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/*
* Copyright (c) 2012, Isode Limited, London, England.
* All rights reserved.
*/
/*
* Copyright (c) 2011, Kevin Smith
* All rights reserved.
*/
package com.isode.stroke.parser.tree;
import java.util.Vector;
import com.isode.stroke.parser.AttributeMap;
/**
* Class representing a parser for nodes in the stanza
*
*/
public class ParserElement {
private Vector<ParserElement> children_ = new Vector<ParserElement>();
private String name_ = "";
private String xmlns_ ="";
private AttributeMap attributes_ = new AttributeMap();
private String text_ = "";
/**
* Create the parser.
* @param name name of the parser node, e.g. query, reason, not null
* @param xmlns XML namespace, e.g. http://jabber.org/protocol/muc#user, not null
* @param attributes attributes of the node, not null
*/
public ParserElement(String name, String xmlns, AttributeMap attributes){
this.name_ = name;
this.xmlns_ = xmlns;
this.attributes_ = attributes;
}
/**
* Get the text data of the node
* @return not null, can be empty
*/
public String getText() {
return text_;
}
/**
* Get the name of the node, not null
* @return name of node
*/
public String getName() {
return name_;
}
/**
* Get the name space of the XML node, not null
* @return xml namespace
*/
public String getNamespace() {
return xmlns_;
}
/**
* Get the attributes of the XML node
* @return XMP node attributes, not null
*/
public AttributeMap getAttributes() {
return attributes_;
}
/**
* Add child of the XML node
* @param name name of child node, not null
* @param xmlns XML namespace, not null
* @param attributes attributes, not null
* @return child node, not null
*/
public ParserElement addChild(String name, String xmlns, AttributeMap attributes){
ParserElement child = new ParserElement(name, xmlns, attributes);
children_.add(child);
return child;
}
/**
* Append data to the text of the node
* @param data data to be appended, not null
*/
public void appendCharacterData(String data) {
text_ += data;
}
/**
* Get the children of the node which have the given name
* and namespace value
* @param name name of node, not null
* @param xmlns namespace of node, not null
* @return list of children, not null but can be empty
*/
public Vector<ParserElement> getChildren(String name, String xmlns) {
Vector<ParserElement> result = new Vector<ParserElement>();
for(ParserElement child : children_) {
if(child.name_.equals(name) && child.xmlns_.equals(xmlns)) {
result.add(child);
}
}
return result;
}
/**
* Get all the child nodes of XML element
* @return list of all children, not null but can be empty
*/
public Vector<ParserElement> getAllChildren() {
return children_;
}
/**
* Get the first child of the node which have the given name
* and namespace value
* @param name name of node, not null
* @param xmlns namespace of node, not null
* @return child node if exists or a parser element {@link NullParserElement}
* representing null value
*/
public ParserElement getChild(String name, String xmlns) {
Vector<ParserElement> results = getChildren(name, xmlns);
ParserElement result = results.isEmpty() ? NullParserElement.element : results.get(0);
return result;
}
}
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Swift