public void rebuild() {
initialised = false;
loadedClasses.clear();
initArtefactHandlers();
if (GrailsUtil.isDevelopmentEnv()) {
initialise();
} else {
throw new IllegalStateException(
"Cannot rebuild GrailsApplication when not in development mode!");
}
}
/**
* Creates a GroovyPageMetaInfo instance from the given Parse object, and initialises it with the
* the specified last modifed date and InputStream
*
* @param parse The Parse object
* @param lastModified The last modified date
* @param in The InputStream instance
* @return A GroovyPageMetaInfo instance
*/
private GroovyPageMetaInfo createPageMetaInfo(
GroovyPageParser parse, long lastModified, InputStream in) {
GroovyPageMetaInfo pageMeta = new GroovyPageMetaInfo();
pageMeta.setJspTagLibraryResolver(jspTagLibraryResolver);
pageMeta.setTagLibraryLookup(tagLibraryLookup);
pageMeta.setContentType(parse.getContentType());
pageMeta.setLineNumbers(parse.getLineNumberMatrix());
pageMeta.setLastModified(lastModified);
pageMeta.setJspTags(parse.getJspTags());
pageMeta.setCodecName(parse.getDefaultCodecDirectiveValue());
pageMeta.initCodec();
// just return groovy and don't compile if asked
if (isReloadEnabled() || GrailsUtil.isDevelopmentEnv()) {
pageMeta.setGroovySource(in);
}
return pageMeta;
}
@Override
protected View loadView(String viewName, Locale locale) throws Exception {
Assert.notNull(templateEngine, "Property [templateEngine] cannot be null");
if (GrailsUtil.isDevelopmentEnv()) {
return createGrailsView(viewName);
}
View view = VIEW_CACHE.get(viewName);
if (view == null
|| (templateEngine.isReloadEnabled()
&& view instanceof GroovyPageView
&& ((GroovyPageView) view).isExpired())) {
view = createGrailsView(viewName);
}
VIEW_CACHE.put(viewName, view);
return view;
}
/** Default constructor. */
public ReloadAwareAutowireCapableBeanFactory() {
reloadEnabled = GrailsUtil.isDevelopmentEnv() || Environment.getCurrent().isReloadEnabled();
if (reloadEnabled) {
// Implementation note: The default Spring InstantiationStrategy caches constructors.
// This is no good at development time because if the class reloads then Spring
// continues to use the old class. We deal with this here by disabling the caching
// for development time only
setInstantiationStrategy(
new CglibSubclassingInstantiationStrategy() {
@Override
public Object instantiate(
RootBeanDefinition beanDefinition, String beanName, BeanFactory owner) {
// Don't override the class with CGLIB if no overrides.
if (beanDefinition.getMethodOverrides().isEmpty()) {
Constructor<?> constructorToUse;
Class<?> clazz = beanDefinition.getBeanClass();
if (clazz.isInterface()) {
throw new BeanInstantiationException(clazz, "Specified class is an interface");
}
try {
constructorToUse = clazz.getDeclaredConstructor((Class[]) null);
} catch (Exception ex) {
throw new BeanInstantiationException(clazz, "No default constructor found", ex);
}
return BeanUtils.instantiateClass(constructorToUse);
}
// Must generate CGLIB subclass.
return instantiateWithMethodInjection(beanDefinition, beanName, owner);
}
});
}
setParameterNameDiscoverer(new LocalVariableTableParameterNameDiscoverer());
setAutowireCandidateResolver(new QualifierAnnotationAutowireCandidateResolver());
ignoreDependencyType(Closure.class);
}
/**
* Overrides the default behaviour to establish the handler from the GrailsApplication instance
*
* @param request The request
* @param cache Whether to cache the Handler in the request
* @return The HandlerExecutionChain
* @throws Exception
*/
protected HandlerExecutionChain getHandler(HttpServletRequest request, boolean cache)
throws Exception {
String uri = urlHelper.getPathWithinApplication(request);
if (logger.isDebugEnabled()) {
logger.debug("Looking up Grails controller for URI [" + uri + "]");
}
GrailsControllerClass controllerClass =
(GrailsControllerClass)
application.getArtefactForFeature(ControllerArtefactHandler.TYPE, uri);
final String actionName =
(String) request.getAttribute(GrailsApplicationAttributes.ACTION_NAME_ATTRIBUTE);
if (controllerClass != null) {
HandlerInterceptor[] interceptors;
// if we're in a development environment we want to re-establish interceptors just in case
// they
// have changed at runtime
if (GrailsUtil.isDevelopmentEnv()) {
interceptors = establishInterceptors(getWebApplicationContext());
} else {
interceptors = this.interceptors;
}
if (controllerClass.isFlowAction(actionName)) {
FlowHandler flowHandler =
new AbstractFlowHandler() {
public String getFlowId() {
return actionName;
}
};
return new HandlerExecutionChain(flowHandler, interceptors);
} else {
return new HandlerExecutionChain(mainController, interceptors);
}
}
return null;
}
@SuppressWarnings("unchecked")
private void evaluateOnChangeListener() {
if (pluginBean.isReadableProperty(ON_SHUTDOWN)) {
onShutdownListener =
(Closure) GrailsClassUtils.getPropertyOrStaticPropertyOrFieldValue(plugin, ON_SHUTDOWN);
}
if (pluginBean.isReadableProperty(ON_CONFIG_CHANGE)) {
onConfigChangeListener =
(Closure)
GrailsClassUtils.getPropertyOrStaticPropertyOrFieldValue(plugin, ON_CONFIG_CHANGE);
}
if (pluginBean.isReadableProperty(ON_CHANGE)) {
onChangeListener =
(Closure) GrailsClassUtils.getPropertyOrStaticPropertyOrFieldValue(plugin, ON_CHANGE);
}
final boolean warDeployed = Metadata.getCurrent().isWarDeployed();
final boolean reloadEnabled = Environment.getCurrent().isReloadEnabled();
if (!((reloadEnabled || !warDeployed) && onChangeListener != null)) {
return;
}
Object referencedResources =
GrailsClassUtils.getPropertyOrStaticPropertyOrFieldValue(plugin, WATCHED_RESOURCES);
try {
List resourceList = null;
if (referencedResources instanceof String) {
if (LOG.isDebugEnabled()) {
LOG.debug(
"Configuring plugin "
+ this
+ " to watch resources with pattern: "
+ referencedResources);
}
resourceList = new ArrayList();
resourceList.add(referencedResources.toString());
} else if (referencedResources instanceof List) {
resourceList = (List) referencedResources;
}
if (resourceList != null) {
List<String> resourceListTmp = new ArrayList<String>();
PluginBuildSettings pluginBuildSettings = GrailsPluginUtils.getPluginBuildSettings();
if (pluginBuildSettings != null) {
final Resource[] pluginDirs = pluginBuildSettings.getPluginDirectories();
final Environment env = Environment.getCurrent();
final String baseLocation = env.getReloadLocation();
for (Object ref : resourceList) {
String stringRef = ref.toString();
if (!warDeployed) {
for (Resource pluginDir : pluginDirs) {
if (pluginDir != null) {
String pluginResources =
getResourcePatternForBaseLocation(
pluginDir.getFile().getCanonicalPath(), stringRef);
resourceListTmp.add(pluginResources);
}
}
addBaseLocationPattern(resourceListTmp, baseLocation, stringRef);
} else {
addBaseLocationPattern(resourceListTmp, baseLocation, stringRef);
}
}
watchedResourcePatternReferences = new String[resourceListTmp.size()];
for (int i = 0; i < watchedResourcePatternReferences.length; i++) {
String resRef = resourceListTmp.get(i);
watchedResourcePatternReferences[i] = resRef;
}
watchedResourcePatterns =
new WatchPatternParser()
.getWatchPatterns(Arrays.asList(watchedResourcePatternReferences));
}
}
} catch (IllegalArgumentException e) {
if (GrailsUtil.isDevelopmentEnv()) {
LOG.debug(
"Cannot load plug-in resource watch list from ["
+ ArrayUtils.toString(watchedResourcePatternReferences)
+ "]. This means that the plugin "
+ this
+ ", will not be able to auto-reload changes effectively. Try runnng grails upgrade.: "
+ e.getMessage());
}
} catch (IOException e) {
if (GrailsUtil.isDevelopmentEnv()) {
LOG.debug(
"Cannot load plug-in resource watch list from ["
+ ArrayUtils.toString(watchedResourcePatternReferences)
+ "]. This means that the plugin "
+ this
+ ", will not be able to auto-reload changes effectively. Try runnng grails upgrade.: "
+ e.getMessage());
}
}
}
/**
* Evaluates the existance of a view for different extensions choosing which one to delegate to.
*
* @author Graeme Rocher
* @since 0.1
*/
public class GroovyPageViewResolver extends InternalResourceViewResolver
implements GrailsViewResolver {
private static final Log LOG = LogFactory.getLog(GroovyPageViewResolver.class);
public static final String GSP_SUFFIX = ".gsp";
public static final String JSP_SUFFIX = ".jsp";
protected GroovyPagesTemplateEngine templateEngine;
protected GrailsConventionGroovyPageLocator groovyPageLocator;
private ConcurrentMap<String, CacheEntry<View>> viewCache =
new ConcurrentHashMap<String, CacheEntry<View>>();
private boolean allowGrailsViewCaching = !GrailsUtil.isDevelopmentEnv();
private long cacheTimeout = -1;
/** Constructor. */
public GroovyPageViewResolver() {
setCache(false);
setOrder(Ordered.LOWEST_PRECEDENCE - 20);
}
public GroovyPageViewResolver(
GroovyPagesTemplateEngine templateEngine,
GrailsConventionGroovyPageLocator groovyPageLocator) {
this();
this.templateEngine = templateEngine;
this.groovyPageLocator = groovyPageLocator;
}
public void setGroovyPageLocator(GrailsConventionGroovyPageLocator groovyPageLocator) {
this.groovyPageLocator = groovyPageLocator;
}
@Override
public View resolveViewName(String viewName, Locale locale) throws Exception {
return super.resolveViewName(WebUtils.addViewPrefix(viewName), locale);
}
@Override
protected View loadView(String viewName, Locale locale) throws Exception {
Assert.notNull(templateEngine, "Property [templateEngine] cannot be null");
if (viewName.endsWith(GSP_SUFFIX)) {
viewName = viewName.substring(0, viewName.length() - GSP_SUFFIX.length());
}
if (!allowGrailsViewCaching) {
return createGrailsView(viewName);
}
String viewCacheKey = groovyPageLocator.resolveViewFormat(viewName);
String currentControllerKeyPrefix = resolveCurrentControllerKeyPrefixes();
if (currentControllerKeyPrefix != null) {
viewCacheKey = currentControllerKeyPrefix + ':' + viewCacheKey;
}
CacheEntry<View> entry = viewCache.get(viewCacheKey);
final String lookupViewName = viewName;
Callable<View> updater =
new Callable<View>() {
public View call() throws Exception {
try {
return createGrailsView(lookupViewName);
} catch (Exception e) {
throw new WrappedInitializationException(e);
}
}
};
View view = null;
if (entry == null) {
try {
return CacheEntry.getValue(viewCache, viewCacheKey, cacheTimeout, updater);
} catch (CacheEntry.UpdateException e) {
e.rethrowCause();
// make compiler happy
return null;
}
}
try {
view = entry.getValue(cacheTimeout, updater, true, null);
} catch (WrappedInitializationException e) {
e.rethrowCause();
}
return view;
}
/**
* @return prefix for cache key that contains current controller's context (currently plugin and
* namespace)
*/
protected String resolveCurrentControllerKeyPrefixes() {
String pluginContextPath = null;
String namespace = null;
GrailsWebRequest webRequest = GrailsWebRequest.lookup();
if (webRequest != null) {
namespace = webRequest.getControllerNamespace();
pluginContextPath =
(webRequest.getAttributes() != null && webRequest.getCurrentRequest() != null)
? webRequest.getAttributes().getPluginContextPath(webRequest.getCurrentRequest())
: null;
return (pluginContextPath != null ? pluginContextPath : "-")
+ ","
+ (namespace != null ? namespace : "-");
} else {
return null;
}
}
private static class WrappedInitializationException extends RuntimeException {
private static final long serialVersionUID = 1L;
public WrappedInitializationException(Throwable cause) {
super(cause);
}
public void rethrowCause() throws Exception {
if (getCause() instanceof Exception) {
throw (Exception) getCause();
}
throw this;
}
}
protected View createGrailsView(String viewName) throws Exception {
// try GSP if res is null
GroovyObject controller = null;
GrailsWebRequest webRequest = GrailsWebRequest.lookup();
if (webRequest != null) {
HttpServletRequest request = webRequest.getCurrentRequest();
controller = webRequest.getAttributes().getController(request);
}
GroovyPageScriptSource scriptSource;
if (controller == null) {
scriptSource = groovyPageLocator.findViewByPath(viewName);
} else {
scriptSource = groovyPageLocator.findView(controller, viewName);
}
if (scriptSource != null) {
return createGroovyPageView(scriptSource.getURI(), scriptSource);
}
return createFallbackView(viewName);
}
private View createGroovyPageView(String gspView, ScriptSource scriptSource) {
if (LOG.isDebugEnabled()) {
LOG.debug("Resolved GSP view at URI [" + gspView + "]");
}
GroovyPageView gspSpringView = new GroovyPageView();
gspSpringView.setServletContext(getServletContext());
gspSpringView.setUrl(gspView);
gspSpringView.setApplicationContext(getApplicationContext());
gspSpringView.setTemplateEngine(templateEngine);
gspSpringView.setScriptSource(scriptSource);
try {
gspSpringView.afterPropertiesSet();
} catch (Exception e) {
throw new RuntimeException("Error initializing GroovyPageView", e);
}
return gspSpringView;
}
protected View createFallbackView(String viewName) throws Exception {
return createJstlView(viewName);
}
protected View createJstlView(String viewName) throws Exception {
AbstractUrlBasedView view = buildView(viewName);
view.setApplicationContext(getApplicationContext());
view.afterPropertiesSet();
return view;
}
@Autowired(required = true)
@Qualifier(GroovyPagesTemplateEngine.BEAN_ID)
public void setTemplateEngine(GroovyPagesTemplateEngine templateEngine) {
this.templateEngine = templateEngine;
}
public long getCacheTimeout() {
return cacheTimeout;
}
public void setCacheTimeout(long cacheTimeout) {
this.cacheTimeout = cacheTimeout;
}
@Override
public void clearCache() {
super.clearCache();
viewCache.clear();
}
public boolean isAllowGrailsViewCaching() {
return allowGrailsViewCaching;
}
public void setAllowGrailsViewCaching(boolean allowGrailsViewCaching) {
this.allowGrailsViewCaching = allowGrailsViewCaching;
}
}
