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package play;
import java.lang.annotation.Annotation;
import com.google.gson.JsonObject;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.HashMap;
import play.classloading.ApplicationClasses.ApplicationClass;
import play.data.binding.RootParamNode;
import play.db.Model;
import play.mvc.Http.Request;
import play.mvc.Http.Response;
import play.mvc.Router.Route;
import play.mvc.results.Result;
import play.templates.BaseTemplate;
import play.templates.Template;
import play.test.BaseTest;
import play.test.TestEngine.TestResults;
import play.vfs.VirtualFile;
/**
* A framework plugin
*/
public abstract class PlayPlugin implements Comparable {
/**
* Plugin priority (0 for highest priority)
*/
public int index;
/**
* Called at plugin loading
*/
public void onLoad() {
}
public boolean compileSources() {
return false;
}
/**
* Run a test class
*/
public TestResults runTest(Class clazz) {
return null;
}
/**
* Use method using RootParamNode instead
* @return
*/
@Deprecated
public Object bind(String name, Class clazz, Type type, Annotation[] annotations, Map params) {
return null;
}
/**
* Called when play need to bind a Java object from HTTP params.
*
* When overriding this method, do not call super impl.. super impl is calling old bind method
* to be backward compatible.
*/
public Object bind( RootParamNode rootParamNode, String name, Class clazz, Type type, Annotation[] annotations) {
// call old method to be backward compatible
return bind(name, clazz, type, annotations, rootParamNode.originalParams);
}
/**
* Use bindBean instead
*/
@Deprecated
public Object bind(String name, Object o, Map params) {
return null;
}
/**
* Called when play need to bind an existing Java object from HTTP params.
* When overriding this method, DO NOT call the super method, since its default impl is to
* call the old bind method to be backward compatible.
*/
public Object bindBean(RootParamNode rootParamNode, String name, Object bean) {
// call old method to be backward compatible.
return bind(name, bean, rootParamNode.originalParams);
}
public Map unBind(Object src, String name) {
return null;
}
/**
* Translate the given key for the given locale and arguments.
* If null is returned, Play's normal message translation mechanism will be
* used.
*/
public String getMessage(String locale, Object key, Object... args) {
return null;
}
/**
* Return the plugin status
*/
public String getStatus() {
return null;
}
/**
* Return the plugin status in JSON format
*/
public JsonObject getJsonStatus() {
return null;
}
/**
* Enhance this class
* @param applicationClass
* @throws java.lang.Exception
*/
public void enhance(ApplicationClass applicationClass) throws Exception {
}
/**
* This hook is not plugged, don't implement it
* @param template
*/
@Deprecated
public void onTemplateCompilation(Template template) {
}
/**
* Give a chance to this plugin to fully manage this request
* @param request The Play request
* @param response The Play response
* @return true if this plugin has managed this request
*/
public boolean rawInvocation(Request request, Response response) throws Exception {
return false;
}
/**
* Let a chance to this plugin to manage a static resource
* @param request The Play request
* @param response The Play response
* @return true if this plugin has managed this request
*/
public boolean serveStatic(VirtualFile file, Request request, Response response) {
return false;
}
public void beforeDetectingChanges() {
}
public Template loadTemplate(VirtualFile file) {
return null;
}
/**
* It's time for the plugin to detect changes.
* Throw an exception is the application must be reloaded.
*/
public void detectChange() {
}
/**
* It's time for the plugin to detect changes.
* Throw an exception is the application must be reloaded.
*/
public boolean detectClassesChange() {
return false;
}
/**
* Called at application start (and at each reloading)
* Time to start stateful things.
*/
public void onApplicationStart() {
}
/**
* Called after the application start.
*/
public void afterApplicationStart() {
}
/**
* Called at application stop (and before each reloading)
* Time to shutdown stateful things.
*/
public void onApplicationStop() {
}
/**
* Called before a Play! invocation.
* Time to prepare request specific things.
*/
public void beforeInvocation() {
}
/**
* Called after an invocation.
* (unless an excetion has been thrown).
* Time to close request specific things.
*/
public void afterInvocation() {
}
/**
* Called if an exception occured during the invocation.
* @param e The catched exception.
*/
public void onInvocationException(Throwable e) {
}
/**
* Called at the end of the invocation.
* (even if an exception occured).
* Time to close request specific things.
*/
public void invocationFinally() {
}
/**
* Called before an 'action' invocation,
* ie an HTTP request processing.
*/
public void beforeActionInvocation(Method actionMethod) {
}
/**
* Called when the action method has thrown a result.
* @param result The result object for the request.
*/
public void onActionInvocationResult(Result result) {
}
public void onInvocationSuccess() {
}
/**
* Called when the request has been routed.
* @param route The route selected.
*/
public void onRequestRouting(Route route) {
}
/**
* Called at the end of the action invocation.
*/
public void afterActionInvocation() {
}
/**
* Called when the application.conf has been read.
*/
public void onConfigurationRead() {
}
/**
* Called after routes loading.
*/
public void onRoutesLoaded() {
}
/**
* Event may be sent by plugins or other components
* @param message convention: pluginClassShortName.message
* @param context depends on the plugin
*/
public void onEvent(String message, Object context) {
}
public List onClassesChange(List modified) {
return new ArrayList();
}
public List addTemplateExtensions() {
return new ArrayList();
}
/**
* Override to provide additional mime types from your plugin. These mimetypes get priority over
* the default framework mimetypes but not over the application's configuration.
* @return a Map from extensions (without dot) to mimetypes
*/
public Map addMimeTypes() {
return new HashMap();
}
/**
* Let a chance to the plugin to compile it owns classes.
* Must be added to the mutable list.
*/
@Deprecated
public void compileAll(List classes) {
}
/**
* Let some plugins route themself
* @param request
*/
public void routeRequest(Request request) {
}
public Model.Factory modelFactory(Class modelClass) {
return null;
}
public void afterFixtureLoad() {
}
/**
* Inter-plugin communication.
*/
public static void postEvent(String message, Object context) {
Play.pluginCollection.onEvent(message, context);
}
public void onApplicationReady() {
}
// ~~~~~
public int compareTo(PlayPlugin o) {
int res = index < o.index ? -1 : (index == o.index ? 0 : 1);
if (res!=0) {
return res;
}
// index is equal in both plugins.
// sort on classtype to get consistent order
res = this.getClass().getName().compareTo(o.getClass().getName());
if (res != 0 ) {
// classnames where different
return res;
}
// identical classnames.
// sort on instance to get consistent order.
// We only return 0 (equal) if both identityHashCode are identical
// which is only the case if both this and other are the same object instance.
// This is consistent with equals() when no special equals-method is implemented.
int thisHashCode = System.identityHashCode(this);
int otherHashCode = System.identityHashCode(o);
return (thisHashCode < otherHashCode ? -1 : (thisHashCode == otherHashCode ? 0 : 1));
}
public String overrideTemplateSource(BaseTemplate template, String source) {
return null;
}
public Object willBeValidated(Object value) {
return null;
}
}
