@Override
public void init(PortletConfig config) throws PortletException {
CurrentInstance.clearAll();
super.init(config);
Properties initParameters = new Properties();
// Read default parameters from the context
final PortletContext context = config.getPortletContext();
for (final Enumeration<String> e = context.getInitParameterNames(); e.hasMoreElements(); ) {
final String name = e.nextElement();
initParameters.setProperty(name, context.getInitParameter(name));
}
// Override with application settings from portlet.xml
for (final Enumeration<String> e = config.getInitParameterNames(); e.hasMoreElements(); ) {
final String name = e.nextElement();
initParameters.setProperty(name, config.getInitParameter(name));
}
DeploymentConfiguration deploymentConfiguration = createDeploymentConfiguration(initParameters);
try {
vaadinService = createPortletService(deploymentConfiguration);
} catch (ServiceException e) {
throw new PortletException("Could not initialized VaadinPortlet", e);
}
// Sets current service even though there are no request and response
vaadinService.setCurrentInstances(null, null);
portletInitialized();
CurrentInstance.clearAll();
}
/**
* Register web-specific environment beans ("contextParameters", "contextAttributes") with the
* given BeanFactory, as used by the Portlet ApplicationContext.
*
* @param bf the BeanFactory to configure
* @param sc the ServletContext that we're running within
* @param pc the PortletContext that we're running within
* @param config the PortletConfig of the containing Portlet
*/
static void registerEnvironmentBeans(
ConfigurableListableBeanFactory bf,
ServletContext sc,
PortletContext pc,
PortletConfig config) {
if (sc != null && !bf.containsBean(WebApplicationContext.SERVLET_CONTEXT_BEAN_NAME)) {
bf.registerSingleton(WebApplicationContext.SERVLET_CONTEXT_BEAN_NAME, sc);
}
if (pc != null
&& !bf.containsBean(ConfigurablePortletApplicationContext.PORTLET_CONTEXT_BEAN_NAME)) {
bf.registerSingleton(ConfigurablePortletApplicationContext.PORTLET_CONTEXT_BEAN_NAME, pc);
}
if (config != null
&& !bf.containsBean(ConfigurablePortletApplicationContext.PORTLET_CONFIG_BEAN_NAME)) {
bf.registerSingleton(ConfigurablePortletApplicationContext.PORTLET_CONFIG_BEAN_NAME, config);
}
if (!bf.containsBean(WebApplicationContext.CONTEXT_PARAMETERS_BEAN_NAME)) {
Map<String, String> parameterMap = new HashMap<String, String>();
if (pc != null) {
Enumeration paramNameEnum = pc.getInitParameterNames();
while (paramNameEnum.hasMoreElements()) {
String paramName = (String) paramNameEnum.nextElement();
parameterMap.put(paramName, pc.getInitParameter(paramName));
}
}
if (config != null) {
Enumeration paramNameEnum = config.getInitParameterNames();
while (paramNameEnum.hasMoreElements()) {
String paramName = (String) paramNameEnum.nextElement();
parameterMap.put(paramName, config.getInitParameter(paramName));
}
}
bf.registerSingleton(
WebApplicationContext.CONTEXT_PARAMETERS_BEAN_NAME,
Collections.unmodifiableMap(parameterMap));
}
if (!bf.containsBean(WebApplicationContext.CONTEXT_ATTRIBUTES_BEAN_NAME)) {
Map<String, Object> attributeMap = new HashMap<String, Object>();
if (pc != null) {
Enumeration attrNameEnum = pc.getAttributeNames();
while (attrNameEnum.hasMoreElements()) {
String attrName = (String) attrNameEnum.nextElement();
attributeMap.put(attrName, pc.getAttribute(attrName));
}
}
bf.registerSingleton(
WebApplicationContext.CONTEXT_ATTRIBUTES_BEAN_NAME,
Collections.unmodifiableMap(attributeMap));
}
}