Java tutorial
/* * 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.commons.discovery.resource.names; import org.apache.commons.discovery.ResourceDiscover; import org.apache.commons.discovery.ResourceNameDiscover; import org.apache.commons.discovery.resource.ClassLoaders; /** * Provide JDK 1.3 style service discovery... * * The caller will first configure the discoverer by creating a * root Discoverer for the files. * * @author Richard A. Sitze * @author Craig R. McClanahan * @author Costin Manolache * @author James Strachan */ public class DiscoverServiceNames extends DiscoverNamesInFile implements ResourceNameDiscover { protected static final String SERVICE_HOME = "META-INF/services/"; /** Construct a new service discoverer */ public DiscoverServiceNames() { super(SERVICE_HOME, null); } /** * Construct a new resource discoverer */ public DiscoverServiceNames(String prefix, String suffix) { super((prefix == null) ? SERVICE_HOME : SERVICE_HOME + prefix, suffix); } /** * Construct a new resource discoverer */ public DiscoverServiceNames(ClassLoaders loaders) { super(loaders, SERVICE_HOME, null); } /** * Construct a new resource discoverer */ public DiscoverServiceNames(ClassLoaders loaders, String prefix, String suffix) { super(loaders, (prefix == null) ? SERVICE_HOME : SERVICE_HOME + prefix, suffix); } /** Construct a new service discoverer */ public DiscoverServiceNames(ResourceDiscover discoverer) { super(discoverer, SERVICE_HOME, null); } /** Construct a new service discoverer */ public DiscoverServiceNames(ResourceDiscover discoverer, String prefix, String suffix) { super(discoverer, (prefix == null) ? SERVICE_HOME : SERVICE_HOME + prefix, suffix); } }