org.openrewrite.staticanalysis.RemoveSystemOutPrintln Maven / Gradle / Ivy
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/*
* Copyright 2024 the original author or authors.
*
* Licensed under the Moderne Source Available License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://docs.moderne.io/licensing/moderne-source-available-license
*
* 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.openrewrite.staticanalysis;
import org.jspecify.annotations.Nullable;
import org.openrewrite.ExecutionContext;
import org.openrewrite.Preconditions;
import org.openrewrite.Recipe;
import org.openrewrite.TreeVisitor;
import org.openrewrite.java.JavaIsoVisitor;
import org.openrewrite.java.MethodMatcher;
import org.openrewrite.java.search.UsesMethod;
import org.openrewrite.java.tree.J;
public class RemoveSystemOutPrintln extends Recipe {
private static final MethodMatcher SYSTEM_OUT_PRINTLN = new MethodMatcher("java.io.PrintStream println(..)");
@Override
public String getDisplayName() {
return "Remove `System.out#println` statements";
}
@Override
public String getDescription() {
return "Print statements are often left accidentally after debugging an issue.";
}
@Override
public TreeVisitor, ExecutionContext> getVisitor() {
return Preconditions.check(new UsesMethod<>(SYSTEM_OUT_PRINTLN), new JavaIsoVisitor() {
@Override
public J.@Nullable MethodInvocation visitMethodInvocation(J.MethodInvocation method, ExecutionContext ctx) {
if (SYSTEM_OUT_PRINTLN.matches(method)) {
//noinspection DataFlowIssue
return null;
}
return super.visitMethodInvocation(method, ctx);
}
});
}
}