public void writeObject(PemObjectGenerator objGen) throws IOException {
PemObject obj = objGen.generate();
writePreEncapsulationBoundary(obj.getType());
if (!obj.getHeaders().isEmpty()) {
for (Iterator it = obj.getHeaders().iterator(); it.hasNext(); ) {
PemHeader hdr = (PemHeader) it.next();
this.write(hdr.getName());
this.write(": ");
this.write(hdr.getValue());
this.newLine();
}
this.newLine();
}
writeEncoded(obj.getContent());
writePostEncapsulationBoundary(obj.getType());
}
/**
* Return the number of bytes or characters required to contain the passed in object if it is PEM
* encoded.
*
* @param obj pem object to be output
* @return an estimate of the number of bytes
*/
public int getOutputSize(PemObject obj) {
// BEGIN and END boundaries.
int size = (2 * (obj.getType().length() + 10 + nlLength)) + 6 + 4;
if (!obj.getHeaders().isEmpty()) {
for (Iterator it = obj.getHeaders().iterator(); it.hasNext(); ) {
PemHeader hdr = (PemHeader) it.next();
size += hdr.getName().length() + ": ".length() + hdr.getValue().length() + nlLength;
}
size += nlLength;
}
// base64 encoding
int dataLen = ((obj.getContent().length + 2) / 3) * 4;
size += dataLen + (((dataLen + LINE_LENGTH - 1) / LINE_LENGTH) * nlLength);
return size;
}