oscacheimp.java

是一个网站的博客系统

package com.opensource.blog.service.cache.imp;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.util.*;

import org.springframework.core.io.*;

import com.opensource.blog.service.cache.Cache;
import com.opensymphony.oscache.general.*;
import com.opensymphony.oscache.base.*;


public class OsCacheImp
    implements Cache {

  private static final Log logger = LogFactory.getLog(OsCacheImp.class);

  private GeneralCacheAdministrator admin;

  public OsCacheImp() {
    admin = new GeneralCacheAdministrator();
  }

  public OsCacheImp(String profile) {
    Properties properties = new Properties();
    ClassPathResource classPathResource = new ClassPathResource(profile);
    try {
      logger.info("Init Cache...");
      properties.load(classPathResource.getInputStream());
      admin = new GeneralCacheAdministrator(properties);
    }
    catch (Exception ex) {
      logger.error(ex);
      admin = new GeneralCacheAdministrator();
    }
  }

  /**
   *
   * @param key Object
   * @param value Object
   * @todo Implement this com.opensource.blog.service.cache.Cache method
   */
  public void add(Object key, Object value) {
    this.admin.putInCache(String.valueOf(key), value);
  }

  /**
   *
   * @param key Object
   * @return java.lang.Object
   * @todo Implement this com.opensource.blog.service.cache.Cache method
   */
  public Object get(Object key) {
    try {
      return this.admin.getFromCache(String.valueOf(key));
    }
    catch (NeedsRefreshException ex) {
      return null;
    }
  }

  /**
   *
   * @param key Object
   * @todo Implement this com.opensource.blog.service.cache.Cache method
   */
  public void remove(Object key) {
    this.admin.flushEntry(key.toString());
  }

  /**
   *
   * @todo Implement this com.opensource.blog.service.cache.Cache method
   */
  public void removeAll() {
    this.admin.flushAll();
  }
}