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      1 /*
      2 * Conditions Of Use
      3 *
      4 * This software was developed by employees of the National Institute of
      5 * Standards and Technology (NIST), an agency of the Federal Government.
      6 * Pursuant to title 15 Untied States Code Section 105, works of NIST
      7 * employees are not subject to copyright protection in the United States
      8 * and are considered to be in the public domain.  As a result, a formal
      9 * license is not needed to use the software.
     10 *
     11 * This software is provided by NIST as a service and is expressly
     12 * provided "AS IS."  NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
     13 * OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
     14 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
     15 * AND DATA ACCURACY.  NIST does not warrant or make any representations
     16 * regarding the use of the software or the results thereof, including but
     17 * not limited to the correctness, accuracy, reliability or usefulness of
     18 * the software.
     19 *
     20 * Permission to use this software is contingent upon your acceptance
     21 * of the terms of this agreement
     22 *
     23 * .
     24 *
     25 */
     26 package gov.nist.javax.sip.address;
     27 import java.text.ParseException;
     28 
     29 import javax.sip.address.URI;
     30 
     31 /**
     32  * Implementation of the URI class. This relies on the 1.4 URI class.
     33  *
     34  * @author M. Ranganathan   <br/>
     35  * @version 1.2 $Revision: 1.10 $ $Date: 2009/11/15 19:50:45 $
     36  *
     37  *
     38  */
     39 public class GenericURI extends NetObject implements javax.sip.address.URI {
     40     /**
     41      *
     42      */
     43     private static final long serialVersionUID = 3237685256878068790L;
     44     public static final String SIP = ParameterNames.SIP_URI_SCHEME;
     45     public static final String SIPS = ParameterNames.SIPS_URI_SCHEME;
     46     public static final String TEL = ParameterNames.TEL_URI_SCHEME;
     47     public static final String POSTDIAL = ParameterNames.POSTDIAL;
     48     public static final String PHONE_CONTEXT_TAG =
     49         ParameterNames.PHONE_CONTEXT_TAG;
     50     public static final String ISUB = ParameterNames.ISUB;
     51     public static final String PROVIDER_TAG = ParameterNames.PROVIDER_TAG;
     52 
     53     /** Imbedded URI
     54      */
     55     protected String uriString;
     56 
     57     /**
     58      * The URI Scheme.
     59      */
     60     protected String scheme;
     61 
     62     /** Consturctor
     63      */
     64     protected GenericURI() {
     65     }
     66 
     67     /** Constructor given the URI string
     68      * @param uriString The imbedded URI string.
     69      * @throws java.net.URISyntaxException When there is a syntaz error in the imbedded URI.
     70      */
     71     public GenericURI(String uriString) throws ParseException {
     72         try {
     73             this.uriString = uriString;
     74             int i = uriString.indexOf(":");
     75             scheme = uriString.substring(0, i);
     76         } catch (Exception e) {
     77             throw new ParseException("GenericURI, Bad URI format", 0);
     78         }
     79     }
     80 
     81     /** Encode the URI.
     82      * @return The encoded URI
     83      */
     84     public String encode() {
     85         return uriString;
     86     }
     87 
     88     public StringBuffer encode(StringBuffer buffer) {
     89         return buffer.append(uriString);
     90     }
     91 
     92     /** Encode this URI.
     93      * @return The encoded URI
     94      */
     95     public String toString() {
     96         return this.encode();
     97 
     98     }
     99 
    100     /** Returns the value of the "scheme" of
    101      * this URI, for example "sip", "sips" or "tel".
    102      *
    103      * @return the scheme paramter of the URI
    104      */
    105     public String getScheme() {
    106         return scheme;
    107     }
    108 
    109     /** This method determines if this is a URI with a scheme of
    110      * "sip" or "sips".
    111      *
    112      * @return true if the scheme is "sip" or "sips", false otherwise.
    113      */
    114     public boolean isSipURI() {
    115         return this instanceof SipUri;
    116     }
    117 
    118     // @Override
    119     public boolean equals(Object that) {
    120         if (this==that) return true;
    121         else if (that instanceof URI) {
    122             final URI o = (URI) that;
    123 
    124             // This is not sufficient for equality; revert to String equality...
    125             // return this.getScheme().equalsIgnoreCase( o.getScheme() )
    126             return this.toString().equalsIgnoreCase( o.toString() );
    127         }
    128         return false;
    129     }
    130 
    131     public int hashCode() {
    132         return this.toString().hashCode();
    133     }
    134 }
    135