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MigrateSecurityManagerMulticast.java
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MigrateSecurityManagerMulticast.java
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/*
* Copyright 2021 the original author or authors.
* <p>
* 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
* <p>
* https://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.java.migrate.lang;
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;
import java.util.Collections;
import java.util.Set;
public class MigrateSecurityManagerMulticast extends Recipe {
private static final MethodMatcher MULTICAST_METHOD = new MethodMatcher("java.lang.SecurityManager checkMulticast(java.net.InetAddress, byte)");
@Override
public String getDisplayName() {
return "Use `SecurityManager#checkMulticast(InetAddress)`";
}
@Override
public String getDescription() {
return "Use `SecurityManager#checkMulticast(InetAddress)` instead of the deprecated `SecurityManager#checkMulticast(InetAddress, byte)` in Java 1.4 or higher.";
}
@Override
public Set<String> getTags() {
return Collections.singleton("deprecated");
}
@Override
public TreeVisitor<?, ExecutionContext> getVisitor() {
return Preconditions.check(new UsesMethod<>(MULTICAST_METHOD), new JavaIsoVisitor<ExecutionContext>() {
@Override
public J.MethodInvocation visitMethodInvocation(J.MethodInvocation method, ExecutionContext ctx) {
J.MethodInvocation m = super.visitMethodInvocation(method, ctx);
if (MULTICAST_METHOD.matches(m) && m.getArguments().size() == 2) {
return m.withArguments(Collections.singletonList(m.getArguments().get(0)));
}
return m;
}
});
}
}