Java tutorial
/* * Copyright (C) 2015 * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.cleverbus.admin.services.log; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import java.util.regex.Pattern; import org.apache.commons.lang.StringUtils; import org.apache.commons.lang.builder.ToStringBuilder; import org.joda.time.DateTime; import org.joda.time.format.DateTimeFormatter; /** * Configuration holder for {@link LogParser} */ public class LogParserConfig { private DateTime fromDate; private Integer limit; private Map<String, String> filter; private List<String> groupBy; private Integer groupLimit; private String msg; public LogParserConfig() { setFromDate(DateTime.now()); setLimit(LogParserConstants.MAX_RESULT_LIMIT); setFilter(Collections.<String, String>emptyMap()); setGroupBy(Collections.<String>emptySet()); setGroupLimit(null); setMsg(null); } public LogEvent createLogEvent() { return new LogEvent(this); } /** the date to find log lines after */ public DateTime getFromDate() { return fromDate; } public void setFromDate(DateTime fromDate) { this.fromDate = fromDate; } /** the limit of how many lines should be returned */ public Integer getLimit() { return limit; } public void setLimit(Integer limit) { this.limit = limit; } /** * The Property=Value sets that the specified log event should have in order to not be ignored. */ public Map<String, String> getFilter() { return filter; } public void setFilter(Map<String, String> filter) { if (filter == null) { this.filter = Collections.emptyMap(); } else { this.filter = new LinkedHashMap<String, String>(filter); this.filter.keySet().retainAll(getPropertyNames()); } } /** * The property names that results will be grouped by. */ public List<String> getGroupBy() { return groupBy; } public void setGroupBy(Collection<String> groupBy) { if (groupBy == null) { this.groupBy = Collections.emptyList(); } else { this.groupBy = new ArrayList<String>(getPropertyNames()); this.groupBy.retainAll(groupBy); } } /** max number of lines to return for each group */ public Integer getGroupLimit() { return groupLimit; } public void setGroupLimit(Integer groupLimit) { this.groupLimit = groupLimit; } @Override public String toString() { return new ToStringBuilder(this).append("fromDate", fromDate).append("limit", limit) .append("filter", filter).append("groupBy", groupBy).append("groupLimit", groupLimit).toString(); } public String describe() { return String.format( "first %s log lines with up to %s per group, after %s, grouped by %s, with properties %s", limit, groupLimit, fromDate, groupBy, filter); } public Pattern getDatePattern() { return LogParserConstants.LOG_LINE_DATE_PATTERN; } public DateTimeFormatter getDateFormat() { return LogParserConstants.LOGBACK_ISO8601_OPTIONAL_TIME_FORMAT; } public Pattern getPropertiesPattern() { return LogParserConstants.LOG_LINE_PROPERTIES_PATTERN; } public int getPropertyCount() { return getPropertyNames().size(); } public List<String> getPropertyNames() { return LogParserConstants.LOG_LINE_PROPERTIES; } public boolean isMatchesFilter(String propertyValue, int propertyIndex) { String expectedValue = filter.get(getPropertyNames().get(propertyIndex)); return expectedValue == null || StringUtils.containsIgnoreCase(propertyValue, expectedValue); } public String getMsg() { return msg; } public void setMsg(String msg) { this.msg = msg; } }