GradleResolveVisitor.java 文件源码

public void visitAnnotations(AnnotatedNode node) {
    List<AnnotationNode> annotations = node.getAnnotations();
    if (annotations.isEmpty()) {
        return;
    }
    Map<String, AnnotationNode> tmpAnnotations = new HashMap<String, AnnotationNode>();
    ClassNode annType;
    for (AnnotationNode an : annotations) {
        // skip built-in properties
        if (an.isBuiltIn()) {
            continue;
        }
        annType = an.getClassNode();
        resolveOrFail(annType, ",  unable to find class for annotation", an);
        for (Map.Entry<String, Expression> member : an.getMembers().entrySet()) {
            Expression newValue = transform(member.getValue());
            newValue = transformInlineConstants(newValue);
            member.setValue(newValue);
            checkAnnotationMemberValue(newValue);
        }
        if (annType.isResolved()) {
            Class annTypeClass = annType.getTypeClass();
            Retention retAnn = (Retention) annTypeClass.getAnnotation(Retention.class);
            if (retAnn != null && retAnn.value().equals(RetentionPolicy.RUNTIME)) {
                AnnotationNode anyPrevAnnNode = tmpAnnotations.put(annTypeClass.getName(), an);
                if (anyPrevAnnNode != null) {
                    addError("Cannot specify duplicate annotation on the same member : " + annType.getName(), an);
                }
            }
        }
    }
}