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[Fix #634] Generated classes to not depend on jackson #635

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Merged
merged 7 commits into from
Jul 14, 2025
Merged

[Fix #634] Generated classes to not depend on jackson #635

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96bda08
Bump org.apache.maven.plugins:maven-gpg-plugin from 3.2.7 to 3.2.8
dependabot[bot] Jul 7, 2025
ac3bc67
Bump org.apache.maven.plugins:maven-enforcer-plugin from 3.5.0 to 3.6.0
dependabot[bot] Jul 7, 2025
2403d1a
Bump version.org.junit.jupiter from 5.13.2 to 5.13.3
dependabot[bot] Jul 7, 2025
9ac84ca
Merge branch 'main' of https://github.com/serverlessworkflow/sdk-java…
fjtirado Jul 9, 2025
f6caef4
[Fix #634] Refactoring modules
fjtirado Jul 10, 2025
a7efd23
[Fix #634] Setting up maven plugin
fjtirado Jul 10, 2025
7f62ffd
[Fix #634] Preserving union class order
fjtirado Jul 14, 2025
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111 changes: 51 additions & 60 deletions api/pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -14,29 +14,28 @@

<dependencies>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<groupId>io.serverlessworkflow</groupId>
<artifactId>serverlessworkflow-types</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<groupId>io.serverlessworkflow</groupId>
<artifactId>serverlessworkflow-serialization</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>com.networknt</groupId>
<artifactId>json-schema-validator</artifactId>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<groupId>com.networknt</groupId>
<artifactId>json-schema-validator</artifactId>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.dataformat</groupId>
<artifactId>jackson-dataformat-yaml</artifactId>
</dependency>
<dependency>
<groupId>jakarta.validation</groupId>
<artifactId>jakarta.validation-api</artifactId>
</dependency>

<dependency>
<groupId>org.hibernate.validator</groupId>
<artifactId>hibernate-validator</artifactId>
Expand Down Expand Up @@ -79,54 +78,46 @@
<scope>test</scope>
</dependency>
</dependencies>


<build>
<plugins>
<plugin>
<groupId>org.jsonschema2pojo</groupId>
<artifactId>jsonschema2pojo-maven-plugin</artifactId>
<plugins>

<plugin>
<groupId>io.serverlessworkflow</groupId>
<artifactId>jackson-generator</artifactId>
<version>${project.version}</version>
<dependencies/>
<configuration>
<targetPackage>io.serverlessworkflow.api.types</targetPackage>
</configuration>
<executions>
<execution>
<goals>
<goal>generate</goal>
</goals>
<phase>generate-sources</phase>
</execution>
</executions>
</plugin>
<plugin>
<!-- a hint for IDE's to add the java sources to the classpath -->
<groupId>org.codehaus.mojo</groupId>
<artifactId>build-helper-maven-plugin</artifactId>
<version>3.3.0</version>
<executions>
<execution>
<id>add-mixin</id>
<phase>generate-sources</phase>
<goals>
<goal>add-source</goal>
</goals>
<configuration>
<sourceDirectory>${basedir}/src/main/resources/schema</sourceDirectory>
<!--The comment below is left intentionally in case jsonschema2pojo one day accepts https urls. That day we can remove the file from schema dir and use directly the real schema-->
<!-- <sourcePaths>
<sourcePath>https://raw.githubusercontent.com/serverlessworkflow/specification/main/schema/workflow.yaml</sourcePath>
</sourcePaths> -->
<sourceType>yamlschema</sourceType>
<targetPackage>io.serverlessworkflow.api.types</targetPackage>
<outputDirectory>${project.build.directory}/generated-sources/src/main/java</outputDirectory>
<includeJsr303Annotations>true</includeJsr303Annotations>
<generateBuilders>true</generateBuilders>
<initializeCollections>true</initializeCollections>
<includeAdditionalProperties>true</includeAdditionalProperties>
<includeToString>false</includeToString>
<includeHashcodeAndEquals>false</includeHashcodeAndEquals>
<includeConstructors>true</includeConstructors>
<constructorsRequiredPropertiesOnly>true</constructorsRequiredPropertiesOnly>
<useTitleAsClassname>true</useTitleAsClassname>
<serializable>true</serializable>
<targetVersion>${java.version}</targetVersion>
<usePrimitives>true</usePrimitives>
<useJakartaValidation>true</useJakartaValidation>
<customRuleFactory>io.serverlessworkflow.generator.UnreferencedFactory</customRuleFactory>
<customAnnotator>io.serverlessworkflow.generator.ConstAnnotator</customAnnotator>
<sources>
<source>${project.build.directory}/generated-sources/jacksonmixinpojo</source>
</sources>
</configuration>
<dependencies>
<dependency>
<groupId>io.serverlessworkflow</groupId>
<artifactId>serverless-workflow-custom-generator</artifactId>
<version>${project.version}</version>
</dependency>
</dependencies>
<executions>
<execution>
<goals>
<goal>generate</goal>
</goals>
<phase>generate-sources</phase>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
6 changes: 5 additions & 1 deletion api/src/main/java/io/serverlessworkflow/api/ObjectMapperFactory.java
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Original file line number Diff line number Diff line change
Expand Up @@ -15,11 +15,13 @@
*/
package io.serverlessworkflow.api;

import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
import com.fasterxml.jackson.dataformat.yaml.YAMLGenerator.Feature;
import io.serverlessworkflow.api.types.JacksonMixInModule;
import io.serverlessworkflow.serialization.BeanDeserializerModifierWithValidation;
import io.serverlessworkflow.serialization.URIDeserializer;
import io.serverlessworkflow.serialization.URISerializer;
Expand Down Expand Up @@ -47,10 +49,12 @@ private static ObjectMapper configure(ObjectMapper mapper) {
validationModule.setDeserializerModifier(new BeanDeserializerModifierWithValidation());

return mapper
.setSerializationInclusion(Include.NON_NULL)
.configure(SerializationFeature.INDENT_OUTPUT, true)
.configure(SerializationFeature.WRITE_EMPTY_JSON_ARRAYS, false)
.configure(SerializationFeature.WRITE_NULL_MAP_VALUES, false)
.registerModule(validationModule);
.registerModule(validationModule)
.registerModule(new JacksonMixInModule());
}

private ObjectMapperFactory() {}
Expand Down
6 changes: 6 additions & 0 deletions custom-generator/pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,12 @@
<groupId>org.jsonschema2pojo</groupId>
<artifactId>jsonschema2pojo-core</artifactId>
</dependency>
<dependency>
<groupId>io.serverlessworkflow</groupId>
<artifactId>serverlessworkflow-annotations</artifactId>
<version>${project.version}</version>
</dependency>

</dependencies>
<build>
<plugins>
Expand Down
76 changes: 8 additions & 68 deletions custom-generator/src/main/java/io/serverlessworkflow/generator/AllAnyOneOfSchemaRule.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,9 +16,8 @@
package io.serverlessworkflow.generator;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.sun.codemodel.JAnnotationArrayMember;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JClass;
import com.sun.codemodel.JClassAlreadyExistsException;
Expand All @@ -33,6 +32,9 @@
import com.sun.codemodel.JPackage;
import com.sun.codemodel.JType;
import com.sun.codemodel.JVar;
import io.serverlessworkflow.annotations.OneOfSetter;
import io.serverlessworkflow.annotations.OneOfValueProvider;
import io.serverlessworkflow.annotations.Union;
import jakarta.validation.ConstraintViolationException;
import java.io.UnsupportedEncodingException;
import java.net.URI;
Expand Down Expand Up @@ -316,28 +318,11 @@ private JDefinedClass populateOneOf(
commonType.orElse(definedClass.owner().ref(Object.class)),
ruleFactory.getNameHelper().getPropertyName("value", null),
null);

definedClass._implements(
definedClass
.owner()
.ref(GeneratorUtils.ONE_OF_VALUE_PROVIDER_INTERFACE_NAME)
.narrow(valueField.type()));
definedClass.owner().ref(OneOfValueProvider.class).narrow(valueField.type()));
GeneratorUtils.implementInterface(definedClass, valueField);
try {
JDefinedClass serializer = generateSerializer(definedClass);
definedClass.annotate(JsonSerialize.class).param("using", serializer);
} catch (JClassAlreadyExistsException ex) {
// already serialized aware
}

try {
JDefinedClass deserializer =
generateDeserializer(definedClass, oneOfTypes, "deserializeOneOf");
definedClass.annotate(JsonDeserialize.class).param("using", deserializer);
} catch (JClassAlreadyExistsException ex) {
// already deserialized aware
}

JAnnotationArrayMember unionAnnotation = definedClass.annotate(Union.class).paramArray("value");
oneOfTypes.forEach(t -> unionAnnotation.param(t.getType()));
return wrapAll(parentSchema, definedClass, commonType, oneOfTypes, Optional.of(valueField));
}

Expand Down Expand Up @@ -388,51 +373,6 @@ private static boolean isStringType(JType type) {
return type.name().equals("String");
}

private JDefinedClass generateSerializer(JDefinedClass relatedClass)
throws JClassAlreadyExistsException {
JDefinedClass definedClass = GeneratorUtils.serializerClass(relatedClass);
GeneratorUtils.fillSerializer(
definedClass,
relatedClass,
(method, valueParam, genParam) ->
method
.body()
.staticInvoke(
definedClass.owner().ref(GeneratorUtils.SERIALIZE_HELPER_NAME),
"serializeOneOf")
.arg(genParam)
.arg(valueParam));
return definedClass;
}

private JDefinedClass generateDeserializer(
JDefinedClass relatedClass, Collection<JTypeWrapper> oneOfTypes, String methodName)
throws JClassAlreadyExistsException {
JDefinedClass definedClass = GeneratorUtils.deserializerClass(relatedClass);
GeneratorUtils.fillDeserializer(
definedClass,
relatedClass,
(method, parserParam) -> {
JBlock body = method.body();

body._return(
definedClass
.owner()
.ref(GeneratorUtils.DESERIALIZE_HELPER_NAME)
.staticInvoke(methodName)
.arg(parserParam)
.arg(relatedClass.dotclass())
.arg(list(definedClass, oneOfTypes)));
});
return definedClass;
}

private JInvocation list(JDefinedClass definedClass, Collection<JTypeWrapper> list) {
JInvocation result = definedClass.owner().ref(List.class).staticInvoke("of");
list.forEach(c -> result.arg(((JClass) c.getType()).dotclass()));
return result;
}

private void wrapIt(
Schema parentSchema,
JDefinedClass definedClass,
Expand Down Expand Up @@ -460,7 +400,7 @@ private JVar setupMethod(
v -> {
method.body().assign(JExpr._this().ref(v), methodParam);
method
.annotate(definedClass.owner().ref(GeneratorUtils.SETTER_ANNOTATION_NAME))
.annotate(definedClass.owner().ref(OneOfSetter.class))
.param("value", instanceField.type());
});
return methodParam;
Expand Down
10 changes: 8 additions & 2 deletions ...essworkflow/generator/ConstAnnotator.java → ...ssworkflow/generator/CustomAnnotator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -18,18 +18,24 @@
import com.fasterxml.jackson.databind.JsonNode;
import com.sun.codemodel.JDefinedClass;
import com.sun.codemodel.JFieldVar;
import io.serverlessworkflow.annotations.AdditionalProperties;
import jakarta.validation.constraints.Pattern;
import org.jsonschema2pojo.AbstractAnnotator;
import org.jsonschema2pojo.GenerationConfig;

public class ConstAnnotator extends AbstractAnnotator {
public class CustomAnnotator extends AbstractAnnotator {

private static final String CONST = "const";

public ConstAnnotator(GenerationConfig generationConfig) {
public CustomAnnotator(GenerationConfig generationConfig) {
super(generationConfig);
}

@Override
public void additionalPropertiesField(JFieldVar field, JDefinedClass clazz, String propertyName) {
clazz.annotate(AdditionalProperties.class);
}

@Override
public void propertyField(
JFieldVar field, JDefinedClass clazz, String propertyName, JsonNode propertyNode) {
Expand Down
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