com.exactpro.th2.converter.config.ApplicationConfig.kt Maven / Gradle / Ivy
/*
* Copyright 2020-2022 Exactpro (Exactpro Systems Limited)
*
* 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
*
* http://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.
*/
package com.exactpro.th2.converter.config
import com.exactpro.th2.converter.util.Mapper.YAML_MAPPER
import com.fasterxml.jackson.core.JsonParseException
import com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException
import mu.KotlinLogging
import org.apache.commons.text.StringSubstitutor
import org.apache.commons.text.lookup.StringLookupFactory
import java.io.FileInputStream
import javax.naming.ConfigurationException
object ApplicationConfig {
private const val CONFIG_FILE_NAME = "/var/th2/config/converter-config.yml"
private const val CONFIG_FILE_SYSTEM_PROPERTY = "converter.config"
private val logger = KotlinLogging.logger { }
var git: LocalGitConfig? = null
init {
loadConfiguration(this)
if (git == null) {
throw ConfigurationException("Bad configuration: property git is not specified in configuration file")
}
}
private fun loadConfiguration(configObject: Any): ApplicationConfig {
val path: String = System.getProperty(CONFIG_FILE_SYSTEM_PROPERTY, CONFIG_FILE_NAME)
try {
FileInputStream(path)
.use { inputStream ->
val stringSubstitute =
StringSubstitutor(StringLookupFactory.INSTANCE.environmentVariableStringLookup())
val content = stringSubstitute.replace(String(inputStream.readAllBytes()))
return YAML_MAPPER.readerForUpdating(configObject).readValue(content)
}
} catch (e: UnrecognizedPropertyException) {
logger.error(
"Bad configuration: unknown property(\"{}\") specified in configuration file",
e.propertyName
)
throw e
} catch (e: JsonParseException) {
logger.error("Bad configuration: exception while parsing configuration file")
throw e
}
}
}