struts使用自定义validator

最新推荐文章于 2018-07-25 20:59:14 发布

原创最新推荐文章于 2018-07-25 20:59:14 发布 · 190 阅读

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本文介绍了一个用于Struts2框架的密码强度验证器实现，该验证器通过正则表达式检查密码是否包含数字、字母及特殊字符。此外，还支持自定义特殊字符集。

validators.xml:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE validators PUBLIC
		"-//Apache Struts//XWork Validator Definition 1.0//EN"
        "http://struts.apache.org/dtds/xwork-validator-definition-1.0.dtd">

<validators>
	<validator name="passwordintegrity"	class="com.jaeson.struts.validator.PasswordIntegrityValidator" />
</validators>

import java.util.regex.Pattern;
import java.util.regex.Matcher;

import com.opensymphony.xwork2.validator.ValidationException;
import com.opensymphony.xwork2.validator.validators.FieldValidatorSupport;

public class PasswordIntegrityValidator extends FieldValidatorSupport {
	
	static Pattern digitPattern = Pattern.compile("[0-9]");
	static Pattern letterPattern = Pattern.compile("[a-zA-Z]");
	static Pattern specialDefaultPattern = Pattern.compile("[!@#$]"); 
	
	@Override
	public void validate(Object object) throws ValidationException {
		
		String fieldName = this.getFieldName();
		String fieldValue = (String) this.getFieldValue(fieldName, object);
		fieldValue = fieldValue.trim();
		
		Matcher digitMatcher = digitPattern.matcher(fieldValue);
		Matcher letterMatcher = letterPattern.matcher(fieldValue);
		Matcher specialMatcher;
		
		if (this.getSpecialCharacter() != null) {
			Pattern specialPattern = Pattern.compile("[" + this.getSpecialCharacter() + "]");
			specialMatcher = specialPattern.matcher(fieldValue);
		} else {
			specialMatcher = specialDefaultPattern.matcher(fieldValue);
		}
		
		if (!digitMatcher.find()) {
			this.addFieldError(fieldName, object);
		} else if (!letterMatcher.find()) {
			this.addFieldError(fieldName, object);
		} else if (!specialMatcher.find()) {
			this.addFieldError(fieldName, object);
		}
		
	}
	
	private String specialCharacter;
	
	public String getSpecialCharacter() {
		return specialCharacter;
	}
	public void setSpecialCharacter(String specialCharacter) {
		this.specialCharacter = specialCharacter;
	}
	
}

validators.xml放在与struts.xml相同的目录下