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/*
 * Copyright © 2015 Stefan Niederhauser ([email protected])
 *
 * 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 guru.nidi.codeassert.pmd;

import guru.nidi.codeassert.util.ResultMatcher;
import net.sourceforge.pmd.Rule;
import net.sourceforge.pmd.RuleViolation;
import org.hamcrest.Description;

import static java.lang.System.lineSeparator;

public class PmdMatcher extends ResultMatcher {
    public void describeTo(Description description) {
        description.appendText("Has no PMD issues");
    }

    @Override
    protected void describeMismatchSafely(PmdResult item, Description description) {
        for (final RuleViolation violation : item.findings()) {
            description.appendText(lineSeparator()).appendText(printViolation(violation));
        }
    }

    private String printViolation(RuleViolation viol) {
        final Rule rule = viol.getRule();
        return String.format("%-11s %-45s %s:%d    %s",
                rule.getPriority(), rule.getName(), viol.getFilename(), viol.getBeginLine(), viol.getDescription());
    }
}