/*
* 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 gov.nist.javax.sip.address;

import gov.nist.core.NameValueList;

import java.text.ParseException;
import java.util.Iterator;

/**
 * Implementation of the TelURL interface.
 *
 * @version 1.2 $Revision: 1.11 $ $Date: 2010-05-06 14:08:06 $
 *
 * @author M. Ranganathan
 *
 */
public class TelURLImpl
    extends GenericURI
    implements javax.sip.address.TelURL {


    private static final long serialVersionUID = 5873527320305915954L;

    protected TelephoneNumber telephoneNumber;

    /** Creates a new instance of TelURLImpl */
    public TelURLImpl() {
        this.scheme = "tel";
    }

    /** Set the telephone number.
     *@param telephoneNumber -- telephone number to set.
     */

    public void setTelephoneNumber(TelephoneNumber telephoneNumber) {
        this.telephoneNumber = telephoneNumber;
    }

    /** Returns the value of the <code>isdnSubAddress</code> parameter, or null
     * if it is not set.
     *
     * @return  the value of the <code>isdnSubAddress</code> parameter
     */
    public String getIsdnSubAddress() {
        return telephoneNumber.getIsdnSubaddress();
    }

    /** Returns the value of the <code>postDial</code> parameter, or null if it
     * is not set.
     *
     * @return  the value of the <code>postDial</code> parameter
     */
    public String getPostDial() {
        return telephoneNumber.getPostDial();
    }

    /** Returns the value of the "scheme" of this URI, for example "sip", "sips"
     * or "tel".
     *
     * @return the scheme paramter of the URI
     */
    public String getScheme() {
        return this.scheme;
    }

    /** Returns <code>true</code> if this TelURL is global i.e. if the TelURI
     * has a global phone user.
     *
     * @return <code>true</code> if this TelURL represents a global phone user,
     * and <code>false</code> otherwise.
     */
    public boolean isGlobal() {
        return telephoneNumber.isGlobal();
    }

    /** This method determines if this is a URI with a scheme of "sip" or "sips".
     *
     * @return true if the scheme is "sip" or "sips", false otherwise.
     */
    public boolean isSipURI() {
        return false;
    }

    /** Sets phone user of this TelURL to be either global or local. The default
     * value is false, hence the TelURL is defaulted to local.
     *
     * @param global - the boolean value indicating if the TelURL has a global
     * phone user.
     */
    public void setGlobal(boolean global) {
        this.telephoneNumber.setGlobal(global);
    }

    /** Sets ISDN subaddress of this TelURL. If a subaddress is present, it is
     * appended to the phone number after ";isub=".
     *
     * @param isdnSubAddress - new value of the <code>isdnSubAddress</code>
     * parameter
     */
    public void setIsdnSubAddress(String isdnSubAddress) {
        this.telephoneNumber.setIsdnSubaddress(isdnSubAddress);
    }

    /** Sets post dial of this TelURL. The post-dial sequence describes what and
     * when the local entity should send to the phone line.
     *
     * @param postDial - new value of the <code>postDial</code> parameter
     */
    public void setPostDial(String postDial) {
        this.telephoneNumber.setPostDial(postDial);
    }

    /**
     * Set the telephone number.
     * @param telephoneNumber long phone number to set.
     */
    public void setPhoneNumber(String telephoneNumber) {
        this.telephoneNumber.setPhoneNumber(telephoneNumber);
    }

    /** Get the telephone number.
     *
     *@return -- the telephone number.
     */
    public String getPhoneNumber() {
        return this.telephoneNumber.getPhoneNumber();
    }

    /** Return the string encoding.
     *
     *@return -- the string encoding.
     */
    public String toString() {
        return this.scheme + ":" + telephoneNumber.encode();
    }

    public String encode() {
        return encode(new StringBuilder()).toString();
    }

    public StringBuilder encode(StringBuilder buffer) {
        buffer.append(this.scheme).append(':');
        telephoneNumber.encode(buffer);
        return buffer;
    }

    /** Deep copy clone operation.
    *
    *@return -- a cloned version of this telephone number.
    */
    public Object clone() {
        TelURLImpl retval = (TelURLImpl) super.clone();
        if (this.telephoneNumber != null)
            retval.telephoneNumber = (TelephoneNumber) this.telephoneNumber.clone();
        return retval;
    }

    public String getParameter(String parameterName) {
        return telephoneNumber.getParameter(parameterName);
    }

    public void setParameter(String name, String value) {
        telephoneNumber.setParameter(name, value);
    }

    public Iterator<String> getParameterNames() {
        return telephoneNumber.getParameterNames();
    }

    public NameValueList getParameters() {
        return telephoneNumber.getParameters();
    }

    public void removeParameter(String name) {
        telephoneNumber.removeParameter(name);
    }

    /* (non-Javadoc)
     * @see javax.sip.address.TelURL#setPhoneContext(java.lang.String)
     */
    public void setPhoneContext(String phoneContext) throws ParseException {

        // JvB: set (null) should be interpreted as 'remove'
        if (phoneContext==null) {
            this.removeParameter("phone-context");
        } else {
            this.setParameter("phone-context",phoneContext);
        }
    }

    /* (non-Javadoc)
     * @see javax.sip.address.TelURL#getPhoneContext()
     */
    public String getPhoneContext() {

        return this.getParameter("phone-context");
    }
}
