add the interface

cat-home/src/main/java/com/dianping/cat/report/task/alert/sender/SplitProcessor.java

-package com.dianping.cat.report.task.alert.sender;
-
-public class SplitProcessor {
-
-	public String process(String content,AlertChannel channel){
-		return null;
-	}
-}

cat-home/src/main/java/com/dianping/cat/report/task/alert/sender/decorator/Decorator2.java

+package com.dianping.cat.report.task.alert.sender.decorator;
+
+import com.dianping.cat.report.task.alert.sender.AlertEntity;
+
+public interface Decorator2 {
+
+	//return exeption,network,system...
+	public String getId();
+
+	public String generateTitle(AlertEntity alert);
+
+	public String generateContent(AlertEntity alert);
+	
+}

cat-home/src/main/java/com/dianping/cat/report/task/alert/sender/decorator/SplitProcessor.java

+package com.dianping.cat.report.task.alert.sender.decorator;
+
+import com.dianping.cat.report.task.alert.sender.AlertChannel;
+
+public interface SplitProcessor {
+
+	public String process(String content, AlertChannel channel);
+	
+}

cat-home/src/main/java/com/dianping/cat/report/task/alert/sender/receiver/Contactor2.java

+package com.dianping.cat.report.task.alert.sender.receiver;
+
+import java.util.List;
+
+public interface Contactor2 {
+	
+	public String getId();
+
+	public List<String> queryEmailContactors(String id);
+
+	public List<String> queryWeiXinContactors(String id);
+
+	public List<String> querySmsContactors(String id);
+}