/*******************************************************************************
*******************************************************************************/
package at.gv.egiz.eaaf.core.api.gui;
import java.io.InputStream;
import javax.servlet.http.HttpServletResponse;
import org.apache.velocity.VelocityContext;
import at.gv.egiz.eaaf.core.exceptions.GUIBuildException;
/**
* @author tlenz
*
*/
public interface IGUIFormBuilder {
/**
* Parse a GUI template, with parameters into a http servlet-response
* and use the default http-response content-type.
*
* The parser use the VelocityEngine
as internal template evaluator.
*
* @param httpResp http-response object
* @param viewName Name of the template (with suffix), which should be used.
* The template is selected by using the getTemplate(String viewName)
method
* @param viewParams Map of parameters, which should be added to template
* @param loggerName String, which should be used from logger
*
* @throws GUIBuildException
*/
public void build(HttpServletResponse httpResp, IGUIBuilderConfiguration config, String loggerName) throws GUIBuildException;
/**
* Parse a GUI template, with parameters into a http servlet-response.
*
* The parser use the VelocityEngine
as internal template evaluator.
*
* @param httpResp http-response object
* @param viewName Name of the template (with suffix), which should be used.
* The template is selected by using the getTemplate(String viewName)
method
* @param viewParams Map of parameters, which should be added to template
* @param contentType http-response content-type, which should be set
* @param loggerName String, which should be used from logger
*
* @throws GUIBuildException
*/
void build(HttpServletResponse httpResp, IGUIBuilderConfiguration config, String contentType,
String loggerName) throws GUIBuildException;
/**
* Generate a new {@link VelocityContext} and populate it with MOA-ID GUI parameters
*
* @param config
* @return
*/
public VelocityContext generateVelocityContextFromConfiguration(IGUIBuilderConfiguration config);
/**
* Load the template from different resources
*
* @param config
* @return An {@link InputStream} but never null. The {@link InputStream} had to be closed be the invoking method
* @throws GUIBuildException
*/
public InputStream getTemplateInputStream(IGUIBuilderConfiguration config) throws GUIBuildException;
}