io.netty.handler.codec.http.HttpMessageUtil Maven / Gradle / Ivy
/*
* Copyright 2014 The Netty Project
*
* The Netty Project licenses this file to you 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:
*
* https://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 io.netty.handler.codec.http;
import io.netty.util.internal.StringUtil;
import java.util.Map;
/**
* Provides some utility methods for HTTP message implementations.
*/
final class HttpMessageUtil {
static StringBuilder appendRequest(StringBuilder buf, HttpRequest req) {
appendCommon(buf, req);
appendInitialLine(buf, req);
appendHeaders(buf, req.headers());
removeLastNewLine(buf);
return buf;
}
static StringBuilder appendResponse(StringBuilder buf, HttpResponse res) {
appendCommon(buf, res);
appendInitialLine(buf, res);
appendHeaders(buf, res.headers());
removeLastNewLine(buf);
return buf;
}
private static void appendCommon(StringBuilder buf, HttpMessage msg) {
buf.append(StringUtil.simpleClassName(msg));
buf.append("(decodeResult: ");
buf.append(msg.decoderResult());
buf.append(", version: ");
buf.append(msg.protocolVersion());
buf.append(')');
buf.append(StringUtil.NEWLINE);
}
static StringBuilder appendFullRequest(StringBuilder buf, FullHttpRequest req) {
appendFullCommon(buf, req);
appendInitialLine(buf, req);
appendHeaders(buf, req.headers());
appendHeaders(buf, req.trailingHeaders());
removeLastNewLine(buf);
return buf;
}
static StringBuilder appendFullResponse(StringBuilder buf, FullHttpResponse res) {
appendFullCommon(buf, res);
appendInitialLine(buf, res);
appendHeaders(buf, res.headers());
appendHeaders(buf, res.trailingHeaders());
removeLastNewLine(buf);
return buf;
}
private static void appendFullCommon(StringBuilder buf, FullHttpMessage msg) {
buf.append(StringUtil.simpleClassName(msg));
buf.append("(decodeResult: ");
buf.append(msg.decoderResult());
buf.append(", version: ");
buf.append(msg.protocolVersion());
buf.append(", content: ");
buf.append(msg.content());
buf.append(')');
buf.append(StringUtil.NEWLINE);
}
private static void appendInitialLine(StringBuilder buf, HttpRequest req) {
buf.append(req.method());
buf.append(' ');
buf.append(req.uri());
buf.append(' ');
buf.append(req.protocolVersion());
buf.append(StringUtil.NEWLINE);
}
private static void appendInitialLine(StringBuilder buf, HttpResponse res) {
buf.append(res.protocolVersion());
buf.append(' ');
buf.append(res.status());
buf.append(StringUtil.NEWLINE);
}
private static void appendHeaders(StringBuilder buf, HttpHeaders headers) {
for (Map.Entry e: headers) {
buf.append(e.getKey());
buf.append(": ");
buf.append(e.getValue());
buf.append(StringUtil.NEWLINE);
}
}
private static void removeLastNewLine(StringBuilder buf) {
buf.setLength(buf.length() - StringUtil.NEWLINE.length());
}
private HttpMessageUtil() { }
}