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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
*
* .
*
*/
/*******************************************************************************
* Product of NIST/ITL Advanced Networking Technologies Division (ANTD).        *
*******************************************************************************/
package gov.nist.javax.sip.header;

import javax.sip.InvalidArgumentException;

/**
 * Accept header : The top level header is actually AcceptList which is a list of
 * Accept headers.
 *
 * @version 1.2 $Revision: 1.10 $ $Date: 2010-05-06 14:07:54 $
 *
 * @since 1.1
 *
 * @author M. Ranganathan   
* * * */ public final class Accept extends ParametersHeader implements javax.sip.header.AcceptHeader { /** * Comment for serialVersionUID */ private static final long serialVersionUID = -7866187924308658151L; /** mediaRange field */ protected MediaRange mediaRange; /** default constructor */ public Accept() { super(NAME); } /** returns true if this header allows all ContentTypes, * false otherwise. * @return Boolean */ public boolean allowsAllContentTypes() { if (mediaRange == null) return false; else return mediaRange.type.compareTo(STAR) == 0; } /** * returns true if this header allows all ContentSubTypes, * false otherwise. * @return boolean */ public boolean allowsAllContentSubTypes() { if (mediaRange == null) { return false; } else return mediaRange.getSubtype().compareTo(STAR) == 0; } /** Encode the value of this header into cannonical form. *@return encoded value of the header as a string. */ protected String encodeBody() { return encodeBody(new StringBuilder()).toString(); } protected StringBuilder encodeBody(StringBuilder buffer) { if (mediaRange != null) mediaRange.encode(buffer); if (parameters != null && !parameters.isEmpty()) { buffer.append(';'); parameters.encode(buffer); } return buffer; } /** get the MediaRange field * @return MediaRange */ public MediaRange getMediaRange() { return mediaRange; } /** get the contentType field * @return String */ public String getContentType() { if (mediaRange == null) return null; else return mediaRange.getType(); } /** get the ContentSubType fiels * @return String */ public String getContentSubType() { if (mediaRange == null) return null; else return mediaRange.getSubtype(); } /** * Get the q value. * @return float */ public float getQValue() { return getParameterAsFloat(ParameterNames.Q); } /** * Return true if the q value has been set. * @return boolean */ public boolean hasQValue() { return super.hasParameter(ParameterNames.Q); } /** *Remove the q value. */ public void removeQValue() { super.removeParameter(ParameterNames.Q); } /** set the ContentSubType field * @param subtype String to set */ public void setContentSubType(String subtype) { if (mediaRange == null) mediaRange = new MediaRange(); mediaRange.setSubtype(subtype); } /** set the ContentType field * @param type String to set */ public void setContentType(String type) { if (mediaRange == null) mediaRange = new MediaRange(); mediaRange.setType(type); } /** * Set the q value * @param qValue float to set * @throws IllegalArgumentException if qValue is <0.0 or >1.0 */ public void setQValue(float qValue) throws InvalidArgumentException { if (qValue == -1) super.removeParameter(ParameterNames.Q); super.setParameter(ParameterNames.Q, qValue); } /** * Set the mediaRange member * @param m MediaRange field */ public void setMediaRange(MediaRange m) { mediaRange = m; } public Object clone() { Accept retval = (Accept) super.clone(); if (this.mediaRange != null) retval.mediaRange = (MediaRange) this.mediaRange.clone(); return retval; } }




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