import org.camunda.bpm.engine.history.DurationReportResult;
import org.camunda.bpm.engine.history.ReportResult;
import org.camunda.bpm.engine.rest.dto.history.HistoricProcessInstanceReportDto;
import org.camunda.bpm.engine.rest.exception.InvalidRequestException;
import javax.ws.rs.core.Response.Status;
/**
* @author Roman Smirnov
*
*/
public class ReportResultToCsvConverter {
protected static String DELIMITER = ",";
protected static String NEW_LINE_SEPARATOR = "\n";
public static String DURATION_HEADER = "PERIOD"
+ DELIMITER + "PERIOD_UNIT"
+ DELIMITER + "MINIMUM"
+ DELIMITER + "MAXIMUM"
+ DELIMITER + "AVERAGE";
public static String convertReportResult(List reports, String reportType) {
if (HistoricProcessInstanceReportDto.REPORT_TYPE_DURATION.equals(reportType)) {
return convertDurationReportResult(reports);
}
throw new InvalidRequestException(Status.BAD_REQUEST, "Unkown report type " + reportType);
}
protected static String convertDurationReportResult(List reports) {
StringBuilder buffer = new StringBuilder();
buffer.append(DURATION_HEADER);
for (ReportResult report : reports) {
DurationReportResult durationReport = (DurationReportResult) report;
buffer.append(NEW_LINE_SEPARATOR);
buffer.append(durationReport.getPeriod());
buffer.append(DELIMITER);
buffer.append(durationReport.getPeriodUnit().toString());
buffer.append(DELIMITER);
buffer.append(durationReport.getMinimum());
buffer.append(DELIMITER);
buffer.append(durationReport.getMaximum());
buffer.append(DELIMITER);
buffer.append(durationReport.getAverage());
}
return buffer.toString();
}
}