public synchronized void addMailcap()

in activation-api-1.1/src/main/java/javax/activation/MailcapCommandMap.java [153:254]
71 lines of code
20 McCabe index (conditional complexity)

    public synchronized void addMailcap(String mail_cap) {
        int index = 0;
        // skip leading whitespace
        index = skipSpace(mail_cap, index);
        if (index == mail_cap.length() || mail_cap.charAt(index) == '#') {
            return;
        }

        // get primary type
        int start = index;
        index = getToken(mail_cap, index);
        if (start == index) {
            return;
        }
        String mimeType = mail_cap.substring(start, index);

        // skip any spaces after the primary type
        index = skipSpace(mail_cap, index);
        if (index == mail_cap.length() || mail_cap.charAt(index) == '#') {
            return;
        }

        // get sub-type
        if (mail_cap.charAt(index) == '/') {
            index = skipSpace(mail_cap, ++index);
            start = index;
            index = getToken(mail_cap, index);
            mimeType = mimeType + '/' + mail_cap.substring(start, index);
        } else {

            mimeType = mimeType + "/*";
        }

        // we record all mappings using the lowercase version.
        mimeType = mimeType.toLowerCase();

        // skip spaces after mime type
        index = skipSpace(mail_cap, index);

        // expect a ';' to terminate field 1
        if (index == mail_cap.length() || mail_cap.charAt(index) != ';') {
            return;
        }
        // ok, we've parsed the mime text field, now parse the view field.  If there's something
        // there, then we add this to the native text.
        index = skipSpace(mail_cap, index + 1);
        // if the next encountered text is not a ";", then we have a view.  This gets added to the
        // native list.
        if (index == mail_cap.length() || mail_cap.charAt(index) != ';') {
            ArrayList nativeCommandList = (ArrayList)nativeCommands.get(mimeType);

            // if this is the first for this mimetype, create a holder
            if (nativeCommandList == null) {
                nativeCommandList = new ArrayList();
                nativeCommands.put(mimeType, nativeCommandList);
            }

            // now add this as an entry in the list.
            nativeCommandList.add(mail_cap);
            // now skip forward to the next field marker, if any
            index = getMText(mail_cap, index);
        }

        // we don't know which list this will be added to until we finish parsing, as there
        // can be an x-java-fallback-entry parameter that moves this to the fallback list.
        List commandList = new ArrayList();
        // but by default, this is not a fallback.
        boolean fallback = false;

        int fieldNumber = 0;

        // parse fields
        while (index < mail_cap.length() && mail_cap.charAt(index) == ';') {
            index = skipSpace(mail_cap, index + 1);
            start = index;
            index = getToken(mail_cap, index);
            String fieldName = mail_cap.substring(start, index).toLowerCase();
            index = skipSpace(mail_cap, index);
            if (index < mail_cap.length() && mail_cap.charAt(index) == '=') {
                index = skipSpace(mail_cap, index + 1);
                start = index;
                index = getMText(mail_cap, index);
                String value = mail_cap.substring(start, index);
                index = skipSpace(mail_cap, index);
                if (fieldName.startsWith("x-java-") && fieldName.length() > 7) {
                    String command = fieldName.substring(7);
                    value = value.trim();
                    if (command.equals("fallback-entry")) {
                        if (value.equals("true")) {
                            fallback = true;
                        }
                    }
                    else {
                        // create a CommandInfo item and add it the accumulator
                        CommandInfo info = new CommandInfo(command, value);
                        commandList.add(info);
                    }
                }
            }
        }
        addCommands(mimeType, commandList, fallback);
    }