public BaseSettingsApi(
BuildSettings settings, GrailsBuildEventListener buildEventListener, boolean interactive) {
buildSettings = settings;
buildProps = buildSettings.getConfig().toProperties();
grailsHome = buildSettings.getGrailsHome();
metadataFile = new File(buildSettings.getBaseDir(), "application.properties");
metadata = metadataFile.exists() ? Metadata.getInstance(metadataFile) : Metadata.getCurrent();
metadataFile = metadata.getMetadataFile();
enableProfile = Boolean.valueOf(getPropertyValue("grails.script.profile", false).toString());
pluginsHome = buildSettings.getProjectPluginsDir().getPath();
pluginSettings = GrailsPluginUtils.getPluginBuildSettings(settings);
grailsAppName = metadata.getApplicationName();
isInteractive = interactive;
// If no app name property (upgraded/new/edited project) default to basedir.
if (grailsAppName == null) {
grailsAppName = buildSettings.getBaseDir().getName();
}
if (grailsAppName.indexOf('/') > -1) {
appClassName =
grailsAppName.substring(grailsAppName.lastIndexOf('/'), grailsAppName.length());
} else {
appClassName = GrailsNameUtils.getClassNameRepresentation(grailsAppName);
}
configSlurper = buildSettings.createConfigSlurper();
configSlurper.setEnvironment(buildSettings.getGrailsEnv());
this.buildEventListener = buildEventListener;
}
public void updateMetadata(
@SuppressWarnings("hiding") Metadata metadata, @SuppressWarnings("rawtypes") Map entries) {
for (Object key : entries.keySet()) {
final Object value = entries.get(key);
if (value != null) {
metadata.put(key, value.toString());
}
}
metadata.persist();
}
@Override
public void setResourceLoader(ResourceLoader resourceLoader) {
if (Metadata.getCurrent().isWarDeployed()) {
localResourceLoader = resourceLoader;
} else {
// The "settings" may be null in some of the Grails unit tests.
BuildSettings settings = BuildSettingsHolder.getSettings();
String location = null;
if (settings != null) {
location = settings.getResourcesDir().getPath();
} else if (Environment.getCurrent().isReloadEnabled()) {
location = Environment.getCurrent().getReloadLocation();
}
if (location != null) {
localResourceLoader = new DevelopmentResourceLoader(application, location);
} else {
localResourceLoader = resourceLoader;
}
}
super.setResourceLoader(localResourceLoader);
if (resourceResolver == null) {
resourceResolver = new PathMatchingResourcePatternResolver(localResourceLoader);
}
}
private Resource getResourceWithinContext(String uri) {
if (resourceLoader == null)
throw new IllegalStateException(
"TemplateEngine not initialised correctly, no [resourceLoader] specified!");
if (Environment.getCurrent().isReloadEnabled() && Metadata.getCurrent().isWarDeployed()) {
return resourceLoader.getResource(uri);
}
Resource r = servletContextLoader.getResource(uri);
if (r.exists()) return r;
return resourceLoader.getResource(uri);
}
protected void syncAppVersion() {
final Metadata metadata =
Metadata.getInstance(new File(getBasedir(), "application.properties"));
if (syncVersion(metadata)) metadata.persist();
String artifactId = project.getArtifactId();
if (artifactId.startsWith("grails-")) artifactId = artifactId.substring("grails-".length());
final String fName = getFullGrailsPluginName();
if (fName != null) {
File gpFile = new File(fName);
String text = null;
String mod = null;
try {
text = readFileAsString(gpFile);
mod = text.replaceFirst(GRAILS_PLUGIN_VERSION_PATTERN, "$1" + project.getVersion() + "$5");
} catch (IOException e) {
// ignore
}
if (text != null && !mod.equalsIgnoreCase(text)) {
BufferedOutputStream out = null;
try {
out = new BufferedOutputStream(new FileOutputStream(gpFile));
out.write(mod.getBytes());
} catch (IOException e) {
// do nuffink
} finally {
if (out != null) {
try {
out.close();
} catch (Exception ignored) {
// ignored
}
}
}
}
}
}
private boolean syncVersion(Metadata metadata) {
boolean changed = false;
Object apGrailsVersion = metadata.get(APP_GRAILS_VERSION);
Artifact grailsDependency = findGrailsDependency(project);
if (grailsDependency != null) {
if (!grailsDependency.getVersion().equals(apGrailsVersion)) {
metadata.put(APP_GRAILS_VERSION, grailsDependency.getVersion());
changed = true;
}
} else if (grailsVersion != null && !grailsVersion.equals(apGrailsVersion)) {
metadata.put(APP_GRAILS_VERSION, grailsVersion);
changed = true;
}
if (!project.getVersion().equals(metadata.get(APP_VERSION))) {
metadata.put(APP_VERSION, project.getVersion());
changed = true;
}
return changed;
}
private boolean enableDocumentationGeneration() {
return !Metadata.getCurrent().isWarDeployed() && isBasePlugin();
}
@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());
}
}
}
/**
* Default implementation of the GrailsApplication interface that manages application loading,
* state, and artefact instances.
*
* <p>Upon loading this GrailsApplication will inspect each class using its registered
* ArtefactHandler instances. Each ArtefactHandler provides knowledge about the conventions used to
* establish its artefact type. For example controllers use the ControllerArtefactHandler to
* establish this knowledge.
*
* <p>New ArtefactHandler instances can be registered with the GrailsApplication thus allowing
* application extensibility.
*
* @author Marc Palmer
* @author Steven Devijver
* @author Graeme Rocher
* @see org.codehaus.groovy.grails.plugins.GrailsPluginManager
* @see org.codehaus.groovy.grails.plugins.DefaultGrailsPluginManager
* @see org.codehaus.groovy.grails.commons.ArtefactHandler
* @see org.codehaus.groovy.grails.commons.ArtefactInfo
* @since 0.1
*/
public class DefaultGrailsApplication extends GroovyObjectSupport
implements GrailsApplication, BeanClassLoaderAware {
protected static final Pattern GETCLASSESPROP_PATTERN = Pattern.compile("(\\w+)(Classes)");
protected static final Pattern GETCLASSESMETH_PATTERN = Pattern.compile("(get)(\\w+)(Classes)");
protected static final Pattern ISCLASS_PATTERN = Pattern.compile("(is)(\\w+)(Class)");
protected static final Pattern GETCLASS_PATTERN = Pattern.compile("(get)(\\w+)Class");
protected ClassLoader cl;
protected Class<?>[] allClasses = new Class[0];
protected static Log log = LogFactory.getLog(DefaultGrailsApplication.class);
protected ApplicationContext parentContext;
protected ApplicationContext mainContext;
protected List<Class<?>> loadedClasses = new ArrayList<Class<?>>();
protected ArtefactHandler[] artefactHandlers;
protected Map<String, ArtefactHandler> artefactHandlersByName =
new HashMap<String, ArtefactHandler>();
protected List<Class<?>> allArtefactClasses = new ArrayList<Class<?>>();
protected Map<String, ArtefactInfo> artefactInfo = new HashMap<String, ArtefactInfo>();
protected Class<?>[] allArtefactClassesArray;
protected Metadata applicationMeta = Metadata.getCurrent();
protected Resource[] resources;
protected boolean initialised = false;
protected ConfigObject config;
@SuppressWarnings("rawtypes")
protected Map flatConfig = Collections.emptyMap();
/** Creates a new empty Grails application. */
public DefaultGrailsApplication() {
cl = new GroovyClassLoader();
}
/**
* Creates a new GrailsApplication instance using the given classes and GroovyClassLoader.
*
* @param classes The classes that make up the GrailsApplication
* @param classLoader The GroovyClassLoader to use
*/
public DefaultGrailsApplication(final Class<?>[] classes, ClassLoader classLoader) {
Assert.notNull(classes, "Constructor argument 'classes' cannot be null");
loadedClasses.addAll(Arrays.asList(classes));
allClasses = classes;
cl = classLoader;
}
/**
* Loads a GrailsApplication using the given ResourceLocator instance which will search for
* appropriate class names
*/
public DefaultGrailsApplication(Resource[] resources) {
this();
for (Resource resource : resources) {
Class<?> aClass;
try {
aClass =
cl.loadClass(
org.codehaus.groovy.grails.io.support.GrailsResourceUtils.getClassName(
resource.getFile().getAbsolutePath()));
} catch (ClassNotFoundException e) {
throw new GrailsConfigurationException(
"Class not found loading Grails application: " + e.getMessage(), e);
} catch (IOException e) {
throw new GrailsConfigurationException(
"Class not found loading Grails application: " + e.getMessage(), e);
}
loadedClasses.add(aClass);
}
}
/**
* Loads a GrailsApplication using the given ResourceLocator instance which will search for
* appropriate class names
*/
public DefaultGrailsApplication(org.codehaus.groovy.grails.io.support.Resource[] resources) {
this();
for (org.codehaus.groovy.grails.io.support.Resource resource : resources) {
Class<?> aClass;
try {
aClass =
cl.loadClass(
org.codehaus.groovy.grails.io.support.GrailsResourceUtils.getClassName(
resource.getFile().getAbsolutePath()));
} catch (ClassNotFoundException e) {
throw new GrailsConfigurationException(
"Class not found loading Grails application: " + e.getMessage(), e);
} catch (IOException e) {
throw new GrailsConfigurationException(
"Class not found loading Grails application: " + e.getMessage(), e);
}
loadedClasses.add(aClass);
}
}
/**
* Initialises the default set of ArtefactHandler instances.
*
* @see org.codehaus.groovy.grails.commons.ArtefactHandler
*/
protected void initArtefactHandlers() {
final DomainClassArtefactHandler domainClassArtefactHandler =
new AnnotationDomainClassArtefactHandler();
if (!hasArtefactHandler(domainClassArtefactHandler.getType())) {
registerArtefactHandler(domainClassArtefactHandler);
}
final ControllerArtefactHandler controllerArtefactHandler = new ControllerArtefactHandler();
if (!hasArtefactHandler(controllerArtefactHandler.getType())) {
registerArtefactHandler(controllerArtefactHandler);
}
final ServiceArtefactHandler serviceArtefactHandler = new ServiceArtefactHandler();
if (!hasArtefactHandler(serviceArtefactHandler.getType())) {
registerArtefactHandler(serviceArtefactHandler);
}
final TagLibArtefactHandler tagLibArtefactHandler = new TagLibArtefactHandler();
if (!hasArtefactHandler(tagLibArtefactHandler.getType())) {
registerArtefactHandler(tagLibArtefactHandler);
}
final BootstrapArtefactHandler bootstrapArtefactHandler = new BootstrapArtefactHandler();
if (!hasArtefactHandler(bootstrapArtefactHandler.getType())) {
registerArtefactHandler(bootstrapArtefactHandler);
}
final CodecArtefactHandler codecArtefactHandler = new CodecArtefactHandler();
if (!hasArtefactHandler(codecArtefactHandler.getType())) {
registerArtefactHandler(codecArtefactHandler);
}
final UrlMappingsArtefactHandler urlMappingsArtefactHandler = new UrlMappingsArtefactHandler();
if (!hasArtefactHandler(urlMappingsArtefactHandler.getType())) {
registerArtefactHandler(urlMappingsArtefactHandler);
}
updateArtefactHandlers();
}
private void updateArtefactHandlers() {
// Cache the list as an array
artefactHandlers =
artefactHandlersByName.values().toArray(new ArtefactHandler[artefactHandlersByName.size()]);
}
/**
* Returns all the classes identified as artefacts by ArtefactHandler instances.
*
* @return An array of classes
*/
public Class<?>[] getAllArtefacts() {
return allArtefactClassesArray;
}
protected Class<?>[] populateAllClasses() {
allClasses = loadedClasses.toArray(new Class[loadedClasses.size()]);
return allClasses;
}
/**
* Configures the loaded classes within the GrailsApplication instance using the registered
* ArtefactHandler instances.
*
* @param classes The classes to configure
*/
protected void configureLoadedClasses(Class<?>[] classes) {
initArtefactHandlers();
artefactInfo.clear();
allArtefactClasses.clear();
allArtefactClassesArray = null;
allClasses = classes;
// first load the domain classes
log.debug("Going to inspect artefact classes.");
for (final Class<?> theClass : classes) {
log.debug("Inspecting [" + theClass.getName() + "]");
if (allArtefactClasses.contains(theClass)) {
continue;
}
// check what kind of artefact it is and add to corrent data structure
for (ArtefactHandler artefactHandler : artefactHandlers) {
if (artefactHandler.isArtefact(theClass)) {
log.debug("Adding artefact " + theClass + " of kind " + artefactHandler.getType());
GrailsClass gclass = addArtefact(artefactHandler.getType(), theClass);
// Also maintain set of all artefacts (!= all classes loaded)
allArtefactClasses.add(theClass);
// Update per-artefact cache
DefaultArtefactInfo info = getArtefactInfo(artefactHandler.getType(), true);
info.addGrailsClass(gclass);
break;
}
}
}
refreshArtefactGrailsClassCaches();
allArtefactClassesArray = allArtefactClasses.toArray(new Class[allArtefactClasses.size()]);
// Tell all artefact handlers to init now we've worked out which classes are which artefacts
for (ArtefactHandler artefactHandler : artefactHandlers) {
initializeArtefacts(artefactHandler);
}
}
/**
* Tell all our artefact info objects to update their internal state after we've added a bunch of
* classes.
*/
protected void refreshArtefactGrailsClassCaches() {
for (Object o : artefactInfo.values()) {
((DefaultArtefactInfo) o).updateComplete();
}
}
protected void addToLoaded(Class<?> clazz) {
loadedClasses.add(clazz);
populateAllClasses();
}
public ClassLoader getClassLoader() {
return cl;
}
public ConfigObject getConfig() {
if (config == null) {
setConfig(ConfigurationHelper.loadConfigFromClasspath(this));
}
return config;
}
public void setConfig(ConfigObject config) {
this.config = config;
if (config == null) {
flatConfig = Collections.emptyMap();
} else {
flatConfig = config.flatten();
}
}
@SuppressWarnings("unchecked")
public Map<String, Object> getFlatConfig() {
return flatConfig;
}
/**
* Retrieves the number of artefacts registered for the given artefactType as defined by the
* ArtefactHandler.
*
* @param artefactType The type of the artefact as defined by the ArtefactHandler
* @return The number of registered artefacts
*/
protected int getArtefactCount(String artefactType) {
ArtefactInfo info = getArtefactInfo(artefactType);
return info == null ? 0 : info.getClasses().length;
}
/**
* Retrieves all classes loaded by the GrailsApplication.
*
* @return All classes loaded by the GrailsApplication
*/
public Class<?>[] getAllClasses() {
return allClasses;
}
public ApplicationContext getMainContext() {
return mainContext;
}
public void setMainContext(ApplicationContext context) {
mainContext = context;
}
/**
* Sets the parent ApplicationContext for the GrailsApplication.
*
* @param applicationContext The ApplicationContext
* @throws BeansException Thrown when an error occurs setting the ApplicationContext
*/
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
parentContext = applicationContext;
}
/**
* Retrieves the parent ApplicationContext for this GrailsApplication.
*
* @return The parent ApplicationContext
*/
public ApplicationContext getParentContext() {
return parentContext;
}
/**
* Retrieves a class from the GrailsApplication for the given name.
*
* @param className The class name
* @return Either the Class instance or null if it doesn't exist
*/
public Class<?> getClassForName(String className) {
if (StringUtils.isBlank(className)) {
return null;
}
for (Class<?> c : allClasses) {
if (c.getName().equals(className)) {
return c;
}
}
return null;
}
/**
* Refreshes constraints defined by the DomainClassArtefactHandler.
*
* <p>TODO: Move this out of GrailsApplication
*/
public void refreshConstraints() {
ArtefactInfo info = getArtefactInfo(DomainClassArtefactHandler.TYPE, true);
GrailsClass[] domainClasses = info.getGrailsClasses();
for (GrailsClass domainClass : domainClasses) {
((GrailsDomainClass) domainClass).refreshConstraints();
}
}
/**
* Refreshes this GrailsApplication, rebuilding all of the artefact definitions as defined by the
* registered ArtefactHandler instances.
*/
public void refresh() {
if (cl instanceof GroovyClassLoader) {
configureLoadedClasses(((GroovyClassLoader) cl).getLoadedClasses());
}
}
public void rebuild() {
initialised = false;
loadedClasses.clear();
initArtefactHandlers();
if (GrailsUtil.isDevelopmentEnv()) {
initialise();
} else {
throw new IllegalStateException(
"Cannot rebuild GrailsApplication when not in development mode!");
}
}
/**
* Retrieves the Spring Resource that was used to load the given Class.
*
* @param theClazz The class
* @return Either a Spring Resource or null if no Resource was found for the given class
*/
public Resource getResourceForClass(@SuppressWarnings("rawtypes") Class theClazz) {
// TODO fix
return null;
}
/**
* Returns true if the given class is an artefact identified by one of the registered
* ArtefactHandler instances. Uses class name equality to handle class reloading
*
* @param theClazz The class to check
* @return true if it is an artefact
*/
public boolean isArtefact(@SuppressWarnings("rawtypes") Class theClazz) {
String className = theClazz.getName();
for (Class<?> artefactClass : allArtefactClasses) {
if (className.equals(artefactClass.getName())) {
return true;
}
}
return false;
}
/**
* Returns true if the specified class is of the given artefact type as defined by the
* ArtefactHandler.
*
* @param artefactType The type of the artefact
* @param theClazz The class
* @return true if it is of the specified artefactType
* @see org.codehaus.groovy.grails.commons.ArtefactHandler
*/
public boolean isArtefactOfType(
String artefactType, @SuppressWarnings("rawtypes") Class theClazz) {
ArtefactHandler handler = artefactHandlersByName.get(artefactType);
if (handler == null) {
throw new GrailsConfigurationException(
"Unable to locate arefact handler for specified type: " + artefactType);
}
return handler.isArtefact(theClazz);
}
/**
* Returns true if the specified class name is of the given artefact type as defined by the
* ArtefactHandler.
*
* @param artefactType The type of the artefact
* @param className The class name
* @return true if it is of the specified artefactType
* @see org.codehaus.groovy.grails.commons.ArtefactHandler
*/
public boolean isArtefactOfType(String artefactType, String className) {
return getArtefact(artefactType, className) != null;
}
/**
* Retrieves an artefact for the given type and name.
*
* @param artefactType The artefact type as defined by a registered ArtefactHandler
* @param name The name of the class
* @return A GrailsClass instance or null if none could be found for the given artefactType and
* name
*/
public GrailsClass getArtefact(String artefactType, String name) {
ArtefactInfo info = getArtefactInfo(artefactType);
return info == null ? null : info.getGrailsClass(name);
}
public ArtefactHandler getArtefactType(@SuppressWarnings("rawtypes") Class theClass) {
for (ArtefactHandler artefactHandler : artefactHandlers) {
if (artefactHandler.isArtefact(theClass)) {
return artefactHandler;
}
}
return null;
}
protected GrailsClass getFirstArtefact(String artefactType) {
ArtefactInfo info = getArtefactInfo(artefactType);
// This will throw AIOB if we have none
return info == null ? null : info.getGrailsClasses()[0];
}
/**
* Returns all of the GrailsClass instances for the given artefactType as defined by the
* ArtefactHandler
*
* @param artefactType The type of the artefact defined by the ArtefactHandler
* @return An array of classes for the given artefact
*/
public GrailsClass[] getArtefacts(String artefactType) {
return getArtefactInfo(artefactType, true).getGrailsClasses();
}
// This is next call is equiv to getControllerByURI / getTagLibForTagName
public GrailsClass getArtefactForFeature(String artefactType, Object featureID) {
return artefactHandlersByName.get(artefactType).getArtefactForFeature(featureID);
}
/**
* Adds an artefact of the given type for the given Class.
*
* @param artefactType The type of the artefact as defined by a ArtefactHandler instance
* @param artefactClass A Class instance that matches the type defined by the ArtefactHandler
* @return The GrailsClass if successful or null if it couldn't be added
* @throws GrailsConfigurationException If the specified Class is not the same as the type defined
* by the ArtefactHandler
* @see org.codehaus.groovy.grails.commons.ArtefactHandler
*/
public GrailsClass addArtefact(
String artefactType, @SuppressWarnings("rawtypes") Class artefactClass) {
return addArtefact(artefactType, artefactClass, false);
}
/**
* Adds an artefact of the given type for the given GrailsClass.
*
* @param artefactType The type of the artefact as defined by a ArtefactHandler instance
* @param artefactGrailsClass A GrailsClass instance that matches the type defined by the
* ArtefactHandler
* @return The GrailsClass if successful or null if it couldn't be added
* @throws GrailsConfigurationException If the specified GrailsClass is not the same as the type
* defined by the ArtefactHandler
* @see org.codehaus.groovy.grails.commons.ArtefactHandler
*/
public GrailsClass addArtefact(String artefactType, GrailsClass artefactGrailsClass) {
ArtefactHandler handler = artefactHandlersByName.get(artefactType);
if (handler.isArtefactGrailsClass(artefactGrailsClass)) {
// Store the GrailsClass in cache
DefaultArtefactInfo info = getArtefactInfo(artefactType, true);
info.addGrailsClass(artefactGrailsClass);
info.updateComplete();
initializeArtefacts(artefactType);
return artefactGrailsClass;
}
throw new GrailsConfigurationException(
"Cannot add "
+ artefactType
+ " class ["
+ artefactGrailsClass
+ "]. It is not a "
+ artefactType
+ "!");
}
/**
* Registers a new ArtefactHandler that is responsible for identifying and managing a particular
* artefact type that is defined by some convention.
*
* @param handler The ArtefactHandler to regster
*/
public void registerArtefactHandler(ArtefactHandler handler) {
GrailsApplicationAwareBeanPostProcessor.processAwareInterfaces(this, handler);
artefactHandlersByName.put(handler.getType(), handler);
updateArtefactHandlers();
}
public boolean hasArtefactHandler(String type) {
return artefactHandlersByName.containsKey(type);
}
public ArtefactHandler[] getArtefactHandlers() {
return artefactHandlers;
}
public ArtefactHandler getArtefactHandler(String type) {
return artefactHandlersByName.get(type);
}
/**
* Re-initialize the artefacts of the specified type. This gives handlers a chance to update
* caches etc.
*
* @param artefactType The type of artefact to init
*/
protected void initializeArtefacts(String artefactType) {
initializeArtefacts(artefactHandlersByName.get(artefactType));
}
/**
* Clears the application returning it to an empty state. Very dangerous method, use with caution.
*/
public void clear() {
artefactHandlersByName.clear();
updateArtefactHandlers();
artefactInfo.clear();
initialise();
}
/**
* Re-initialize the artefacts of the specified type. This gives handlers a chance to update
* caches etc.
*
* @param handler The handler to register
*/
protected void initializeArtefacts(ArtefactHandler handler) {
if (handler == null) {
return;
}
ArtefactInfo info = getArtefactInfo(handler.getType());
// Only init those that have data
if (info != null) {
// System.out.println("Initialising artefacts of kind " + handler.getType() + " with
// registered artefacts" + info.getGrailsClassesByName());
handler.initialize(info);
}
}
/**
* Get or create the cache of classes for the specified artefact type.
*
* @param artefactType The name of an artefact type
* @param create Set to true if you want non-existent caches to be created
* @return The cache of classes for the type, or null if no cache exists and create is false
*/
protected DefaultArtefactInfo getArtefactInfo(String artefactType, boolean create) {
DefaultArtefactInfo cache = (DefaultArtefactInfo) artefactInfo.get(artefactType);
if (cache == null && create) {
cache = new DefaultArtefactInfo();
artefactInfo.put(artefactType, cache);
cache.updateComplete();
}
return cache;
}
/**
* Get the cache of classes for the specified artefact type.
*
* @param artefactType The name of an artefact type
* @return The cache of classes for the type, or null if no cache exists
*/
public ArtefactInfo getArtefactInfo(String artefactType) {
return getArtefactInfo(artefactType, false);
}
/**
* Overrides method invocation to return dynamic artefact methods.
*
* <p>We will support getXXXXClasses() and isXXXXClass(class)
*
* @param methodName The name of the method
* @param args The arguments to the method
* @return The return value of the method TODO Need to add matches for
* add<Artefact>Class(java.lang.Class) and add<Artefact>Class(GrailsClass)
*/
@Override
public Object invokeMethod(String methodName, Object args) {
Object[] argsv = (Object[]) args;
Matcher match = GETCLASS_PATTERN.matcher(methodName);
// look for getXXXXClass(y)
match.find();
if (match.matches()) {
if (argsv.length > 0) {
if (argsv[0] instanceof CharSequence) argsv[0] = argsv[0].toString();
if ((argsv.length != 1) || !(argsv[0] instanceof String)) {
throw new IllegalArgumentException(
"Dynamic method get<Artefact>Class(artefactName) requires a single String parameter");
}
return getArtefact(match.group(2), argsv[0].toString());
}
// It's a no-param getter
return super.invokeMethod(methodName, args);
}
// look for isXXXXClass(y)
match = ISCLASS_PATTERN.matcher(methodName);
// find match
match.find();
if (match.matches()) {
if ((argsv.length != 1) || !(argsv[0] instanceof Class<?>)) {
throw new IllegalArgumentException(
"Dynamic method is<Artefact>Class(artefactClass) requires a single Class parameter");
}
return isArtefactOfType(match.group(2), (Class<?>) argsv[0]);
}
// look for getXXXXClasses
match = GETCLASSESMETH_PATTERN.matcher(methodName);
// find match
match.find();
if (match.matches()) {
String artefactName = GrailsNameUtils.getClassNameRepresentation(match.group(2));
if (artefactHandlersByName.containsKey(artefactName)) {
return getArtefacts(match.group(2));
}
throw new IllegalArgumentException(
"Dynamic method get<Artefact>Classes() called for "
+ "unrecognized artefact: "
+ match.group(2));
}
return super.invokeMethod(methodName, args);
}
/**
* Override property access and hit on xxxxClasses to return class arrays of artefacts.
*
* @param propertyName The name of the property, if it ends in *Classes then match and invoke
* internal ArtefactHandler
* @return All the artifacts or delegate to super.getProperty
*/
@Override
public Object getProperty(String propertyName) {
// look for getXXXXClasses
final Matcher match = GETCLASSESPROP_PATTERN.matcher(propertyName);
// find match
match.find();
if (match.matches()) {
String artefactName = GrailsNameUtils.getClassNameRepresentation(match.group(1));
if (artefactHandlersByName.containsKey(artefactName)) {
return getArtefacts(artefactName);
}
}
return super.getProperty(propertyName);
}
public void initialise() {
// get all the classes that were loaded
if (log.isDebugEnabled()) {
log.debug("loaded classes: [" + loadedClasses + "]");
}
Class<?>[] classes = populateAllClasses();
configureLoadedClasses(classes);
initialised = true;
}
public boolean isInitialised() {
return initialised;
}
public Metadata getMetadata() {
return applicationMeta;
}
public GrailsClass getArtefactByLogicalPropertyName(String type, String logicalName) {
ArtefactInfo info = getArtefactInfo(type);
return info == null ? null : info.getGrailsClassByLogicalPropertyName(logicalName);
}
public void addArtefact(@SuppressWarnings("rawtypes") Class artefact) {
for (ArtefactHandler artefactHandler : artefactHandlers) {
if (artefactHandler.isArtefact(artefact)) {
addArtefact(artefactHandler.getType(), artefact);
}
}
}
public boolean isWarDeployed() {
return getMetadata().isWarDeployed();
}
public void setBeanClassLoader(ClassLoader classLoader) {
// do nothing
}
public void addOverridableArtefact(@SuppressWarnings("rawtypes") Class artefact) {
for (ArtefactHandler artefactHandler : artefactHandlers) {
if (artefactHandler.isArtefact(artefact)) {
addOverridableArtefact(artefactHandler.getType(), artefact);
}
}
}
public void configChanged() {
ConfigObject co = getConfig();
// not thread safe
flatConfig = co.flatten();
final ArtefactHandler[] handlers = getArtefactHandlers();
for (ArtefactHandler handler : handlers) {
if (handler instanceof GrailsConfigurationAware) {
((GrailsConfigurationAware) handler).setConfiguration(co);
}
}
}
/**
* Adds an artefact of the given type for the given Class.
*
* @param artefactType The type of the artefact as defined by a ArtefactHandler instance
* @param artefactClass A Class instance that matches the type defined by the ArtefactHandler
* @return The GrailsClass if successful or null if it couldn't be added
* @throws GrailsConfigurationException If the specified Class is not the same as the type defined
* by the ArtefactHandler
* @see org.codehaus.groovy.grails.commons.ArtefactHandler
*/
public GrailsClass addOverridableArtefact(
String artefactType, @SuppressWarnings("rawtypes") Class artefactClass) {
return addArtefact(artefactType, artefactClass, true);
}
protected GrailsClass addArtefact(
String artefactType, Class<?> artefactClass, boolean overrideable) {
ArtefactHandler handler = artefactHandlersByName.get(artefactType);
if (handler.isArtefact(artefactClass)) {
GrailsClass artefactGrailsClass = handler.newArtefactClass(artefactClass);
artefactGrailsClass.setGrailsApplication(this);
// Store the GrailsClass in cache
DefaultArtefactInfo info = getArtefactInfo(artefactType, true);
if (overrideable) {
info.addOverridableGrailsClass(artefactGrailsClass);
} else {
info.addGrailsClass(artefactGrailsClass);
}
info.updateComplete();
addToLoaded(artefactClass);
if (isInitialised()) {
initializeArtefacts(artefactType);
}
return artefactGrailsClass;
}
throw new GrailsConfigurationException(
"Cannot add "
+ artefactType
+ " class ["
+ artefactClass
+ "]. It is not a "
+ artefactType
+ "!");
}
}
/**
* Modifies the application's metadata, as stored in the "application.properties" file. If it
* doesn't exist, the file is created.
*/
public void updateMetadata(@SuppressWarnings("rawtypes") Map entries) {
@SuppressWarnings("hiding")
Metadata metadata = Metadata.getCurrent();
updateMetadata(metadata, entries);
}
public String getAppGrailsVersion() {
return metadata.getGrailsVersion();
}
public String getGrailsAppVersion() {
return metadata.getApplicationVersion();
}
