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Code Issues Releases Wiki Activity

Enforce jingle s5b transport invariants. 

There can only either be one info element or
multiple candidates, but not both.
Enforced this in the JingleS5BTransportBuilder
This commit is contained in:
vanitasvitae 2017-06-30 15:36:02 +02:00
parent 541c9ecfdd
commit bae840ebf7
Signed by: vanitasvitae
GPG Key ID: 62BEE9264BF17311
1 changed files with 12 additions and 1 deletions
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13
smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/transports/jingle_s5b/elements/JingleS5BTransport.java
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@ -93,7 +93,7 @@ public class JingleS5BTransport extends JingleContentTransport {
private String streamId;
private String dstAddr;
private Bytestream.Mode mode;
private ArrayList<JingleContentTransportCandidate> candidates = new ArrayList<>();
private final ArrayList<JingleContentTransportCandidate> candidates = new ArrayList<>();
private JingleContentTransportInfo info;
public Builder setStreamId(String sid) {
@ -112,11 +112,22 @@ public class JingleS5BTransport extends JingleContentTransport {
}
public Builder addTransportCandidate(JingleS5BTransportCandidate candidate) {
if (info != null) {
throw new IllegalStateException("Builder has already an info set. " +
"The transport can only have either an info or transport candidates, not both.");
}
this.candidates.add(candidate);
return this;
}
public Builder setTransportInfo(JingleContentTransportInfo info) {
if (!candidates.isEmpty()) {
throw new IllegalStateException("Builder has already at least one candidate set. " +
"The transport can only have either an info or transport candidates, not both.");
}
if (this.info != null) {
throw new IllegalStateException("Builder has already an info set.");
}
this.info = info;
return this;
}