private emitBuilderSetter()

in packages/jsii-pacmak/lib/targets/java.ts [2290:2351]
57 lines of code
10 McCabe index (conditional complexity)

  private emitBuilderSetter(
    prop: JavaProp,
    builderName: string,
    parentType: spec.InterfaceType,
  ) {
    for (const type of prop.javaTypes) {
      this.code.line();
      this.code.line('/**');
      this.code.line(
        ` * Sets the value of {@link ${parentType.name}#${getterFor(
          prop.fieldName,
        )}}`,
      );
      const summary = prop.docs?.summary ?? 'the value to be set';
      this.code.line(
        ` * ${paramJavadoc(prop.fieldName, prop.nullable, summary)}`,
      );
      if (prop.docs?.remarks != null) {
        const indent = ' '.repeat(7 + prop.fieldName.length);
        const remarks = myMarkDownToJavaDoc(
          this.convertSamplesInMarkdown(prop.docs.remarks, {
            api: 'member',
            fqn: prop.definingType.fqn,
            memberName: prop.jsiiName,
          }),
        ).trimRight();
        for (const line of remarks.split('\n')) {
          this.code.line(` * ${indent} ${line}`);
        }
      }
      this.code.line(' * @return {@code this}');
      if (prop.docs?.deprecated) {
        this.code.line(` * @deprecated ${prop.docs.deprecated}`);
      }
      this.code.line(' */');
      this.emitStabilityAnnotations(prop.spec);
      // We add an explicit cast if both types are generic but they are not identical (one is covariant, the other isn't)
      const explicitCast =
        type.includes('<') &&
        prop.fieldJavaType.includes('<') &&
        type !== prop.fieldJavaType
          ? `(${prop.fieldJavaType})`
          : '';
      if (explicitCast !== '') {
        // We'll be doing a safe, but unchecked cast, so suppress that warning
        this.code.line('@SuppressWarnings("unchecked")');
      }
      this.code.openBlock(
        `public ${builderName} ${prop.fieldName}(${type} ${prop.fieldName})`,
      );
      this.code.line(
        `this.${prop.fieldName} = ${explicitCast}${prop.fieldName};`,
      );
      this.code.line('return this;');
      this.code.closeBlock();
    }

    function getterFor(fieldName: string): string {
      const [first, ...rest] = fieldName;
      return `get${first.toUpperCase()}${rest.join('')}`;
    }
  }