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Liferay Document Library Opener OneDrive Web
/*
* Copyright (C) 2013 Square, Inc.
*
* 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 okhttp3.internal.http;
import java.io.IOException;
import java.net.ProtocolException;
import okhttp3.Protocol;
import okhttp3.Response;
/** An HTTP response status line like "HTTP/1.1 200 OK". */
public final class StatusLine {
/** Numeric status code, 307: Temporary Redirect. */
public static final int HTTP_TEMP_REDIRECT = 307;
public static final int HTTP_PERM_REDIRECT = 308;
public static final int HTTP_CONTINUE = 100;
public final Protocol protocol;
public final int code;
public final String message;
public StatusLine(Protocol protocol, int code, String message) {
this.protocol = protocol;
this.code = code;
this.message = message;
}
public static StatusLine get(Response response) {
return new StatusLine(response.protocol(), response.code(), response.message());
}
public static StatusLine parse(String statusLine) throws IOException {
// H T T P / 1 . 1 2 0 0 T e m p o r a r y R e d i r e c t
// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0
// Parse protocol like "HTTP/1.1" followed by a space.
int codeStart;
Protocol protocol;
if (statusLine.startsWith("HTTP/1.")) {
if (statusLine.length() < 9 || statusLine.charAt(8) != ' ') {
throw new ProtocolException("Unexpected status line: " + statusLine);
}
int httpMinorVersion = statusLine.charAt(7) - '0';
codeStart = 9;
if (httpMinorVersion == 0) {
protocol = Protocol.HTTP_1_0;
} else if (httpMinorVersion == 1) {
protocol = Protocol.HTTP_1_1;
} else {
throw new ProtocolException("Unexpected status line: " + statusLine);
}
} else if (statusLine.startsWith("ICY ")) {
// Shoutcast uses ICY instead of "HTTP/1.0".
protocol = Protocol.HTTP_1_0;
codeStart = 4;
} else {
throw new ProtocolException("Unexpected status line: " + statusLine);
}
// Parse response code like "200". Always 3 digits.
if (statusLine.length() < codeStart + 3) {
throw new ProtocolException("Unexpected status line: " + statusLine);
}
int code;
try {
code = Integer.parseInt(statusLine.substring(codeStart, codeStart + 3));
} catch (NumberFormatException e) {
throw new ProtocolException("Unexpected status line: " + statusLine);
}
// Parse an optional response message like "OK" or "Not Modified". If it
// exists, it is separated from the response code by a space.
String message = "";
if (statusLine.length() > codeStart + 3) {
if (statusLine.charAt(codeStart + 3) != ' ') {
throw new ProtocolException("Unexpected status line: " + statusLine);
}
message = statusLine.substring(codeStart + 4);
}
return new StatusLine(protocol, code, message);
}
@Override public String toString() {
StringBuilder result = new StringBuilder();
result.append(protocol == Protocol.HTTP_1_0 ? "HTTP/1.0" : "HTTP/1.1");
result.append(' ').append(code);
if (message != null) {
result.append(' ').append(message);
}
return result.toString();
}
}