org.openrewrite.maven.AddProperty Maven / Gradle / Ivy

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/*
 * Copyright 2022 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.maven;

import lombok.EqualsAndHashCode;
import lombok.Value;
import org.jspecify.annotations.Nullable;
import org.openrewrite.ExecutionContext;
import org.openrewrite.Option;
import org.openrewrite.Recipe;
import org.openrewrite.TreeVisitor;
import org.openrewrite.xml.tree.Xml;

import java.util.Optional;

@Value
@EqualsAndHashCode(callSuper = false)
public class AddProperty extends Recipe {

    @Option(displayName = "Key",
            description = "The name of the property key to be added.",
            example = "junit.version")
    String key;

    @Option(displayName = "Value",
            description = "The value of property to be added.",
            example = "4.13")
    String value;

    @Option(displayName = "Preserve existing value",
            description = "Preserve previous value if the property already exists in the pom file.",
            required = false)
    @Nullable
    Boolean preserveExistingValue;

    @Option(displayName = "Trust parent POM",
            description = "If the parent defines a property with the same key, trust it even if the value isn't the same. " +
                          "Useful when you want to wait for the parent to have its value changed first. The parent is not trusted by default.",
            required = false)
    @Nullable
    Boolean trustParent;

    @Override
    public String getDisplayName() {
        return "Add Maven project property";
    }

    @Override
    public String getInstanceNameSuffix() {
        return String.format("`%s=%s`", key, value);
    }

    @Override
    public String getDescription() {
        return "Add a new property to the Maven project property. " +
               "Prefers to add the property to the parent if the project has multiple modules.";
    }

    @Override
    public TreeVisitor getVisitor() {
        final String keyToReplace = key.replace("${", "").replace("}", "");
        return new MavenIsoVisitor() {
            @Override
            public Xml.Document visitDocument(Xml.Document document, ExecutionContext ctx) {
                String parentValue = getResolutionResult().getPom().getRequested().getProperties().get(key);
                if ((Boolean.TRUE.equals(trustParent) && (parentValue == null || value.equals(parentValue))) ||
                        value.equals(getResolutionResult().getPom().getProperties().get(key))) {
                    return document;
                }

                // If there is a parent pom in the same project, update the property there instead
                if (document.getRoot().getChild("parent")
                        .flatMap(tag -> tag.getChild("relativePath"))
                        .flatMap(Xml.Tag::getValue)
                        .flatMap(v -> v.trim().isEmpty() ? Optional.empty() : Optional.of(v))
                        .isPresent()) {
                    if (Boolean.TRUE.equals(preserveExistingValue)) {
                        return document;
                    }
                    // If the property is expected to be in the parent, there's no need for it in the child pom
                    return (Xml.Document) new RemoveProperty(key).getVisitor()
                            .visitNonNull(document, ctx);
                }
                return (Xml.Document) new AddPropertyVisitor(keyToReplace, value, preserveExistingValue)
                        .visitNonNull(document, ctx);
            }
        };
    }
}