001 // Copyright 2004, 2005 The Apache Software Foundation 002 // 003 // Licensed under the Apache License, Version 2.0 (the "License"); 004 // you may not use this file except in compliance with the License. 005 // You may obtain a copy of the License at 006 // 007 // http://www.apache.org/licenses/LICENSE-2.0 008 // 009 // Unless required by applicable law or agreed to in writing, software 010 // distributed under the License is distributed on an "AS IS" BASIS, 011 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 // See the License for the specific language governing permissions and 013 // limitations under the License. 014 015 package org.apache.hivemind; 016 017 import java.util.List; 018 019 /** 020 * ModuleDescriptorProviders are used by the {@link org.apache.hivemind.impl.RegistryBuilder} (see 021 * {@link org.apache.hivemind.impl.RegistryBuilder#addModuleDescriptorProvider(ModuleDescriptorProvider)}) 022 * to load the {@link org.apache.hivemind.parse.ModuleDescriptor} objects describing the Modules 023 * which will be exposed by the Registry. 024 * <p> 025 * HiveMind's default ModuleDescriptorProvider is the 026 * {@link org.apache.hivemind.impl.XmlModuleDescriptorProvider}, which can load module descriptors 027 * from XML files or resources on the classpath. 028 * 029 * @author Knut Wannheden 030 * @since 1.1 031 */ 032 public interface ModuleDescriptorProvider 033 { 034 /** 035 * Returns a List of {@link org.apache.hivemind.parse.ModuleDescriptor module descriptors}. Any 036 * referenced submodules must also be included in this List. 037 */ 038 public List getModuleDescriptors(ErrorHandler handler); 039 }