Example usage for org.bouncycastle.bcpg ArmoredInputStream getArmorHeaders

Introduction

In this page you can find the example usage for org.bouncycastle.bcpg ArmoredInputStream getArmorHeaders.

Prototype

public String[] getArmorHeaders() 

Source Link

Document

Return the armor headers (the lines after the armor header line),

Usage

From source file:org.sufficientlysecure.keychain.pgp.PgpDecryptVerifyOperation.java

License:Open Source License

private ArmorHeaders parseArmorHeaders(InputStream in, OperationLog log, int indent) {
    ArmorHeaders armorHeaders = new ArmorHeaders();

    // If the input stream is armored, and there is a charset specified, take a note for later
    // https://tools.ietf.org/html/rfc4880#page56
    if (in instanceof ArmoredInputStream) {
        ArmoredInputStream aIn = (ArmoredInputStream) in;
        if (aIn.getArmorHeaders() != null) {
            for (String header : aIn.getArmorHeaders()) {
                String[] pieces = header.split(":", 2);
                if (pieces.length != 2 || TextUtils.isEmpty(pieces[0]) || TextUtils.isEmpty(pieces[1])) {
                    continue;
                }/*w w w . j  a v a2 s  . c o  m*/

                switch (pieces[0].toLowerCase()) {
                case "charset": {
                    armorHeaders.charset = pieces[1].trim();
                    break;
                }
                case "backupversion": {
                    try {
                        armorHeaders.backupVersion = Integer.valueOf(pieces[1].trim());
                    } catch (NumberFormatException e) {
                        continue;
                    }
                    break;
                }
                default: {
                    // continue;
                }
                }
            }
            if (armorHeaders.charset != null) {
                log.add(LogType.MSG_DC_CHARSET, indent, armorHeaders.charset);
            }
            if (armorHeaders.backupVersion != null) {
                log.add(LogType.MSG_DC_BACKUP_VERSION, indent, Integer.toString(armorHeaders.backupVersion));
            }
        }
    }

    return armorHeaders;
}

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