    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 */
    017package org.apache.commons.mail;
    018
    019import java.io.IOException;
    020
    021import javax.activation.DataSource;
    022
    023/**
    024 * Creates a {@code DataSource} based on an URL.
    025 *
    026 * @since 1.3
    027 */
    028public interface DataSourceResolver {
    029
    030    /**
    031     * Resolves the given resource location to a {@code DataSource}.
    032     *
    033     * @param resourceLocation the location of the resource
    034     * @return the {@code DataSource}
    035     * @throws IOException the resource was not found
    036     */
    037    DataSource resolve(final String resourceLocation) throws IOException;
    038
    039    /**
    040     * Resolves the given resource location to a {@code DataSource}.
    041     *
    042     * @param resourceLocation the location of the resource
    043     * @param isLenient        shall we ignore resources not found or complain with an exception?
    044     * @return the data source containing the resource or null if the resource was not found in lenient mode
    045     * @throws IOException resolving the resource failed
    046     */
    047    DataSource resolve(final String resourceLocation, final boolean isLenient) throws IOException;
    048}