org.codenarc.rule.logging.SystemErrPrintRule.groovy Maven / Gradle / Ivy

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The CodeNarc project provides a static analysis tool for Groovy code.

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/*
 * Copyright 2009 the original author or authors.
 * 
 * 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 org.codenarc.rule.logging

import org.codehaus.groovy.ast.expr.MethodCallExpression
import org.codenarc.rule.AbstractAstVisitorRule
import org.codenarc.rule.AbstractMethodCallExpressionVisitor

/**
 * Rule that checks for calls to System.err.print(), System.err.println()
 * or System.err.printf().
 *
 * @author Chris Mair
  */
class SystemErrPrintRule extends AbstractAstVisitorRule {
    String name = 'SystemErrPrint'
    int priority = 2
    Class astVisitorClass = SystemErrPrintAstVisitor
}

class SystemErrPrintAstVisitor extends AbstractMethodCallExpressionVisitor {

    void visitMethodCallExpression(MethodCallExpression methodCall) {
        if (methodCall.text.startsWith('System.err.print')) {
            addViolation(methodCall, "System.err.$methodCall.methodAsString should be replaced with something more robust")
        }
    }
}