/*
* Copyright (C) 2012 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.crsh.cli.impl.invocation;
import org.crsh.cli.impl.SyntaxException;
import org.crsh.cli.impl.LiteralValue;
import org.crsh.cli.descriptor.ParameterDescriptor;
import java.util.ArrayList;
import java.util.List;
public class ParameterMatch<P extends ParameterDescriptor> {
/** . */
private final P parameter;
/** . */
private final List<LiteralValue> values;
/** . */
private List<String> strings;
public ParameterMatch(P parameter, List<LiteralValue> values) {
this.parameter = parameter;
this.values = values;
this.strings = null;
}
public P getParameter() {
return parameter;
}
public List<LiteralValue> getValues() {
return values;
}
public List<String> getStrings() {
if (strings == null) {
List<String> strings = new ArrayList<String>(values.size());
for (LiteralValue value : values) {
strings.add(parameter.isUnquote() ? value.getValue() : value.getRawValue());
}
this.strings = strings;
}
return strings;
}
/**
* Compute the value from the parameter metadata and the values list.
*
* @return the invocation value
* @throws org.crsh.cli.impl.SyntaxException anything that would prevent the value from being computed
*/
public Object computeValue() throws SyntaxException {
List<String> strings = getStrings();
return parameter.parse(strings);
}
}