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Code Issues Releases Wiki Activity

Process all XML namespaces in PubSub ItemProvider

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Fixes SMACK-601
This commit is contained in:
Florian Schmaus 2014-08-29 14:59:54 +02:00
parent 1e5f0eb749
commit b5b134f569
4 changed files with 46 additions and 9 deletions
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28
smack-core/src/main/java/org/jivesoftware/smack/util/PacketParserUtils.java
View file

@ -217,8 +217,14 @@ public class PacketParserUtils {
* @throws IOException
*/
public static String parseElement(XmlPullParser parser) throws XmlPullParserException, IOException {
assert(parser.getEventType() == XmlPullParser.START_TAG);
return parseContentDepth(parser, parser.getDepth());
return parseElement(parser, false);
}
public static String parseElement(XmlPullParser parser,
boolean fullNamespaces) throws XmlPullParserException,
IOException {
assert (parser.getEventType() == XmlPullParser.START_TAG);
return parseContentDepth(parser, parser.getDepth(), fullNamespaces);
}
/**
@ -245,28 +251,36 @@ public class PacketParserUtils {
}
// Advance the parser, since we want to parse the content of the current element
parser.next();
return parseContentDepth(parser, parser.getDepth());
return parseContentDepth(parser, parser.getDepth(), false);
}
public static String parseContentDepth(XmlPullParser parser, int depth)
throws XmlPullParserException, IOException {
return parseContentDepth(parser, depth, false);
}
/**
* Returns the content from the current position of the parser up to the closing tag of the
* given depth. Note that only the outermost namespace attributes ("xmlns") will be returned,
* not nested ones.
* not nested ones, if <code>fullNamespaces</code> is false. If it is true, then namespaces of
* parent elements will be added to child elements that don't define a different namespace.
* <p>
* This method is able to parse the content with MX- and KXmlParser. In order to achieve
* this some trade-off has to be make, because KXmlParser does not support xml-roundtrip (ie.
* return a String on getText() on START_TAG and END_TAG). We are therefore required to work
* around this limitation, which results in only partial support for XML namespaces ("xmlns"):
* Only the outermost namespace of elements will be included in the resulting String.
* Only the outermost namespace of elements will be included in the resulting String, if
* <code>fullNamespaces</code> is set to false.
* </p>
*
* @param parser
* @param depth
* @param fullNamespaces
* @return the content of the current depth
* @throws XmlPullParserException
* @throws IOException
*/
public static String parseContentDepth(XmlPullParser parser, int depth) throws XmlPullParserException, IOException {
public static String parseContentDepth(XmlPullParser parser, int depth, boolean fullNamespaces) throws XmlPullParserException, IOException {
XmlStringBuilder xml = new XmlStringBuilder();
int event = parser.getEventType();
boolean isEmptyElement = false;
@ -277,7 +291,7 @@ public class PacketParserUtils {
while (true) {
if (event == XmlPullParser.START_TAG) {
xml.halfOpenElement(parser.getName());
if (namespaceElement == null) {
if (namespaceElement == null || fullNamespaces) {
String namespace = parser.getNamespace();
if (StringUtils.isNotEmpty(namespace)) {
xml.attribute("xmlns", namespace);

2
smack-core/src/test/java/org/jivesoftware/smack/parsing/ParsingExceptionTest.java
View file

@ -67,7 +67,7 @@ public class ParsingExceptionTest {
try {
PacketParserUtils.parseMessage(parser);
} catch (Exception e) {
content = PacketParserUtils.parseContentDepth(parser, parserDepth);
content = PacketParserUtils.parseContentDepth(parser, parserDepth, false);
}
assertNotNull(content);
assertEquals(MESSAGE_EXCEPTION_ELEMENT + EXTENSION2 + "</message>", content);

23
smack-core/src/test/java/org/jivesoftware/smack/util/PacketParserUtilsTest.java
View file

@ -24,9 +24,14 @@ import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.util.Locale;
import java.util.Properties;
import javax.xml.parsers.FactoryConfigurationError;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.TransformerException;
import org.custommonkey.xmlunit.Diff;
import org.custommonkey.xmlunit.examples.RecursiveElementNameAndTextQualifier;
import org.jivesoftware.smack.packet.Message;
@ -34,6 +39,7 @@ import org.jivesoftware.smack.packet.Packet;
import org.jivesoftware.smack.packet.Presence;
import org.jivesoftware.smack.test.util.TestUtils;
import org.junit.Test;
import org.xml.sax.SAXException;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
@ -790,6 +796,23 @@ public class PacketParserUtilsTest {
assertEquals("", content);
}
@Test
public void parseElementMultipleNamespace()
throws ParserConfigurationException,
FactoryConfigurationError, XmlPullParserException,
IOException, TransformerException, SAXException {
// @formatter:off
final String stanza = XMLBuilder.create("outer", "outerNamespace").a("outerAttribute", "outerValue")
.element("inner", "innerNamespace").a("innverAttribute", "innerValue")
.element("innermost")
.t("some text")
.asString();
// @formatter:on
XmlPullParser parser = TestUtils.getParser(stanza, "outer");
String result = PacketParserUtils.parseElement(parser, true);
assertXMLEqual(stanza, result);
}
private String determineNonDefaultLanguage() {
String otherLanguage = "jp";
Locale[] availableLocales = Locale.getAvailableLocales();

2
smack-extensions/src/main/java/org/jivesoftware/smackx/pubsub/provider/ItemProvider.java
View file

@ -54,7 +54,7 @@ public class ItemProvider implements PacketExtensionProvider
if (ProviderManager.getExtensionProvider(payloadElemName, payloadNS) == null)
{
String payloadText = PacketParserUtils.parseElement(parser);
String payloadText = PacketParserUtils.parseElement(parser, true);
return new PayloadItem<SimplePayload>(id, node, new SimplePayload(payloadElemName, payloadNS, payloadText));
}
else