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/*
* Conditions Of Use
*
* This software was developed by employees of the National Institute of
* Standards and Technology (NIST), an agency of the Federal Government.
* Pursuant to title 15 Untied States Code Section 105, works of NIST
* employees are not subject to copyright protection in the United States
* and are considered to be in the public domain.  As a result, a formal
* license is not needed to use the software.
*
* This software is provided by NIST as a service and is expressly
* provided "AS IS."  NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
* AND DATA ACCURACY.  NIST does not warrant or make any representations
* regarding the use of the software or the results thereof, including but
* not limited to the correctness, accuracy, reliability or usefulness of
* the software.
*
* Permission to use this software is contingent upon your acceptance
* of the terms of this agreement
*
* .
*
*/
package android.gov.nist.javax.sdp.parser;

import android.gov.nist.javax.sdp.fields.*;
import java.text.ParseException;

/**
 * Parser for the Phone field.
 *
 * @version JAIN-SDP-PUBLIC-RELEASE $Revision: 1.5 $ $Date: 2009-07-17 18:57:17 $
 *
 * @author Olivier Deruelle
 * @author M. Ranganathan
 *
 *
 *
 */
public class PhoneFieldParser extends SDPParser {

    /** Creates new PhoneFieldParser */
    public PhoneFieldParser(String phoneField) {
        lexer = new Lexer("charLexer", phoneField);
    }

    public String getDisplayName(String rest) {
        String retval = null;

        try {
            int begin = rest.indexOf("(");
            int end = rest.indexOf(")");

            if (begin != -1) {
                // p=+44-171-380-7777 (Mark Handley)
                retval = rest.substring(begin + 1, end);
            } else {
                // The alternative RFC822 name quoting convention is
                // also allowed for
                // email addresses. ex: p=Mark Handley <+44-171-380-7777>
                int ind = rest.indexOf("<");
                if (ind != -1) {
                    retval = rest.substring(0, ind);
                } else {
                    // There is no display name !!!
                }
            }

        } catch (Exception e) {
            e.printStackTrace();
        }
        return retval;
    }

    public String getPhoneNumber(String rest) throws ParseException {
        String phoneNumber = null;

        try {
            int begin = rest.indexOf("(");

            if (begin != -1) {
                // p=+44-171-380-7777 (Mark Handley)
                phoneNumber = rest.substring(0, begin).trim();
            } else {
                // The alternative RFC822 name quoting convention is also allowed for
                // email addresses. ex: p=Mark Handley <+44-171-380-7777>
                int ind = rest.indexOf("<");
                int end = rest.indexOf(">");

                if (ind != -1) {
                    phoneNumber = rest.substring(ind + 1, end);
                } else {
                    // p=+44-171-380-7777
                    phoneNumber = rest.trim();
                }
            }
        } catch (Exception e) {
            throw new ParseException(lexer.getBuffer(), lexer.getPtr());
        }
        return phoneNumber;
    }

    public PhoneField phoneField() throws ParseException {
        try {

            this.lexer.match('p');
            this.lexer.SPorHT();
            this.lexer.match('=');
            this.lexer.SPorHT();

            PhoneField phoneField = new PhoneField();
            String rest = lexer.getRest();

            String displayName = getDisplayName(rest.trim());
            phoneField.setName(displayName);
            String phoneNumber = getPhoneNumber(rest);
            phoneField.setPhoneNumber(phoneNumber);

            return phoneField;
        } catch (Exception e) {
            throw new ParseException(lexer.getBuffer(), lexer.getPtr());
        }
    }

    public SDPField parse() throws ParseException {
        return this.phoneField();
    }

    /**

        public static void main(String[] args) throws ParseException {
            String phone[] = {
                "p=+44-171-380-7777 (Mark Handley)\n",
                "p=Mark Handley <+1 617 253 6011>\n",
                            "p= <+44-171-380-7777>\n",
                            "p=+44-171-380-7777\n"
                    };

            for (int i = 0; i < phone.length; i++) {
               PhoneFieldParser phoneFieldParser=new PhoneFieldParser(
                    phone[i] );
               PhoneField phoneFields=phoneFieldParser.phoneField();
                   System.out.println("toParse: " + phone[i]);
            System.out.println("encoded: " +phoneFields.encode());
            }

        }

    **/
}
/*
 * $Log: not supported by cvs2svn $
 * Revision 1.4  2006/07/13 09:02:34  mranga
 * Issue number:
 * Obtained from:
 * Submitted by:  jeroen van bemmel
 * Reviewed by:   mranga
 * Moved some changes from jain-sip-1.2 to java.net
 *
 * CVS: ----------------------------------------------------------------------
 * CVS: Issue number:
 * CVS:   If this change addresses one or more issues,
 * CVS:   then enter the issue number(s) here.
 * CVS: Obtained from:
 * CVS:   If this change has been taken from another system,
 * CVS:   then name the system in this line, otherwise delete it.
 * CVS: Submitted by:
 * CVS:   If this code has been contributed to the project by someone else; i.e.,
 * CVS:   they sent us a patch or a set of diffs, then include their name/email
 * CVS:   address here. If this is your work then delete this line.
 * CVS: Reviewed by:
 * CVS:   If we are doing pre-commit code reviews and someone else has
 * CVS:   reviewed your changes, include their name(s) here.
 * CVS:   If you have not had it reviewed then delete this line.
 *
 * Revision 1.3  2006/06/19 06:47:26  mranga
 * javadoc fixups
 *
 * Revision 1.2  2006/06/16 15:26:28  mranga
 * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
 *
 * Revision 1.1.1.1  2005/10/04 17:12:34  mranga
 *
 * Import
 *
 *
 * Revision 1.2  2004/01/22 13:26:28  sverker
 * Issue number:
 * Obtained from:
 * Submitted by:  sverker
 * Reviewed by:   mranga
 *
 * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
 *
 * CVS: ----------------------------------------------------------------------
 * CVS: Issue number:
 * CVS:   If this change addresses one or more issues,
 * CVS:   then enter the issue number(s) here.
 * CVS: Obtained from:
 * CVS:   If this change has been taken from another system,
 * CVS:   then name the system in this line, otherwise delete it.
 * CVS: Submitted by:
 * CVS:   If this code has been contributed to the project by someone else; i.e.,
 * CVS:   they sent us a patch or a set of diffs, then include their name/email
 * CVS:   address here. If this is your work then delete this line.
 * CVS: Reviewed by:
 * CVS:   If we are doing pre-commit code reviews and someone else has
 * CVS:   reviewed your changes, include their name(s) here.
 * CVS:   If you have not had it reviewed then delete this line.
 *
 */




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