| /* |
| * 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.freemarker.generator.base.datasource.loader; |
| |
| import org.apache.freemarker.generator.base.FreeMarkerConstants; |
| import org.apache.freemarker.generator.base.datasource.DataSource; |
| import org.apache.freemarker.generator.base.datasource.DataSourceFactory; |
| import org.apache.freemarker.generator.base.datasource.DataSourceLoader; |
| import org.apache.freemarker.generator.base.uri.NamedUri; |
| import org.apache.freemarker.generator.base.uri.NamedUriStringParser; |
| import org.apache.freemarker.generator.base.util.UriUtils; |
| |
| import java.io.File; |
| import java.nio.charset.Charset; |
| import java.util.Map; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| import static org.apache.freemarker.generator.base.util.StringUtils.isNotEmpty; |
| |
| public class FileDataSourceLoader implements DataSourceLoader { |
| |
| @Override |
| public boolean accept(String source) { |
| return isNotEmpty(source) && (!source.contains("://") || source.contains("file://")); |
| } |
| |
| @Override |
| public DataSource load(String source) { |
| final NamedUri namedUri = NamedUriStringParser.parse(source); |
| final String group = namedUri.getGroupOrDefault(FreeMarkerConstants.DEFAULT_GROUP); |
| final Charset charset = namedUri.getCharsetOrDefault(UTF_8); |
| final File file = namedUri.getFile(); |
| final String name = namedUri.getNameOrDefault(file.getName()); |
| final Map<String, String> parameters = namedUri.getParameters(); |
| return DataSourceFactory.fromFile(name, group, file, charset, parameters); |
| } |
| } |