| /* |
| * 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 opennlp.morfologik.builder; |
| |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.nio.charset.Charset; |
| import java.nio.file.Path; |
| import java.util.Properties; |
| |
| import morfologik.stemming.DictionaryMetadata; |
| import morfologik.stemming.EncoderType; |
| import morfologik.tools.DictCompile; |
| |
| /** |
| * Utility class to build Morfologik dictionaries from a tab separated values |
| * file. The first column is the word, the second its lemma and the third a POS |
| * tag. If there is no lemma information leave the second column empty. |
| */ |
| public class MorfologikDictionayBuilder { |
| |
| /** |
| * Helper to compile a morphological dictionary automaton. |
| * |
| * @param input |
| * The input file (base,inflected,tag). An associated metadata |
| * (*.info) file must exist. |
| * @param overwrite |
| * Overwrite the output file if it exists. |
| * @param validate |
| * Validate input to make sure it makes sense. |
| * @param acceptBom |
| * Accept leading BOM bytes (UTF-8). |
| * @param acceptCr |
| * Accept CR bytes in input sequences (\r). |
| * @param ignoreEmpty |
| * Ignore empty lines in the input. |
| * @return the dictionary path |
| * |
| * @throws Exception |
| */ |
| public Path build(Path input, boolean overwrite, boolean validate, |
| boolean acceptBom, boolean acceptCr, boolean ignoreEmpty) |
| throws Exception { |
| |
| DictCompile compiler = new DictCompile(input, overwrite, validate, |
| acceptBom, acceptCr, ignoreEmpty); |
| compiler.call(); |
| |
| |
| Path metadataPath = DictionaryMetadata |
| .getExpectedMetadataLocation(input); |
| |
| return metadataPath.resolveSibling( |
| metadataPath.getFileName().toString().replaceAll( |
| "\\." + DictionaryMetadata.METADATA_FILE_EXTENSION + "$", ".dict")); |
| } |
| |
| /** |
| * Helper to compile a morphological dictionary automaton using default |
| * parameters. |
| * |
| * @param input |
| * The input file (base,inflected,tag). An associated metadata |
| * (*.info) file must exist. |
| * |
| * @return the dictionary path |
| * |
| * @throws Exception |
| */ |
| public Path build(Path input) throws Exception { |
| |
| return build(input, true, true, false, false, false); |
| |
| } |
| |
| Properties createProperties(Charset encoding, String separator, |
| EncoderType encoderType) throws FileNotFoundException, IOException { |
| |
| Properties properties = new Properties(); |
| properties.setProperty("fsa.dict.separator", separator); |
| properties.setProperty("fsa.dict.encoding", encoding.name()); |
| properties.setProperty("fsa.dict.encoder", encoderType.name()); |
| |
| return properties; |
| |
| } |
| } |