public void addHeader(String key, String val) {
if (val != null && key.equals("content-type")) {
int idx = val.indexOf(';');
if (idx == -1) return;
String enc = val.substring(idx + 1).trim();
idx = enc.indexOf('=');
if (idx == -1) return;
enc = enc.substring(idx + 1);
writer.setEncoding(enc);
}
}
