org.openrewrite.java.jackson.codehaus.JsonIncludeAnnotation Maven / Gradle / Ivy
/*
* Copyright 2024 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.jackson.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.jackson.codehaus;
import org.openrewrite.ExecutionContext;
import org.openrewrite.Preconditions;
import org.openrewrite.Recipe;
import org.openrewrite.TreeVisitor;
import org.openrewrite.internal.ListUtils;
import org.openrewrite.internal.lang.Nullable;
import org.openrewrite.java.AnnotationMatcher;
import org.openrewrite.java.JavaParser;
import org.openrewrite.java.JavaTemplate;
import org.openrewrite.java.JavaVisitor;
import org.openrewrite.java.search.UsesType;
import org.openrewrite.java.tree.J;
import java.util.Comparator;
import java.util.concurrent.atomic.AtomicReference;
public class JsonIncludeAnnotation extends Recipe {
private static final String ORG_CODEHAUS_JACKSON_MAP_ANNOTATE_JSON_SERIALIZE = "org.codehaus.jackson.map.annotate.JsonSerialize";
private static final String COM_FASTERXML_JACKSON_ANNOTATION_JSON_INCLUDE = "com.fasterxml.jackson.annotation.JsonInclude";
@Override
public String getDisplayName() {
return "Migrate to Jackson `@JsonInclude`";
}
@Override
public String getDescription() {
return "Move Codehaus' `@JsonSerialize.include` argument to FasterXMLs `@JsonInclude` annotation.";
}
@Override
public TreeVisitor, ExecutionContext> getVisitor() {
return Preconditions.check(
Preconditions.and(
new UsesType<>(ORG_CODEHAUS_JACKSON_MAP_ANNOTATE_JSON_SERIALIZE, false),
Preconditions.not(new UsesType<>(COM_FASTERXML_JACKSON_ANNOTATION_JSON_INCLUDE, false))
),
new IntroduceJsonIncludeVisitor());
}
private static class IntroduceJsonIncludeVisitor extends JavaVisitor {
@Override
public J visitClassDeclaration(J.ClassDeclaration decl, ExecutionContext ctx) {
J.ClassDeclaration cd = (J.ClassDeclaration) super.visitClassDeclaration(decl, ctx);
// Loop over annotations and extract the include argument from the old JsonSerialize annotation
AtomicReference includeArgument = new AtomicReference<>();
cd = cd.withLeadingAnnotations(ListUtils.map(cd.getLeadingAnnotations(),
ann -> mapAnnotation(ann, includeArgument)));
// Add the new JsonInclude annotation with the include argument
if (includeArgument.get() != null) {
cd = JavaTemplate.builder("@JsonInclude(value = JsonInclude.Include." + includeArgument.get() + ")")
.imports(COM_FASTERXML_JACKSON_ANNOTATION_JSON_INCLUDE)
.javaParser(JavaParser.fromJavaVersion().classpathFromResources(ctx, "jackson-annotations"))
.build()
.apply(updateCursor(cd), cd.getCoordinates().addAnnotation(Comparator.comparing(J.Annotation::getSimpleName)));
maybeAddImport(COM_FASTERXML_JACKSON_ANNOTATION_JSON_INCLUDE);
}
return cd;
}
@Override
public J visitMethodDeclaration(J.MethodDeclaration decl, ExecutionContext ctx) {
J.MethodDeclaration md = (J.MethodDeclaration) super.visitMethodDeclaration(decl, ctx);
// Loop over annotations and extract the include argument from the old JsonSerialize annotation
AtomicReference includeArgument = new AtomicReference<>();
md = md.withLeadingAnnotations(ListUtils.map(md.getLeadingAnnotations(),
ann -> mapAnnotation(ann, includeArgument)));
// Add the new JsonInclude annotation with the include argument
if (includeArgument.get() != null) {
md = JavaTemplate.builder("@JsonInclude(value = JsonInclude.Include." + includeArgument.get() + ")")
.imports(COM_FASTERXML_JACKSON_ANNOTATION_JSON_INCLUDE)
.javaParser(JavaParser.fromJavaVersion().classpathFromResources(ctx, "jackson-annotations"))
.build()
.apply(updateCursor(md), md.getCoordinates().addAnnotation(Comparator.comparing(J.Annotation::getSimpleName)));
maybeAddImport(COM_FASTERXML_JACKSON_ANNOTATION_JSON_INCLUDE);
}
return md;
}
@Override
public J visitVariableDeclarations(J.VariableDeclarations decl, ExecutionContext ctx) {
J.VariableDeclarations vd = (J.VariableDeclarations) super.visitVariableDeclarations(decl, ctx);
// Loop over annotations and extract the include argument from the old JsonSerialize annotation
AtomicReference includeArgument = new AtomicReference<>();
vd = vd.withLeadingAnnotations(ListUtils.map(vd.getLeadingAnnotations(),
ann -> mapAnnotation(ann, includeArgument)));
// Add the new JsonInclude annotation with the include argument
if (includeArgument.get() != null) {
vd = JavaTemplate.builder("@JsonInclude(value = JsonInclude.Include." + includeArgument.get() + ")")
.imports(COM_FASTERXML_JACKSON_ANNOTATION_JSON_INCLUDE)
.javaParser(JavaParser.fromJavaVersion().classpathFromResources(ctx, "jackson-annotations"))
.build()
.apply(updateCursor(vd), vd.getCoordinates().addAnnotation(Comparator.comparing(J.Annotation::getSimpleName)));
maybeAddImport(COM_FASTERXML_JACKSON_ANNOTATION_JSON_INCLUDE);
}
return vd;
}
private final AnnotationMatcher annotationMatcher = new AnnotationMatcher("@" + ORG_CODEHAUS_JACKSON_MAP_ANNOTATE_JSON_SERIALIZE, false);
@Nullable
private J.Annotation mapAnnotation(J.Annotation ann, AtomicReference includeArgument) {
if (!annotationMatcher.matches(ann)) {
return ann;
}
// Strip out the include argument from the old JsonSerialize annotation
ann = ann.withArguments(ListUtils.map(ann.getArguments(), arg -> {
J.Assignment assignment = (J.Assignment) arg;
J.Identifier variable = (J.Identifier) assignment.getVariable();
if (!"include".equals(variable.getSimpleName())) {
return arg;
}
// Extract the include argument value as String for the new JsonInclude annotation
J right = assignment.getAssignment();
if (right instanceof J.FieldAccess) {
includeArgument.set(((J.FieldAccess) right).getName().getSimpleName());
} else if (right instanceof J.Identifier) {
includeArgument.set(((J.Identifier) right).getSimpleName());
}
maybeRemoveImport(ORG_CODEHAUS_JACKSON_MAP_ANNOTATE_JSON_SERIALIZE + ".Inclusion");
maybeRemoveImport(ORG_CODEHAUS_JACKSON_MAP_ANNOTATE_JSON_SERIALIZE + ".Inclusion." + includeArgument.get());
return null;
}));
// If arguments are now empty remove the entire annotation
if (ann.getArguments() == null || ann.getArguments().isEmpty()) {
maybeRemoveImport(ORG_CODEHAUS_JACKSON_MAP_ANNOTATE_JSON_SERIALIZE);
return null;
}
return ann;
}
}
}