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SMACK-452 Correctly parse stream error packets 

Modified PacketParserUtils.parseStreamError() to take into account that
there may be an optional text element and an optional application
specific element.

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/branches/smack_3_3_2@13767 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Florian Schmaus 2013-10-09 17:02:34 +00:00 committed by flow
parent b253203cfb
commit bd709dc323
3 changed files with 126 additions and 7 deletions
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18
source/org/jivesoftware/smack/packet/StreamError.java
View File

@ -82,13 +82,21 @@ package org.jivesoftware.smack.packet;
*/
public class StreamError {
public static final String NAMESPACE = "urn:ietf:params:xml:ns:xmpp-streams";
private String code;
private String text;
public StreamError(String code) {
super();
this.code = code;
}
public StreamError(String code, String text) {
this(code);
this.text = text;
}
/**
* Returns the error code.
*
@ -98,9 +106,19 @@ public class StreamError {
return code;
}
/**
* Returns the error text, which may be null.
*
* @return the error text.
*/
public String getText() {
return text;
}
public String toString() {
StringBuilder txt = new StringBuilder();
txt.append("stream:error (").append(code).append(")");
if (text != null) txt.append(" text: ").append(text);
return txt.toString();
}
}

26
source/org/jivesoftware/smack/util/PacketParserUtils.java
View File

@ -695,21 +695,33 @@ public class PacketParserUtils {
*/
public static StreamError parseStreamError(XmlPullParser parser) throws IOException,
XmlPullParserException {
StreamError streamError = null;
final int depth = parser.getDepth();
boolean done = false;
String code = null;
String text = null;
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
streamError = new StreamError(parser.getName());
}
else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("error")) {
done = true;
String namespace = parser.getNamespace();
if (StreamError.NAMESPACE.equals(namespace)) {
String name = parser.getName();
if (name.equals("text") && !parser.isEmptyElementTag()) {
parser.next();
text = parser.getText();
}
else {
// If it's not a text element, that is qualified by the StreamError.NAMESPACE,
// then it has to be the stream error code
code = name;
}
}
}
else if (eventType == XmlPullParser.END_TAG && depth == parser.getDepth()) {
done = true;
}
}
return streamError;
return new StreamError(code, text);
}
/**

89
test-unit/org/jivesoftware/smack/packet/StreamErrorTest.java Normal file
View File

@ -0,0 +1,89 @@
package org.jivesoftware.smack.packet;
import static org.junit.Assert.*;
import org.jivesoftware.smack.TestUtils;
import org.jivesoftware.smack.packet.StreamError;
import org.jivesoftware.smack.util.PacketParserUtils;
import org.junit.Test;
import org.xmlpull.v1.XmlPullParser;
public class StreamErrorTest {
@Test
public void testParsingOfSimpleStreamError() {
StreamError error = null;
final String xml =
// Usually the stream:stream element has more attributes (to, version, ...)
// We omit those, since they are not relevant for testing
"<stream:stream from='im.example.com' id='++TR84Sm6A3hnt3Q065SnAbbk3Y=' xmlns:stream='http://etherx.jabber.org/streams'>" +
"<stream:error>" +
"<conflict xmlns='urn:ietf:params:xml:ns:xmpp-streams' /> +" +
"</stream:error>" +
"</stream:stream>";
try {
XmlPullParser parser = TestUtils.getParser(xml, "error");
error = PacketParserUtils.parseStreamError(parser);
} catch (Exception e) {
fail(e.getMessage());
}
assertNotNull(error);
assertEquals("conflict", error.getCode());
}
@Test
public void testParsingOfStreamErrorWithText() {
StreamError error = null;
final String xml =
// Usually the stream:stream element has more attributes (to, version, ...)
// We omit those, since they are not relevant for testing
"<stream:stream from='im.example.com' id='++TR84Sm6A3hnt3Q065SnAbbk3Y=' xmlns:stream='http://etherx.jabber.org/streams'>" +
"<stream:error>" +
"<conflict xmlns='urn:ietf:params:xml:ns:xmpp-streams' />" +
"<text xml:lang='' xmlns='urn:ietf:params:xml:ns:xmpp-streams'>" +
"Replaced by new connection" +
"</text>" +
"</stream:error>" +
"</stream:stream>";
try {
XmlPullParser parser = TestUtils.getParser(xml, "error");
error = PacketParserUtils.parseStreamError(parser);
} catch (Exception e) {
fail(e.getMessage());
}
assertNotNull(error);
assertEquals("conflict", error.getCode());
assertEquals("Replaced by new connection", error.getText());
}
@Test
public void testParsingOfStreamErrorWithTextAndOptionalElement() {
StreamError error = null;
final String xml =
// Usually the stream:stream element has more attributes (to, version, ...)
// We omit those, since they are not relevant for testing
"<stream:stream from='im.example.com' id='++TR84Sm6A3hnt3Q065SnAbbk3Y=' xmlns:stream='http://etherx.jabber.org/streams'>" +
"<stream:error>" +
"<conflict xmlns='urn:ietf:params:xml:ns:xmpp-streams' />" +
"<text xml:lang='' xmlns='urn:ietf:params:xml:ns:xmpp-streams'>" +
"Replaced by new connection" +
"</text>" +
"<appSpecificElement>" +
"Text contents of application-specific condition element: Foo Bar" +
"</appSpecificElement>" +
"</stream:error>" +
"</stream:stream>";
try {
XmlPullParser parser = TestUtils.getParser(xml, "error");
error = PacketParserUtils.parseStreamError(parser);
} catch (Exception e) {
fail(e.getMessage());
}
assertNotNull(error);
assertEquals("conflict", error.getCode());
assertEquals("Replaced by new connection", error.getText());
// As of now, Smack ignores application-specific condition elements, so we don't
// test them.
}
}