org.apache.xmlbeans.impl.config.NameSetBuilder Maven / Gradle / Ivy
/* Copyright 2004 The Apache Software Foundation
*
* 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.
*/
/**
* Author: Cezar Andrei ( cezar.andrei at bea.com )
* Date: Apr 25, 2004
*/
package org.apache.xmlbeans.impl.config;
import java.util.Set;
import java.util.HashSet;
/**
* Used to build {@link NameSet NameSets}.
*/
public class NameSetBuilder
{
private boolean _isFinite;
private Set _finiteSet;
/**
* Creates an empty builder for a NameSet.
*/
public NameSetBuilder()
{
_isFinite = true;
_finiteSet = new HashSet();
}
/**
* Inverts the representing NameSet
*/
public void invert()
{
_isFinite = !_isFinite;
}
/**
* Adds a name to the representing NameSet
* @param name
*/
public void add(String name)
{
if (_isFinite )
_finiteSet.add(name);
else
_finiteSet.remove(name);
}
/**
* Creates a new NameSet with the current state.
* @return created NameSet
*/
public NameSet toNameSet()
{
if ( _finiteSet.size()==0 )
if ( _isFinite )
return NameSet.EMPTY;
else
return NameSet.EVERYTHING;
else
return NameSet.newInstance(_isFinite, _finiteSet);
}
}