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ConfigReader.scala
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ConfigReader.scala
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/*
* Copyright 2013 Toshiyuki Takahashi
*
* 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 org.flywaydb.play
import play.api._
class ConfigReader(configuration: Configuration, environment: Environment) {
case class JdbcConfig(driver: String, url: String, username: String, password: String)
val urlParser = new UrlParser(environment: Environment)
val logger = Logger(classOf[ConfigReader])
private def getAllDatabaseNames: Seq[String] = (for {
config <- configuration.getOptional[Configuration]("db").toList
dbName <- config.subKeys
} yield {
dbName
}).distinct
def getFlywayConfigurations: Map[String, FlywayConfiguration] = {
(for {
dbName <- getAllDatabaseNames
database <- getDatabaseConfiguration(configuration, dbName)
subConfig = configuration.getOptional[Configuration](s"db.$dbName.migration").getOrElse(Configuration.empty)
} yield {
val placeholders = {
subConfig
.getOptional[Configuration]("placeholders")
.map { config =>
config.subKeys.map { key => key -> config.getOptional[String](key).getOrElse("") }.toMap
}
.getOrElse(Map.empty)
}
dbName -> FlywayConfiguration(
database,
subConfig.getOptional[Boolean]("validateOnStart").getOrElse(false),
subConfig.getOptional[Boolean]("auto").getOrElse(false),
subConfig.getOptional[Seq[String]]("locations").getOrElse(Seq.empty[String]),
subConfig.getOptional[String]("encoding"),
subConfig.getOptional[Seq[String]]("schemas").getOrElse(Seq.empty[String]),
subConfig.getOptional[String]("table"),
subConfig.getOptional[Boolean]("placeholderReplacement"),
placeholders,
subConfig.getOptional[String]("placeholderPrefix"),
subConfig.getOptional[String]("placeholderSuffix"),
subConfig.getOptional[String]("sqlMigrationPrefix"),
subConfig.getOptional[String]("repeatableSqlMigrationPrefix"),
subConfig.getOptional[String]("sqlMigrationSeparator"),
subConfig.getOptional[String]("sqlMigrationSuffix"),
subConfig.getOptional[Seq[String]]("sqlMigrationSuffixes").getOrElse(Seq.empty[String]),
subConfig.getOptional[Seq[String]]("ignoreMigrationPatterns").getOrElse(Seq.empty[String]),
subConfig.getOptional[Boolean]("validateOnMigrate"),
subConfig.getOptional[Boolean]("cleanOnValidationError"),
subConfig.getOptional[Boolean]("cleanDisabled"),
subConfig.getOptional[Boolean]("initOnMigrate"),
subConfig.getOptional[Boolean]("outOfOrder"),
subConfig.getOptional[String]("scriptsDirectory"),
subConfig.getOptional[Boolean]("mixed"),
subConfig.getOptional[Boolean]("group")
)
}).toMap
}
private def getDatabaseConfiguration(configuration: Configuration, dbName: String): Option[DatabaseConfiguration] = {
val jdbcConfigOrError = for {
jdbcUrl <- configuration.getOptional[String](s"db.$dbName.url").toRight(s"db.$dbName.url is not set")
driver <- configuration.getOptional[String](s"db.$dbName.driver").toRight(s"db.$dbName.driver is not set")
} yield {
val (parsedUrl, parsedUser, parsedPass) = urlParser.parseUrl(jdbcUrl)
val username = parsedUser
.orElse(configuration.getOptional[String](s"db.$dbName.username"))
.orElse(configuration.getOptional[String](s"db.$dbName.user"))
.orNull
val password = parsedPass
.orElse(configuration.getOptional[String](s"db.$dbName.password"))
.orElse(configuration.getOptional[String](s"db.$dbName.pass"))
.orNull
JdbcConfig(driver, parsedUrl, username, password)
}
jdbcConfigOrError match {
case Left(message) =>
logger.warn(message)
None
case Right(jdbc) =>
Some(DatabaseConfiguration(jdbc.driver, jdbc.url, jdbc.username, jdbc.password))
}
}
}