I have been building some services for our Cisco IP phone network. Each
phone is both a web client and a web server. You interact with the
phones by publishing or pushing XML via HTTP.
Cisco has defined a small set of XML definitions that perform different
actions on the phones. Most of the XML definitions contain the same
tags (Title, Prompt, SoftKeyItems). Conversely, some tags (Text,
Height, Width) are used in about half of the XML definitions.
I created a CFC for each XML definition (CiscoIPPhoneText.cfc,
CiscoIPPhoneMenu.cfc), but found that some methods, setTitle() and
setPrompt(), were duplicated in most CFCs. So, I then created a parent
CFC, CiscoIPPhoneBase.cfc. I moved setTitle() and setPrompt() to the
base CFC. That seemed to be the correct thing to do.
Each "child" CFC has a build() method that generates the XML packets
using the getXXX() methods.
Now, I have found that there are some other methods that are duplicate,
but not in the majority of XML definitions: setText(), setHeight(), etc.
Since those "occasional" tags appear in more than one XML definition,
would it be correct to also place them in the base CFC?
My thought is that the base CFC should hold every method that could be
duplicated, even if only once.
Is there anything wrong with what I'm doing?
Below are two example XML packets that are requested by the phones.
Notice there are some attributes that are common with most XML
definitions.
<CiscoIPPhoneText>
<Title>This is the top line of the display</Title>
<Prompt>This is the bottom line of the display</Prompt>
<Text>This area is simple text with only line feeds, carriage
returns and tabs</Text>
<SoftKeyItem>
<Name>Button Name 1</Name>
<URL>Button Action 1</URL>
<Position>Button Location 1</Position>
</SoftKeyItem>
<SoftKeyItem>
<Name>Button Name 2</Name>
<URL>Button Action 2</URL>
<Position>Button Location 2</Position>
</SoftKeyItem>
</CiscoIPPhoneText>
<CiscoIPPhoneMenu>
<Title>This is the top line of the display</Title>
<Prompt>This is the bottom line of the display</Prompt>
<MenuItem>
<Name>Display Text 1</Name>
<URL>Menu URI 1</URL>
</MenuItem>
<MenuItem>
<Name>Display Text 2</Name>
<URL>Menu URI 2</URL>
</MenuItem>
<SoftKeyItem>
<Name>Button Name</Name>
<URL>Button Action</URL>
<Position>Button Location</Position>
</SoftKeyItem>
</CiscoIPPhoneMenu>
Thanks
m!ke
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