package org.kuali.common.util.property.processor;
   
   import java.util.List;
   import java.util.Properties;
   
   import org.jasypt.util.text.TextEncryptor;
   import org.kuali.common.util.PropertyUtils;
   import org.springframework.util.Assert;
   
  public class DecryptProcessor implements PropertyProcessor {
  
  	TextEncryptor encryptor;
  
  	public DecryptProcessor() {
  		this(null);
  	}
  
  	public DecryptProcessor(TextEncryptor encryptor) {
  		super();
  		this.encryptor = encryptor;
  	}
  
  	@Override
  	public void process(Properties properties) {
  		Assert.notNull(encryptor, "encryptor is null");
  		List<String> keys = PropertyUtils.getSortedKeys(properties);
  		for (String key : keys) {
  			String encryptedValue = properties.getProperty(key);
  			String decryptedValue = encryptor.decrypt(encryptedValue);
  			properties.setProperty(key, decryptedValue);
  		}
  	}
  
  	public TextEncryptor getEncryptor() {
  		return encryptor;
  	}
  
  	public void setEncryptor(TextEncryptor encryptor) {
  		this.encryptor = encryptor;
  	}
  
  }