org.jboss.as.cli.parsing.DefaultCharacterHandlerMap Maven / Gradle / Ivy

/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2011, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * 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.jboss.as.cli.parsing;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

/**
 *
 * @author Alexey Loubyansky
 */
public class DefaultCharacterHandlerMap implements CharacterHandlerMap {

    private Map handlers = Collections.emptyMap();

    @Override
    public CharacterHandler getHandler(char ch) {
        return handlers.get(ch);
    }

    @Override
    public void putHandler(char ch, CharacterHandler handler) {
        if(handlers.isEmpty()) {
            handlers = new HashMap();
        }
        handlers.put(ch, handler);
    }

    @Override
    public void removeHandler(char ch) {
        handlers.remove(ch);
    }

}