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/*
* Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.util.*;
import java.util.concurrent.*;
import java.util.logging.*;
import java.io.*;
import java.net.*;
import java.security.*;
import javax.net.ssl.*;
import com.sun.net.httpserver.*;
/**
* Implements a basic static EchoHandler for an HTTP server
*/
public class EchoHandler implements HttpHandler {
byte[] read(InputStream is) throws IOException {
byte[] buf = new byte[1024];
byte[] result = new byte[0];
while (true) {
int n = is.read(buf);
if (n > 0) {
byte[] b1 = new byte[result.length + n];
System.arraycopy(result, 0, b1, 0, result.length);
System.arraycopy(buf, 0, b1, result.length, n);
result = b1;
} else if (n == -1) {
return result;
}
}
}
public void handle (HttpExchange t)
throws IOException
{
InputStream is = t.getRequestBody();
Headers map = t.getRequestHeaders();
String fixedrequest = map.getFirst ("XFixed");
// return the number of bytes received (no echo)
String summary = map.getFirst ("XSummary");
if (fixedrequest != null && summary == null) {
byte[] in = read(is);
t.sendResponseHeaders(200, in.length);
OutputStream os = t.getResponseBody();
os.write(in);
close(t, os);
close(t, is);
} else {
OutputStream os = t.getResponseBody();
byte[] buf = new byte[64 * 1024];
t.sendResponseHeaders(200, 0);
int n, count=0;;
while ((n = is.read(buf)) != -1) {
if (summary == null) {
os.write(buf, 0, n);
}
count += n;
}
if (summary != null) {
String s = Integer.toString(count);
os.write(s.getBytes());
}
close(t, os);
close(t, is);
}
}
protected void close(OutputStream os) throws IOException {
os.close();
}
protected void close(InputStream is) throws IOException {
is.close();
}
protected void close(HttpExchange t, OutputStream os) throws IOException {
close(os);
}
protected void close(HttpExchange t, InputStream is) throws IOException {
close(is);
}
}
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