Validation Extension

Validation Extension

Extension Description

Parameter validation extension point.

Extension Interface

org.apache.dubbo.validation.Validation

Extension Configuration

<dubbo:service validation="xxx,yyy" />
<!-- Default value setting, when <dubbo:service> does not configure the validation attribute, use this configuration -->
<dubbo:provider validation="xxx,yyy" />

Known Extensions

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

Extension Examples

Maven project structure:

src
 |-main
    |-java
        |-com
            |-xxx
                |-XxxValidation.java (implements Validation interface)
    |-resources
        |-META-INF
            |-dubbo
                |-org.apache.dubbo.validation.Validation (plain text file, content: 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

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Last modified September 30, 2024: Update & Translate Overview Docs (#3040) (d37ebceaea7)