/*
* *************************************************************************************
* Copyright (C) 2008 EsperTech, Inc. All rights reserved. *
* http://esper.codehaus.org *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
* *************************************************************************************
*/
package com.espertech.esper.event.util;
import com.espertech.esper.client.EventType;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.client.util.*;
import com.espertech.esper.event.util.JSONRendererImpl;
import com.espertech.esper.event.util.XMLRendererImpl;
/**
* Provider for rendering services of {@link com.espertech.esper.client.EventBean} events.
*/
public class EventRendererImpl implements EventRenderer
{
/**
* Returns a render for the JSON format, valid only for the given event type and its subtypes.
* @param eventType to return renderer for
* @param options rendering options
* @return JSON format renderer
*/
public JSONEventRenderer getJSONRenderer(EventType eventType, JSONRenderingOptions options)
{
return new JSONRendererImpl(eventType, options);
}
/**
* Returns a render for the JSON format, valid only for the given event type and its subtypes.
* @param eventType to return renderer for
* @return JSON format renderer
*/
public JSONEventRenderer getJSONRenderer(EventType eventType)
{
return new JSONRendererImpl(eventType, new JSONRenderingOptions());
}
/**
* Quick-access method to render a given event in the JSON format.
* <p>
* Use the #getJSONRenderer to obtain a renderer instance that allows repeated rendering of the same type of event.
* For performance reasons obtaining a dedicated renderer instance is the preferred method compared to repeated rendering via this method.
* @param title the JSON root title
* @param event the event to render
* @return JSON formatted text
*/
public String renderJSON(String title, EventBean event)
{
return renderJSON(title, event, new JSONRenderingOptions());
}
/**
* Quick-access method to render a given event in the JSON format.
* <p>
* Use the #getJSONRenderer to obtain a renderer instance that allows repeated rendering of the same type of event.
* For performance reasons obtaining a dedicated renderer instance is the preferred method compared to repeated rendering via this method.
* @param title the JSON root title
* @param event the event to render
* @param options are JSON rendering options
* @return JSON formatted text
*/
public String renderJSON(String title, EventBean event, JSONRenderingOptions options)
{
if (event == null)
{
return null;
}
return getJSONRenderer(event.getEventType(), options).render(title, event);
}
/**
* Returns a render for the XML format, valid only for the given event type and its subtypes.
* @param eventType to return renderer for
* @return XML format renderer
*/
public XMLEventRenderer getXMLRenderer(EventType eventType)
{
return new XMLRendererImpl(eventType, new XMLRenderingOptions());
}
/**
* Returns a render for the XML format, valid only for the given event type and its subtypes.
* @param eventType to return renderer for
* @param options rendering options
* @return XML format renderer
*/
public XMLEventRenderer getXMLRenderer(EventType eventType, XMLRenderingOptions options)
{
return new XMLRendererImpl(eventType, options);
}
/**
* Quick-access method to render a given event in the XML format.
* <p>
* Use the #getXMLRenderer to obtain a renderer instance that allows repeated rendering of the same type of event.
* For performance reasons obtaining a dedicated renderer instance is the preferred method compared to repeated rendering via this method.
* @param rootElementName the root element name that may also include namespace information
* @param event the event to render
* @return XML formatted text
*/
public String renderXML(String rootElementName, EventBean event)
{
return renderXML(rootElementName, event, new XMLRenderingOptions());
}
/**
* Quick-access method to render a given event in the XML format.
* <p>
* Use the #getXMLRenderer to obtain a renderer instance that allows repeated rendering of the same type of event.
* For performance reasons obtaining a dedicated renderer instance is the preferred method compared to repeated rendering via this method.
* @param rootElementName the root element name that may also include namespace information
* @param event the event to render
* @param options are XML rendering options
* @return XML formatted text
*/
public String renderXML(String rootElementName, EventBean event, XMLRenderingOptions options)
{
if (event == null)
{
return null;
}
return getXMLRenderer(event.getEventType(), options).render(rootElementName, event);
}
}