gov.nist.javax.sdp.fields.SDPFieldList Maven / Gradle / Ivy
/*
* 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 android.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;
}
}