Github user eribeiro commented on a diff in the pull request: https://github.com/apache/zookeeper/pull/150#discussion_r96120356 --- Diff: src/java/main/org/apache/zookeeper/client/StaticHostProvider.java --- @@ -87,12 +73,69 @@ public StaticHostProvider(Collection<InetSocketAddress> serverAddresses) Collections.shuffle(this.serverAddresses); } + /** + * In Java 7, we have a method getHostString, but earlier versions do not support it. + * This method is to provide a replacement for InetSocketAddress.getHostString(). + * + * It evaluates to a hostname if one is available and otherwise it returns the + * string representation of the IP address. + * + * @param addr + * @return + */ + private String getHostString(InetSocketAddress addr) { + String hostString; + InetAddress ia = addr.getAddress(); + + if ( ia != null ) { + // If the string starts with '/', then it has no hostname + // and we want to avoid the reverse lookup, so we return + // the string representation of the address. + if (ia.toString().startsWith("/")) { + hostString = ia.getHostAddress(); + } else { + hostString = addr.getHostName(); + } + } else { + // According to the Java 6 documentation, if the hostname is + // unresolved, then the string before the colon is the hostname. + String addrString = addr.toString(); + hostString = addrString.substring(0, addrString.indexOf( ':' )); + } + --- End diff -- Extra space?
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