| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.ace.log; |
| |
| import java.util.Dictionary; |
| import java.util.Enumeration; |
| import java.util.Properties; |
| import java.util.StringTokenizer; |
| import org.apache.ace.log.util.Codec; |
| |
| /** |
| * Log event from a specific target and log. |
| */ |
| public class LogEvent implements Comparable { |
| private final String m_targetID; |
| private final long m_logID; |
| private final long m_id; |
| private final long m_time; |
| private final int m_type; |
| private final Dictionary m_properties; |
| |
| public LogEvent(String targetID, long logID, long id, long time, int type, Dictionary properties) { |
| m_targetID = targetID; |
| m_logID = logID; |
| m_id = id; |
| m_time = time; |
| m_type = type; |
| m_properties = properties; |
| } |
| |
| public LogEvent(String targetID, LogEvent source) { |
| this(targetID, source.getLogID(), source.getID(), source.getTime(), source.getType(), source.getProperties()); |
| } |
| |
| public LogEvent(String representation) { |
| try { |
| StringTokenizer st = new StringTokenizer(representation, ","); |
| m_targetID = Codec.decode(st.nextToken()); |
| m_logID = Long.parseLong(st.nextToken()); |
| m_id = Long.parseLong(st.nextToken()); |
| m_time = Long.parseLong(st.nextToken()); |
| m_type = Integer.parseInt(st.nextToken()); |
| m_properties = new Properties(); |
| while (st.hasMoreTokens()) { |
| m_properties.put(st.nextToken(), Codec.decode(st.nextToken())); |
| } |
| } |
| catch (Exception e) { |
| throw new IllegalArgumentException( |
| "Could not create log event from: " + representation); |
| } |
| } |
| |
| public String toRepresentation() { |
| StringBuffer result = new StringBuffer(); |
| result.append(Codec.encode(m_targetID)); |
| result.append(','); |
| result.append(m_logID); |
| result.append(','); |
| result.append(m_id); |
| result.append(','); |
| result.append(m_time); |
| result.append(','); |
| result.append(m_type); |
| Enumeration e = m_properties.keys(); |
| while (e.hasMoreElements()) { |
| String key = (String) e.nextElement(); |
| result.append(','); |
| result.append(key); |
| result.append(','); |
| result.append(Codec.encode((String) m_properties.get(key))); |
| } |
| return result.toString(); |
| } |
| |
| /** |
| * Returns the unique ID of the target that created this event. |
| */ |
| public String getTargetID() { |
| return m_targetID; |
| } |
| |
| /** |
| * Returns the unique log ID of the log. This ID is unique within a target. |
| */ |
| public long getLogID() { |
| return m_logID; |
| } |
| |
| /** |
| * Return the ID or sequence number of the event. |
| */ |
| public long getID() { |
| return m_id; |
| } |
| |
| /** |
| * Returns the timestamp of the event. |
| */ |
| public long getTime() { |
| return m_time; |
| } |
| |
| /** |
| * Returns the type of the event. Valid types are defined in this interface. |
| */ |
| public int getType() { |
| return m_type; |
| } |
| |
| /** |
| * Returns the properties of the event. Properties are restricted to simple key value pairs, only a couple of types are allowed: String, int, long, boolean (TODO what do we need?). |
| */ |
| public Dictionary getProperties() { |
| return m_properties; |
| } |
| |
| public boolean equals(Object o) { |
| if (o == this) { |
| return true; |
| } |
| if (o instanceof LogEvent) { |
| LogEvent event = (LogEvent) o; |
| return m_targetID.equals(event.m_targetID) |
| && m_logID == event.m_logID && m_id == event.m_id; |
| } |
| |
| return false; |
| } |
| |
| public int hashCode() { |
| return (int) (m_targetID.hashCode() + m_logID + m_id); |
| } |
| |
| public int compareTo(Object o) { |
| LogEvent e = (LogEvent) o; |
| final int cmp = m_targetID.compareTo(e.m_targetID); |
| if (cmp != 0) { |
| return cmp; |
| } |
| if (m_logID < e.m_logID) { |
| return -1; |
| } |
| if (m_logID > e.m_logID) { |
| return 1; |
| } |
| if (m_id < e.m_id) { |
| return -1; |
| } |
| if (m_id > e.m_id) { |
| return 1; |
| } |
| return 0; |
| } |
| } |