/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.wicket.examples.stockquote;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.MarkupStream;
import org.apache.wicket.markup.html.WebComponent;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
/**
* Gets a stock quote from a webservice. This component is a full blown, built from the ground up
* component. See the other stock quote examples for alternatives of creating custom components.
*
* The model that is provided is used as the symbol for lookup. When used without an explicit model,
* the component tries the CompoundPropertyModel method of retrieving the model first. When that
* results in an empty string, the component will use its ID as symbol.
*
* You can use this component in your webapplication just as you might want to use a
* <code>Label</code>.
*/
public class StockQuoteLabel extends WebComponent
{
/**
* Constructor
*
* @param id
* See Component
*/
public StockQuoteLabel(String id)
{
super(id);
}
/**
* Convenience constructor. Same as StockQuoteLabel(String, new Model<String>(String))
*
* @param id
* See Component
* @param symbol
* The symbol to look up
*
* @see org.apache.wicket.Component#Component(String, IModel)
*/
public StockQuoteLabel(String id, String symbol)
{
super(id, new Model<>(symbol));
}
/**
* @see org.apache.wicket.Component#Component(String, IModel)
*/
public StockQuoteLabel(String id, IModel<String> model)
{
super(id, model);
}
@Override
public void onComponentTagBody(final MarkupStream markupStream, final ComponentTag openTag)
{
String symbol = getDefaultModelObjectAsString();
StockQuote quote = new StockQuote(symbol);
replaceComponentTagBody(markupStream, openTag, quote.getQuote());
}
}