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Code Issues Releases Wiki Activity

Cache the parser availability of the roundtrip feature

Browse source 
As otherwise there would be multiple log statements (which are of level
fine but nevertheless).

PacketParserUtils: XmlPullParser does not support XML_ROUNDTRIP org.xmlpull.v1.XmlPullParserException: unsupported feature: http://xmlpull.org/v1/doc/features.html#xml-roundtrip (position:START_DOCUMENT null@1:1)
PacketParserUtils: 	at org.kxml2.io.KXmlParser.setFeature(KXmlParser.java:2091)
PacketParserUtils: 	at org.jivesoftware.smack.util.PacketParserUtils.newXmppParser(PacketParserUtils.java:150)
PacketParserUtils: 	at org.jivesoftware.smack.util.PacketParserUtils.newXmppParser(PacketParserUtils.java:172)
PacketParserUtils: 	at org.jivesoftware.smack.tcp.XMPPTCPConnection.openStream(XMPPTCPConnection.java:963)
PacketParserUtils: 	at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter.access$2600(XMPPTCPConnection.java:1224)
PacketParserUtils: 	at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter$1.run(XMPPTCPConnection.java:1263)
PacketParserUtils: XmlPullParser does not support XML_ROUNDTRIP org.xmlpull.v1.XmlPullParserException: unsupported feature: http://xmlpull.org/v1/doc/features.html#xml-roundtrip (position:START_DOCUMENT null@1:1)
PacketParserUtils: 	at org.kxml2.io.KXmlParser.setFeature(KXmlParser.java:2091)
PacketParserUtils: 	at org.jivesoftware.smack.util.PacketParserUtils.newXmppParser(PacketParserUtils.java:150)
PacketParserUtils: 	at org.jivesoftware.smack.util.PacketParserUtils.newXmppParser(PacketParserUtils.java:172)
PacketParserUtils: 	at org.jivesoftware.smack.tcp.XMPPTCPConnection.openStream(XMPPTCPConnection.java:963)
PacketParserUtils: 	at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.access$200(XMPPTCPConnection.java:970)
PacketParserUtils: 	at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader$1.run(XMPPTCPConnection.java:989)
PacketParserUtils: XmlPullParser does not support XML_ROUNDTRIP org.xmlpull.v1.XmlPullParserException: unsupported feature: http://xmlpull.org/v1/doc/features.html#xml-roundtrip (position:START_DOCUMENT null@1:1)
PacketParserUtils: 	at org.kxml2.io.KXmlParser.setFeature(KXmlParser.java:2091)
PacketParserUtils: 	at org.jivesoftware.smack.util.PacketParserUtils.newXmppParser(PacketParserUtils.java:150)
PacketParserUtils: 	at org.jivesoftware.smack.util.PacketParserUtils.newXmppParser(PacketParserUtils.java:172)
PacketParserUtils: 	at org.jivesoftware.smack.tcp.XMPPTCPConnection.openStream(XMPPTCPConnection.java:963)
PacketParserUtils: 	at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.access$200(XMPPTCPConnection.java:970)
PacketParserUtils: 	at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader$1.run(XMPPTCPConnection.java:989)
PacketParserUtils: XmlPullParser does not support XML_ROUNDTRIP org.xmlpull.v1.XmlPullParserException: unsupported feature: http://xmlpull.org/v1/doc/features.html#xml-roundtrip (position:START_DOCUMENT null@1:1)
PacketParserUtils: 	at org.kxml2.io.KXmlParser.setFeature(KXmlParser.java:2091)
PacketParserUtils: 	at org.jivesoftware.smack.util.PacketParserUtils.newXmppParser(PacketParserUtils.java:150)
PacketParserUtils: 	at org.jivesoftware.smack.util.PacketParserUtils.newXmppParser(PacketParserUtils.java:172)
PacketParserUtils: 	at org.jivesoftware.smack.tcp.XMPPTCPConnection.openStream(XMPPTCPConnection.java:963)
PacketParserUtils: 	at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.access$200(XMPPTCPConnection.java:970)
PacketParserUtils: 	at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader$1.run(XMPPTCPConnection.java:989)
This commit is contained in:
Florian Schmaus 2014-10-19 20:58:42 +02:00
parent ee67bb8aa5
commit 3733a6aaa5
1 changed files with 38 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

43
smack-core/src/main/java/org/jivesoftware/smack/util/PacketParserUtils.java
View file

@ -61,6 +61,35 @@ public class PacketParserUtils {
public static final String FEATURE_XML_ROUNDTRIP = "http://xmlpull.org/v1/doc/features.html#xml-roundtrip";
private static final XmlPullParserFactory XML_PULL_PARSER_FACTORY;
/**
* True if the XmlPullParser supports the XML_ROUNDTRIP feature.
*/
public static final boolean XML_PULL_PARSER_SUPPORTS_ROUNDTRIP;
static {
XmlPullParser xmlPullParser;
boolean roundtrip = false;
try {
XML_PULL_PARSER_FACTORY = XmlPullParserFactory.newInstance();
xmlPullParser = XML_PULL_PARSER_FACTORY.newPullParser();
try {
xmlPullParser.setFeature(FEATURE_XML_ROUNDTRIP, true);
// We could successfully set the feature
roundtrip = true;
} catch (XmlPullParserException e) {
// Doesn't matter if FEATURE_XML_ROUNDTRIP isn't available
LOGGER.log(Level.FINEST, "XmlPullParser does not support XML_ROUNDTRIP", e);
}
}
catch (XmlPullParserException e) {
// Something really bad happened
throw new AssertionError(e);
}
XML_PULL_PARSER_SUPPORTS_ROUNDTRIP = roundtrip;
}
public static XmlPullParser getParserFor(String stanza) throws XmlPullParserException, IOException {
return getParserFor(new StringReader(stanza));
}
@ -146,11 +175,15 @@ public class PacketParserUtils {
public static XmlPullParser newXmppParser() throws XmlPullParserException {
XmlPullParser parser = XmlPullParserFactory.newInstance().newPullParser();
parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
try {
parser.setFeature(FEATURE_XML_ROUNDTRIP, true);
} catch (XmlPullParserException e) {
// Doesn't matter if FEATURE_XML_ROUNDTRIP isn't available
LOGGER.log(Level.FINEST, "XmlPullParser does not support XML_ROUNDTRIP", e);
if (XML_PULL_PARSER_SUPPORTS_ROUNDTRIP) {
try {
parser.setFeature(FEATURE_XML_ROUNDTRIP, true);
}
catch (XmlPullParserException e) {
LOGGER.log(Level.SEVERE,
"XmlPullParser does not support XML_ROUNDTRIP, although it was first determined to be supported",
e);
}
}
return parser;
}