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HttpProtocol.java
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HttpProtocol.java
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package org.rapidoid.http;
/*
* #%L
* rapidoid-http
* %%
* Copyright (C) 2014 - 2015 Nikolche Mihajlovski
* %%
* 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.
* #L%
*/
import java.io.File;
import java.nio.ByteBuffer;
import org.rapidoid.inject.IoC;
import org.rapidoid.log.Log;
import org.rapidoid.net.abstracts.Channel;
import org.rapidoid.net.impl.ExchangeProtocol;
import org.rapidoid.util.AppCtx;
import org.rapidoid.util.U;
import org.rapidoid.util.UTILS;
public class HttpProtocol extends ExchangeProtocol<HttpExchangeImpl> {
private final HttpParser parser = IoC.singleton(HttpParser.class);
private final Router router;
private final HttpResponses responses;
private HttpSession session;
private HTTPInterceptor interceptor;
public HttpProtocol(Router router) {
super(HttpExchangeImpl.class);
this.router = router;
this.responses = new HttpResponses(true, true);
}
@Override
protected void process(Channel ctx, HttpExchangeImpl x) {
U.notNull(responses, "responses");
U.notNull(session, "session");
U.notNull(router, "router");
if (ctx.isInitial()) {
return;
}
parser.parse(x.input(), x.isGet, x.isKeepAlive, x.body, x.verb, x.uri, x.path, x.query, x.protocol, x.headers,
x.helper());
U.rteIf(x.verb.isEmpty() || x.uri.isEmpty(), "Invalid HTTP request!");
U.rteIf(x.isGet.value && !x.body.isEmpty(), "Body is NOT allowed in HTTP GET requests!");
processRequest(x);
}
private void processRequest(HttpExchangeImpl x) {
x.init(responses, session, router);
AppCtx.setUser(x.user());
try {
try {
if (interceptor != null) {
interceptor.intercept(x);
} else {
x.run();
}
} catch (Throwable e) {
handleError(x, e);
}
if (x.hasError()) {
handleError(x, x.getError());
} else if (!x.isAsync()) {
x.completeResponse();
}
} finally {
AppCtx.delUser();
}
}
private void handleError(HttpExchangeImpl x, Throwable e) {
Throwable cause = UTILS.rootCause(e);
if (cause instanceof HttpExchangeException) {
// redirect, notFound etc.
x.completeResponse();
} else {
Log.error("Internal server error!", "request", x, "error", cause);
x.errorResponse(e);
x.completeResponse();
}
}
public static void processResponse(HttpExchange xch, Object res) {
HttpExchangeImpl x = (HttpExchangeImpl) xch;
if (res != null) {
if (res instanceof byte[]) {
if (!x.hasContentType()) {
x.binary();
}
x.write((byte[]) res);
} else if (res instanceof String) {
if (!x.hasContentType()) {
x.json();
}
x.write((String) res);
} else if (res instanceof ByteBuffer) {
if (!x.hasContentType()) {
x.binary();
}
x.write((ByteBuffer) res);
} else if (res instanceof File) {
File file = (File) res;
x.sendFile(file);
} else if (res.getClass().getSimpleName().endsWith("Page")) {
x.html().write(res.toString());
} else if (!(res instanceof HttpExchangeImpl)) {
if (!x.hasContentType()) {
x.json();
}
x.writeJSON(res);
}
} else {
if (!x.hasContentType()) {
x.html();
}
throw x.notFound();
}
}
public Router getRouter() {
return router;
}
public void setSession(HttpSession session) {
this.session = session;
}
public void setInterceptor(HTTPInterceptor interceptor) {
this.interceptor = interceptor;
}
public HTTPInterceptor getInterceptor() {
return interceptor;
}
}