/* * 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.log4j.lf5.viewer; import java.util.Arrays; import java.util.HashMap; import java.util.List; import java.util.Map; /** * LogTableColumn * * @author Michael J. Sikorsky * @author Brad Marlborough */ // Contributed by ThoughtWorks Inc. public class LogTableColumn implements java.io.Serializable { private static final long serialVersionUID = -4275827753626456547L; // log4j table columns. public final static LogTableColumn DATE = new LogTableColumn("Date"); public final static LogTableColumn THREAD = new LogTableColumn("Thread"); public final static LogTableColumn MESSAGE_NUM = new LogTableColumn("Message #"); public final static LogTableColumn LEVEL = new LogTableColumn("Level"); public final static LogTableColumn NDC = new LogTableColumn("NDC"); public final static LogTableColumn CATEGORY = new LogTableColumn("Category"); public final static LogTableColumn MESSAGE = new LogTableColumn("Message"); public final static LogTableColumn LOCATION = new LogTableColumn("Location"); public final static LogTableColumn THROWN = new LogTableColumn("Thrown"); //-------------------------------------------------------------------------- // Protected Variables: //-------------------------------------------------------------------------- protected String _label; //-------------------------------------------------------------------------- // Private Variables: //-------------------------------------------------------------------------- private static LogTableColumn[] _log4JColumns; private static Map _logTableColumnMap; //-------------------------------------------------------------------------- // Constructors: //-------------------------------------------------------------------------- static { _log4JColumns = new LogTableColumn[]{DATE, THREAD, MESSAGE_NUM, LEVEL, NDC, CATEGORY, MESSAGE, LOCATION, THROWN}; _logTableColumnMap = new HashMap(); for (int i = 0; i < _log4JColumns.length; i++) { _logTableColumnMap.put(_log4JColumns[i].getLabel(), _log4JColumns[i]); } } public LogTableColumn(String label) { _label = label; } //-------------------------------------------------------------------------- // Public Methods: //-------------------------------------------------------------------------- /** * Return the Label of the LogLevel. */ public String getLabel() { return _label; } /** * Convert a column label into a LogTableColumn object. * * @param column The label of a level to be converted into a LogTableColumn. * @return LogTableColumn The LogTableColumn with a label equal to column. * @throws LogTableColumnFormatException Is thrown when the column can not be * converted into a LogTableColumn. */ public static LogTableColumn valueOf(String column) throws LogTableColumnFormatException { LogTableColumn tableColumn = null; if (column != null) { column = column.trim(); tableColumn = (LogTableColumn) _logTableColumnMap.get(column); } if (tableColumn == null) { StringBuffer buf = new StringBuffer(); buf.append("Error while trying to parse (" + column + ") into"); buf.append(" a LogTableColumn."); throw new LogTableColumnFormatException(buf.toString()); } return tableColumn; } public boolean equals(Object o) { boolean equals = false; if (o instanceof LogTableColumn) { if (this.getLabel() == ((LogTableColumn) o).getLabel()) { equals = true; } } return equals; } public int hashCode() { return _label.hashCode(); } public String toString() { return _label; } /** * @return A List of LogTableColumn/code> objects that map * to log4j Column objects. */ public static List getLogTableColumns() { return Arrays.asList(_log4JColumns); } public static LogTableColumn[] getLogTableColumnArray() { return _log4JColumns; } //-------------------------------------------------------------------------- // Protected Methods: //-------------------------------------------------------------------------- //-------------------------------------------------------------------------- // Private Methods: //-------------------------------------------------------------------------- //-------------------------------------------------------------------------- // Nested Top-Level Classes or Interfaces: //-------------------------------------------------------------------------- }