Java Web Application: How to implement caching techniques?

Question

I am developing a Java web application that bases it behavior through large XML configuration files that are loaded from a web service. As these files are not actually requi

Answer 1

Bref , you can use this ready spring ehcache configuration

1- ehcache.xml : show global configuration of Ehcache.

2- ehcache-spring.xml : create EhCacheManagerFactoryBean and EhCacheFactoryBean.

3- Inject "myCache" bean in your business class , see the following exemple to get started with getting and putting a object in your cache.

@Resource("myCache")
private net.sf.ehcache.Cache myCache; 

@Resource("myService")
private Service myService; 

public byte[] getFromCache(final String code) 
{ 
// init Cache 
final StringBuilder builder = new StringBuilder(); 
 // key to identify a entry in cache map
final String key = code;
// get form the cache 
final Element element = myCache.get(key); 
if (element != null && element.getValue() != null) 
{ 
       return (byte[]) element.getValue(); 
} 

final byte[] somethingToBeCached = myService.getBy(code); 
// store in the cache
myCache.put(new Element(key, somethingToBeCached)); 

return somethingTobeCached; 

}