/* * 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.persistence.logging; /** * A Handler exports LogRecords to some destination. It can be configured to ignore log records that * are below a given level. It can also a have formatter for formatting the log records before * exporting the to the destination. */ public abstract class Handler { /** * The minimum level for this handler. Any records below this level are ignored. */ private Level level; /** Used to format the log records */ private Formatter formatter; /** * Creates a new <code>Handler</code> with Level.ALL and no formatter. */ protected Handler() { this.level = Level.ALL; this.formatter = null; } /** * Closes this Handler and frees all of its resources */ public abstract void close(); /** * Flushes an buffered output */ public abstract void flush(); /** * Returns the formatter for this handler */ public Formatter getFormatter() { return (this.formatter); } /** * Sets the formatter for this handler */ public void setFormatter(Formatter formatter) { this.formatter = formatter; } /** * Returns the level below which this handler ignores */ public Level getLevel() { return (this.level); } /** * Sets the level below which this handler ignores */ public void setLevel(Level level) { this.level = level; } /** * Returns <code>true</code> if a log record will be handled by this handler. */ public boolean isLoggable(LogRecord record) { if (record.getLevel().intValue() >= this.getLevel().intValue()) { return (true); } else { return (false); } } /** * Publishes a log record to this handler */ public abstract void publish(LogRecord record); }