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Code Issues Releases Wiki Activity

Cache the parser availability of the roundtrip feature 

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;
}