1 files changed, 128 insertions, 0 deletions
diff --git a/src/com/isode/stroke/parser/tree/ParserElement.java b/src/com/isode/stroke/parser/tree/ParserElement.java
new file mode 100644
index 0000000..1a43696
--- /dev/null
+++ b/src/com/isode/stroke/parser/tree/ParserElement.java
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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;
+    }    
+}