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package de.pixart.messenger.xmpp.mam;
public class MamReference {
private final long timestamp;
private final String reference;
public MamReference(long timestamp) {
this.timestamp = timestamp;
this.reference = null;
}
public MamReference(long timestamp, String reference) {
this.timestamp = timestamp;
this.reference = reference;
}
public long getTimestamp() {
return timestamp;
}
public String getReference() {
return reference;
}
public boolean greaterThan(MamReference b) {
return timestamp > b.getTimestamp();
}
public boolean greaterThan(long b) {
return timestamp > b;
}
public static MamReference max(MamReference a, MamReference b) {
if (a != null && b != null) {
return a.timestamp > b.timestamp ? a : b;
} else if (a != null) {
return a;
} else {
return b;
}
}
public static MamReference max(MamReference a, long b) {
return max(a,new MamReference(b));
}
public static MamReference fromAttribute(String attr) {
if (attr == null) {
return new MamReference(0);
} else {
String[] attrs = attr.split(":");
try {
long timestamp = Long.parseLong(attrs[0]);
if (attrs.length >= 2) {
return new MamReference(timestamp,attrs[1]);
} else {
return new MamReference(timestamp);
}
} catch (Exception e) {
return new MamReference(0);
}
}
}
public MamReference timeOnly() {
return reference == null ? this : new MamReference(timestamp);
}
}
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