1600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/* 2600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Conditions Of Use 3600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 4600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* This software was developed by employees of the National Institute of 5600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Standards and Technology (NIST), an agency of the Federal Government. 6600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Pursuant to title 15 Untied States Code Section 105, works of NIST 7600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* employees are not subject to copyright protection in the United States 8600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* and are considered to be in the public domain. As a result, a formal 9600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* license is not needed to use the software. 10600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 11600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* This software is provided by NIST as a service and is expressly 12600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED 13600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF 14600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT 15600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* AND DATA ACCURACY. NIST does not warrant or make any representations 16600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* regarding the use of the software or the results thereof, including but 17600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* not limited to the correctness, accuracy, reliability or usefulness of 18600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* the software. 19600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 20600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Permission to use this software is contingent upon your acceptance 21600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* of the terms of this agreement 22600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 23600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* . 24600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 25600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang*/ 26600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpackage gov.nist.javax.sip.address; 27600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 28600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.parser.*; 29600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 30600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport java.text.ParseException; 31600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport javax.sip.address.*; 32600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 33600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/** 34600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Implementation of the JAIN-SIP address factory. 35600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @version 1.2 $Revision: 1.9 $ $Date: 2009/10/22 10:25:56 $ 36600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 37600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @author M. Ranganathan <br/> 38600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 39600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 40600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 41600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * IPv6 Support added by Emil Ivov (emil_ivov@yahoo.com)<br/> 42600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Network Research Team (http://www-r2.u-strasbg.fr))<br/> 43600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Louis Pasteur University - Strasbourg - France<br/> 44600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 45600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 46600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpublic class AddressFactoryImpl implements javax.sip.address.AddressFactory { 47600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 48600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** Creates a new instance of AddressFactoryImpl 49600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 50600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public AddressFactoryImpl() { 51600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 52600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 53600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 54600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 55600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 56600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang *Create an empty address object. 57600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 58600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang *SPEC_REVISION 59600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 60600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 61600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public javax.sip.address.Address createAddress() { 62600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return new AddressImpl(); 63600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 64600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 65600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Creates an Address with the new display name and URI attribute 66600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * values. 67600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 68600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @param displayName - the new string value of the display name of the 69600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * address. A <code>null</code> value does not set the display name. 70600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @param uri - the new URI value of the address. 71600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @throws ParseException which signals that an error has been reached 72600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * unexpectedly while parsing the displayName value. 73600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 74600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public javax.sip.address.Address createAddress( 75600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang String displayName, 76600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang javax.sip.address.URI uri) { 77600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (uri == null) 78600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new NullPointerException("null URI"); 79600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang AddressImpl addressImpl = new AddressImpl(); 80600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (displayName != null) 81600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang addressImpl.setDisplayName(displayName); 82600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang addressImpl.setURI(uri); 83600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return addressImpl; 84600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 85600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 86600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 87600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** create a sip uri. 88600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 89600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang *@param uri -- the uri to parse. 90600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 91600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public javax.sip.address.SipURI createSipURI(String uri) 92600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // throws java.net.URISyntaxException { 93600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throws ParseException { 94600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (uri == null) 95600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new NullPointerException("null URI"); 96600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang try { 97600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang StringMsgParser smp = new StringMsgParser(); 98600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang SipUri sipUri = smp.parseSIPUrl(uri); 99600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return (SipURI) sipUri; 100600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } catch (ParseException ex) { 101600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // throw new java.net.URISyntaxException(uri, ex.getMessage()); 102600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new ParseException(ex.getMessage(), 0); 103600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 104600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 105600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 106600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 107600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** Create a SipURI 108600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 109600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang *@param user -- the user 110600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang *@param host -- the host. 111600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 112600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public javax.sip.address.SipURI createSipURI(String user, String host) 113600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throws ParseException { 114600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (host == null) 115600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new NullPointerException("null host"); 116600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 117600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang StringBuffer uriString = new StringBuffer("sip:"); 118600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (user != null) { 119600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang uriString.append(user); 120600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang uriString.append("@"); 121600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 122600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 123600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang //if host is an IPv6 string we should enclose it in sq brackets 124600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (host.indexOf(':') != host.lastIndexOf(':') 125600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang && host.trim().charAt(0) != '[') 126600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang host = '[' + host + ']'; 127600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 128600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang uriString.append(host); 129600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 130600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang StringMsgParser smp = new StringMsgParser(); 131600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang try { 132600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 133600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang SipUri sipUri = smp.parseSIPUrl(uriString.toString()); 134600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return sipUri; 135600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } catch (ParseException ex) { 136600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new ParseException(ex.getMessage(), 0); 137600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 138600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 139600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 140600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 141600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Creates a TelURL based on given URI string. The scheme or '+' should 142600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * not be included in the phoneNumber string argument. 143600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 144600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @param uri - the new string value of the phoneNumber. 145600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @throws URISyntaxException if the URI string is malformed. 146600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 147600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public javax.sip.address.TelURL createTelURL(String uri) 148600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throws ParseException { 149600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (uri == null) 150600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new NullPointerException("null url"); 151600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang String telUrl = "tel:" + uri; 152600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang try { 153600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang StringMsgParser smp = new StringMsgParser(); 154600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang TelURLImpl timp = (TelURLImpl) smp.parseUrl(telUrl); 155600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return (TelURL) timp; 156600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } catch (ParseException ex) { 157600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new ParseException(ex.getMessage(), 0); 158600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 159600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 160600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 161600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public javax.sip.address.Address createAddress(javax.sip.address.URI uri) { 162600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (uri == null) 163600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new NullPointerException("null address"); 164600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang AddressImpl addressImpl = new AddressImpl(); 165600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang addressImpl.setURI(uri); 166600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return addressImpl; 167600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 168600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 169600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 170600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Creates an Address with the new address string value. The address 171600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * string is parsed in order to create the new Address instance. Create 172600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * with a String value of "*" creates a wildcard address. The wildcard 173600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * can be determined if 174600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * <code>((SipURI)Address.getURI).getUser() == *;</code>. 175600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 176600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @param address - the new string value of the address. 177600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @throws ParseException which signals that an error has been reached 178600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * unexpectedly while parsing the address value. 179600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 180600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public javax.sip.address.Address createAddress(String address) 181600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throws java.text.ParseException { 182600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (address == null) 183600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new NullPointerException("null address"); 184600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 185600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (address.equals("*")) { 186600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang AddressImpl addressImpl = new AddressImpl(); 187600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang addressImpl.setAddressType(AddressImpl.WILD_CARD); 188600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang SipURI uri = new SipUri(); 189600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang uri.setUser("*"); 190600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang addressImpl.setURI( uri ); 191600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return addressImpl; 192600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } else { 193600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang StringMsgParser smp = new StringMsgParser(); 194600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return smp.parseAddress(address); 195600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 196600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 197600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 198600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 199600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Creates a URI based on given URI string. The URI string is parsed in 200600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * order to create the new URI instance. Depending on the scheme the 201600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * returned may or may not be a SipURI or TelURL cast as a URI. 202600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 203600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @param uri - the new string value of the URI. 204600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @throws URISyntaxException if the URI string is malformed. 205600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 206600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 207600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public javax.sip.address.URI createURI(String uri) throws ParseException { 208600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (uri == null) 209600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new NullPointerException("null arg"); 210600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang try { 211600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang URLParser urlParser = new URLParser(uri); 212600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang String scheme = urlParser.peekScheme(); 213600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (scheme == null) 214600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new ParseException("bad scheme", 0); 215600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (scheme.equalsIgnoreCase("sip")) { 216600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return (javax.sip.address.URI) urlParser.sipURL(true); 217600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } else if (scheme.equalsIgnoreCase("sips")) { 218600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return (javax.sip.address.URI) urlParser.sipURL(true); 219600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } else if (scheme.equalsIgnoreCase("tel")) { 220600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return (javax.sip.address.URI) urlParser.telURL(true); 221600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 222600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } catch (ParseException ex) { 223600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new ParseException(ex.getMessage(), 0); 224600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 225600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return new gov.nist.javax.sip.address.GenericURI(uri); 226600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 227600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 228600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang} 229