CryptoPolicyParser() 
{
        grantEntries = new Vector();
}

Creates a CryptoPolicyParser object.

 CryptoPermission[] getPermissions() 
{
        Vector result = new Vector();
        Enumeration grantEnum = grantEntries.elements();
        while (grantEnum.hasMoreElements()) {
            GrantEntry ge = (GrantEntry)grantEnum.nextElement();
            Enumeration permEnum = ge.permissionElements();
            while (permEnum.hasMoreElements()) {
                CryptoPermissionEntry pe =
                    (CryptoPermissionEntry)permEnum.nextElement();
                if (pe.cryptoPermission.equals(
                                        "javax.crypto.CryptoAllPermission")) {
                    result.addElement(CryptoAllPermission.INSTANCE);
                } else {
                    if (pe.checkParam) {
                        result.addElement(new CryptoPermission(
                                                pe.alg,
                                                pe.maxKeySize,
                                                pe.algParamSpec,
                                                pe.exemptionMechanism));
                    } else {
                        result.addElement(new CryptoPermission(
                                                pe.alg,
                                                pe.maxKeySize,
                                                pe.exemptionMechanism));
                    }
                }
            }
        }
        CryptoPermission[] ret = new CryptoPermission[result.size()];
        result.copyInto(ret);
        return ret;
}

  void read(Reader policy) throws ParsingException, IOException 
{
        if (!(policy instanceof BufferedReader)) {
            policy = new BufferedReader(policy);
        }
        /*
         * Configure the stream tokenizer:
         *      Recognize strings between "..."
         *      Don't convert words to lowercase
         *      Recognize both C-style and C++-style comments
         *      Treat end-of-line as white space, not as a token
         */
        st = new StreamTokenizer(policy);
        st.resetSyntax();
        st.wordChars('a', 'z');
        st.wordChars('A', 'Z');
        st.wordChars('.', '.');
        st.wordChars('0', '9');
        st.wordChars('_', '_');
        st.wordChars('$', '$');
        st.wordChars(128 + 32, 255);
        st.whitespaceChars(0, ' ');
        st.commentChar('/');
        st.quoteChar('\'');
        st.quoteChar('"');
        st.lowerCaseMode(false);
        st.ordinaryChar('/');
        st.slashSlashComments(true);
        st.slashStarComments(true);
        st.parseNumbers();
        /*
         * The crypto jurisdiction policy must be consistent. The
         * following hashtable is used for checking consistency.
         */
        Hashtable processedPermissions = null;
        /*
         * The main parsing loop.  The loop is executed once for each entry
         * in the policy file. The entries are delimited by semicolons. Once
         * we've read in the information for an entry, go ahead and try to
         * add it to the grantEntries.
         */
        lookahead = st.nextToken();
        while (lookahead != StreamTokenizer.TT_EOF) {
            if (peek("grant")) {
                GrantEntry ge = parseGrantEntry(processedPermissions);
                if (ge != null)
                    grantEntries.addElement(ge);
            } else {
                throw new ParsingException(st.lineno(), "expected grant " +
                                           "statement");
            }
            match(";");
        }
}

Reads a policy configuration using a Reader object.