/*
* Encog(tm) Core v3.0 - Java Version
* http://www.heatonresearch.com/encog/
* http://code.google.com/p/encog-java/
* Copyright 2008-2011 Heaton Research, 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.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.app.analyst.commands;
import org.encog.app.analyst.AnalystError;
import org.encog.app.analyst.EncogAnalyst;
import org.encog.app.analyst.script.prop.PropertyConstraints;
import org.encog.app.analyst.script.prop.PropertyEntry;
/**
* The set command allows a script to override a property value.
*/
public class CmdSet extends Cmd {
/**
* The name of this command.
*/
public static final String COMMAND_NAME = "SET";
/**
* Construct the set command with the analyst.
* @param analyst The analyst to use.
*/
public CmdSet(final EncogAnalyst analyst) {
super(analyst);
}
/**
* {@inheritDoc}
*/
@Override
public final boolean executeCommand(final String args) {
final int index = args.indexOf('=');
final String dots = args.substring(0, index).trim();
String value = args.substring(index + 1).trim();
final PropertyEntry entry = PropertyConstraints.getInstance()
.findEntry(dots);
if (entry == null) {
throw new AnalystError("Unknown property: " + args.toUpperCase());
}
// strip quotes
if (value.charAt(0) == '\"') {
value = value.substring(1);
}
if (value.endsWith("\"")) {
value = value.substring(0, value.length() - 1);
}
final String[] cols = dots.split("\\.");
final String section = cols[0];
final String subSection = cols[1];
final String name = cols[2];
entry.validate(section, subSection, name, value);
getProp().setProperty(entry.getKey(), value);
return false;
}
/**
* {@inheritDoc}
*/
@Override
public final String getName() {
return CmdSet.COMMAND_NAME;
}
}