add initial getList implementation

1 files changed, 24 insertions, 5 deletions

diff --git a/id/server/moa-id-commons/src/main/java/com/datentechnik/moa/id/conf/persistence/ConfigurationImpl.java b/id/server/moa-id-commons/src/main/java/com/datentechnik/moa/id/conf/persistence/ConfigurationImpl.java
index da2c4b7e6..7a52d0c9d 100644
--- a/id/server/moa-id-commons/src/main/java/com/datentechnik/moa/id/conf/persistence/ConfigurationImpl.java
+++ b/id/server/moa-id-commons/src/main/java/com/datentechnik/moa/id/conf/persistence/ConfigurationImpl.java
@@ -1,6 +1,7 @@
 package com.datentechnik.moa.id.conf.persistence;
 
 import java.io.IOException;
+import java.util.ArrayList;
 import java.util.List;
 
 import org.springframework.beans.factory.annotation.Required;
@@ -8,13 +9,16 @@ import org.springframework.stereotype.Component;
 
 import com.datentechnik.moa.id.conf.persistence.dal.ConfigProperty;
 import com.datentechnik.moa.id.conf.persistence.dal.ConfigPropertyDao;
-import com.fasterxml.jackson.annotation.PropertyAccessor;
 import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
+import com.fasterxml.jackson.annotation.PropertyAccessor;
 import com.fasterxml.jackson.core.JsonParseException;
 import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JavaType;
 import com.fasterxml.jackson.databind.JsonMappingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.databind.type.CollectionType;
+import com.fasterxml.jackson.databind.type.TypeFactory;
 
 /**
  * 
@@ -89,12 +93,26 @@ public class ConfigurationImpl implements Configuration {
 		}
 	}
 
+	@SuppressWarnings("unchecked")
 	@Override
 	public <T> List<T> getList(String key, Class<T> clazz) {
-		// return empty list if key does not exist
-		// TODO Auto-generated method stub
 
-		return null;
+		CollectionType listType = TypeFactory.defaultInstance().constructCollectionType(List.class, clazz);
+		String json = configPropertyDao.getProperty(key).getValue();
+		ObjectMapper mapper = new ObjectMapper();
+
+		try {
+			return (List<T>) mapper.readValue(json, listType);
+		} catch (JsonMappingException e) {
+			ArrayList<T> tmp = new ArrayList<T>();
+			T value = get(key, clazz);
+			if(value != null){
+				tmp.add(value);
+			}
+			return tmp;
+		} catch (IOException e) {
+			return new ArrayList<T>();
+		}
 	}
 
 	private String getPropertyValue(String key) {
@@ -150,7 +168,8 @@ public class ConfigurationImpl implements Configuration {
 
 			ObjectMapper mapper = new ObjectMapper();
 			if (clazz != null) {
-				return mapper.readValue(value, clazz);
+				JavaType javaType = TypeFactory.defaultInstance().constructType(clazz);
+				return mapper.readValue(value, javaType);
 			} else {
 				return mapper.readValue(value, Object.class);
 			}