| /* |
| * 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.mail.resolver; |
| |
| import javax.activation.DataSource; |
| import javax.activation.FileDataSource; |
| import java.io.File; |
| import java.io.IOException; |
| |
| /** |
| * Creates a {@code DataSource} based on an URL. The implementation |
| * also resolves file resources. |
| * |
| * @since 1.3 |
| */ |
| public class DataSourceFileResolver extends DataSourceBaseResolver |
| { |
| /** the base directory of the resource when resolving relative paths */ |
| private final File baseDir; |
| |
| /** |
| * Constructor. |
| */ |
| public DataSourceFileResolver() |
| { |
| baseDir = new File("."); |
| } |
| |
| /** |
| * Constructor. |
| * |
| * @param baseDir the base directory of the resource when resolving relative paths |
| */ |
| public DataSourceFileResolver(final File baseDir) |
| { |
| this.baseDir = baseDir; |
| } |
| |
| /** |
| * Constructor. |
| * |
| * @param baseDir the base directory of the resource when resolving relative paths |
| * @param lenient shall we ignore resources not found or complain with an exception |
| */ |
| public DataSourceFileResolver(final File baseDir, final boolean lenient) |
| { |
| super(lenient); |
| this.baseDir = baseDir; |
| } |
| |
| /** |
| * Get the base directory used for resolving relative resource locations. |
| * |
| * @return the baseUrl |
| */ |
| public File getBaseDir() |
| { |
| return baseDir; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public DataSource resolve(final String resourceLocation) throws IOException |
| { |
| return resolve(resourceLocation, isLenient()); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public DataSource resolve(final String resourceLocation, final boolean isLenient) throws IOException |
| { |
| File file; |
| DataSource result = null; |
| |
| if (!isCid(resourceLocation)) |
| { |
| file = new File(resourceLocation); |
| |
| if (!file.isAbsolute()) |
| { |
| file = getBaseDir() != null ? new File(getBaseDir(), resourceLocation) : new File(resourceLocation); |
| } |
| |
| if (file.exists()) |
| { |
| result = new FileDataSource(file); |
| } |
| else |
| { |
| if (!isLenient) |
| { |
| throw new IOException("Cant resolve the following file resource :" + file.getAbsolutePath()); |
| } |
| } |
| } |
| |
| return result; |
| } |
| } |