擴展說明

參數(shù)驗證擴展點。

擴展接口

org.apache.dubbo.validation.Validation

擴展配置

<dubbo:service validation="xxx,yyy" />
<!-- 缺省值設置，當<dubbo:service>沒有配置validation屬性時，使用此配置 -->
<dubbo:provider validation="xxx,yyy" />

已知擴展

org.apache.dubbo.validation.support.jvalidation.JValidation

擴展示例

Maven 項目結(jié)構(gòu)：

src
 |-main
    |-java
        |-com
            |-xxx
                |-XxxValidation.java (實現(xiàn)Validation接口)
    |-resources
        |-META-INF
            |-dubbo
                |-org.apache.dubbo.validation.Validation (純文本文件，內(nèi)容為：xxx=com.xxx.XxxValidation)

XxxValidation.java：

package com.xxx;
 
import org.apache.dubbo.validation.Validation;
 
public class XxxValidation implements Validation {
    public Object getValidator(URL url) {
        // ...
    }
}

XxxValidator.java：

package com.xxx;
 
import org.apache.dubbo.validation.Validator;
 
public class XxxValidator implements Validator {
    public XxxValidator(URL url) {
        // ...
    }
    public void validate(Invocation invocation) throws Exception {
        // ...
    }
}

META-INF/dubbo/org.apache.dubbo.validation.Validation：

xxx=com.xxx.XxxValidation