com.microsoft.azure.servicebus.management.TopicRuntimeInfoSerializer Maven / Gradle / Ivy
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Java library for Azure Service Bus. Please note, a newer package com.azure:azure-messaging-servicebus for Azure Service Bus is available as of December 2020. While this package will continue to receive critical bug fixes, we strongly encourage you to upgrade. Read the migration guide at https://aka.ms/azsdk/java/migrate/sb for more details.
package com.microsoft.azure.servicebus.management;
import com.microsoft.azure.servicebus.primitives.MessagingEntityNotFoundException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.time.Instant;
public class TopicRuntimeInfoSerializer {
private static final Logger TRACE_LOGGER = LoggerFactory.getLogger(TopicRuntimeInfoSerializer.class);
static TopicRuntimeInfo parseFromContent(String xml) throws MessagingEntityNotFoundException {
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
try {
DocumentBuilder db = dbf.newDocumentBuilder();
Document dom = db.parse(new ByteArrayInputStream(xml.getBytes("utf-8")));
Element doc = dom.getDocumentElement();
doc.normalize();
if (doc.getTagName() == "entry")
return parseFromEntry(doc);
} catch (ParserConfigurationException | IOException | SAXException e) {
if (TRACE_LOGGER.isErrorEnabled()) {
TRACE_LOGGER.error("Exception while parsing response.", e);
}
if (TRACE_LOGGER.isDebugEnabled()) {
TRACE_LOGGER.debug("XML which failed to parse: \n %s", xml);
}
}
throw new MessagingEntityNotFoundException("Topic was not found");
}
private static TopicRuntimeInfo parseFromEntry(Node xEntry) {
TopicRuntimeInfo topicRuntimeInfo = null;
NodeList nList = xEntry.getChildNodes();
for (int i = 0; i < nList.getLength(); i++) {
Node node = nList.item(i);
if (node.getNodeType() == Node.ELEMENT_NODE) {
Element element = (Element)node;
switch(element.getTagName())
{
case "title":
topicRuntimeInfo = new TopicRuntimeInfo(element.getFirstChild().getNodeValue());
break;
case "content":
NodeList qdNodes = element.getFirstChild().getChildNodes();
for (int j = 0; j < qdNodes.getLength(); j++)
{
node = qdNodes.item(j);
if (node.getNodeType() == Node.ELEMENT_NODE) {
element = (Element) node;
switch (element.getTagName())
{
case "AccessedAt":
topicRuntimeInfo.setAccessedAt(Instant.parse(element.getFirstChild().getNodeValue()));
break;
case "CreatedAt":
topicRuntimeInfo.setCreatedAt(Instant.parse(element.getFirstChild().getNodeValue()));
break;
case "UpdatedAt":
topicRuntimeInfo.setUpdatedAt(Instant.parse(element.getFirstChild().getNodeValue()));
break;
case "SubscriptionCount":
topicRuntimeInfo.setSubscriptionCount(Integer.parseInt(element.getFirstChild().getNodeValue()));
break;
case "SizeInBytes":
topicRuntimeInfo.setSizeInBytes(Long.parseLong(element.getFirstChild().getNodeValue()));
break;
case "CountDetails":
topicRuntimeInfo.setMessageCountDetails(new MessageCountDetails());
NodeList mcDetails = element.getChildNodes();
for (int k = 0; k < mcDetails.getLength(); k++) {
Node node2 = mcDetails.item(k);
if (node2.getNodeType() == Node.ELEMENT_NODE) {
element = (Element) node2;
String localName = element.getTagName().substring(element.getTagName().indexOf(':') + 1);
switch (localName) {
case "ActiveMessageCount":
topicRuntimeInfo.getMessageCountDetails().setActiveMessageCount(Long.parseLong(element.getFirstChild().getNodeValue()));
break;
case "DeadLetterMessageCount":
topicRuntimeInfo.getMessageCountDetails().setDeadLetterMessageCount(Long.parseLong(element.getFirstChild().getNodeValue()));
break;
case "ScheduledMessageCount":
topicRuntimeInfo.getMessageCountDetails().setScheduledMessageCount(Long.parseLong(element.getFirstChild().getNodeValue()));
break;
case "TransferMessageCount":
topicRuntimeInfo.getMessageCountDetails().setTransferMessageCount(Long.parseLong(element.getFirstChild().getNodeValue()));
break;
case "TransferDeadLetterMessageCount":
topicRuntimeInfo.getMessageCountDetails().setTransferDeadLetterMessageCount(Long.parseLong(element.getFirstChild().getNodeValue()));
break;
}
}
}
break;
}
}
}
break;
}
}
}
return topicRuntimeInfo;
}
}