GenericURI.java revision 600c7a4bbc7348167293eac928192e695b4ad5ba
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*/
26package gov.nist.javax.sip.address;
27import java.text.ParseException;
28
29import 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 */
39public 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