Introduce JingleSocks5TransportInfo class

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_s5b/elements/JingleSocks5BytestreamTransport.java

@@ -8,6 +8,7 @@ import org.jivesoftware.smack.util.XmlStringBuilder;
 import org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream;
 import org.jivesoftware.smackx.jingle.element.JingleContentTransport;
 import org.jivesoftware.smackx.jingle.element.JingleContentTransportCandidate;
+import org.jivesoftware.smackx.jingle.element.JingleContentTransportInfo;
 
 /**
  * Socks5Bytestream transport element.
@@ -22,22 +23,11 @@ public class JingleSocks5BytestreamTransport extends JingleContentTransport {
     private final String dstAddr;
     private final Bytestream.Mode mode;
 
-    private final String candidateUsed;
+    protected JingleSocks5BytestreamTransport(List<JingleContentTransportCandidate> candidates, List<JingleContentTransportInfo> infos, String streamId, String dstAddr, Bytestream.Mode mode) {
-    private final String candidateActivated;
+        super(candidates, infos);
-    private final boolean candidateError;
-    private final boolean proxyError;
-
-    protected JingleSocks5BytestreamTransport(List<JingleContentTransportCandidate> candidates, String streamId, String dstAddr, Bytestream.Mode mode,
-                                              String candidateUsed, String candidateActivated, boolean candidateError, boolean proxyError) {
-        super(candidates);
         this.streamId = streamId;
         this.dstAddr = dstAddr;
         this.mode = mode;
-
-        this.candidateUsed = candidateUsed;
-        this.candidateActivated = candidateActivated;
-        this.candidateError = candidateError;
-        this.proxyError = proxyError;
     }
 
     public String getStreamId() {
@@ -49,7 +39,7 @@ public class JingleSocks5BytestreamTransport extends JingleContentTransport {
     }
 
     public Bytestream.Mode getMode() {
-        return mode;
+        return mode == null ? Bytestream.Mode.tcp : mode;
     }
 
     @Override
@@ -59,8 +49,8 @@ public class JingleSocks5BytestreamTransport extends JingleContentTransport {
 
     @Override
     protected void addExtraAttributes(XmlStringBuilder xml) {
-        xml.attribute(ATTR_DSTADDR, dstAddr);
+        xml.optAttribute(ATTR_DSTADDR, dstAddr);
-        xml.attribute(ATTR_MODE, mode.toString());
+        xml.optAttribute(ATTR_MODE, mode);
         xml.attribute(ATTR_SID, streamId);
     }
 
@@ -69,16 +59,11 @@ public class JingleSocks5BytestreamTransport extends JingleContentTransport {
     }
 
     public static class Builder {
-
-        private String candidateUsed;
-        private String candidateActivated;
-        private boolean proxyError;
-        private boolean candidateError;
-
         private String streamId;
         private String dstAddr;
-        private Bytestream.Mode mode = Bytestream.Mode.tcp;
+        private Bytestream.Mode mode;
         private ArrayList<JingleContentTransportCandidate> candidates = new ArrayList<>();
+        private ArrayList<JingleContentTransportInfo> infos = new ArrayList<>();
 
         public Builder setStreamId(String sid) {
             this.streamId = sid;
@@ -100,29 +85,30 @@ public class JingleSocks5BytestreamTransport extends JingleContentTransport {
             return this;
         }
 
-        public Builder setCandidateUsed(String candidateId) {
+        public Builder addTransportInfo(JingleContentTransportInfo info) {
-            this.candidateUsed = candidateId;
+            this.infos.add(info);
             return this;
         }
 
+        public Builder setCandidateUsed(String candidateId) {
+            return addTransportInfo(JingleSocks5BytestreamTransportInfo.CandidateUsed(candidateId));
+        }
+
         public Builder setCandidateActivated(String candidateId) {
-            this.candidateActivated = candidateId;
+            return addTransportInfo(JingleSocks5BytestreamTransportInfo.CandidateActivated(candidateId));
-            return this;
         }
 
         public Builder setCandidateError() {
-            this.candidateError = true;
+            return addTransportInfo(JingleSocks5BytestreamTransportInfo.CandidateError());
-            return this;
         }
 
         public Builder setProxyError() {
-            this.proxyError = true;
+            return addTransportInfo(JingleSocks5BytestreamTransportInfo.ProxyError());
-            return this;
         }
 
         public JingleSocks5BytestreamTransport build() {
             StringUtils.requireNotNullOrEmpty(streamId, "sid MUST be neither null, nor empty.");
-            return new JingleSocks5BytestreamTransport(candidates, streamId, dstAddr, mode, candidateUsed, candidateActivated, candidateError, proxyError);
+            return new JingleSocks5BytestreamTransport(candidates, infos, streamId, dstAddr, mode);
         }
     }
 }

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_s5b/elements/JingleSocks5BytestreamTransportCandidate.java

@@ -168,55 +168,4 @@ public class JingleSocks5BytestreamTransportCandidate extends JingleContentTrans
             return new JingleSocks5BytestreamTransportCandidate(cid, host, jid, port, priority, type);
         }
     }
-
-    public static class CandidateUsed extends JingleContentTransportCandidate {
-
-        public static final String ELEMENT = "candidate-used";
-        public static final String ATTR_CID = "cid";
-
-        private final String candidateId;
-
-        public CandidateUsed(String candidateId) {
-            this.candidateId = candidateId;
-        }
-
-        @Override
-        public CharSequence toXML() {
-            XmlStringBuilder xml = new XmlStringBuilder();
-            xml.halfOpenElement(this);
-            xml.attribute(ATTR_CID, candidateId);
-            xml.closeEmptyElement();
-            return xml;
-        }
-    }
-
-    public static class CandidateActivated extends JingleContentTransportCandidate {
-
-        public static final String ELEMENT = "candidate-activated";
-        public static final String ATTR_CID = "cid";
-
-        private final String candidateId;
-
-        public CandidateActivated(String candidateId) {
-            this.candidateId = candidateId;
-        }
-
-        @Override
-        public CharSequence toXML() {
-            XmlStringBuilder xml = new XmlStringBuilder();
-            xml.halfOpenElement(this);
-            xml.attribute(ATTR_CID, candidateId);
-            xml.closeEmptyElement();
-            return xml;
-        }
-    }
-
-    public static class CandidateError extends JingleContentTransportCandidate {
-        public static final String ELEMENT = "candidate-error";
-
-        @Override
-        public CharSequence toXML() {
-            return new XmlStringBuilder(this).closeEmptyElement();
-        }
-    }
 }

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_s5b/elements/JingleSocks5BytestreamTransportInfo.java

@@ -0,0 +1,177 @@
+package org.jivesoftware.smackx.jingle_s5b.elements;
+
+import org.jivesoftware.smack.util.XmlStringBuilder;
+import org.jivesoftware.smackx.jingle.element.JingleContentTransportInfo;
+
+/**
+ * Class representing possible SOCKS5 TransportInfo elements.
+ */
+public abstract class JingleSocks5BytestreamTransportInfo extends JingleContentTransportInfo {
+
+    private static CandidateError CEI;
+    private static ProxyError PEI;
+
+    public static CandidateUsed CandidateUsed(String candidateId) {
+        return new CandidateUsed(candidateId);
+    }
+
+    public static CandidateActivated CandidateActivated(String candidateId) {
+        return new CandidateActivated(candidateId);
+    }
+
+    public static CandidateError CandidateError() {
+        if (CEI == null) {
+            CEI = new CandidateError();
+        }
+        return CEI;
+    }
+
+    public static ProxyError ProxyError() {
+        if (PEI == null) {
+            PEI = new ProxyError();
+        }
+        return PEI;
+    }
+
+    public static class CandidateActivated extends JingleSocks5BytestreamTransportInfo {
+        public static final String ELEMENT = "candidate-activated";
+        public static final String ATTR_CID = "cid";
+
+        private final String candidateId;
+
+        public CandidateActivated(String candidateId) {
+            this.candidateId = candidateId;
+        }
+
+        public String getCandidateId() {
+            return candidateId;
+        }
+
+        @Override
+        public String getElementName() {
+            return ELEMENT;
+        }
+
+        @Override
+        public CharSequence toXML() {
+            XmlStringBuilder xml = new XmlStringBuilder();
+            xml.halfOpenElement(this);
+            xml.attribute(ATTR_CID, candidateId);
+            xml.closeEmptyElement();
+            return xml;
+        }
+
+        @Override
+        public boolean equals(Object other) {
+            return other instanceof CandidateActivated &&
+                    ((CandidateActivated) other).getCandidateId().equals(candidateId);
+        }
+
+        @Override
+        public int hashCode() {
+            return toXML().toString().hashCode();
+        }
+    }
+
+    public static class CandidateUsed extends JingleSocks5BytestreamTransportInfo {
+        public static final String ELEMENT = "candidate-used";
+        public static final String ATTR_CID = "cid";
+
+        private final String candidateId;
+
+        public CandidateUsed(String candidateId) {
+            this.candidateId = candidateId;
+        }
+
+        public String getCandidateId() {
+            return candidateId;
+        }
+
+        @Override
+        public String getElementName() {
+            return ELEMENT;
+        }
+
+        @Override
+        public CharSequence toXML() {
+            XmlStringBuilder xml = new XmlStringBuilder();
+            xml.halfOpenElement(this);
+            xml.attribute(ATTR_CID, candidateId);
+            xml.closeEmptyElement();
+            return xml;
+        }
+
+        @Override
+        public boolean equals(Object other) {
+            return other instanceof CandidateUsed &&
+                    ((CandidateUsed) other).getCandidateId().equals(candidateId);
+        }
+
+        @Override
+        public int hashCode() {
+            return toXML().toString().hashCode();
+        }
+    }
+
+    public static class CandidateError extends JingleSocks5BytestreamTransportInfo {
+        public static final String ELEMENT = "candidate-error";
+
+        private CandidateError() {
+
+        }
+
+        @Override
+        public String getElementName() {
+            return ELEMENT;
+        }
+
+        @Override
+        public CharSequence toXML() {
+            XmlStringBuilder xml = new XmlStringBuilder();
+            xml.halfOpenElement(this);
+            xml.closeEmptyElement();
+            return xml;
+        }
+
+        @Override
+        public boolean equals(Object other) {
+            return other instanceof CandidateError;
+        }
+
+        @Override
+        public int hashCode() {
+            return toXML().toString().hashCode();
+        }
+    }
+
+    public static class ProxyError extends JingleSocks5BytestreamTransportInfo {
+        public static final String ELEMENT = "proxy-error";
+
+        private ProxyError() {
+
+        }
+
+        @Override
+        public String getElementName() {
+            return ELEMENT;
+        }
+
+        @Override
+        public CharSequence toXML() {
+            XmlStringBuilder xml = new XmlStringBuilder();
+            xml.halfOpenElement(this);
+            xml.closeEmptyElement();
+            return xml;
+        }
+
+        @Override
+        public boolean equals(Object other) {
+            return other instanceof ProxyError;
+        }
+
+        @Override
+        public int hashCode() {
+            return toXML().toString().hashCode();
+        }
+    }
+}

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_s5b/provider/JingleSocks5BytestreamTransportProvider.java

@@ -18,6 +18,7 @@ import org.jivesoftware.smackx.jingle.element.JingleContentTransport;
 import org.jivesoftware.smackx.jingle.provider.JingleContentTransportProvider;
 import org.jivesoftware.smackx.jingle_s5b.elements.JingleSocks5BytestreamTransport;
 import org.jivesoftware.smackx.jingle_s5b.elements.JingleSocks5BytestreamTransportCandidate;
+import org.jivesoftware.smackx.jingle_s5b.elements.JingleSocks5BytestreamTransportInfo;
 import org.xmlpull.v1.XmlPullParser;
 
 /**
@@ -28,7 +29,6 @@ public class JingleSocks5BytestreamTransportProvider extends JingleContentTransp
     private static final Logger LOGGER = Logger.getLogger(JingleSocks5BytestreamTransportProvider.class.getName());
     @Override
     public JingleSocks5BytestreamTransport parse(XmlPullParser parser, int initialDepth) throws Exception {
-        String namespace = JingleSocks5BytestreamTransport.NAMESPACE_V1;
         JingleSocks5BytestreamTransport.Builder builder = JingleSocks5BytestreamTransport.getBuilder();
 
         String streamId = parser.getAttributeValue(null, JingleSocks5BytestreamTransport.ATTR_SID);
@@ -45,11 +45,14 @@ public class JingleSocks5BytestreamTransportProvider extends JingleContentTransp
             builder.setMode(mode.equals(udp.toString()) ? udp : tcp);
         }
 
-        JingleSocks5BytestreamTransportCandidate.Builder cb = null;
+        JingleSocks5BytestreamTransportCandidate.Builder cb;
         while (true) {
             int tag = parser.nextTag();
             String name = parser.getName();
-            if (tag == START_TAG && name.equals(JingleSocks5BytestreamTransportCandidate.ELEMENT)) {
+            if (tag == START_TAG) {
+                switch (name) {
+
+                    case JingleSocks5BytestreamTransportCandidate.ELEMENT:
                     LOGGER.log(Level.SEVERE, "Payload");
                     cb = JingleSocks5BytestreamTransportCandidate.getBuilder();
                     cb.setCandidateId(parser.getAttributeValue(null, ATTR_CID));
@@ -67,6 +70,32 @@ public class JingleSocks5BytestreamTransportProvider extends JingleContentTransp
                         cb.setType(JingleSocks5BytestreamTransportCandidate.Type.fromString(typeString));
                     }
                     builder.addTransportCandidate(cb.build());
+                    break;
+
+                    case JingleSocks5BytestreamTransportInfo.CandidateActivated.ELEMENT:
+                        LOGGER.log(Level.INFO, "Candidate-Activated found");
+                        builder.addTransportInfo(JingleSocks5BytestreamTransportInfo.CandidateActivated(
+                                parser.getAttributeValue(null,
+                                        JingleSocks5BytestreamTransportInfo.CandidateActivated.ATTR_CID)));
+                        break;
+
+                    case JingleSocks5BytestreamTransportInfo.CandidateUsed.ELEMENT:
+                        LOGGER.log(Level.INFO, "Candidate-Used found");
+                        builder.addTransportInfo(JingleSocks5BytestreamTransportInfo.CandidateUsed(
+                                parser.getAttributeValue(null,
+                                        JingleSocks5BytestreamTransportInfo.CandidateUsed.ATTR_CID)));
+                        break;
+
+                    case JingleSocks5BytestreamTransportInfo.CandidateError.ELEMENT:
+                        LOGGER.log(Level.INFO, "Candidate-Error found");
+                        builder.addTransportInfo(JingleSocks5BytestreamTransportInfo.CandidateError());
+                        break;
+
+                    case JingleSocks5BytestreamTransportInfo.ProxyError.ELEMENT:
+                        LOGGER.log(Level.INFO, "Proxy-Error found");
+                        builder.addTransportInfo(JingleSocks5BytestreamTransportInfo.ProxyError());
+                        break;
+                }
             }
 
             if (tag == END_TAG && name.equals(JingleContentTransport.ELEMENT)) {

smack-experimental/src/test/java/org/jivesoftware/smackx/jingle_s5b/JingleSocks5BytestreamTransportTest.java

@@ -1,5 +1,6 @@
 package org.jivesoftware.smackx.jingle_s5b;
 
+import static junit.framework.TestCase.assertNull;
 import static org.junit.Assert.assertEquals;
 
 import org.jivesoftware.smack.test.util.SmackTestSuite;
@@ -7,6 +8,7 @@ import org.jivesoftware.smack.test.util.TestUtils;
 import org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream;
 import org.jivesoftware.smackx.jingle_s5b.elements.JingleSocks5BytestreamTransport;
 import org.jivesoftware.smackx.jingle_s5b.elements.JingleSocks5BytestreamTransportCandidate;
+import org.jivesoftware.smackx.jingle_s5b.elements.JingleSocks5BytestreamTransportInfo;
 import org.jivesoftware.smackx.jingle_s5b.provider.JingleSocks5BytestreamTransportProvider;
 import org.junit.Test;
 import org.jxmpp.jid.impl.JidCreate;
@@ -17,7 +19,7 @@ import org.jxmpp.jid.impl.JidCreate;
 public class JingleSocks5BytestreamTransportTest extends SmackTestSuite {
 
     @Test
-    public void providerTest() throws Exception {
+    public void candidatesProviderTest() throws Exception {
         String xml =
                 "<transport " +
                         "xmlns='urn:xmpp:jingle:transports:s5b:1' " +
@@ -85,4 +87,61 @@ public class JingleSocks5BytestreamTransportTest extends SmackTestSuite {
 
         assertEquals(xml, transport.toXML().toString());
     }
+
+    @Test
+    public void infoProviderTest() throws Exception {
+        String candidateError =
+                "<transport xmlns='urn:xmpp:jingle:transports:s5b:1' sid='vj3hs98y'>" +
+                    "<candidate-error/>" +
+                "</transport>";
+        JingleSocks5BytestreamTransport candidateErrorTransport = new JingleSocks5BytestreamTransportProvider()
+                .parse(TestUtils.getParser(candidateError));
+        assertNull(candidateErrorTransport.getDestinationAddress());
+        assertEquals(1, candidateErrorTransport.getInfos().size());
+        assertEquals("vj3hs98y", candidateErrorTransport.getStreamId());
+        assertEquals(JingleSocks5BytestreamTransportInfo.CandidateError(),
+                candidateErrorTransport.getInfos().get(0));
+        assertEquals(candidateError, candidateErrorTransport.toXML().toString());
+
+        String proxyError =
+                "<transport xmlns='urn:xmpp:jingle:transports:s5b:1' sid='vj3hs98y'>" +
+                        "<proxy-error/>" +
+                        "</transport>";
+        JingleSocks5BytestreamTransport proxyErrorTransport = new JingleSocks5BytestreamTransportProvider()
+                .parse(TestUtils.getParser(proxyError));
+        assertNull(proxyErrorTransport.getDestinationAddress());
+        assertEquals(1, proxyErrorTransport.getInfos().size());
+        assertEquals("vj3hs98y", proxyErrorTransport.getStreamId());
+        assertEquals(JingleSocks5BytestreamTransportInfo.ProxyError(),
+                proxyErrorTransport.getInfos().get(0));
+        assertEquals(proxyError, proxyErrorTransport.toXML().toString());
+
+        String candidateUsed =
+                "<transport xmlns='urn:xmpp:jingle:transports:s5b:1' sid='vj3hs98y'>" +
+                        "<candidate-used cid='hr65dqyd'/>" +
+                        "</transport>";
+        JingleSocks5BytestreamTransport candidateUsedTransport = new JingleSocks5BytestreamTransportProvider()
+                .parse(TestUtils.getParser(candidateUsed));
+        assertEquals(1, candidateUsedTransport.getInfos().size());
+        assertEquals(JingleSocks5BytestreamTransportInfo.CandidateUsed("hr65dqyd"),
+                candidateUsedTransport.getInfos().get(0));
+        assertEquals("hr65dqyd",
+                ((JingleSocks5BytestreamTransportInfo.CandidateUsed)
+                        candidateUsedTransport.getInfos().get(0)).getCandidateId());
+        assertEquals(candidateUsed, candidateUsedTransport.toXML().toString());
+
+        String candidateActivated =
+                "<transport xmlns='urn:xmpp:jingle:transports:s5b:1' sid='vj3hs98y'>" +
+                        "<candidate-activated cid='hr65dqyd'/>" +
+                        "</transport>";
+        JingleSocks5BytestreamTransport candidateActivatedTransport = new JingleSocks5BytestreamTransportProvider()
+                .parse(TestUtils.getParser(candidateActivated));
+        assertEquals(1, candidateActivatedTransport.getInfos().size());
+        assertEquals(JingleSocks5BytestreamTransportInfo.CandidateActivated("hr65dqyd"),
+                candidateActivatedTransport.getInfos().get(0));
+        assertEquals("hr65dqyd",
+                ((JingleSocks5BytestreamTransportInfo.CandidateActivated)
+                        candidateActivatedTransport.getInfos().get(0)).getCandidateId());
+        assertEquals(candidateActivated, candidateActivatedTransport.toXML().toString());
+    }
 }

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/element/JingleContentTransport.java

@@ -74,7 +74,7 @@ public abstract class JingleContentTransport implements ExtensionElement {
         XmlStringBuilder xml = new XmlStringBuilder(this);
         addExtraAttributes(xml);
 
-        if (candidates.isEmpty()) {
+        if (candidates.isEmpty() && infos.isEmpty()) {
             xml.closeEmptyElement();
 
         } else {