/**
* 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.filesystem;
import com.rapidminer.operator.Operator;
import com.rapidminer.operator.OperatorDescription;
import com.rapidminer.operator.OperatorException;
import com.rapidminer.operator.UserError;
import com.rapidminer.operator.ports.DummyPortPairExtender;
import com.rapidminer.operator.ports.PortPairExtender;
import com.rapidminer.parameter.ParameterType;
import com.rapidminer.parameter.ParameterTypeDirectory;
import com.rapidminer.parameter.ParameterTypeString;
import java.io.File;
import java.util.List;
/**
*
* This operator creates a new directory. If the directory can't be created or it already exists, an
* exeption will be thrown.
*
* @author Philipp Kersting
*
*/
public class CreateDirectoryOperator extends Operator {
public static final String PARAMETER_LOCATION = "location";
public static final String PARAMETER_NAME = "name";
private PortPairExtender dummyPorts = new DummyPortPairExtender("through", getInputPorts(), getOutputPorts());
public CreateDirectoryOperator(OperatorDescription description) {
super(description);
dummyPorts.start();
getTransformer().addRule(dummyPorts.makePassThroughRule());
}
@Override
public List<ParameterType> getParameterTypes() {
List<ParameterType> types = super.getParameterTypes();
types.add(new ParameterTypeDirectory(PARAMETER_LOCATION, "The parent directory of the new folder.", false));
types.add(new ParameterTypeString(PARAMETER_NAME, "The name of the new directory.", false, false));
return types;
}
@Override
public void doWork() throws OperatorException {
String locationName = getParameterAsString(PARAMETER_LOCATION);
String newDirectoryName = getParameterAsString(PARAMETER_NAME);
File newDirectory = new File(locationName, newDirectoryName);
if (newDirectory.exists()) {
throw new UserError(this, "create_directory.exists", newDirectory);
} else {
if (!newDirectory.mkdirs()) {
throw new UserError(this, "create_directory.failure", newDirectory);
}
}
dummyPorts.passDataThrough();
}
}