FileTransfer reworked (first steps - functionality as is), HttpUpload

separated, some bugfixes
- HttpUpload moved into own package
- FileTransfer managed by a central manager class, several
  FileTransferService implementation can be used
  - Security initializations moved to ConversationsPlusApplication
  - Access to PowerManager moved to ConversationsPlusApplication
  - Removed unused code fragments
  - Access to HttpConnectionManager is now static

1 files changed, 43 insertions, 0 deletions

diff --git a/src/main/java/de/thedevstack/conversationsplus/xmpp/AbstractIqPacketParser.java b/src/main/java/de/thedevstack/conversationsplus/xmpp/AbstractIqPacketParser.java
new file mode 100644
index 00000000..d777cb64
--- /dev/null
+++ b/src/main/java/de/thedevstack/conversationsplus/xmpp/AbstractIqPacketParser.java
@@ -0,0 +1,43 @@
+package de.thedevstack.conversationsplus.xmpp;
+
+import de.thedevstack.conversationsplus.xml.Element;
+import de.thedevstack.conversationsplus.xmpp.exceptions.MissingRequiredContentException;
+import de.thedevstack.conversationsplus.xmpp.exceptions.MissingRequiredElementException;
+
+/**
+ *
+ */
+public abstract class AbstractIqPacketParser {
+    protected static Element findRequiredChild(Element element, String elementName, String namespace) throws MissingRequiredElementException {
+        if (null == element) {
+            return null;
+        }
+        Element child = element.findChild(elementName, namespace);
+        if (child == null) {
+            throw new MissingRequiredElementException(elementName, namespace, element);
+        }
+        return child;
+    }
+
+    protected static String findRequiredChildContent(Element element, String elementName) throws MissingRequiredContentException {
+        if (null == element) {
+            return null;
+        }
+        String childContent = element.findChildContent(elementName);
+        if (null == childContent) {
+            throw new MissingRequiredContentException(elementName, element);
+        }
+        return childContent;
+    }
+
+    protected static String findRequiredChildContent(Element element, String elementName, String namespace) throws MissingRequiredContentException {
+        if (null == element) {
+            return null;
+        }
+        String childContent = element.findChildContent(elementName, namespace);
+        if (null == childContent) {
+            throw new MissingRequiredContentException(elementName, namespace, element);
+        }
+        return childContent;
+    }
+}