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

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Here is the source code for de.micromata.genome.util.matcher.BeanInspektorMatcherFactory.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;

/**
 * A factory for creating BeanInspektorMatcher objects.
 *
 * @author Roger Rene Kommer (r.kommer.extern@micromata.de)
 */
public class BeanInspektorMatcherFactory implements MatcherFactory<Object> {

    /**
     * Creates a new BeanInspektorMatcher object.
     *
     * @param pattern the pattern
     * @return the matcher
     */
    @Override
    public Matcher<Object> createMatcher(String pattern) {
        String matcherString = StringUtils.trim(StringUtils.substringBefore(pattern, "="));
        String valueString = StringUtils.trimToNull(StringUtils.substringAfter(pattern, "="));

        if (matcherString.trim().equals("instanceOf")) {
            try {
                // TODO (RK) wirklich nur von root classloader, nicht thread?
                return new BeanInstanceOfMatcher(Class.forName(valueString.trim()));
            } catch (Exception ex) {
                throw new RuntimeException(ex); // TODO better ex
            }
        }
        return new BeanPropertiesMatcher(matcherString, valueString);
    }

    /**
     * Gets the rule string.
     *
     * @param matcher the matcher
     * @return the rule string
     */
    @Override
    public String getRuleString(Matcher<Object> matcher) {
        if (matcher instanceof BeanInstanceOfMatcher) {
            return "instanceOf=" + ((BeanInstanceOfMatcher) matcher).getOfClass();
        }
        if (matcher instanceof BeanPropertiesMatcher) {
            BeanPropertiesMatcher bpm = ((BeanPropertiesMatcher) matcher);
            return bpm.getProperty() + "=" + bpm.getValue();
        }
        return "<unknown>";
    }
}