All Downloads are FREE. Search and download functionalities are using the official Maven repository.

gov.nist.javax.sdp.fields.SDPFieldList Maven / Gradle / Ivy

There is a newer version: 1.3.0-91
Show newest version
/*
* 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.sdp.fields;
import java.util.ListIterator;

/**
* A list of SDP Fields.
*
*@version 1.2
*
*@author M. Ranganathan   
* * * */ public abstract class SDPFieldList extends SDPField { protected SDPObjectList sdpFields; public SDPFieldList() { } /** Return a list iterator for the embedded field list. */ public ListIterator listIterator() { return sdpFields.listIterator(); } public SDPFieldList(String fieldName) { super(fieldName); sdpFields = new SDPObjectList(fieldName); } public SDPFieldList(String fieldName, String classname) { super(fieldName); sdpFields = new SDPObjectList(fieldName, classname); } /** *add a SDP Field to the list of headers that we maintain. *@param h is the sdp field to add to our list. */ public void add(SDPField h) { sdpFields.add(h); } public SDPObject first() { return (SDPObject) sdpFields.first(); } public SDPObject next() { return (SDPObject) sdpFields.next(); } /** * Encode into a canonical string. */ public String encode() { StringBuilder retval = new StringBuilder(); ListIterator li = sdpFields.listIterator(); while (li.hasNext()) { SDPField sdphdr = (SDPField) li.next(); retval.append(sdphdr.encode()); } return retval.toString(); } /** * convert to a string representation (for printing). * @param indentation int to set * @return String string representation of object (for printing). */ public String debugDump(int indentation) { stringRepresentation = ""; String indent = new Indentation(indentation).getIndentation(); ; String className = this.getClass().getName(); sprint(indent + className); sprint(indent + "{"); sprint(indent + sdpFields.debugDump(indentation)); sprint(indent + "}"); return stringRepresentation; } /** convert to a string representation * @return String */ public String debugDump() { return debugDump(0); } /** Return a string representation. * *@return String representation. */ public String toString() { return encode(); } /** * Equality checking predicate. *@param other is the other object to compare ourselves against. */ public boolean equals(Object other) { if (other == null ) return false; if (!this.getClass().equals(other.getClass())) return false; SDPFieldList that = (SDPFieldList) other; if (sdpFields == null) return that.sdpFields == null; return this.sdpFields.equals(that.sdpFields); } /** * Do a template match of fields. *@param template is the template to match against. */ public boolean match(Object template) { if (template == null) return true; if (!template.getClass().equals(this.getClass())) return false; SDPFieldList other = (SDPFieldList) template; if (sdpFields == other.sdpFields) return true; else if (sdpFields == null) return false; return sdpFields.match(other.sdpFields); } public Object clone() { SDPFieldList retval = (SDPFieldList) super.clone(); if (this.sdpFields != null) retval.sdpFields = (SDPObjectList) this.sdpFields.clone(); return retval; } }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy