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initial commit

main
James Fenn 5 months ago
commit
e0c2360751
17 changed files with 631 additions and 0 deletions
  1. +7
    -0
      .gitignore
  2. +30
    -0
      build.gradle
  3. +17
    -0
      docs/build.gradle
  4. +50
    -0
      docs/src/me/jfenn/ktordocs/RestDocs.kt
  5. +121
    -0
      docs/src/me/jfenn/ktordocs/RestDocsFeature.kt
  6. +7
    -0
      docs/src/me/jfenn/ktordocs/model/Configuration.kt
  7. +19
    -0
      docs/src/me/jfenn/ktordocs/model/EndpointInfo.kt
  8. +22
    -0
      example/build.gradle
  9. +9
    -0
      example/resources/application.conf
  10. +12
    -0
      example/resources/logback.xml
  11. +36
    -0
      example/src/Application.kt
  12. +4
    -0
      gradle.properties
  13. BIN
      gradle/wrapper/gradle-wrapper.jar
  14. +5
    -0
      gradle/wrapper/gradle-wrapper.properties
  15. +188
    -0
      gradlew
  16. +100
    -0
      gradlew.bat
  17. +4
    -0
      settings.gradle

+ 7
- 0
.gitignore View File

@@ -0,0 +1,7 @@
/.gradle
/.idea
/out
build/
*.iml
*.ipr
*.iws

+ 30
- 0
build.gradle View File

@@ -0,0 +1,30 @@
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
ext.kotlin_version = '1.3.72'
ext.ktor_version = '1.3.2'
ext.serialization_version = '0.20.0'

repositories {
google()
jcenter()
maven { url "https://kotlin.bintray.com/kotlinx" }
maven { url "https://plugins.gradle.org/m2/" }
}

dependencies {
classpath 'com.android.tools.build:gradle:4.0.0'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"

// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}

allprojects {
repositories {
google()
jcenter()
maven { url 'https://kotlin.bintray.com/ktor' }
}
}

+ 17
- 0
docs/build.gradle View File

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apply plugin: 'kotlin'

group 'me.jfenn'
version '0.0.1'

sourceSets {
main.kotlin.srcDirs = main.java.srcDirs = ['src']
test.kotlin.srcDirs = test.java.srcDirs = ['test']
main.resources.srcDirs = ['resources']
test.resources.srcDirs = ['testresources']
}

dependencies {
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
implementation "io.ktor:ktor-server-core:$ktor_version"
implementation "io.ktor:ktor-html-builder:$ktor_version"
}

+ 50
- 0
docs/src/me/jfenn/ktordocs/RestDocs.kt View File

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package me.jfenn.ktordocs

import kotlinx.html.*
import kotlinx.html.stream.appendHTML
import me.jfenn.ktordocs.model.Configuration
import me.jfenn.ktordocs.model.EndpointInfo

class RestDocs(
configure: Configuration.() -> Unit
) {

val config = Configuration().apply { configure() }

val endpoints = ArrayList<EndpointInfo>()

fun add(info: EndpointInfo) {
endpoints.add(info)
}

fun FlowContent.endpointInfo(endpoint: EndpointInfo) {
div("card my-3") {
h5("card-header") { +endpoint.path }
div("card-body") {
endpoint.description?.let {
p("card-text") { +it }
}
}
}
}

fun toHtml() : String = buildString {
appendln("<!DOCTYPE html>")
appendHTML().html {
head {
title(config.title)
link(
href = "https://stackpath.bootstrapcdn.com/bootstrap/4.5.1/css/bootstrap.min.css",
rel = "stylesheet"
)
}
body {
div("container") {
endpoints.forEach { endpointInfo(it) }
}
}
}
appendln()
}

}

+ 121
- 0
docs/src/me/jfenn/ktordocs/RestDocsFeature.kt View File

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package me.jfenn.ktordocs

import io.ktor.application.*
import io.ktor.http.ContentType
import io.ktor.response.respondText
import io.ktor.routing.*
import io.ktor.util.AttributeKey
import io.ktor.util.pipeline.PipelineContext
import io.ktor.util.pipeline.PipelineInterceptor
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.launch
import me.jfenn.ktordocs.model.Configuration
import me.jfenn.ktordocs.model.EndpointInfo
import kotlin.coroutines.CoroutineContext
import kotlin.reflect.full.memberProperties

class RestDocsFeature(
val docs: RestDocs
) {

private fun buildPathString(selectors: List<RouteSelector>, defaultParam: String? = null) : String {
return "/" + selectors.mapNotNull {
when (it) {
is PathSegmentConstantRouteSelector -> it.value
is PathSegmentParameterRouteSelector -> defaultParam ?: "{${it.name}}"
is PathSegmentOptionalParameterRouteSelector -> defaultParam ?: "{${it.name}?}"
is PathSegmentTailcardRouteSelector -> defaultParam ?: "{...${it.name}}"
is PathSegmentWildcardRouteSelector -> defaultParam ?: "*"
else -> null
}
}.joinToString("/")
}

suspend fun updateRoutes(route: Route, selectors: List<RouteSelector> = listOf()) {
(route.selector as? HttpMethodRouteSelector)?.let { selector ->
val path = buildPathString(selectors)
val endpoint = EndpointInfo(path, selector.method)

val testPath = buildPathString(selectors, defaultParam = "ktor_docs")

// using reflection to obtain the "route.handlers" property
val handlers = Route::class.memberProperties.find {
it.name == "handlers"
}?.get(route) as ArrayList<PipelineInterceptor<Unit, ApplicationCall>>

handlers.forEach {
try { // try to invoke each handler
DummyPipelineContext.it(Unit)
} catch (e: DocsProxyException) {
// caught proxy extension; add endpoint to docs
e.configure.invoke(endpoint)
docs.add(endpoint)
return
} catch (e: Throwable) {
// do nothing
}
}
}

route.children.forEach {
updateRoutes(it, selectors + it.selector)
}
}

companion object : ApplicationFeature<Application, Configuration, RestDocsFeature> {

override val key = AttributeKey<RestDocsFeature>("Ktor REST Documentation")

override fun install(pipeline: Application, configure: Configuration.() -> Unit) : RestDocsFeature {
val docs = RestDocs {
configure()
}

return RestDocsFeature(docs)
}

}

}

fun Route.restDocumentation(path: String = "/") {
GlobalScope.launch {
application.feature(RestDocsFeature).updateRoutes(this@restDocumentation)
}

get(path) {
application.feature(RestDocsFeature).apply {
call.respondText(docs.toHtml(), ContentType.Text.Html)
}
}
}

fun PipelineContext<Unit, ApplicationCall>.docs(configure: EndpointInfo.() -> Unit) {
if (this is DummyPipelineContext)
throw DocsProxyException(configure)
}

class DocsProxyException(
val configure: EndpointInfo.() -> Unit
) : RuntimeException("default ktor docs behavior")

object DummyPipelineContext : PipelineContext<Unit, ApplicationCall> {
override val context: ApplicationCall
get() = TODO("Not yet implemented")
override val coroutineContext: CoroutineContext
get() = TODO("Not yet implemented")
override val subject: Unit
get() = TODO("Not yet implemented")

override fun finish() {
TODO("Not yet implemented")
}

override suspend fun proceed() {
TODO("Not yet implemented")
}

override suspend fun proceedWith(subject: Unit) {
TODO("Not yet implemented")
}
}

+ 7
- 0
docs/src/me/jfenn/ktordocs/model/Configuration.kt View File

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package me.jfenn.ktordocs.model

class Configuration {

var title = "Ktor REST Documentation"

}

+ 19
- 0
docs/src/me/jfenn/ktordocs/model/EndpointInfo.kt View File

@@ -0,0 +1,19 @@
package me.jfenn.ktordocs.model

import io.ktor.http.HttpMethod

class EndpointInfo(
val path: String,
val method: HttpMethod
) {

var description: String? = null

// val params: ArrayList<ParameterInfo>

// val responses: ArrayList<ResponseInfo>

// fun param(...)
// fun responds(...)

}

+ 22
- 0
example/build.gradle View File

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apply plugin: 'kotlin'
apply plugin: 'application'

group 'me.jfenn'
version '0.0.1'
mainClassName = "io.ktor.server.netty.EngineMain"

sourceSets {
main.kotlin.srcDirs = main.java.srcDirs = ['src']
test.kotlin.srcDirs = test.java.srcDirs = ['test']
main.resources.srcDirs = ['resources']
test.resources.srcDirs = ['testresources']
}

dependencies {
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
implementation "io.ktor:ktor-server-netty:$ktor_version"
implementation "ch.qos.logback:logback-classic:$logback_version"
testImplementation "io.ktor:ktor-server-tests:$ktor_version"

implementation project(':docs')
}

+ 9
- 0
example/resources/application.conf View File

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ktor {
deployment {
port = 8080
port = ${?PORT}
}
application {
modules = [ me.jfenn.ApplicationKt.module ]
}
}

+ 12
- 0
example/resources/logback.xml View File

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<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{YYYY-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
</encoder>
</appender>
<root level="trace">
<appender-ref ref="STDOUT"/>
</root>
<logger name="org.eclipse.jetty" level="INFO"/>
<logger name="io.netty" level="INFO"/>
</configuration>

+ 36
- 0
example/src/Application.kt View File

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package me.jfenn

import io.ktor.application.*
import io.ktor.http.ContentType
import io.ktor.response.*
import io.ktor.request.*
import io.ktor.routing.get
import io.ktor.routing.routing
import me.jfenn.ktordocs.RestDocsFeature
import me.jfenn.ktordocs.docs
import me.jfenn.ktordocs.restDocumentation

fun main(args: Array<String>): Unit = io.ktor.server.netty.EngineMain.main(args)

@Suppress("unused") // Referenced in application.conf
@kotlin.jvm.JvmOverloads
fun Application.module(testing: Boolean = false) {

install(RestDocsFeature) {

}

routing {
get("/api/hello") {
docs {
description = "Responds with 'hello world' :)"
}

call.respondText("""{"hello": "world"}""", ContentType.Application.Json)
}

restDocumentation("/docs")
}

}


+ 4
- 0
gradle.properties View File

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ktor_version=1.3.2
kotlin.code.style=official
kotlin_version=1.3.70
logback_version=1.2.1

BIN
gradle/wrapper/gradle-wrapper.jar View File


+ 5
- 0
gradle/wrapper/gradle-wrapper.properties View File

@@ -0,0 +1,5 @@
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

+ 188
- 0
gradlew View File

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#!/usr/bin/env sh

#
# Copyright 2015 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################

# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null

APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`

# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'

# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"

warn () {
echo "$*"
}

die () {
echo
echo "$*"
echo
exit 1
}

# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac

CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar

# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME

Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi

# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi

# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi

# For Cygwin or MSYS, switch paths to Windows format before running java
if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`

# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option

if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=$((i+1))
done
case $i in
(0) set -- ;;
(1) set -- "$args0" ;;
(2) set -- "$args0" "$args1" ;;
(3) set -- "$args0" "$args1" "$args2" ;;
(4) set -- "$args0" "$args1" "$args2" "$args3" ;;
(5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
(6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
(7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
(8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
(9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi

# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=$(save "$@")

# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"

# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
cd "$(dirname "$0")"
fi

exec "$JAVACMD" "$@"

+ 100
- 0
gradlew.bat View File

@@ -0,0 +1,100 @@
@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:init
@rem Get command-line arguments, handling Windows variants
if not "%OS%" == "Windows_NT" goto win9xME_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

+ 4
- 0
settings.gradle View File

@@ -0,0 +1,4 @@
rootProject.name = "ktordocs"
enableFeaturePreview('GRADLE_METADATA')
include ':docs'
include ':example'

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