Java PacketExtensionProvider类代码示例

import org.jivesoftware.smack.provider.PacketExtensionProvider; //导入依赖的package包/类
/**
 * Parses a PEPEvent packet and extracts a PEPItem from it.
 * (There is only one per <event>.)
 *
 * @param parser the XML parser, positioned at the starting element of the extension.
 * @return a PacketExtension.
 * @throws Exception if a parsing error occurs.
 */
public PacketExtension parseExtension(XmlPullParser parser) throws Exception {

    boolean done = false;
    while (!done) {
        int eventType = parser.next();
        if (eventType == XmlPullParser.START_TAG) {
            if (parser.getName().equals("event")) {
            } else if (parser.getName().equals("items")) {
                // Figure out the node for this event.
                String node = parser.getAttributeValue("", "node");
                // Get the parser for this kind of node, and if found then parse the node.
                PacketExtensionProvider nodeParser = nodeParsers.get(node);
                if (nodeParser != null) {
                    pepItem = nodeParser.parseExtension(parser);
                }
             }
        } else if (eventType == XmlPullParser.END_TAG) {
            if (parser.getName().equals("event")) {
                done = true;
            }
        }
    }

    return pepItem;
}
 

import org.jivesoftware.smack.provider.PacketExtensionProvider; //导入依赖的package包/类
private CcsClient() {
	// Add FcmPacketExtension
	ProviderManager.getInstance().addExtensionProvider(Util.FCM_ELEMENT_NAME, Util.FCM_NAMESPACE,
			new PacketExtensionProvider() {

				@Override
				public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
					String json = parser.nextText();
					FcmPacketExtension packet = new FcmPacketExtension(json);
					return packet;
				}
			});
}
 

import org.jivesoftware.smack.provider.PacketExtensionProvider; //导入依赖的package包/类
/**
 * Parses a PEPEvent packet and extracts a PEPItem from it. (There is only
 * one per <event>.)
 * 
 * @param parser
 *            the XML parser, positioned at the starting element of the
 *            extension.
 * @return a PacketExtension.
 * @throws Exception
 *             if a parsing error occurs.
 */
public PacketExtension parseExtension(XmlPullParser parser)
		throws Exception {

	boolean done = false;
	while (!done) {
		int eventType = parser.next();
		if (eventType == XmlPullParser.START_TAG) {
			if (parser.getName().equals("event")) {
			} else if (parser.getName().equals("items")) {
				// Figure out the node for this event.
				String node = parser.getAttributeValue("", "node");
				// Get the parser for this kind of node, and if found then
				// parse the node.
				PacketExtensionProvider nodeParser = nodeParsers.get(node);
				if (nodeParser != null) {
					pepItem = nodeParser.parseExtension(parser);
				}
			}
		} else if (eventType == XmlPullParser.END_TAG) {
			if (parser.getName().equals("event")) {
				done = true;
			}
		}
	}

	return pepItem;
}
 

import org.jivesoftware.smack.provider.PacketExtensionProvider; //导入依赖的package包/类
private CcsClient() {
    // Add GcmPacketExtension
    ProviderManager.getInstance().addExtensionProvider(GCM_ELEMENT_NAME,
            GCM_NAMESPACE, new PacketExtensionProvider() {

                @Override
                public PacketExtension parseExtension(XmlPullParser parser)
                throws Exception {
                    String json = parser.nextText();
                    GcmPacketExtension packet = new GcmPacketExtension(json);
                    return packet;
                }
            });
}
 

import org.jivesoftware.smack.provider.PacketExtensionProvider; //导入依赖的package包/类
private static void addSimplePacketExtension(final String name, final String namespace) {
	ProviderManager.getInstance().addExtensionProvider(name, namespace,
			new PacketExtensionProvider() {
				public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
					StreamHandlingPacket packet = new StreamHandlingPacket(name, namespace);
					int attributeCount = parser.getAttributeCount();
					for (int i = 0; i < attributeCount; i++) {
						packet.addAttribute(parser.getAttributeName(i),
							parser.getAttributeValue(i));
					}
					return packet;
				}
			});
}
 

import org.jivesoftware.smack.provider.PacketExtensionProvider; //导入依赖的package包/类
private static void addSimplePacketExtension(final String name, final String namespace) {
    ProviderManager.getInstance().addExtensionProvider(name, namespace,
            new PacketExtensionProvider() {
                public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
                    StreamHandlingPacket packet = new StreamHandlingPacket(name, namespace);
                    int attributeCount = parser.getAttributeCount();
                    for (int i = 0; i < attributeCount; i++) {
                        packet.addAttribute(parser.getAttributeName(i),
                                parser.getAttributeValue(i));
                    }
                    return packet;
                }
            });
}
 

import org.jivesoftware.smack.provider.PacketExtensionProvider; //导入依赖的package包/类
/**
 * Parses a packet extension sub-packet.
 *
 * @param elementName the XML element name of the packet extension.
 * @param namespace the XML namespace of the packet extension.
 * @param parser the XML parser, positioned at the starting element of the extension.
 * @return a PacketExtension.
 * @throws Exception if a parsing error occurs.
 */
public static PacketExtension parsePacketExtension(String elementName, String namespace, XmlPullParser parser)
        throws Exception
{
    // See if a provider is registered to handle the extension.
    Object provider = ProviderManager.getInstance().getExtensionProvider(elementName, namespace);
    if (provider != null) {
        if (provider instanceof PacketExtensionProvider) {
            return ((PacketExtensionProvider)provider).parseExtension(parser);
        }
        else if (provider instanceof Class) {
            return (PacketExtension)parseWithIntrospection(
                    elementName, (Class)provider, parser);
        }
    }
    // No providers registered, so use a default extension.
    DefaultPacketExtension extension = new DefaultPacketExtension(elementName, namespace);
    boolean done = false;
    while (!done) {
        int eventType = parser.next();
        if (eventType == XmlPullParser.START_TAG) {
            String name = parser.getName();
            // If an empty element, set the value with the empty string.
            if (parser.isEmptyElementTag()) {
                extension.setValue(name,"");
            }
            // Otherwise, get the the element text.
            else {
                eventType = parser.next();
                if (eventType == XmlPullParser.TEXT) {
                    String value = parser.getText();
                    extension.setValue(name, value);
                }
            }
        }
        else if (eventType == XmlPullParser.END_TAG) {
            if (parser.getName().equals(elementName)) {
                done = true;
            }
        }
    }
    return extension;
}
 

import org.jivesoftware.smack.provider.PacketExtensionProvider; //导入依赖的package包/类
public void registerPEPParserExtension(String node, PacketExtensionProvider pepItemParser) {
    nodeParsers.put(node, pepItemParser);
}
 

import org.jivesoftware.smack.provider.PacketExtensionProvider; //导入依赖的package包/类
/**
 * Parses a packet extension sub-packet.
 *
 * @param elementName the XML element name of the packet extension.
 * @param namespace the XML namespace of the packet extension.
 * @param parser the XML parser, positioned at the starting element of the extension.
 * @return a PacketExtension.
 * @throws Exception if a parsing error occurs.
 */
public static PacketExtension parsePacketExtension(String elementName, String namespace, XmlPullParser parser)
        throws Exception
{
    // See if a provider is registered to handle the extension.
    Object provider = ProviderManager.getInstance().getExtensionProvider(elementName, namespace);
    if (provider != null) {
        if (provider instanceof PacketExtensionProvider) {
            return ((PacketExtensionProvider)provider).parseExtension(parser);
        }
        else if (provider instanceof Class) {
            return (PacketExtension)parseWithIntrospection(
                    elementName, (Class<?>)provider, parser);
        }
    }
    // No providers registered, so use a default extension.
    DefaultPacketExtension extension = new DefaultPacketExtension(elementName, namespace);
    boolean done = false;
    while (!done) {
        int eventType = parser.next();
        if (eventType == XmlPullParser.START_TAG) {
            String name = parser.getName();
            // If an empty element, set the value with the empty string.
            if (parser.isEmptyElementTag()) {
                extension.setValue(name,"");
            }
            // Otherwise, get the the element text.
            else {
                eventType = parser.next();
                if (eventType == XmlPullParser.TEXT) {
                    String value = parser.getText();
                    extension.setValue(name, value);
                }
            }
        }
        else if (eventType == XmlPullParser.END_TAG) {
            if (parser.getName().equals(elementName)) {
                done = true;
            }
        }
    }
    return extension;
}
 

import org.jivesoftware.smack.provider.PacketExtensionProvider; //导入依赖的package包/类
/**
 * Parses a packet extension sub-packet.
 * 
 * @param elementName
 *            the XML element name of the packet extension.
 * @param namespace
 *            the XML namespace of the packet extension.
 * @param parser
 *            the XML parser, positioned at the starting element of the
 *            extension.
 * @return a PacketExtension.
 * @throws Exception
 *             if a parsing error occurs.
 */
public static PacketExtension parsePacketExtension(String elementName,
		String namespace, XmlPullParser parser) throws Exception {
	// See if a provider is registered to handle the extension.
	Object provider = ProviderManager.getInstance().getExtensionProvider(
			elementName, namespace);
	if (provider != null) {
		if (provider instanceof PacketExtensionProvider) {
			return ((PacketExtensionProvider) provider)
					.parseExtension(parser);
		} else if (provider instanceof Class) {
			return (PacketExtension) parseWithIntrospection(elementName,
					(Class) provider, parser);
		}
	}
	// No providers registered, so use a default extension.
	DefaultPacketExtension extension = new DefaultPacketExtension(
			elementName, namespace);
	boolean done = false;
	while (!done) {
		int eventType = parser.next();
		if (eventType == XmlPullParser.START_TAG) {
			String name = parser.getName();
			// If an empty element, set the value with the empty string.
			if (parser.isEmptyElementTag()) {
				extension.setValue(name, "");
			}
			// Otherwise, get the the element text.
			else {
				eventType = parser.next();
				if (eventType == XmlPullParser.TEXT) {
					String value = parser.getText();
					extension.setValue(name, value);
				}
			}
		} else if (eventType == XmlPullParser.END_TAG) {
			if (parser.getName().equals(elementName)) {
				done = true;
			}
		}
	}
	return extension;
}
 

import org.jivesoftware.smack.provider.PacketExtensionProvider; //导入依赖的package包/类
public void registerPEPParserExtension(String node,
		PacketExtensionProvider pepItemParser) {
	nodeParsers.put(node, pepItemParser);
}