com.home.ln_spring.ch5.factory.MessageDigestFactoryBean.java Source code

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Here is the source code for com.home.ln_spring.ch5.factory.MessageDigestFactoryBean.java

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package com.home.ln_spring.ch5.factory;

import java.security.MessageDigest;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;

/**
 *
 * @author vitaliy
 */
public class MessageDigestFactoryBean implements FactoryBean<MessageDigest>, InitializingBean {

    private String algorithmName = "MD5";

    private MessageDigest messageDigest = null;

    @Override
    public MessageDigest getObject() throws Exception {
        return messageDigest;
    }

    @Override
    public Class<MessageDigest> getObjectType() {
        return MessageDigest.class;
    }

    @Override
    public boolean isSingleton() {
        return true;
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        messageDigest = MessageDigest.getInstance(algorithmName);
    }

    public void setAlgorithmName(String algorithmName) {
        this.algorithmName = algorithmName;
    }
}