001/* 002 * Copyright 2002-2020 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.core.io.support; 018 019import java.io.IOException; 020 021import org.springframework.core.env.PropertySource; 022import org.springframework.lang.Nullable; 023 024/** 025 * Strategy interface for creating resource-based {@link PropertySource} wrappers. 026 * 027 * @author Juergen Hoeller 028 * @since 4.3 029 * @see DefaultPropertySourceFactory 030 */ 031public interface PropertySourceFactory { 032 033 /** 034 * Create a {@link PropertySource} that wraps the given resource. 035 * @param name the name of the property source 036 * (can be {@code null} in which case the factory implementation 037 * will have to generate a name based on the given resource) 038 * @param resource the resource (potentially encoded) to wrap 039 * @return the new {@link PropertySource} (never {@code null}) 040 * @throws IOException if resource resolution failed 041 */ 042 PropertySource<?> createPropertySource(@Nullable String name, EncodedResource resource) throws IOException; 043 044}