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Java example source code file (FileRecordWriterFactory.java)
The FileRecordWriterFactory.java Java example source code/* * * * Copyright 2015 Skymind,Inc. * * * * Licensed 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.deeplearning4j.cli.files; import com.google.common.base.Preconditions; import org.apache.commons.io.FilenameUtils; import org.canova.api.exceptions.UnknownFormatException; import org.canova.api.records.reader.factory.RecordWriterFactory; import org.canova.api.records.writer.RecordWriter; import org.canova.api.records.writer.impl.CSVRecordWriter; import org.canova.api.records.writer.impl.FileRecordWriter; import org.canova.api.records.writer.impl.MatlabRecordWriter; import org.canova.api.records.writer.impl.SVMLightRecordWriter; import java.io.File; import java.net.URI; /** * Creates an instance of a file record writer * * @author sonali */ public class FileRecordWriterFactory implements RecordWriterFactory { /** * Creates new RecordWriter instance based on the output file extension * * @param uri destination for saving model * @return RecordWriter instance * @throws Exception */ @Override public RecordWriter create(URI uri) throws Exception { Preconditions.checkArgument(uri != null, "URI needs to be specified"); File out = new File(uri.toString()); String fileNameExtension = FilenameUtils.getExtension(uri.toString()).toLowerCase(); RecordWriter recordWriter; switch (fileNameExtension) { case "csv": recordWriter = new CSVRecordWriter(out); break; case "txt": recordWriter = new FileRecordWriter(out, true); break; case "mat": recordWriter = new MatlabRecordWriter(out); break; case "svmlight": recordWriter = new SVMLightRecordWriter(out, true); break; default: throw new UnknownFormatException("Unknown file format"); } return recordWriter; } } Other Java examples (source code examples)Here is a short list of links related to this Java FileRecordWriterFactory.java source code file: |
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