001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache license, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the license for the specific language governing permissions and 015 * limitations under the license. 016 */ 017 package org.apache.logging.log4j.core.appender.rolling; 018 019 import org.apache.logging.log4j.core.LogEvent; 020 import org.apache.logging.log4j.core.config.plugins.Plugin; 021 import org.apache.logging.log4j.core.config.plugins.PluginElement; 022 import org.apache.logging.log4j.core.config.plugins.PluginFactory; 023 024 /** 025 * Triggering policy that wraps other policies. 026 */ 027 @Plugin(name = "Policies", type = "Core", printObject = true) 028 public final class CompositeTriggeringPolicy implements TriggeringPolicy { 029 030 private final TriggeringPolicy[] policies; 031 032 private CompositeTriggeringPolicy(final TriggeringPolicy... policies) { 033 this.policies = policies; 034 } 035 036 /** 037 * Initializes the policy. 038 * @param manager The RollingFileManager. 039 */ 040 public void initialize(final RollingFileManager manager) { 041 for (final TriggeringPolicy policy : policies) { 042 policy.initialize(manager); 043 } 044 } 045 046 /** 047 * Determines if a rollover should occur. 048 * @param event A reference to the currently event. 049 * @return true if a rollover should occur, false otherwise. 050 */ 051 public boolean isTriggeringEvent(final LogEvent event) { 052 for (final TriggeringPolicy policy : policies) { 053 if (policy.isTriggeringEvent(event)) { 054 return true; 055 } 056 } 057 return false; 058 } 059 060 @Override 061 public String toString() { 062 final StringBuilder sb = new StringBuilder("CompositeTriggeringPolicy{"); 063 boolean first = true; 064 for (final TriggeringPolicy policy : policies) { 065 if (!first) { 066 sb.append(", "); 067 } 068 sb.append(policy.toString()); 069 first = false; 070 } 071 sb.append("}"); 072 return sb.toString(); 073 } 074 075 /** 076 * Create a CompositeTriggeringPolicy. 077 * @param policies The triggering policies. 078 * @return A CompositeTriggeringPolicy. 079 */ 080 @PluginFactory 081 public static CompositeTriggeringPolicy createPolicy( 082 @PluginElement("policies") final TriggeringPolicy... policies) { 083 return new CompositeTriggeringPolicy(policies); 084 } 085 }