GUAC-1101: Implement connection parameter update.

extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/dao/ParameterMapper.java

@@ -48,4 +48,29 @@ public interface ParameterMapper {
      */
     Collection<ParameterModel> select(@Param("identifier") String identifier);
 
+    /**
+     * Inserts each of the parameter model objects in the given collection as
+     * new connection parameters.
+     *
+     * @param parameters
+     *     The connection parameters to insert.
+     *
+     * @return
+     *     The number of rows inserted.
+     */
+    int insert(@Param("parameters") Collection<ParameterModel> parameters);
+
+    /**
+     * Deletes all parameters associated with the connection having the given
+     * identifier.
+     *
+     * @param identifier
+     *     The identifier of the connection whose parameters should be
+     *     deleted.
+     *
+     * @return
+     *     The number of rows deleted.
+     */
+    int delete(@Param("identifier") String identifier);
+    
 }

extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/service/ConnectionService.java

@@ -24,6 +24,8 @@ package net.sourceforge.guacamole.net.auth.mysql.service;
 
 import com.google.inject.Inject;
 import com.google.inject.Provider;
+import java.util.ArrayList;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
@@ -151,6 +153,46 @@ public class ConnectionService extends DirectoryObjectService<MySQLConnection, C
         
     }
 
+    @Override
+    public void updateObject(AuthenticatedUser user, MySQLConnection object)
+            throws GuacamoleException {
+
+        // Update connection
+        super.updateObject(user, object);
+
+        // Get identifier and connection parameters
+        String identifier = object.getIdentifier();
+        Map<String, String> parameters = object.getConfiguration().getParameters();
+        
+        // Convert parameters to model objects
+        Collection<ParameterModel> parameterModels = new ArrayList(parameters.size());
+        for (Map.Entry<String, String> parameterEntry : parameters.entrySet()) {
+
+            // Get parameter name and value
+            String name = parameterEntry.getKey();
+            String value = parameterEntry.getValue();
+
+            // There is no need to insert empty parameters
+            if (value.isEmpty())
+                continue;
+            
+            // Produce model object from parameter
+            ParameterModel model = new ParameterModel();
+            model.setConnectionIdentifier(identifier);
+            model.setName(name);
+            model.setValue(value);
+
+            // Add model to list
+            parameterModels.add(model);
+            
+        }
+
+        // Replace existing parameters with new parameters
+        parameterMapper.delete(identifier);
+        parameterMapper.insert(parameterModels);
+        
+    }
+
     /**
      * Returns the set of all identifiers for all connections within the root
      * connection group that the user has read access to.

extensions/guacamole-auth-mysql/src/main/resources/net/sourceforge/guacamole/net/auth/mysql/dao/ParameterMapper.xml

@@ -44,4 +44,28 @@
             connection_id = #{identifier,jdbcType=VARCHAR}
     </select>
 
+    <!-- Delete all parameters of a given connection -->
+    <delete id="delete">
+        DELETE FROM guacamole_connection_parameter
+        WHERE connection_id = #{identifier,jdbcType=VARCHAR}
+    </delete>
+
+    <!-- Insert all given parameters -->
+    <insert id="insert" parameterType="net.sourceforge.guacamole.net.auth.mysql.model.ParameterModel">
+
+        INSERT INTO guacamole_connection_parameter (
+            connection_id,
+            parameter_name,
+            parameter_value
+        )
+        VALUES 
+            <foreach collection="parameters" item="parameter" separator=",">
+                (#{parameter.connectionIdentifier,jdbcType=VARCHAR},
+                 #{parameter.name,jdbcType=VARCHAR},
+                 #{parameter.value,jdbcType=VARCHAR})
+            </foreach>
+
+    </insert>
+
+
 </mapper>