org.openrewrite.java.search.FindType Maven / Gradle / Ivy
/*
* Copyright 2020 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
*
* https://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.openrewrite.java.search;
import io.micrometer.core.instrument.Tag;
import io.micrometer.core.instrument.Tags;
import org.openrewrite.Tree;
import org.openrewrite.java.AbstractJavaSourceVisitor;
import org.openrewrite.java.JavaSourceVisitor;
import org.openrewrite.java.tree.J;
import org.openrewrite.java.tree.JavaType;
import org.openrewrite.java.tree.NameTree;
import org.openrewrite.java.tree.TypeUtils;
import java.util.Collections;
import java.util.IdentityHashMap;
import java.util.Set;
/**
* Find places where a type is mentioned explicitly, excluding imports.
*/
public class FindType extends AbstractJavaSourceVisitor> {
private final String clazz;
public FindType(String clazz) {
this.clazz = clazz;
setCursoringOn();
}
@Override
public Iterable getTags() {
return Tags.of("type", clazz);
}
@Override
public Set defaultTo(Tree t) {
return Collections.newSetFromMap(new IdentityHashMap<>());
}
@Override
public Set reduce(Set r1, Set r2) {
r1.addAll(r2);
return r1;
}
@Override
public Set visitTypeName(NameTree name) {
JavaType.Class asClass = TypeUtils.asClass(name.getType());
if (asClass != null && asClass.getFullyQualifiedName().equals(clazz) &&
getCursor().firstEnclosing(J.Import.class) == null) {
Set names = defaultTo(name);
names.add(name);
return names;
}
return super.visitTypeName(name);
}
}