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SEWOL provides support for the handling of workflow traces. Specifically it allows to specify the shape and content of process traces in terms of entries representing the execution of a specific workflow activity. SEWOL also allows to write these traces on disk as a log file with the help of a special file writer for process logs. Currently it supports plain text, Petrify, MXML and XES log file types. In order to specify security-related context information, SEWOL provides access control models such as access control lists (ACL) and role-based access control models (RBAC). All types of models can be conveniently edited with the help of appropriate dialogs.

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package de.uni.freiburg.iig.telematik.sewol.parser;

import de.invation.code.toval.parser.ParserException;
import java.util.List;

import de.invation.code.toval.validate.ParameterException;
import de.invation.code.toval.validate.ParameterException.ErrorCode;
import de.invation.code.toval.validate.Validate;
import de.uni.freiburg.iig.telematik.sewol.log.LogEntry;
import de.uni.freiburg.iig.telematik.sewol.log.LogSummary;
import de.uni.freiburg.iig.telematik.sewol.log.LogTrace;
import java.io.File;
import java.util.ArrayList;

public abstract class AbstractLogParser implements LogParserInterface {

        protected List>> parsedLogFiles = null;
        protected final List> summaries = new ArrayList<>();

        protected boolean parsed() {
                return parsedLogFiles != null;
        }

        protected int parsedLogFiles() {
                if (!parsed()) {
                        return 0;
                }
                return parsedLogFiles.size();
        }

        @Override
        public List> getParsedLog(int index) throws ParameterException {
                if (!parsed()) {
                        throw new ParameterException("Log not parsed yet!");
                }
                Validate.notNegative(index);
                if (index > parsedLogFiles() - 1) {
                        throw new ParameterException(ErrorCode.RANGEVIOLATION, "No log for index " + index);
                }
                return parsedLogFiles.get(index);
        }

        @Override
        public List> getFirstParsedLog() throws ParameterException {
                return getParsedLog(0);
        }

        @Override
        public LogSummary getSummary(int index) throws ParameterException {
                if (!parsed()) {
                        throw new ParameterException("Log not parsed yet!");
                }
                Validate.notNegative(index);
                if (index > parsedLogFiles() - 1) {
                        throw new ParameterException(ErrorCode.RANGEVIOLATION, "No log for index " + index);
                }
                if (index >= summaries.size()) {
                        summaries.add(new LogSummary<>(getParsedLog(index)));
                }
                return summaries.get(index);
        }

        @Override
        public LogSummary getSummaryForFirstParsedLog() throws ParameterException {
                return getSummary(0);
        }
}