update trunk and tag 1.4.2.0

git-svn-id: http://xe-core.googlecode.com/svn/trunk@7470 201d5d3c-b55e-5fd7-737f-ddc643e51545

classes/cache/CacheHandler.class.php

@@ -0,0 +1,95 @@
+<?php
+    /**
+     * @class CacheHandler
+     * @author sol (sol@nhn.com)
+     * @brief Cache Handler
+     * @version 0.1
+	 *
+     **/
+
+    class CacheHandler extends Handler {
+			
+		var $handler = null;
+
+        function &getInstance($target='object') {
+			return new CacheHandler($target);
+        }
+
+		function CacheHandler($target, $info=null) {
+			if(!$info) $info = Context::getDBInfo();
+			if($info){
+				if($target == 'object'){
+					if($info->use_template_cache =='apc') $type = 'apc';
+					else if(substr($info->use_template_cache,0,8)=='memcache'){
+						$type = 'memcache'; 
+						$url = $info->use_template_cache;
+					}
+				}else if($target == 'template'){
+					if($info->use_template_cache =='apc') $type = 'apc';
+					else if(substr($info->use_template_cache,0,8)=='memcache'){
+						$type = 'memcache'; 
+						$url = $info->use_template_cache;
+					}
+				}
+
+				if($type){
+					$class = 'Cache' . ucfirst($type);
+					include_once sprintf('%sclasses/cache/%s.class.php', _XE_PATH_, $class);
+					$this->handler = call_user_func(array($class,'getInstance'), $url);
+				}
+			}
+		}
+
+		function isSupport(){
+			if($this->handler && $this->handler->isSupport()) return true;
+			return false;
+		}
+
+		function get($key, $modified_time = 0){
+			if(!$this->handler) return false;
+			return $this->handler->get($key, $modified_time);
+		}
+
+		function put($key, $obj, $valid_time = 0){
+			if(!$this->handler) return false;
+			return $this->handler->put($key, $obj, $valid_time);
+		}
+
+		function delete($key){
+			if(!$this->handler) return false;
+			return $this->handler->delete($key);
+		}
+
+		function isValid($key, $modified_time){
+			if(!$this->handler) return false;
+			return $this->handler->isValid($key, $modified_time);
+		}
+
+		function truncate(){
+			if(!$this->handler) return false;
+			return $this->handler->truncate();
+		}
+    }
+
+	class CacheBase{
+		function get($key, $modified_time = 0){
+			return false;
+		}
+
+		function put($key, $obj, $valid_time = 0){
+			return false;
+		}
+
+		function isValid($key, $modified_time = 0){
+			return false;
+		}
+
+		function isSupport(){
+			return false;
+		}
+
+		function truncate(){
+			return false;
+		}
+	}
+?>