org.openrewrite.java.search.FindFields 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.tree.J;
import org.openrewrite.java.tree.TypeUtils;
import java.util.List;
import static java.util.Collections.emptyList;
import static java.util.Collections.singletonList;
public class FindFields extends AbstractJavaSourceVisitor> {
private final String fullyQualifiedName;
public FindFields(String fullyQualifiedName) {
this.fullyQualifiedName = fullyQualifiedName;
}
@Override
public Iterable getTags() {
return Tags.of("type", fullyQualifiedName);
}
@Override
public List defaultTo(Tree t) {
return emptyList();
}
@Override
public List visitMultiVariable(J.VariableDecls multiVariable) {
if(multiVariable.getTypeExpr() instanceof J.MultiCatch) {
return emptyList();
}
if(multiVariable.getTypeExpr() != null && TypeUtils.hasElementType(multiVariable.getTypeExpr().getType(), fullyQualifiedName)) {
return singletonList(multiVariable);
}
return emptyList();
}
}