X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms%2Fsrc%2Forg%2Fargeo%2Fcms%2Fdns%2FSrvRecord.java;fp=org.argeo.cms%2Fsrc%2Forg%2Fargeo%2Fcms%2Fdns%2FSrvRecord.java;h=bdbdc769ab77d0ab90cee4d8b77684da1206f1f3;hb=54df376a9c2dd458a82eaa09bfbb718fe699dd0d;hp=0000000000000000000000000000000000000000;hpb=3c1cdc594d954520b14646102b366290bdad58c7;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.cms/src/org/argeo/cms/dns/SrvRecord.java b/org.argeo.cms/src/org/argeo/cms/dns/SrvRecord.java
new file mode 100644
index 000000000..bdbdc769a
--- /dev/null
+++ b/org.argeo.cms/src/org/argeo/cms/dns/SrvRecord.java
@@ -0,0 +1,52 @@
+package org.argeo.cms.dns;
+
+class SrvRecord implements Comparable<SrvRecord> {
+	private final Integer priority;
+	private final Integer weight;
+	private final Integer port;
+	private final String hostname;
+
+	public SrvRecord(Integer priority, Integer weight, Integer port, String hostname) {
+		this.priority = priority;
+		this.weight = weight;
+		this.port = port;
+		this.hostname = hostname;
+	}
+
+	@Override
+	public int compareTo(SrvRecord other) {
+		// https: // en.wikipedia.org/wiki/SRV_record
+		if (priority != other.priority)
+			return priority - other.priority;
+		if (weight != other.weight)
+			return other.weight - other.weight;
+		String host = toHost(false);
+		String otherHost = other.toHost(false);
+		if (host.length() == otherHost.length())
+			return host.compareTo(otherHost);
+		else
+			return host.length() - otherHost.length();
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (obj instanceof SrvRecord) {
+			SrvRecord other = (SrvRecord) obj;
+			return priority == other.priority && weight == other.weight && port == other.port
+					&& hostname.equals(other.hostname);
+		}
+		return false;
+	}
+
+	@Override
+	public String toString() {
+		return priority + " " + weight;
+	}
+
+	public String toHost(boolean withPort) {
+		String hostStr = hostname;
+		if (hostname.charAt(hostname.length() - 1) == '.')
+			hostStr = hostname.substring(0, hostname.length() - 1);
+		return hostStr + (withPort ? ":" + port : "");
+	}
+}