/**
* Copyright (C) 2001-2017 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.com
*
* This program is free software: you can redistribute it and/or modify it under the terms of the
* GNU Affero General Public License as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License along with this program.
* If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.operator.nio.file;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import com.rapidminer.operator.OperatorException;
/**
* Simple implementation of a {@link FileObject} backed by a {@link File}.
*
* @author Nils Woehler
*
*/
public class SimpleFileObject extends FileObject {
private static final long serialVersionUID = 1L;
private File file;
public SimpleFileObject(File file) {
super();
this.file = file;
}
@Override
public InputStream openStream() throws OperatorException {
try {
return new FileInputStream(file);
} catch (FileNotFoundException e) {
throw new OperatorException("301", e, file);
}
}
@Override
public File getFile() {
return file;
}
/**
* Returns the size of the related file in number of bytes. Returns 0, if the file does not
* exist.
*/
@Override
public long getLength() throws OperatorException {
return file.length();
}
@Override
public String toString() {
return "File: " + getFile().getAbsolutePath();
}
}