erik/akismet-kotlin
erik/akismet-kotlin
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Added ifNull() extension function.

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This commit is contained in:
Erik C. Thauvin 2019-09-24 16:52:49 -07:00
parent 697e74da79
commit 0e6d9921f6
1 changed files with 7 additions and 8 deletions
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15
src/main/kotlin/net/thauvin/erik/akismet/AkismetComment.kt
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@ -185,8 +185,8 @@ open class AkismetComment(val userIp: String, val userAgent: String) {
*
* @see [serverEnv]
*/
constructor(request: HttpServletRequest) : this(request.remoteAddr, request.getNonNullHeader("User-Agent")) {
referrer = request.getNonNullHeader("referer")
constructor(request: HttpServletRequest) : this(request.remoteAddr.ifNull(), request.getHeader("User-Agent").ifNull()) {
referrer = request.getHeader("referer").ifNull()
serverEnv = buildServerEnv(request)
}
@ -268,17 +268,16 @@ private fun buildServerEnv(request: HttpServletRequest): HashMap<String, String>
while (names.hasMoreElements()) {
val name = names.nextElement()
if (!name.equals("cookie", true)) {
params["HTTP_${name.toUpperCase().replace('-', '_')}"] = request.getNonNullHeader(name)
params["HTTP_${name.toUpperCase().replace('-', '_')}"] = request.getHeader(name).ifNull()
}
}
return params
}
private fun HttpServletRequest.getNonNullHeader(name: String): String {
val header = getHeader(name)
if (header != null) {
return header
private fun String.ifNull(): String {
if (this == null) {
return ""
}
return ""
return this
}