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Code Issues Releases Wiki Activity

Caldav: make timezone name retrieval more robust

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git-svn-id: http://svn.code.sf.net/p/davmail/code/trunk@1391 3d1905a2-6b24-0410-a738-b14d5a86fcbd
This commit is contained in:
mguessan 2010-08-27 07:13:51 +00:00
parent f8975c9767
commit 0529be03a1
2 changed files with 56 additions and 13 deletions
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29
src/java/davmail/exchange/XMLStreamUtil.java
View File

@ -93,4 +93,33 @@ public final class XMLStreamUtil {
}
return results;
}
/**
* Get attribute value for attribute name.
* reader must be at START_ELEMENT state
*
* @param reader xml stream reader
* @param attributeName attribute name
* @return attribute value
*/
public static String getAttributeValue(XMLStreamReader reader, String attributeName) {
for (int i = 0; i < reader.getAttributeCount(); i++) {
if (attributeName.equals(reader.getAttributeLocalName(i))) {
return reader.getAttributeValue(i);
}
}
return null;
}
/**
* Test if reader is on a start tag named tagLocalName.
*
* @param reader xml stream reader
* @param tagLocalName tag local name
* @return true if reader is on a start tag named tagLocalName
*/
public static boolean isStartTag(XMLStreamReader reader, String tagLocalName) {
return (reader.getEventType() == XMLStreamConstants.START_ELEMENT) && (reader.getLocalName().equals(tagLocalName));
}
}

40
src/java/davmail/exchange/dav/DavExchangeSession.java
View File

@ -53,6 +53,9 @@ import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimePart;
import javax.mail.util.SharedByteArrayInputStream;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import java.io.*;
import java.net.URL;
import java.text.ParseException;
@ -1963,19 +1966,7 @@ public class DavExchangeSession extends ExchangeSession {
if (responses.length == 1) {
byte[] roamingdictionary = getBinaryPropertyIfExists(responses[0].getProperties(HttpStatus.SC_OK), "roamingdictionary");
if (roamingdictionary != null) {
String roamingdictionaryString = new String(roamingdictionary, "UTF-8");
int startIndex = roamingdictionaryString.lastIndexOf("18-");
if (startIndex >= 0) {
int endIndex = roamingdictionaryString.indexOf('"', startIndex);
if (endIndex >= 0) {
String timezoneName = roamingdictionaryString.substring(startIndex + 3, endIndex);
try {
timezoneId = ResourceBundle.getBundle("timezoneids").getString(timezoneName);
} catch (MissingResourceException mre) {
LOGGER.warn("Invalid timezone name: " + timezoneName);
}
}
}
timezoneId = ResourceBundle.getBundle("timezoneids").getString(getTimezoneNameFromRoamingDictionary(roamingdictionary));
}
}
} catch (UnsupportedEncodingException e) {
@ -1986,6 +1977,29 @@ public class DavExchangeSession extends ExchangeSession {
return timezoneId;
}
protected String getTimezoneNameFromRoamingDictionary(byte[] roamingdictionary) {
String timezoneName = null;
XMLStreamReader reader;
try {
XMLInputFactory xmlInputFactory = XMLStreamUtil.getXmlInputFactory();
reader = xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(roamingdictionary));
while (reader.hasNext()) {
reader.next();
if (XMLStreamUtil.isStartTag(reader, "e")
&& "18-timezone".equals( XMLStreamUtil.getAttributeValue(reader, "k"))) {
String value = XMLStreamUtil.getAttributeValue(reader, "v");
if (value != null && value.startsWith("18-")) {
timezoneName = value.substring(3);
}
}
}
} catch (XMLStreamException e) {
LOGGER.error("Error while parsing RoamingDictionary: " + e, e);
}
return timezoneName;
}
@Override
protected ItemResult internalCreateOrUpdateContact(String folderPath, String itemName, Map<String, String> properties, String etag, String noneMatch) throws IOException {
return new Contact(getFolderPath(folderPath), itemName, properties, etag, noneMatch).createOrUpdate();