Jakarta Namespace

# List all files with javax imports that need migration (excludes JDK packages)
grep -r "import javax\." --include="*.java" . | grep -v "javax.sql" | grep -v "javax.crypto" | grep -v "javax.net"

# Replace javax.persistence with jakarta.persistence
find . -name "*.java" -type f -exec sed -i 's/import javax\.persistence/import jakarta.persistence/g' {} +

# Replace javax.validation with jakarta.validation
find . -name "*.java" -type f -exec sed -i 's/import javax\.validation/import jakarta.validation/g' {} +

# Replace javax.servlet with jakarta.servlet
find . -name "*.java" -type f -exec sed -i 's/import javax\.servlet/import jakarta.servlet/g' {} +

# Replace javax.annotation (common ones used in Spring)
find . -name "*.java" -type f -exec sed -i 's/import javax\.annotation\.PostConstruct/import jakarta.annotation.PostConstruct/g' {} +
find . -name "*.java" -type f -exec sed -i 's/import javax\.annotation\.PreDestroy/import jakarta.annotation.PreDestroy/g' {} +
find . -name "*.java" -type f -exec sed -i 's/import javax\.annotation\.Resource/import jakarta.annotation.Resource/g' {} +

# Replace javax.transaction with jakarta.transaction
find . -name "*.java" -type f -exec sed -i 's/import javax\.transaction/import jakarta.transaction/g' {} +

# Replace wildcard imports
find . -name "*.java" -type f -exec sed -i 's/import javax\.persistence\.\*/import jakarta.persistence.*/g' {} +
find . -name "*.java" -type f -exec sed -i 's/import javax\.validation\.\*/import jakarta.validation.*/g' {} +
find . -name "*.java" -type f -exec sed -i 's/import javax\.servlet\.\*/import jakarta.servlet.*/g' {} +

// BEFORE (Spring Boot 2.x) - WILL NOT COMPILE in Spring Boot 3
import javax.persistence.Entity;
import javax.persistence.Table;
import javax.persistence.Id;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;

@Entity
@Table(name = "users")
public class User {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
}

// AFTER (Spring Boot 3.x) - REQUIRED
import jakarta.persistence.Entity;
import jakarta.persistence.Table;
import jakarta.persistence.Id;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;

@Entity
@Table(name = "users")
public class User {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
}

// BEFORE
import javax.validation.constraints.Email;
import javax.validation.constraints.NotBlank;
import javax.validation.Valid;

// AFTER
import jakarta.validation.constraints.Email;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.Valid;

// BEFORE
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

// AFTER
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

# These commands should return NO results after migration
grep -r "import javax\.persistence" --include="*.java" .
grep -r "import javax\.validation" --include="*.java" .
grep -r "import javax\.servlet" --include="*.java" .

# Combined check for all Java EE packages
grep -r "import javax\." --include="*.java" . | grep -E "(persistence|validation|servlet|transaction|annotation\.(PostConstruct|PreDestroy|Resource))"

# These MUST return results showing your migrated classes
grep -r "import jakarta\.persistence" --include="*.java" .
grep -r "import jakarta\.validation" --include="*.java" .

<!-- Add to pom.xml plugins section -->
<plugin>
    <groupId>org.openrewrite.maven</groupId>
    <artifactId>rewrite-maven-plugin</artifactId>
    <version>5.42.0</version>
    <configuration>
        <activeRecipes>
            <recipe>org.openrewrite.java.migrate.jakarta.JavaxMigrationToJakarta</recipe>
        </activeRecipes>
    </configuration>
    <dependencies>
        <dependency>
            <groupId>org.openrewrite.recipe</groupId>
            <artifactId>rewrite-migrate-java</artifactId>
            <version>2.26.0</version>
        </dependency>
    </dependencies>
</plugin>

mvn rewrite:run