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From eribeiro <...@git.apache.org>
Subject [GitHub] zookeeper pull request #150: ZOOKEEPER-2184: Zookeeper Client should re-reso...
Date Sat, 14 Jan 2017 17:58:21 GMT
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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