net.hasor.web.binder.InvokerWebApiBinderCreator Maven / Gradle / Ivy
/*
* Copyright 2008-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.hasor.web.binder;
import net.hasor.core.ApiBinder;
import net.hasor.core.Environment;
import net.hasor.core.binder.ApiBinderCreator;
import net.hasor.web.MimeType;
import net.hasor.web.ServletVersion;
import net.hasor.web.WebApiBinder;
import net.hasor.web.mime.MimeTypeSupplier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.servlet.ServletContext;
import java.io.IOException;
/**
* 渲染插件，的ApiBinder扩展器。
* 让 {@link ApiBinder} 支持 {@link WebApiBinder} 类型
* @version : 2016-12-16
* @author 赵永春 ([email protected])
*/
public class InvokerWebApiBinderCreator implements ApiBinderCreator {
protected Logger logger = LoggerFactory.getLogger(getClass());
@Override
public WebApiBinder createBinder(final ApiBinder apiBinder) throws IOException {
Environment environment = apiBinder.getEnvironment();
Object context = environment.getContext();
//
try {
apiBinder.getEnvironment().getClassLoader().loadClass("javax.servlet.ServletContext");
} catch (ClassNotFoundException e) {
return null;
}
//
if (!(context instanceof ServletContext)) {
return null;
}
return newBinder(apiBinder);
}
//
public static WebApiBinder newBinder(ApiBinder apiBinder) throws IOException {
Environment environment = apiBinder.getEnvironment();
Object context = environment.getContext();
if (!(context instanceof ServletContext)) {
return null;
}
ServletContext servletContext = (ServletContext) context;
//
// .MimeType
MimeTypeSupplier mimeTypeContext = new MimeTypeSupplier(servletContext);
mimeTypeContext.loadResource("/META-INF/mime.types.xml");
mimeTypeContext.loadResource("mime.types.xml");
apiBinder.bindType(MimeType.class, mimeTypeContext);
//
//.ServletVersion
ServletVersion curVersion = ServletVersion.V2_3;
try {
environment.getClassLoader().loadClass("javax.servlet.ServletRequestListener");
curVersion = ServletVersion.V2_4;
servletContext.getContextPath();
curVersion = ServletVersion.V2_5;
servletContext.getEffectiveMajorVersion();
curVersion = ServletVersion.V3_0;
servletContext.getVirtualServerName();
curVersion = ServletVersion.V3_1;
} catch (Throwable e) { /* 忽略 */ }
//
// .Binder
apiBinder.bindType(ServletContext.class).toInstance(servletContext);
apiBinder.bindType(ServletVersion.class).toInstance(curVersion);
//
return new InvokerWebApiBinder(curVersion, mimeTypeContext, apiBinder);
}
}