blackboard.sonar.plugins.css.rules.CssRulesRepository.java Source code

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Here is the source code for blackboard.sonar.plugins.css.rules.CssRulesRepository.java

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/*
 * Sonar Css Plugin
 * Copyright (C) 2010 Kevin Weisser
 *
 * 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 blackboard.sonar.plugins.css.rules;

import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.beanutils.BeanUtils;
import org.codehaus.plexus.util.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sonar.api.profiles.RulesProfile;
import org.sonar.api.rules.ActiveRule;
import org.sonar.api.rules.ActiveRuleParam;
import org.sonar.api.rules.AnnotationRuleParser;
import org.sonar.api.rules.Rule;
import org.sonar.api.rules.RuleRepository;
import org.sonar.api.utils.AnnotationUtils;
import org.sonar.api.utils.SonarException;
import org.sonar.check.Cardinality;
import blackboard.sonar.plugins.css.checks.AbstractStyleCheck;
import blackboard.sonar.plugins.css.language.Css;

/**
 * Repository for css rules.
 *
 * @author Kevin Weisser
 * @since 1.0
 */
public final class CssRulesRepository extends RuleRepository {

    private static final Logger LOG = LoggerFactory.getLogger(CssRulesRepository.class);

    public static final String REPOSITORY_NAME = "Css";
    public static final String REPOSITORY_KEY = "Css";

    public CssRulesRepository() {
        super(REPOSITORY_KEY, Css.KEY);
        setName(REPOSITORY_NAME);
    }

    @Override
    public List<Rule> createRules() {
        // In Sonar 2.3, the AnnotationRuleParser cannot be injected in the constructor.
        // It would give an exception for unsatisfiable dependencies.
        AnnotationRuleParser annotationRuleParser = new AnnotationRuleParser();

        List<Rule> rules = annotationRuleParser.parse(REPOSITORY_KEY, CheckClasses.getCheckClasses());
        for (Rule rule : rules) {
            rule.setCardinality(Cardinality.MULTIPLE);
        }
        return rules;
    }

    /**
     * Instantiate checks as defined in the RulesProfile.
     *
     * @param profile
     */
    public static List<AbstractStyleCheck> createChecks(RulesProfile profile) {
        LOG.info("Loading checks for profile " + profile.getName());

        List<AbstractStyleCheck> checks = new ArrayList<AbstractStyleCheck>();

        for (ActiveRule activeRule : profile.getActiveRules()) {
            if (REPOSITORY_KEY.equals(activeRule.getRepositoryKey())) {
                Class<AbstractStyleCheck> checkClass = getCheckClass(activeRule);
                if (checkClass != null) {
                    checks.add(createCheck(checkClass, activeRule));
                }
            }
        }

        return checks;
    }

    private static AbstractStyleCheck createCheck(Class<AbstractStyleCheck> checkClass, ActiveRule activeRule) {

        try {
            AbstractStyleCheck check = checkClass.newInstance();
            check.setRule(activeRule.getRule());
            if (activeRule.getActiveRuleParams() != null) {
                for (ActiveRuleParam param : activeRule.getActiveRuleParams()) {
                    if (!StringUtils.isEmpty(param.getValue())) {
                        LOG.debug("Rule param " + param.getKey() + " = " + param.getValue());
                        BeanUtils.setProperty(check, param.getRuleParam().getKey(), param.getValue());
                    }
                }
            }

            return check;
        } catch (IllegalAccessException e) {
            throw new SonarException(e);
        } catch (InvocationTargetException e) {
            throw new SonarException(e);
        } catch (InstantiationException e) {
            throw new SonarException(e);
        }
    }

    private static Class<AbstractStyleCheck> getCheckClass(ActiveRule activeRule) {
        for (Class<?> checkClass : CheckClasses.getCheckClasses()) {
            org.sonar.check.Rule ruleAnnotation = AnnotationUtils.getClassAnnotation(checkClass,
                    org.sonar.check.Rule.class);

            if (ruleAnnotation.key().equals(activeRule.getConfigKey())) {
                return (Class<AbstractStyleCheck>) checkClass;
            }
        }
        LOG.error("Could not find check class for config key " + activeRule.getConfigKey());
        return null;
    }
}