jp.skypencil.findbugs.slf4j.StaticLoggerDetector Maven / Gradle / Ivy

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There is a newer version: 1.5.0

package jp.skypencil.findbugs.slf4j;

import org.apache.bcel.classfile.Field;

import com.google.common.base.Objects;

import edu.umd.cs.findbugs.BugInstance;
import edu.umd.cs.findbugs.BugReporter;
import edu.umd.cs.findbugs.bcel.OpcodeStackDetector;

public class StaticLoggerDetector extends OpcodeStackDetector {
    private final BugReporter bugReporter;

    public StaticLoggerDetector(BugReporter bugReporter) {
        this.bugReporter = bugReporter;
    }

    @Override
    public void visit(Field field) {
        if (field.isStatic()
                && Objects.equal(field.getSignature(), "Lorg/slf4j/Logger;")) {
            BugInstance bug = new BugInstance(this,
                    "SLF4J_LOGGER_SHOULD_BE_NON_STATIC", LOW_PRIORITY)
                    .addString(field.getName())
                    .addField(this)
                    .addClass(this);
            bugReporter.reportBug(bug);
        }
    }

    @Override
    public void sawOpcode(int code) {
    }
}