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/*
* Copyright (c) 2010, Isode Limited, London, England.
* All rights reserved.
*/
/*
* Copyright (c) 2010, Remko Tronçon.
* All rights reserved.
*/
package com.isode.stroke.parser;
import com.isode.stroke.elements.Payload;
import com.isode.stroke.elements.Stanza;
import com.isode.stroke.jid.JID;
public abstract class StanzaParser implements ElementParser {
protected int currentDepth_ = 0;
protected final PayloadParserFactoryCollection factories_;
protected PayloadParser currentPayloadParser_;
public StanzaParser(PayloadParserFactoryCollection factories) {
factories_ = factories;
}
void handleStanzaAttributes(AttributeMap map) {
}
public Stanza getStanza() {
return (Stanza) getElement();
}
private boolean inPayload() {
return currentDepth_ > 1;
}
private boolean inStanza() {
return currentDepth_ > 0;
}
public void handleStartElement(String element, String ns, AttributeMap attributes) {
if (inStanza()) {
if (!inPayload()) {
assert currentPayloadParser_ == null;
PayloadParserFactory payloadParserFactory = factories_.getPayloadParserFactory(element, ns, attributes);
if (payloadParserFactory != null) {
currentPayloadParser_ = payloadParserFactory.createPayloadParser();
} else {
currentPayloadParser_ = new UnknownPayloadParser();
}
}
assert currentPayloadParser_ != null;
currentPayloadParser_.handleStartElement(element, ns, attributes);
} else {
String from = attributes.getAttribute("from");
if (from != null) {
getStanza().setFrom(JID.fromString(from));
}
String to = attributes.getAttribute("to");
if (to != null) {
getStanza().setTo(JID.fromString(to));
}
String id = attributes.getAttribute("id");
if (id != null) {
getStanza().setID(id);
}
handleStanzaAttributes(attributes);
}
++currentDepth_;
}
public void handleEndElement(String element, String ns) {
assert (inStanza());
if (inPayload()) {
assert currentPayloadParser_ != null;
currentPayloadParser_.handleEndElement(element, ns);
--currentDepth_;
if (!inPayload()) {
Payload payload = currentPayloadParser_.getPayload();
if (payload != null) {
getStanza().addPayload(payload);
}
currentPayloadParser_ = null;
}
} else {
--currentDepth_;
}
}
public void handleCharacterData(String data) {
if (currentPayloadParser_ != null) {
currentPayloadParser_.handleCharacterData(data);
}
}
}
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Swift