com.clickntap.tool.bean.BeanValidator Maven / Gradle / Ivy

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package com.clickntap.tool.bean;

import com.clickntap.tool.script.ScriptEngine;
import org.springframework.validation.Errors;
import org.springframework.validation.Validator;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

@SuppressWarnings("unchecked")
public class BeanValidator implements Validator {
    private BeanInfo beanInfo;

    private ScriptEngine viewEngine;

    private String validationGroup;

    private BeanManager beanManager;

    public BeanValidator(BeanInfo beanInfo, ScriptEngine viewEngine, String validationGroup, BeanManager beanManager) {
        this.beanInfo = beanInfo;
        this.viewEngine = viewEngine;
        this.validationGroup = validationGroup;
        this.beanManager = beanManager;
    }

    public boolean supports(Class clazz) {
        return true;
    }

    public void validate(Object target, Errors errors) {
        Map context = new HashMap();
        try {
            context.put("target", target);
            context.put("this", new BeanErrors(target, errors, beanManager));

            List scriptList = beanInfo.getValidationInfo().getValidationScriptList(validationGroup);
            for (String script : scriptList)
                viewEngine.evalScript(context, script);

        } catch (Exception e) {
            errors.reject("validation", e.getMessage());
        }
    }

}