de.micromata.genome.util.matcher.LogicalMatcherFactory.java Source code

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Here is the source code for de.micromata.genome.util.matcher.LogicalMatcherFactory.java

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//
// Copyright (C) 2010-2016 Micromata GmbH
//
// 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 de.micromata.genome.util.matcher;

import org.apache.commons.lang3.StringUtils;

/**
 * Same as BooleanListRulesFactory, but support and, or and not as aliase to && || !.
 *
 * @author Roger Rene Kommer (r.kommer.extern@micromata.de)
 * @param <T> the generic type
 */
public class LogicalMatcherFactory<T> extends BooleanListRulesFactory<T> {

    /**
     * Instantiates a new logical matcher factory.
     */
    public LogicalMatcherFactory() {
        super();
    }

    /**
     * Instantiates a new logical matcher factory.
     *
     * @param elementFactory the element factory
     */
    public LogicalMatcherFactory(MatcherFactory<T> elementFactory) {
        super(elementFactory);
    }

    /**
     * Prepare rule.
     *
     * @param rule the rule
     * @return the string
     */
    private String prepareRule(String rule) {
        rule = StringUtils.replace(rule, " and ", " && ");
        rule = StringUtils.replace(rule, " or ", " || ");
        rule = StringUtils.replace(rule, " not ", " !");
        return rule;
    }

    @Override
    public Matcher<T> createMatcher(String pattern) {
        return super.createMatcher(prepareRule(pattern));
    }

}