org.apache.synapse.transport.nhttp.util

## Class NhttpUtil

- java.lang.Object
- - org.apache.synapse.transport.nhttp.util.NhttpUtil

-     public class NhttpUtil
      extends Object

  A useful set of utility methods for the HTTP transport

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `NhttpUtil()`

  - ### Method Summary

    All Methods Static Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `static String` | `getContentType(org.apache.axis2.context.MessageContext msgContext)` Get the content type for the message passed in
    `static org.apache.axis2.addressing.EndpointReference` | `getDestinationEPR(org.apache.axis2.context.MessageContext msgContext)` Get the EPR for the message passed in
    `static String` | `getHostName(InetAddress address)` This method tries to determine the hostname of the given InetAddress without triggering a reverse DNS lookup.
    `static org.apache.axiom.om.OMOutputFormat` | `getOMOutputFormat(org.apache.axis2.context.MessageContext msgContext)` Retirn the OMOutputFormat to be used for the message context passed in
    `static String` | `getRestUrlPostfix(String uri, String servicePath)` Calculate the REST_URL_POSTFIX from the request URI

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### NhttpUtil

          public NhttpUtil()

  - ### Method Detail

    - #### getHostName

          public static String getHostName(InetAddress address)

      This method tries to determine the hostname of the given InetAddress without triggering a reverse DNS lookup. `InetAddress.getHostName()` triggers a reverse DNS lookup which can be very costly in cases where reverse DNS fails. Tries to parse a symbolic hostname from `InetAddress.toString()`, which is documented to return a String of the form "hostname / literal IP address" with 'hostname' blank if not already computed & stored in `address If the hostname cannot be determined from InetAddress.toString(), the value of `InetAddress.getHostAddress()` is returned.`
      Parameters:
        `address` - The InetAddress whose hostname has to be determined
      Returns:
        hostsname, if it can be determined. hostaddress, if not. TODO: We may introduce a System property or some other method of configuration TODO: which will specify whether to allow reverse DNS lookup or not

    - #### getDestinationEPR

          public static org.apache.axis2.addressing.EndpointReference getDestinationEPR(org.apache.axis2.context.MessageContext msgContext)

      Get the EPR for the message passed in
      Parameters:
        `msgContext` - the message context
      Returns:
        the destination EPR

    - #### getOMOutputFormat

          public static org.apache.axiom.om.OMOutputFormat getOMOutputFormat(org.apache.axis2.context.MessageContext msgContext)

      Retirn the OMOutputFormat to be used for the message context passed in
      Parameters:
        `msgContext` - the message context
      Returns:
        the OMOutputFormat to be used

    - #### getContentType

          public static String getContentType(org.apache.axis2.context.MessageContext msgContext)

      Get the content type for the message passed in
      Parameters:
        `msgContext` - the message
      Returns:
        content type of the message

    - #### getRestUrlPostfix

          public static String getRestUrlPostfix(String uri,
                                                 String servicePath)

      Calculate the REST_URL_POSTFIX from the request URI
      Parameters:
        `uri` - - The Request URI - String
        `servicePath` - String
      Returns:
        REST_URL_POSTFIX String

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