项目初始导入

src/main/java/com/nis/util/CacheUtils.java

@@ -0,0 +1,97 @@
+package com.nis.util;
+
+import com.nis.web.service.SpringContextHolder;
+
+import net.sf.ehcache.Cache;
+import net.sf.ehcache.CacheManager;
+import net.sf.ehcache.Element;
+
+/**
+ * Cache工具类
+ * @author darnell
+ *
+ */
+public class CacheUtils {
+	
+	private static CacheManager cacheManager = ((CacheManager)SpringContextHolder.getBean("cacheManager"));
+
+	private static final String SYS_CACHE = "sysCache";
+
+	/**
+	 * 获取SYS_CACHE缓存
+	 * @param key
+	 * @return
+	 */
+	public static Object get(String key) {
+		return get(SYS_CACHE, key);
+	}
+	
+	/**
+	 * 写入SYS_CACHE缓存
+	 * @param key
+	 * @return
+	 */
+	public static void put(String key, Object value) {
+		put(SYS_CACHE, key, value);
+	}
+	
+	/**
+	 * 从SYS_CACHE缓存中移除
+	 * @param key
+	 * @return
+	 */
+	public static void remove(String key) {
+		remove(SYS_CACHE, key);
+	}
+	
+	/**
+	 * 获取缓存
+	 * @param cacheName
+	 * @param key
+	 * @return
+	 */
+	public static Object get(String cacheName, String key) {
+		Element element = getCache(cacheName).get(key);
+		return element==null?null:element.getObjectValue();
+	}
+
+	/**
+	 * 写入缓存
+	 * @param cacheName
+	 * @param key
+	 * @param value
+	 */
+	public static void put(String cacheName, String key, Object value) {
+		Element element = new Element(key, value);
+		getCache(cacheName).put(element);
+	}
+
+	/**
+	 * 从缓存中移除
+	 * @param cacheName
+	 * @param key
+	 */
+	public static void remove(String cacheName, String key) {
+		getCache(cacheName).remove(key);
+	}
+	
+	/**
+	 * 获得一个Cache，没有则创建一个。
+	 * @param cacheName
+	 * @return
+	 */
+	private static Cache getCache(String cacheName){
+		Cache cache = cacheManager.getCache(cacheName);
+		if (cache == null){
+			cacheManager.addCache(cacheName);
+			cache = cacheManager.getCache(cacheName);
+			cache.getCacheConfiguration().setEternal(true);
+		}
+		return cache;
+	}
+
+	public static CacheManager getCacheManager() {
+		return cacheManager;
+	}
+	
+}