Add method to return an int from the parameters.

diff --git a/src/main/java/net/pterodactylus/sone/freenet/fcp/AbstractCommand.java b/src/main/java/net/pterodactylus/sone/freenet/fcp/AbstractCommand.java
index 8c155e5..3475910 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/freenet/fcp/AbstractCommand.java
+++ b/src/main/java/net/pterodactylus/sone/freenet/fcp/AbstractCommand.java
@@ -52,4 +52,24 @@ public abstract class AbstractCommand implements Command {
                }
        }
 
+       /**
+        * Returns an int value from the given simple field set.
+        *
+        * @param simpleFieldSet
+        *            The simple field set to get the value from
+        * @param key
+        *            The key of the value
+        * @return The int value
+        * @throws FcpException
+        *             if there is no value for the given key in the simple field
+        *             set, or the value can not be converted to an int
+        */
+       protected int getInt(SimpleFieldSet simpleFieldSet, String key) throws FcpException {
+               try {
+                       return simpleFieldSet.getInt(key);
+               } catch (FSParseException fspe1) {
+                       throw new FcpException("Could not get parameter “" + key + "” as int.", fspe1);
+               }
+       }
+
 }