org.openrewrite.json.ChangeValue Maven / Gradle / Ivy
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/*
* Copyright 2021 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.json;
import lombok.EqualsAndHashCode;
import lombok.Value;
import org.openrewrite.*;
import org.openrewrite.internal.lang.Nullable;
import org.openrewrite.json.tree.Json;
import org.openrewrite.marker.Markers;
import static org.openrewrite.Tree.randomId;
@Value
@EqualsAndHashCode(callSuper = true)
public class ChangeValue extends Recipe {
@Option(displayName = "Key path",
description = "A JsonPath expression to locate a JSON entry.",
example = "$.subjects.kind")
String oldKeyPath;
@Option(displayName = "New value",
description = "The new value to set for the key identified by oldKeyPath.",
example = "'Deployment'")
String value;
@Incubating(since = "7.11.0")
@Option(displayName = "Optional file matcher",
description = "Matching files will be modified. This is a glob expression.",
required = false,
example = "**/application-*.json")
@Nullable
String fileMatcher;
@Override
public String getDisplayName() {
return "Change value";
}
@Override
public String getDescription() {
return "Change a JSON mapping entry value leaving the key intact.";
}
@Override
protected TreeVisitor getSingleSourceApplicableTest() {
if (fileMatcher != null) {
return new HasSourcePath<>(fileMatcher);
}
return null;
}
@Override
public JsonVisitor getVisitor() {
JsonPathMatcher matcher = new JsonPathMatcher(oldKeyPath);
return new JsonIsoVisitor() {
@Override
public Json.Member visitMember(Json.Member member, ExecutionContext executionContext) {
Json.Member m = super.visitMember(member, executionContext);
if (matcher.matches(getCursor()) && (!(m.getValue() instanceof Json.Literal) || !((Json.Literal) m.getValue()).getValue().equals(value))) {
String source = ChangeValue.this.value;
if (source.startsWith("'") || source.startsWith("\"")) {
source = source.substring(1, source.length() - 1);
}
if (!(m.getValue() instanceof Json.Literal) || !((Json.Literal) m.getValue()).getSource().equals(ChangeValue.this.value)) {
m = m.withValue(new Json.Literal(randomId(), m.getValue().getPrefix(), Markers.EMPTY, ChangeValue.this.value, source));
}
}
return m;
}
};
}
}