/*
* @(#) $Header$
*
* Copyright (C) 2010 Daniel L�onard
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package ca.forklabs.javaxpcom.util;
import org.mozilla.interfaces.nsIDOMHTMLAnchorElement;
import org.mozilla.interfaces.nsIDOMHTMLDivElement;
import org.mozilla.interfaces.nsIDOMHTMLElement;
import org.mozilla.interfaces.nsIDOMHTMLFormElement;
import org.mozilla.interfaces.nsIDOMHTMLHeadingElement;
import org.mozilla.interfaces.nsIDOMHTMLInputElement;
import org.mozilla.interfaces.nsIDOMHTMLTableCellElement;
import org.mozilla.interfaces.nsIDOMHTMLTableElement;
import org.mozilla.interfaces.nsIDOMHTMLTableRowElement;
import org.mozilla.interfaces.nsIDOMNode;
import org.mozilla.xpcom.XPCOMException;
public class XPCOMConverter {
//---------------------------
// Constructors
//---------------------------
/**
* Open constructor for converter subclasses.
*/
protected XPCOMConverter() {
// nothing
}
//---------------------------
// Conversion class methods
//---------------------------
/**
* Query the {@code nsIDOMHTMLElement} interface from the node.
* @param node the node to convert.
* @exception XPCOMException if the node is not an anchor.
*/
public static nsIDOMHTMLElement asHTMLElement(nsIDOMNode node) {
nsIDOMHTMLElement element = (nsIDOMHTMLElement) node.queryInterface(nsIDOMHTMLElement.NS_IDOMHTMLELEMENT_IID);
return element;
}
/**
* Query the {@code nsIDOMHTMLAnchorElement} interface from the node.
* @param node the node to convert.
* @exception XPCOMException if the node is not an anchor.
*/
public static nsIDOMHTMLAnchorElement asAnchor(nsIDOMNode node) {
nsIDOMHTMLAnchorElement anchor = (nsIDOMHTMLAnchorElement) node.queryInterface(nsIDOMHTMLAnchorElement.NS_IDOMHTMLANCHORELEMENT_IID);
return anchor;
}
/**
* Query the {@code nsIDOMHTMLDivElement} interface from the node.
* @param node the node to convert.
* @exception XPCOMException if the node is not a div.
*/
public static nsIDOMHTMLDivElement asDiv(nsIDOMNode node) {
nsIDOMHTMLDivElement div = (nsIDOMHTMLDivElement) node.queryInterface(nsIDOMHTMLDivElement.NS_IDOMHTMLDIVELEMENT_IID);
return div;
}
/**
* Query the {@code nsIDOMHTMLFormElement} interface from the node.
* @param node the node to convert.
* @exception XPCOMException if the node is not a form.
*/
public static nsIDOMHTMLFormElement asForm(nsIDOMNode node) {
nsIDOMHTMLFormElement form = (nsIDOMHTMLFormElement) node.queryInterface(nsIDOMHTMLFormElement.NS_IDOMHTMLFORMELEMENT_IID);
return form;
}
/**
* Query the {@code nsIDOMHTMLHeadingElement} interface ({@code <h1>} ...
* {@code <h6>}) from the node.
* @param node the node to convert.
* @exception XPCOMException if the node is not a heading.
*/
public static nsIDOMHTMLHeadingElement asHeading(nsIDOMNode node) {
nsIDOMHTMLHeadingElement heading = (nsIDOMHTMLHeadingElement) node.queryInterface(nsIDOMHTMLHeadingElement.NS_IDOMHTMLHEADINGELEMENT_IID);
return heading;
}
/**
* Query the {@code nsIDOMHTMLInputElement} interface from the node.
* @param node the node to convert.
* @exception XPCOMException if the node is not an input.
*/
public static nsIDOMHTMLInputElement asInput(nsIDOMNode node) {
nsIDOMHTMLInputElement input = (nsIDOMHTMLInputElement) node.queryInterface(nsIDOMHTMLInputElement.NS_IDOMHTMLINPUTELEMENT_IID);
return input;
}
/**
* Query the {@code nsIDOMHTMLTableElement} interface from the node.
* @param node the node to convert.
* @exception XPCOMException if the node is not a table.
*/
public static nsIDOMHTMLTableElement asTable(nsIDOMNode node) {
nsIDOMHTMLTableElement table = (nsIDOMHTMLTableElement) node.queryInterface(nsIDOMHTMLTableElement.NS_IDOMHTMLTABLEELEMENT_IID);
return table;
}
/**
* Query the {@code nsIDOMHTMLTableCellElement} interface ({@code <th>} or
* {@code <td>}) from the node.
* @param node the node to convert.
* @exception XPCOMException if the node is not a table cell.
*/
public static nsIDOMHTMLTableCellElement asTableCell(nsIDOMNode node) {
nsIDOMHTMLTableCellElement cell = (nsIDOMHTMLTableCellElement) node.queryInterface(nsIDOMHTMLTableCellElement.NS_IDOMHTMLTABLECELLELEMENT_IID);
return cell;
}
/**
* Query the {@code nsIDOMHTMLTableRowElement} interface from the node.
* @param node the node to convert.
* @exception XPCOMException if the node is not a table row.
*/
public static nsIDOMHTMLTableRowElement asTableRow(nsIDOMNode node) {
nsIDOMHTMLTableRowElement row = (nsIDOMHTMLTableRowElement) node.queryInterface(nsIDOMHTMLTableRowElement.NS_IDOMHTMLTABLEROWELEMENT_IID);
return row;
}
}