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 015package org.apache.hivemind; 016 017import 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 */ 032public 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}