public MimeHeaders() 
{
        headers = new Vector();
}

Constructs a default MimeHeaders object initialized with an empty Vector object.

 public  void addHeader(String name,
    String value) 
{
        if ((name == null) || name.equals(""))
            throw new IllegalArgumentException("Illegal MimeHeader name");
        int pos = headers.size();
        for(int i = pos - 1 ; i  >= 0; i--) {
            MimeHeader hdr = (MimeHeader) headers.elementAt(i);
            if (hdr.getName().equalsIgnoreCase(name)) {
                headers.insertElementAt(new MimeHeader(name, value),
                                        i+1);
                return;
            }
        }
        headers.addElement(new MimeHeader(name, value));
}

Adds a MimeHeader object with the specified name and value to this MimeHeaders object's list of headers.

Note that RFC822 headers can contain only US-ASCII characters.

 public Iterator getAllHeaders() 
{
        return headers.iterator();
}

Returns all the MimeHeaders in this MimeHeaders object.

 public String[] getHeader(String name) 
{
        Vector values = new Vector();
        for(int i = 0; i <  headers.size(); i++) {
            MimeHeader hdr = (MimeHeader) headers.elementAt(i);
            if (hdr.getName().equalsIgnoreCase(name)
                && hdr.getValue() != null)
                values.addElement(hdr.getValue());
        }
        if (values.size() == 0)
            return null;
        String r[] = new String[values.size()];
        values.copyInto(r);
        return r;
}

Returns all of the values for the specified header as an array of String objects.

 public Iterator getMatchingHeaders(String[] names) 
{
        return new MatchingIterator(names, true);
}

Returns all the MimeHeader objects whose name matches a name in the given array of names.

 public Iterator getNonMatchingHeaders(String[] names) 
{
        return new MatchingIterator(names, false);
}

Returns all of the MimeHeader objects whose name does not match a name in the given array of names.

 public  void removeAllHeaders() 
{
        headers.removeAllElements();
}

Removes all the header entries from this MimeHeaders object.

 public  void removeHeader(String name) 
{
        for(int i = 0; i <  headers.size(); i++) {
            MimeHeader hdr = (MimeHeader) headers.elementAt(i);
            if (hdr.getName().equalsIgnoreCase(name))
                headers.removeElementAt(i--);
        }
}

Remove all MimeHeader objects whose name matches the given name.

 public  void setHeader(String name,
    String value) 
{
        boolean found = false;
        if ((name == null) || name.equals(""))
            throw new IllegalArgumentException("Illegal MimeHeader name");
        for(int i = 0; i <  headers.size(); i++) {
            MimeHeader hdr = (MimeHeader) headers.elementAt(i);
            if (hdr.getName().equalsIgnoreCase(name)) {
                if (!found) {
                    headers.setElementAt(new MimeHeader(hdr.getName(),
                                                        value), i);
                    found = true;
                }
                else
                    headers.removeElementAt(i--);
            }
        }
        if (!found)
            addHeader(name, value);
}

Replaces the current value of the first header entry whose name matches the given name with the given value, adding a new header if no existing header name matches. This method also removes all matching headers after the first one.

Note that RFC822 headers can contain only US-ASCII characters.