Examples with IQProvider org.jivesoftware.smack.provider.IQProvider used on opensource projects

Example 1 with IQProvider

use of org.jivesoftware.smack.provider.IQProvider in project ecf by eclipse.

the class SimpleDirectoryPersistentCache method restoreInfoFromFile.

/**
 * Tries to restore an DiscoverInfo packet from a file.
 *
 * @param file
 * @return
 * @throws IOException
 */
private static DiscoverInfo restoreInfoFromFile(File file) throws IOException {
    DataInputStream dis = new DataInputStream(new FileInputStream(file));
    String fileContent = null;
    String id;
    String from;
    String to;
    try {
        fileContent = dis.readUTF();
    } finally {
        dis.close();
    }
    if (fileContent == null)
        return null;
    Reader reader = new StringReader(fileContent);
    XmlPullParser parser;
    try {
        parser = new MXParser();
        parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
        parser.setInput(reader);
    } catch (XmlPullParserException xppe) {
        xppe.printStackTrace();
        return null;
    }
    DiscoverInfo iqPacket;
    IQProvider provider = new DiscoverInfoProvider();
    // Parse the IQ, we only need the id
    try {
        parser.next();
        id = parser.getAttributeValue("", "id");
        from = parser.getAttributeValue("", "from");
        to = parser.getAttributeValue("", "to");
        parser.next();
    } catch (XmlPullParserException e1) {
        return null;
    }
    try {
        iqPacket = (DiscoverInfo) provider.parseIQ(parser);
    } catch (Exception e) {
        return null;
    }
    iqPacket.setPacketID(id);
    iqPacket.setFrom(from);
    iqPacket.setTo(to);
    iqPacket.setType(IQ.Type.RESULT);
    return iqPacket;
}

Example 2 with IQProvider

use of org.jivesoftware.smack.provider.IQProvider in project ecf by eclipse.

the class PacketParserUtils method parseIQ.

/**
 * Parses an IQ packet.
 *
 * @param parser the XML parser, positioned at the start of an IQ packet.
 * @return an IQ object.
 * @throws Exception if an exception occurs while parsing the packet.
 */
public static IQ parseIQ(XmlPullParser parser, Connection connection) throws Exception {
    IQ iqPacket = null;
    String id = parser.getAttributeValue("", "id");
    String to = parser.getAttributeValue("", "to");
    String from = parser.getAttributeValue("", "from");
    IQ.Type type = IQ.Type.fromString(parser.getAttributeValue("", "type"));
    XMPPError error = null;
    boolean done = false;
    while (!done) {
        int eventType = parser.next();
        if (eventType == XmlPullParser.START_TAG) {
            String elementName = parser.getName();
            String namespace = parser.getNamespace();
            if (elementName.equals("error")) {
                error = PacketParserUtils.parseError(parser);
            } else if (elementName.equals("query") && namespace.equals("jabber:iq:auth")) {
                iqPacket = parseAuthentication(parser);
            } else if (elementName.equals("query") && namespace.equals("jabber:iq:roster")) {
                iqPacket = parseRoster(parser);
            } else if (elementName.equals("query") && namespace.equals("jabber:iq:register")) {
                iqPacket = parseRegistration(parser);
            } else if (elementName.equals("bind") && namespace.equals("urn:ietf:params:xml:ns:xmpp-bind")) {
                iqPacket = parseResourceBinding(parser);
            } else // Otherwise, see if there is a registered provider for
            // this element name and namespace.
            {
                Object provider = ProviderManager.getInstance().getIQProvider(elementName, namespace);
                if (provider != null) {
                    if (provider instanceof IQProvider) {
                        iqPacket = ((IQProvider) provider).parseIQ(parser);
                    } else if (provider instanceof Class) {
                        iqPacket = (IQ) PacketParserUtils.parseWithIntrospection(elementName, (Class<?>) provider, parser);
                    }
                } else // have to be answered with an IQ error response. See the code a few lines below
                if (IQ.Type.RESULT == type) {
                    // No Provider found for the IQ stanza, parse it to an UnparsedIQ instance
                    // so that the content of the IQ can be examined later on
                    iqPacket = new UnparsedResultIQ(parseContent(parser));
                }
            }
        } else if (eventType == XmlPullParser.END_TAG) {
            if (parser.getName().equals("iq")) {
                done = true;
            }
        }
    }
    // Decide what to do when an IQ packet was not understood
    if (iqPacket == null) {
        if (IQ.Type.GET == type || IQ.Type.SET == type) {
            // If the IQ stanza is of type "get" or "set" containing a child element
            // qualified by a namespace it does not understand, then answer an IQ of
            // type "error" with code 501 ("feature-not-implemented")
            iqPacket = new IQ() {

                @Override
                public String getChildElementXML() {
                    return null;
                }
            };
            iqPacket.setPacketID(id);
            iqPacket.setTo(from);
            iqPacket.setFrom(to);
            iqPacket.setType(IQ.Type.ERROR);
            iqPacket.setError(new XMPPError(XMPPError.Condition.feature_not_implemented));
            connection.sendPacket(iqPacket);
            return null;
        } else {
            // If an IQ packet wasn't created above, create an empty IQ packet.
            iqPacket = new IQ() {

                @Override
                public String getChildElementXML() {
                    return null;
                }
            };
        }
    }
    // Set basic values on the iq packet.
    iqPacket.setPacketID(id);
    iqPacket.setTo(to);
    iqPacket.setFrom(from);
    iqPacket.setType(type);
    iqPacket.setError(error);
    return iqPacket;
}

Example 3 with IQProvider

use of org.jivesoftware.smack.provider.IQProvider in project Smack by igniterealtime.

the class PacketParserUtils method parseIQ.

/**
 * Parses an IQ packet.
 *
 * @param parser the XML parser, positioned at the start of an IQ packet.
 * @param outerXmlEnvironment the outer XML environment (optional).
 * @return an IQ object.
 * @throws XmlPullParserException if an error in the XML parser occurred.
 * @throws XmppStringprepException if the provided string is invalid.
 * @throws IOException if an I/O error occurred.
 * @throws SmackParsingException if the Smack parser (provider) encountered invalid input.
 */
public static IQ parseIQ(XmlPullParser parser, XmlEnvironment outerXmlEnvironment) throws XmlPullParserException, XmppStringprepException, IOException, SmackParsingException {
    ParserUtils.assertAtStartTag(parser);
    final int initialDepth = parser.getDepth();
    XmlEnvironment iqXmlEnvironment = XmlEnvironment.from(parser, outerXmlEnvironment);
    IQ iqPacket = null;
    StanzaError error = null;
    IqData iqData = parseIqData(parser);
    outerloop: while (true) {
        XmlPullParser.Event eventType = parser.next();
        switch(eventType) {
            case START_ELEMENT:
                String elementName = parser.getName();
                String namespace = parser.getNamespace();
                switch(elementName) {
                    case "error":
                        error = PacketParserUtils.parseError(parser, iqXmlEnvironment);
                        break;
                    // this element name and namespace.
                    default:
                        IqProvider<IQ> provider = ProviderManager.getIQProvider(elementName, namespace);
                        if (provider != null) {
                            iqPacket = provider.parse(parser, iqData, outerXmlEnvironment);
                        } else // Note that if we reach this code, it is guaranteed that the result IQ contained a child element
                        // (RFC 6120 § 8.2.3 6) because otherwise we would have reached the END_ELEMENT first.
                        {
                            // No Provider found for the IQ stanza, parse it to an UnparsedIQ instance
                            // so that the content of the IQ can be examined later on
                            iqPacket = new UnparsedIQ(elementName, namespace, parseElement(parser));
                        }
                        break;
                }
                break;
            case END_ELEMENT:
                if (parser.getDepth() == initialDepth) {
                    break outerloop;
                }
                break;
            default:
                // Catch all for incomplete switch (MissingCasesInEnumSwitch) statement.
                break;
        }
    }
    // Decide what to do when an IQ packet was not understood
    if (iqPacket == null) {
        switch(iqData.getType()) {
            case error:
                // If an IQ packet wasn't created above, create an empty error IQ packet.
                iqPacket = new ErrorIQ(error);
                break;
            case result:
                iqPacket = new EmptyResultIQ();
                break;
            default:
                break;
        }
    }
    // Set basic values on the iq packet.
    iqPacket.setStanzaId(iqData.getStanzaId());
    iqPacket.setTo(iqData.getTo());
    iqPacket.setFrom(iqData.getFrom());
    iqPacket.setType(iqData.getType());
    iqPacket.setError(error);
    return iqPacket;
}

Example 4 with IQProvider

use of org.jivesoftware.smack.provider.IQProvider in project Smack by igniterealtime.

the class SmackTestUtil method parse.

@SuppressWarnings("unchecked")
public static <E extends Element> E parse(Reader reader, AbstractProvider<E> abstractProvider, XmlPullParserKind parserKind) throws XmlPullParserException, IOException, SmackParsingException {
    XmlPullParser parser = getParserFor(reader, parserKind);
    final E element;
    if (abstractProvider instanceof Provider) {
        Provider<E> provider = (Provider<E>) abstractProvider;
        element = provider.parse(parser);
    } else if (abstractProvider instanceof IqProvider) {
        IqData iqData = PacketParserUtils.parseIqData(parser);
        parser.next();
        ParserUtils.forwardToStartElement(parser);
        IqProvider<?> iqProvider = (IqProvider<?>) abstractProvider;
        element = (E) iqProvider.parse(parser, iqData);
    } else {
        throw new AssertionError();
    }
    return element;
}

Example 5 with IQProvider

use of org.jivesoftware.smack.provider.IQProvider in project Smack by igniterealtime.

the class PacketParserUtils method parseIQ.

/**
     * Parses an IQ packet.
     *
     * @param parser the XML parser, positioned at the start of an IQ packet.
     * @return an IQ object.
     * @throws Exception
     */
public static IQ parseIQ(XmlPullParser parser) throws Exception {
    ParserUtils.assertAtStartTag(parser);
    final int initialDepth = parser.getDepth();
    IQ iqPacket = null;
    XMPPError.Builder error = null;
    final String id = parser.getAttributeValue("", "id");
    final Jid to = ParserUtils.getJidAttribute(parser, "to");
    final Jid from = ParserUtils.getJidAttribute(parser, "from");
    final IQ.Type type = IQ.Type.fromString(parser.getAttributeValue("", "type"));
    outerloop: while (true) {
        int eventType = parser.next();
        switch(eventType) {
            case XmlPullParser.START_TAG:
                String elementName = parser.getName();
                String namespace = parser.getNamespace();
                switch(elementName) {
                    case "error":
                        error = PacketParserUtils.parseError(parser);
                        break;
                    // this element name and namespace.
                    default:
                        IQProvider<IQ> provider = ProviderManager.getIQProvider(elementName, namespace);
                        if (provider != null) {
                            iqPacket = provider.parse(parser);
                        } else // Note that if we reach this code, it is guranteed that the result IQ contained a child element
                        // (RFC 6120 § 8.2.3 6) because otherwhise we would have reached the END_TAG first.
                        {
                            // No Provider found for the IQ stanza, parse it to an UnparsedIQ instance
                            // so that the content of the IQ can be examined later on
                            iqPacket = new UnparsedIQ(elementName, namespace, parseElement(parser));
                        }
                        break;
                }
                break;
            case XmlPullParser.END_TAG:
                if (parser.getDepth() == initialDepth) {
                    break outerloop;
                }
                break;
        }
    }
    // Decide what to do when an IQ packet was not understood
    if (iqPacket == null) {
        switch(type) {
            case error:
                // If an IQ packet wasn't created above, create an empty error IQ packet.
                iqPacket = new ErrorIQ(error);
                break;
            case result:
                iqPacket = new EmptyResultIQ();
                break;
            default:
                break;
        }
    }
    // Set basic values on the iq packet.
    iqPacket.setStanzaId(id);
    iqPacket.setTo(to);
    iqPacket.setFrom(from);
    iqPacket.setType(type);
    iqPacket.setError(error);
    return iqPacket;
}