Jsr303Annotator.java 文件源码

private JDefinedClass buildTemplateConstraint(String name) {
    try {
        JDefinedClass tplConstraint = codeModel._class(Config.CFG.getBasePackageName() + ".annot."+name, ClassType.ANNOTATION_TYPE_DECL);
        tplConstraint.annotate(Documented.class);
        tplConstraint.annotate(Retention.class).param("value", RetentionPolicy.RUNTIME);
        tplConstraint.annotate(Target.class).paramArray("value").param(ElementType.TYPE).param(ElementType.ANNOTATION_TYPE).param(ElementType.FIELD).param(ElementType.METHOD);

        // Using direct as I don't know how to build default { } with code model
        tplConstraint.direct("\n" + "    Class<?>[] groups() default {};\n" + "    String message() default \"Invalid value\";\n" + "    Class<? extends Payload>[] payload() default {};\n");

        // Hack to force the import of javax.validation.Payload
        tplConstraint.javadoc().addThrows((JClass) codeModel._ref(Payload.class)).add("Force import");

        return tplConstraint;
    } catch (JClassAlreadyExistsException e) {
        throw new RuntimeException("Tried to create an already existing class: " + name, e);
    }
}