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osmo-st-all/osmo-st-sip/callagent/parameters/SIPGenericParam.st

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Smalltalk

"
(C) 2011 by Holger Hans Peter Freyther
All Rights Reserved
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"
Object subclass: SIPGenericParam [
| key value |
<category: 'OsmoSIP-Param'>
<comment: 'I am a simple key value pair with the value being optional'>
SIPGenericParam class >> fromOptional: anArray [
"The =value is optional here"
<category: 'creation'>
^ self new
key: anArray first;
value: (anArray second isNil
ifTrue: [nil]
ifFalse: [anArray second second])
]
SIPGenericParam class >> fromMandatory: anArray [
"There must be a key and value"
<category: 'creation'>
^ self new
key: anArray first;
value: anArray third.
]
key: aKey [
<category: 'accessing'>
key := aKey.
]
value: aValue [
<category: 'accessing'>
value := aValue.
]
key [
<category: 'accessing'>
^ key
]
value [
<category: 'accessing'>
^ value
]
asFoldedString [
| str |
<category: 'helper'>
^value isNil
ifTrue: [key]
ifFalse: [
(WriteStream on: (String new: key size + value size + 1))
nextPutAll: key;
nextPut: $=;
nextPutAll: value;
contents].
]
isGenericSIPParam [
<category: 'osmo-sip-extension'>
^ true
]
]