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.commons.monitoring.reporting.web.plugin; 018 019 import org.apache.commons.monitoring.configuration.Configuration; 020 import org.apache.commons.monitoring.reporting.web.handler.internal.EndpointInfo; 021 import org.apache.commons.monitoring.reporting.web.handler.internal.Invoker; 022 023 import java.util.Collection; 024 import java.util.Map; 025 import java.util.ServiceLoader; 026 import java.util.concurrent.CopyOnWriteArrayList; 027 import java.util.regex.Pattern; 028 029 public final class PluginRepository { 030 public static Collection<PluginInfo> PLUGIN_INFO = new CopyOnWriteArrayList<PluginInfo>(); 031 032 static { 033 for (final Plugin plugin : ServiceLoader.load(Plugin.class, Plugin.class.getClassLoader())) { 034 final String name = plugin.name(); 035 if (name == null) { 036 throw new IllegalArgumentException("plugin name can't be null"); 037 } 038 if (!Configuration.is(name + "activated", true)) { 039 continue; 040 } 041 042 final String mapping = plugin.mapping(); 043 final Class<?> handler = plugin.endpoints(); 044 if (mapping != null) { 045 PLUGIN_INFO.add(new PluginInfo(mapping, name, EndpointInfo.build(handler, plugin.name(), plugin.mapping()))); 046 } 047 } 048 } 049 050 private PluginRepository() { 051 // no-op 052 } 053 054 public static class PluginInfo { 055 private final String url; 056 private final String name; 057 private final EndpointInfo info; 058 059 public PluginInfo(final String url, String name, final EndpointInfo info) { 060 this.url = url; 061 this.name = name; 062 this.info = info; 063 } 064 065 public String getUrl() { 066 return url; 067 } 068 069 public String getName() { 070 return name; 071 } 072 073 public Map<Pattern, Invoker> getInvokers() { 074 return info.getInvokers(); 075 } 076 } 077 }