add helper methods for content modification to RtpContentMap
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e2f98f6bbc
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f4be142e4d
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@ -1,7 +1,9 @@
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package eu.siacs.conversations.xmpp.jingle;
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import com.google.common.base.MoreObjects;
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import com.google.common.base.Objects;
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import com.google.common.base.Preconditions;
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import com.google.common.base.Predicates;
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import com.google.common.base.Strings;
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import com.google.common.collect.Collections2;
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import com.google.common.collect.ImmutableList;
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@ -236,6 +238,23 @@ public class RtpContentMap {
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throw new IllegalStateException("Content map doesn't have distinct DTLS setup");
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}
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private DTLS getDistinctDtls() {
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final Set<DTLS> dtlsSet =
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ImmutableSet.copyOf(
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Collections2.transform(
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contents.values(),
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dt -> {
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final IceUdpTransportInfo.Fingerprint fp =
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dt.transport.getFingerprint();
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return new DTLS(fp.getHash(), fp.getSetup(), fp.getContent());
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}));
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final DTLS dtls = Iterables.getFirst(dtlsSet, null);
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if (dtlsSet.size() == 1 && dtls != null) {
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return dtls;
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}
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throw new IllegalStateException("Content map doesn't have distinct DTLS setup");
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}
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public boolean emptyCandidates() {
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int count = 0;
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for (DescriptionTransport descriptionTransport : contents.values()) {
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@ -262,12 +281,22 @@ public class RtpContentMap {
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return new RtpContentMap(this.group, contentMapBuilder.build());
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}
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public RtpContentMap toContentModification(final Collection<String> modifications) {
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return new RtpContentMap(
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this.group,
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Maps.transformValues(
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Maps.filterKeys(contents, Predicates.in(modifications)),
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dt ->
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new DescriptionTransport(
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dt.senders, dt.description, IceUdpTransportInfo.STUB)));
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}
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public Diff diff(final RtpContentMap rtpContentMap) {
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final Set<String> existingContentIds = this.contents.keySet();
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final Set<String> newContentIds = rtpContentMap.contents.keySet();
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return new Diff(
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Sets.difference(newContentIds, existingContentIds),
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Sets.difference(existingContentIds, newContentIds));
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ImmutableSet.copyOf(Sets.difference(newContentIds, existingContentIds)),
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ImmutableSet.copyOf(Sets.difference(existingContentIds, newContentIds)));
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}
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public boolean iceRestart(final RtpContentMap rtpContentMap) {
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@ -278,6 +307,26 @@ public class RtpContentMap {
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}
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}
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public RtpContentMap addContent(final RtpContentMap modification) {
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final IceUdpTransportInfo.Credentials credentials = getDistinctCredentials();
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final DTLS dtls = getDistinctDtls();
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final IceUdpTransportInfo iceUdpTransportInfo =
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IceUdpTransportInfo.of(credentials, dtls.setup, dtls.hash, dtls.fingerprint);
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final Map<String, DescriptionTransport> combined =
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new ImmutableMap.Builder<String, DescriptionTransport>()
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.putAll(contents)
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.putAll(
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Maps.transformValues(
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modification.contents,
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dt ->
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new DescriptionTransport(
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dt.senders,
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dt.description,
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iceUdpTransportInfo)))
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.build();
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return new RtpContentMap(modification.group, combined);
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}
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public static class DescriptionTransport {
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public final Content.Senders senders;
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public final RtpDescription description;
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@ -370,4 +419,31 @@ public class RtpContentMap {
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.toString();
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}
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}
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public static final class DTLS {
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public final String hash;
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public final IceUdpTransportInfo.Setup setup;
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public final String fingerprint;
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private DTLS(String hash, IceUdpTransportInfo.Setup setup, String fingerprint) {
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this.hash = hash;
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this.setup = setup;
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this.fingerprint = fingerprint;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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DTLS dtls = (DTLS) o;
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return Objects.equal(hash, dtls.hash)
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&& setup == dtls.setup
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&& Objects.equal(fingerprint, dtls.fingerprint);
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}
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@Override
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public int hashCode() {
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return Objects.hashCode(hash, setup, fingerprint);
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}
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}
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}
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@ -186,15 +186,22 @@ public class WebRTCWrapper {
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}
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@Override
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public void onTrack(RtpTransceiver transceiver) {
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public void onTrack(final RtpTransceiver transceiver) {
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Log.d(
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EXTENDED_LOGGING_TAG,
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"onTrack(mid="
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+ transceiver.getMid()
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+ ",media="
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+ transceiver.getMediaType()
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+ ",direction="
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+ transceiver.getDirection()
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+ ")");
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}
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@Override
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public void onRemoveTrack(final RtpReceiver receiver) {
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Log.d(EXTENDED_LOGGING_TAG, "onRemoveTrack(" + receiver.id() + ")");
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}
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};
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@Nullable private PeerConnectionFactory peerConnectionFactory = null;
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@Nullable private PeerConnection peerConnection = null;
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@ -12,8 +12,6 @@ import com.google.common.collect.Collections2;
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.Iterables;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.Hashtable;
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import java.util.LinkedHashMap;
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@ -28,23 +26,29 @@ import eu.siacs.conversations.xmpp.jingle.SessionDescription;
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public class IceUdpTransportInfo extends GenericTransportInfo {
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public static final IceUdpTransportInfo STUB = new IceUdpTransportInfo();
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public IceUdpTransportInfo() {
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super("transport", Namespace.JINGLE_TRANSPORT_ICE_UDP);
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}
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public static IceUdpTransportInfo upgrade(final Element element) {
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Preconditions.checkArgument("transport".equals(element.getName()), "Name of provided element is not transport");
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Preconditions.checkArgument(Namespace.JINGLE_TRANSPORT_ICE_UDP.equals(element.getNamespace()), "Element does not match ice-udp transport namespace");
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Preconditions.checkArgument(
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"transport".equals(element.getName()), "Name of provided element is not transport");
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Preconditions.checkArgument(
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Namespace.JINGLE_TRANSPORT_ICE_UDP.equals(element.getNamespace()),
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"Element does not match ice-udp transport namespace");
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final IceUdpTransportInfo transportInfo = new IceUdpTransportInfo();
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transportInfo.setAttributes(element.getAttributes());
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transportInfo.setChildren(element.getChildren());
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return transportInfo;
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}
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public static IceUdpTransportInfo of(SessionDescription sessionDescription, SessionDescription.Media media) {
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public static IceUdpTransportInfo of(
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SessionDescription sessionDescription, SessionDescription.Media media) {
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final String ufrag = Iterables.getFirst(media.attributes.get("ice-ufrag"), null);
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final String pwd = Iterables.getFirst(media.attributes.get("ice-pwd"), null);
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IceUdpTransportInfo iceUdpTransportInfo = new IceUdpTransportInfo();
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final IceUdpTransportInfo iceUdpTransportInfo = new IceUdpTransportInfo();
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if (ufrag != null) {
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iceUdpTransportInfo.setAttribute("ufrag", ufrag);
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}
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@ -56,7 +60,15 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
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iceUdpTransportInfo.addChild(fingerprint);
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}
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return iceUdpTransportInfo;
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}
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public static IceUdpTransportInfo of(
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final Credentials credentials, final Setup setup, final String hash, final String fingerprint) {
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final IceUdpTransportInfo iceUdpTransportInfo = new IceUdpTransportInfo();
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iceUdpTransportInfo.addChild(Fingerprint.of(setup, hash, fingerprint));
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iceUdpTransportInfo.setAttribute("ufrag", credentials.ufrag);
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iceUdpTransportInfo.setAttribute("pwd", credentials.password);
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return iceUdpTransportInfo;
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}
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public Fingerprint getFingerprint() {
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@ -91,7 +103,8 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
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transportInfo.setAttribute("ufrag", credentials.ufrag);
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transportInfo.setAttribute("pwd", credentials.password);
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for (final Element child : getChildren()) {
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if (child.getName().equals("fingerprint") && Namespace.JINGLE_APPS_DTLS.equals(child.getNamespace())) {
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if (child.getName().equals("fingerprint")
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&& Namespace.JINGLE_APPS_DTLS.equals(child.getNamespace())) {
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final Fingerprint fingerprint = new Fingerprint();
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fingerprint.setAttributes(new Hashtable<>(child.getAttributes()));
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fingerprint.setContent(child.getContent());
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@ -231,7 +244,7 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
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return getAttributeAsInt("rel-port");
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}
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public String getType() { //TODO might be converted to enum
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public String getType() { // TODO might be converted to enum
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return getAttribute("type");
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}
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@ -256,7 +269,8 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
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checkNotNullNoWhitespace(protocol, "protocol");
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final String transport = protocol.toLowerCase(Locale.ROOT);
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if (!"udp".equals(transport)) {
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throw new IllegalArgumentException(String.format("'%s' is not a supported protocol", transport));
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throw new IllegalArgumentException(
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String.format("'%s' is not a supported protocol", transport));
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}
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final String priority = this.getAttribute("priority");
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checkNotNullNoWhitespace(priority, "priority");
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@ -284,7 +298,15 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
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if (ufrag != null) {
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additionalParameter.put("ufrag", ufrag);
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}
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final String parametersString = Joiner.on(' ').join(Collections2.transform(additionalParameter.entrySet(), input -> String.format("%s %s", input.getKey(), input.getValue())));
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final String parametersString =
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Joiner.on(' ')
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.join(
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Collections2.transform(
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additionalParameter.entrySet(),
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input ->
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String.format(
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"%s %s",
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input.getKey(), input.getValue())));
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return String.format(
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"candidate:%s %s %s %s %s %s %s",
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foundation,
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@ -293,20 +315,19 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
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priority,
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connectionAddress,
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port,
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parametersString
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);
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parametersString);
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}
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}
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private static void checkNotNullNoWhitespace(final String value, final String name) {
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if (Strings.isNullOrEmpty(value)) {
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throw new IllegalArgumentException(String.format("Parameter %s is missing or empty", name));
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throw new IllegalArgumentException(
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String.format("Parameter %s is missing or empty", name));
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}
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SessionDescription.checkNoWhitespace(value, String.format("Parameter %s contains white spaces", name));
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SessionDescription.checkNoWhitespace(
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value, String.format("Parameter %s contains white spaces", name));
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}
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public static class Fingerprint extends Element {
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private Fingerprint() {
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@ -340,11 +361,20 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
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return null;
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}
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public static Fingerprint of(final SessionDescription sessionDescription, final SessionDescription.Media media) {
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public static Fingerprint of(
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final SessionDescription sessionDescription, final SessionDescription.Media media) {
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final Fingerprint fingerprint = of(media.attributes);
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return fingerprint == null ? of(sessionDescription.attributes) : fingerprint;
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}
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private static Fingerprint of(final Setup setup, final String hash, final String content) {
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final Fingerprint fingerprint = new Fingerprint();
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fingerprint.setContent(content);
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fingerprint.setAttribute("hash", hash);
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fingerprint.setAttribute("setup", setup.toString().toLowerCase(Locale.ROOT));
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return fingerprint;
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}
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public String getHash() {
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return this.getAttribute("hash");
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}
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@ -356,7 +386,9 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
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}
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public enum Setup {
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ACTPASS, PASSIVE, ACTIVE;
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ACTPASS,
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PASSIVE,
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ACTIVE;
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public static Setup of(String setup) {
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try {
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if (this == ACTIVE) {
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return PASSIVE;
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}
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throw new IllegalStateException(this.name()+" can not be flipped");
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throw new IllegalStateException(this.name() + " can not be flipped");
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}
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}
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}
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