io.vrap.codegen.languages.javalang.client.builder.producers.JavaModelClassFileProducer.kt Maven / Gradle / Ivy
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RAML API client code generators based on the REST Modeling Framework. https://github.com/vrapio/rest-modeling-framework
package io.vrap.codegen.languages.javalang.client.builder.producers
import com.google.common.collect.Lists
import io.vrap.codegen.languages.extensions.isPatternProperty
import io.vrap.codegen.languages.extensions.toComment
import io.vrap.codegen.languages.java.base.JavaSubTemplates
import io.vrap.codegen.languages.java.base.extensions.*
import io.vrap.rmf.codegen.di.AllObjectTypes
import io.vrap.rmf.codegen.io.TemplateFile
import io.vrap.rmf.codegen.rendering.FileProducer
import io.vrap.rmf.codegen.rendering.utils.escapeAll
import io.vrap.rmf.codegen.rendering.utils.keepIndentation
import io.vrap.rmf.codegen.types.VrapArrayType
import io.vrap.rmf.codegen.types.VrapObjectType
import io.vrap.rmf.codegen.types.VrapTypeProvider
import io.vrap.rmf.raml.model.types.*
import io.vrap.rmf.raml.model.types.Annotation
class JavaModelClassFileProducer constructor(override val vrapTypeProvider: VrapTypeProvider, @AllObjectTypes private val allObjectTypes: List) : JavaObjectTypeExtensions, JavaEObjectTypeExtensions, FileProducer {
override fun produceFiles(): List {
return allObjectTypes.filter{!it.deprecated()}.map { render(it) }
}
fun render(type: ObjectType): TemplateFile {
val vrapType = vrapTypeProvider.doSwitch(type).toJavaVType() as VrapObjectType
val implements = Lists.newArrayList(vrapType.simpleClassName, "ModelBase")
.plus(
when (val ex = type.getAnnotation("java-impl-implements") ) {
is Annotation -> {
(ex.value as StringInstance).value.escapeAll()
}
else -> null
}
)
.filterNotNull()
val content = """
|package ${vrapType.`package`.toJavaPackage()};
|
|${type.imports()}
|import io.vrap.rmf.base.client.utils.Generated;
|import io.vrap.rmf.base.client.ModelBase;
|import javax.validation.Valid;
|import javax.validation.constraints.NotNull;
|import java.util.*;
|import java.time.*;
|
|import com.fasterxml.jackson.core.JsonProcessingException;
|import com.fasterxml.jackson.databind.annotation.*;
|import com.fasterxml.jackson.annotation.JsonCreator;
|import com.fasterxml.jackson.annotation.JsonIgnore;
|import com.fasterxml.jackson.annotation.JsonInclude;
|import com.fasterxml.jackson.annotation.JsonProperty;
|import org.apache.commons.lang3.builder.EqualsBuilder;
|import org.apache.commons.lang3.builder.HashCodeBuilder;
|import org.apache.commons.lang3.builder.ToStringBuilder;
|import org.apache.commons.lang3.builder.ToStringStyle;
|
|/**
|${type.toComment(" * ${vrapType.simpleClassName}").escapeAll()}
| */
|<${JavaSubTemplates.generatedAnnotation}>${if (type.markDeprecated()) """
|@Deprecated""" else ""}
|public class ${vrapType.simpleClassName}Impl implements ${implements.joinToString(separator = ", ")} {
|
| <${type.beanFields().escapeAll()}>
|
| <${type.constructors().escapeAll()}>
|
| <${type.getters().escapeAll()}>
|
| <${type.setters().escapeAll()}>
|
| <${type.equalsMethod().escapeAll()}>
|
| <${type.getAnnotation("java-impl-mixin")?.value?.value?.let { (it as String).escapeAll()} ?: ""}>
|}
""".trimMargin().keepIndentation()
return TemplateFile(
relativePath = "${vrapType.`package`}.${vrapType.simpleClassName}Impl".replace(".", "/") + ".java",
content = content
)
}
private fun Property.toJavaField(): String {
val vrapType = this.type.toVrapType()
return if (this.isPatternProperty()) {
"""
|${this.deprecationAnnotation()}
|private Map values;""".trimMargin()
} else {
if(this.name.equals("interface")) {
"""
|${this.deprecationAnnotation()}
|private ${vrapType.fullClassName()} _interface;""".trimMargin()
} else {
"""
|${this.deprecationAnnotation()}
|private ${vrapType.fullClassName()} ${this.name.lowerCamelCase()};""".trimMargin()
}
}
}
private fun ObjectType.equalsMethod() : String {
val vrapType = vrapTypeProvider.doSwitch(this).toJavaVType() as VrapObjectType
return """
|@Override
|public boolean equals(Object o) {
| if (this == o) return true;
|
| if (o == null || getClass() != o.getClass()) return false;
|
| ${vrapType.simpleClassName}Impl that = (${vrapType.simpleClassName}Impl) o;
|
| return new EqualsBuilder()
| <${this.allProperties.filterNot { it.deprecated() }.joinToString("\n") { it.equalsMethod() }}>
| <${this.allProperties.filterNot { it.deprecated() }.joinToString("\n") { it.equalsMethod() }}>
| .isEquals();
|}
|
|@Override
|public int hashCode() {
| return new HashCodeBuilder(17, 37)
| <${this.allProperties.filterNot { it.deprecated() }.joinToString("\n") { it.hashMethod() }}>
| .toHashCode();
|}
|
|@Override
|public String toString() {
| return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE)
| <${this.allProperties.filterNot { it.deprecated() }.joinToString("\n") { it.toStringMethod() }}>
| .build();
|}
""".trimMargin().keepIndentation()
}
private fun Property.equalsMethod(): String {
return if (this.isPatternProperty()) {
".append(values, that.values)"
} else if (this.name.equals("interface")) {
".append(_interface, that._interface)"
} else {
".append(${this.name.lowerCamelCase()}, that.${this.name.lowerCamelCase()})"
}
}
private fun Property.hashMethod(): String {
return if (this.isPatternProperty()) {
".append(values)"
} else if (this.name.equals("interface")) {
".append(_interface)"
} else {
".append(${this.name.lowerCamelCase()})"
}
}
private fun Property.toStringMethod(): String {
return if (this.isPatternProperty()) {
".append(\"values\", values)"
} else if (this.name.equals("interface")) {
".append(\"interface\", _interface)"
} else {
".append(\"${this.name.lowerCamelCase()}\", ${this.name.lowerCamelCase()})"
}
}
private fun ObjectType.beanFields() = this.allProperties
.filterNot { it.deprecated() }
.map { it.toJavaField() }.joinToString(separator = "\n\n")
private fun ObjectType.setters() = this.allProperties
.filterNot { it.deprecated() }
.filter { it.name != this.discriminator() }
.map { it.setter() }
.joinToString(separator = "\n\n")
private fun ObjectType.getters() = this.allProperties
.filterNot { it.deprecated() }
.map { it.getter() }
.joinToString(separator = "\n\n")
private fun Property.setter(): String {
val vrapType = this.type.toVrapType()
return if (this.isPatternProperty()) {
"""
|${this.deprecationAnnotation()}
|public void setValue(String key, ${vrapType.fullClassName()} value) {
| if (values == null) {
| values = new HashMap<>();
| }
| values.put(key, value);
|}
""".trimMargin()
} else if(this.name.equals("interface")) {
"""
|${this.deprecationAnnotation()}
|public void setInterface(final ${vrapType.fullClassName()} _interface) {
| this._interface = _interface;
|}
""".trimMargin()
} else if (vrapType is VrapArrayType) {
"""
|${this.deprecationAnnotation()}
|public void set${this.name.upperCamelCase()}(final ${vrapType.itemType.fullClassName()} ...${this.name.lowerCamelCase()}){
| this.${this.name.lowerCamelCase()} = new ArrayList<>(Arrays.asList(${this.name.lowerCamelCase()}));
|}
|
|${this.deprecationAnnotation()}
|public void set${this.name.upperCamelCase()}(final ${vrapType.fullClassName()} ${this.name.lowerCamelCase()}){
| this.${this.name.lowerCamelCase()} = ${this.name.lowerCamelCase()};
|}
""".trimMargin()
} else if (this.type is UnionType) {
(this.type as UnionType).oneOf
.map { anyType -> """
|${this.deprecationAnnotation()}
|@JsonIgnore
|public void set${this.name.upperCamelCase()}(final ${anyType.toVrapType().simpleName()} ${this.name.lowerCamelCase()}) {
| this.${this.name.lowerCamelCase()} = ${this.name.lowerCamelCase()};
}""".trimMargin() }
.plus("""
|${this.deprecationAnnotation()}
|public void set${this.name.upperCamelCase()}(final ${vrapType.fullClassName()} ${this.name.lowerCamelCase()}){
| this.${this.name.lowerCamelCase()} = ${this.name.lowerCamelCase()};
|}
""".trimMargin())
.joinToString("\n");
} else {
"""
|${this.deprecationAnnotation()}
|public void set${this.name.upperCamelCase()}(final ${vrapType.fullClassName()} ${this.name.lowerCamelCase()}){
| this.${this.name.lowerCamelCase()} = ${this.name.lowerCamelCase()};
|}
""".trimMargin()
}
}
private fun Property.getter(): String {
val vrapType = this.type.toVrapType()
return if (this.isPatternProperty()) {
"""
|/**
|${this.type.toComment(" *")}
| */
|${this.deprecationAnnotation()}
|public Map values() {
| return values;
|}
""".trimMargin()
} else if(this.name.equals("interface")) {
"""
|/**
|${this.type.toComment(" *")}
| */
|${this.deprecationAnnotation()}
|public ${vrapType.fullClassName()} getInterface() {
| return this._interface;
|}
""".trimMargin()
} else {
"""
|/**
|${this.type.toComment(" *")}
| */
|${this.deprecationAnnotation()}
|public ${vrapType.fullClassName()} get${this.name.upperCamelCase()}(){
| return this.${this.name.lowerCamelCase()};
|}
""".trimMargin()
}
}
private fun ObjectType.constructors(): String {
val vrapType = vrapTypeProvider.doSwitch(this).toJavaVType() as VrapObjectType
val constructorArguments = this.allProperties
.filterNot { it.deprecated() }
.filterNot { it.name == this.discriminator() && this.discriminatorValue != null}
.map {
if(it.isPatternProperty()) {
"@JsonProperty(\"values\") final Map values"
}else if(it.name.equals("interface")) {
"@JsonProperty(\"${it.name.lowerCamelCase()}\") final ${it.type.toVrapType().fullClassName()} _interface"
} else {
"@JsonProperty(\"${it.name}\") final ${it.type.toVrapType().fullClassName()} ${it.name.lowerCamelCase()}"
}
}
.joinToString(separator = ", ")
val propertiesAssignment : String = this.allProperties
.filterNot { it.deprecated() }
.filterNot { it.name == this.discriminator() && this.discriminatorValue != null }
.map {
if(it.isPatternProperty()){
"this.values = values;"
} else if (it.name.equals("interface")){
"this._interface = _interface;"
} else {
"this.${it.name.lowerCamelCase()} = ${it.name.lowerCamelCase()};"
}
}
.joinToString(separator = "\n")
val discriminatorAssignment =
if(this.discriminator() != null && this.discriminatorValue != null) {
val enumName : String = this.allProperties.filter { it.name == this.discriminator() }.get(0).type.toVrapType().simpleName()
if(enumName != "String"){
"this.${this.discriminator()} = $enumName.findEnum(\"${this.discriminatorValue}\");"
}else{
"this.${this.discriminator()} = ${this.discriminatorValue.enumValueName()};"
}
} else {
""
}
val emptyConstructor : String = """
|/**
| * create empty instance
| */
|public ${vrapType.simpleClassName}Impl() {
| <$discriminatorAssignment>
|}
""".trimMargin()
return """
|/**
| * create instance with all properties
| */
|@JsonCreator
|${if(constructorArguments.isEmpty()) "public " else ""}${vrapType.simpleClassName}Impl(${constructorArguments.escapeAll()}) {
| <$propertiesAssignment>
| <$discriminatorAssignment>
|}
|${if(constructorArguments.isEmpty()) "" else emptyConstructor }
""".trimMargin().keepIndentation()
}
private fun ObjectType.markDeprecated() : Boolean {
val anno = this.getAnnotation("markDeprecated")
return (anno != null && (anno.value as BooleanInstance).value)
}
private fun ObjectType.deprecated() : Boolean {
val anno = this.getAnnotation("deprecated")
return (anno != null && (anno.value as BooleanInstance).value)
}
}