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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program 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 for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2013 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package org.dogtagpki.tps;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;
import org.dogtagpki.tps.msg.TPSMessage;
import com.netscape.certsrv.apps.CMS;
/**
* @author Endi S. Dewata <edewata@redhat.com>
*/
public class TPSConnection {
public InputStream in;
public PrintStream out;
public boolean chunked;
public TPSConnection(InputStream in, OutputStream out) {
this(in, out, false);
}
public TPSConnection(InputStream in, OutputStream out, boolean chunked) {
this.in = in;
this.out = new PrintStream(out);
this.chunked = chunked;
}
public TPSMessage read() throws IOException {
CMS.debug("TPSMessage read()");
StringBuilder sb = new StringBuilder();
int b;
// read the first parameter
while ((b = in.read()) >= 0) {
char c = (char) b;
if (c == '&')
break;
sb.append(c);
}
if (b < 0)
throw new IOException("Unexpected end of stream");
// parse message size
String nvp = sb.toString();
String[] s = nvp.split("=");
int size = Integer.parseInt(s[1]);
sb.append('&');
// read the rest of message
for (int i = 0; i < size; i++) {
b = in.read();
if (b < 0)
throw new IOException("Unexpected end of stream");
char c = (char) b;
sb.append(c);
}
CMS.debug("TPSMessage.read: Reading: " + sb.toString());
// parse the entire message
return TPSMessage.createMessage(sb.toString());
}
public void write(TPSMessage message) throws IOException {
String s = message.encode();
CMS.debug("TPSMessage.write: Writing: " + s);
// send message
out.print(s);
// We don't have to send any specific chunk format here
// The output stream detects chunked encoding and sends
// the correct output to the other end.
out.flush();
}
}
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