CharacterClassCombination.java
/*
* Copyright 2013 Michael Mackenzie High
*
* 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.
*/
package com.mackenziehigh.snowflake;
import java.util.Arrays;
/**
* An instance of this class specifies a set of characters made from other character-classes.
*
* @author Michael Mackenzie High
*/
final class CharacterClassCombination implements ICharacterClass
{
/**
* These are the character-classes that this character-class combines.
*/
final ICharacterClass[] elements;
/**
* Sole Constructor.
*
* @param classes are the character-classes to combine.
*/
public CharacterClassCombination(final ICharacterClass... classes)
{
Utils.checkNonNullArray(classes);
// Defensive Copy
this.elements = Arrays.copyOf(classes, classes.length);
}
/**
* {@inheritDoc}
*/
@Override
public boolean match(final char c)
{
for(int i = 0; i < elements.length; i++)
{
if(elements[i].match(c)) { return true; }
}
return false;
}
}