public ValueParser getSubkey()

in velocity-tools-generic/src/main/java/org/apache/velocity/tools/generic/ValueParser.java [708:740]

• 31 lines of code
• 9 McCabe index (conditional complexity)

    public ValueParser getSubkey(String subkey)
    {
        if (!hasSubkeys() || subkey == null || subkey.length() == 0)
        {
            return null;
        }

        Map<String,Object> values = null;
        subkey = subkey.concat(".");
        for (Map.Entry<String,Object> entry : getSource().entrySet())
        {
            if (entry.getKey().startsWith(subkey) &&
                entry.getKey().length() > subkey.length())
            {
                if (values == null)
                {
                    values = new HashMap<String, Object>();
                }
                values.put(entry.getKey().substring(subkey.length()),entry.getValue());
            }
        }
        if (values == null)
        {
            return null;
        }
        else
        {
            ValueParser ret = new ValueParser(values);
            /* honnor readOnly option on submaps */
            ret.setReadOnly(getReadOnly());
            return ret;
        }
    }