| /* |
| * 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.lucene.analysis.util; |
| |
| |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.io.Writer; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| |
| import org.apache.lucene.analysis.CharArraySet; |
| import org.apache.lucene.analysis.WordlistLoader; |
| import org.apache.lucene.util.IOUtils; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class TestFilesystemResourceLoader extends LuceneTestCase { |
| |
| private void assertNotFound(ResourceLoader rl) throws Exception { |
| // the resource does not exist, should fail! |
| expectThrows(IOException.class, () -> { |
| IOUtils.closeWhileHandlingException(rl.openResource("this-directory-really-really-really-should-not-exist/foo/bar.txt")); |
| }); |
| |
| // the class does not exist, should fail! |
| expectThrows(RuntimeException.class, () -> { |
| rl.newInstance("org.apache.lucene.analysis.FooBarFilterFactory", TokenFilterFactory.class); |
| }); |
| } |
| |
| private void assertClasspathDelegation(ResourceLoader rl) throws Exception { |
| // try a stopwords file from classpath |
| CharArraySet set = WordlistLoader.getSnowballWordSet( |
| new InputStreamReader(rl.openResource("org/apache/lucene/analysis/snowball/english_stop.txt"), StandardCharsets.UTF_8) |
| ); |
| assertTrue(set.contains("you")); |
| // try to load a class; we use string comparison because classloader may be different... |
| assertEquals("org.apache.lucene.analysis.util.RollingCharBuffer", |
| rl.newInstance("org.apache.lucene.analysis.util.RollingCharBuffer", Object.class).getClass().getName()); |
| } |
| |
| public void testBaseDir() throws Exception { |
| final Path base = createTempDir("fsResourceLoaderBase"); |
| Writer os = Files.newBufferedWriter(base.resolve("template.txt"), StandardCharsets.UTF_8); |
| try { |
| os.write("foobar\n"); |
| } finally { |
| IOUtils.closeWhileHandlingException(os); |
| } |
| |
| ResourceLoader rl = new FilesystemResourceLoader(base); |
| assertEquals("foobar", WordlistLoader.getLines(rl.openResource("template.txt"), StandardCharsets.UTF_8).get(0)); |
| // Same with full path name: |
| String fullPath = base.resolve("template.txt").toAbsolutePath().toString(); |
| assertEquals("foobar", |
| WordlistLoader.getLines(rl.openResource(fullPath), StandardCharsets.UTF_8).get(0)); |
| assertClasspathDelegation(rl); |
| assertNotFound(rl); |
| } |
| |
| public void testDelegation() throws Exception { |
| ResourceLoader rl = new FilesystemResourceLoader(createTempDir("empty"), new StringMockResourceLoader("foobar\n")); |
| assertEquals("foobar", WordlistLoader.getLines(rl.openResource("template.txt"), StandardCharsets.UTF_8).get(0)); |
| } |
| |
| } |