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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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