no.sb1.troxy.http.common.Packet Maven / Gradle / Ivy
package no.sb1.troxy.http.common;
/**
* Common utility functions for Request and Response.
*/
public abstract class Packet {
protected String discoverCharset(String header) {
int start = header!=null ? header.indexOf("charset=") : -1;
if (start >= 0) {
start += 8;
int end = header.indexOf(";", start);
int pos = header.indexOf(" ", start);
if (end == -1 || (pos != -1 && pos < end))
end = pos;
pos = header.indexOf("\n", start);
if (end == -1 || (pos != -1 && pos < end))
end = pos;
if (end == -1)
end = header.length();
if (header.charAt(start) == '"' && header.charAt(end - 1) == '"') {
++start;
--end;
}
return header.substring(start, end);
}
return "iso-8859-1";
}
}