From 3ed7cb54e5858afaadc3f7ec5bc01edb61e1428e Mon Sep 17 00:00:00 2001
From: steckbrief <steckbrief@chefmail.de>
Date: Mon, 22 Aug 2016 21:30:36 +0200
Subject: Basic filetransfer http delete implementation; Exceptions for
 IqPacketError added

---
 .../conversationsplus/xmpp/IqPacketParser.java     | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 src/main/java/de/thedevstack/conversationsplus/xmpp/IqPacketParser.java

(limited to 'src/main/java/de/thedevstack/conversationsplus/xmpp/IqPacketParser.java')

diff --git a/src/main/java/de/thedevstack/conversationsplus/xmpp/IqPacketParser.java b/src/main/java/de/thedevstack/conversationsplus/xmpp/IqPacketParser.java
new file mode 100644
index 00000000..7c198ce9
--- /dev/null
+++ b/src/main/java/de/thedevstack/conversationsplus/xmpp/IqPacketParser.java
@@ -0,0 +1,51 @@
+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 IqPacketParser {
+    public static Element findRequiredChild(Element element, String elementName, String namespace) throws MissingRequiredElementException {
+        Element child = findChild(element, elementName, namespace);
+        if (child == null) {
+            throw new MissingRequiredElementException(elementName, namespace, element);
+        }
+        return child;
+    }
+
+    public static Element findChild(Element element, String elementName, String namespace) {
+        if (null == element) {
+            return null;
+        }
+        return element.findChild(elementName, namespace);
+    }
+
+    public 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;
+    }
+
+    public static String findRequiredChildContent(Element element, String elementName, String namespace) throws MissingRequiredContentException {
+        String childContent = findChildContent(element, elementName, namespace);
+        if (null == childContent) {
+            throw new MissingRequiredContentException(elementName, namespace, element);
+        }
+        return childContent;
+    }
+
+    public static String findChildContent(Element element, String elementName, String namespace) {
+        if (null == element) {
+            return null;
+        }
+        return element.findChildContent(elementName, namespace);
+    }
+}
-- 
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