package com.britesnow.snow.web;
import java.lang.reflect.Method;
import javax.annotation.Nullable;
import javax.inject.Singleton;
import com.britesnow.snow.util.PackageScanner;
import com.britesnow.snow.web.binding.ApplicationPackageBase;
import com.britesnow.snow.web.binding.WebClasses;
import com.britesnow.snow.web.exception.annotation.WebExceptionCatcher;
import com.britesnow.snow.web.handler.annotation.FreemarkerMethodHandler;
import com.britesnow.snow.web.handler.annotation.WebActionHandler;
import com.britesnow.snow.web.handler.annotation.WebModelHandler;
import com.britesnow.snow.web.handler.annotation.WebResourceHandler;
import com.britesnow.snow.web.handler.annotation.FreemarkerDirectiveHandler;
import com.britesnow.snow.web.hook.annotation.WebApplicationHook;
import com.britesnow.snow.web.hook.annotation.WebRequestHook;
import com.britesnow.snow.web.param.resolver.annotation.WebParamResolver;
import com.britesnow.snow.web.path.DefaultFramePathsResolver;
import com.britesnow.snow.web.path.DefaultResourceFileLocator;
import com.britesnow.snow.web.path.DefaultResourcePathResolver;
import com.britesnow.snow.web.path.FramePathsResolver;
import com.britesnow.snow.web.path.ResourceFileLocator;
import com.britesnow.snow.web.path.ResourcePathResolver;
import com.britesnow.snow.web.renderer.JsonLibJsonRenderer;
import com.britesnow.snow.web.renderer.JsonRenderer;
import com.britesnow.snow.web.rest.ContentTypeResolver;
import com.britesnow.snow.web.rest.DefaultContentTypeResolver;
import com.britesnow.snow.web.rest.annotation.WebDelete;
import com.britesnow.snow.web.rest.annotation.WebGet;
import com.britesnow.snow.web.rest.annotation.WebPost;
import com.britesnow.snow.web.rest.annotation.WebPut;
import com.britesnow.snow.web.rest.annotation.WebSerializer;
import com.google.inject.AbstractModule;
import com.google.inject.Provides;
import com.google.common.base.Predicate;
public class DefaultApplicationModule extends AbstractModule {
private String applicationPackageBase;
public DefaultApplicationModule(String applicationPachageBase) {
this.applicationPackageBase = applicationPachageBase;
}
@Override
protected void configure() {
bind(FramePathsResolver.class).to(DefaultFramePathsResolver.class);
bind(ResourcePathResolver.class).to(DefaultResourcePathResolver.class);
bind(ResourceFileLocator.class).to(DefaultResourceFileLocator.class);
bind(ContentTypeResolver.class).to(DefaultContentTypeResolver.class);
bind(JsonRenderer.class).to(JsonLibJsonRenderer.class);
if (applicationPackageBase != null) {
bind(String.class).annotatedWith(ApplicationPackageBase.class).toInstance(applicationPackageBase);
}
}
@Singleton
@Provides
@WebClasses
public Class[] providesWebClasses() {
if (applicationPackageBase != null) {
try {
Class[] webClasses = new PackageScanner(applicationPackageBase).findClasses(webClassPredicate);
return webClasses;
} catch (Throwable e1) {
throw new RuntimeException("Cannot load automatically the @WebClasses in package " + applicationPackageBase, e1);
}
} else {
return new Class[0];
}
}
private static Predicate<Class> webClassPredicate = new Predicate<Class>() {
@Override
public boolean apply(@Nullable Class cls) {
for (Method method : cls.getDeclaredMethods()) {
if (method.getAnnotation(WebActionHandler.class) != null || method.getAnnotation(WebResourceHandler.class) != null
|| method.getAnnotation(WebModelHandler.class) != null
|| method.getAnnotation(WebParamResolver.class) != null
|| method.getAnnotation(WebExceptionCatcher.class) != null
|| method.getAnnotation(WebApplicationHook.class) != null
|| method.getAnnotation(WebRequestHook.class) != null
|| method.getAnnotation(FreemarkerDirectiveHandler.class) != null
|| method.getAnnotation(FreemarkerMethodHandler.class) != null
|| method.getAnnotation(WebGet.class) != null
|| method.getAnnotation(WebPost.class) != null
|| method.getAnnotation(WebPut.class) != null
|| method.getAnnotation(WebDelete.class) != null
|| method.getAnnotation(WebSerializer.class) != null){
return true;
}
}
return false;
}
};
}