asbah-core_2.9.1.3.0.0-M2.source-code.MongoURI.scala Maven / Gradle / Ivy

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/**
 * Copyright (c) 2010 10gen, Inc. 
 * Copyright (c) 2009, 2010 Novus Partners, Inc. 
 * 
 * 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.
 *
 * For questions and comments about this product, please see the project page at:
 *
 *     http://github.com/mongodb/casbah
 * 
 */

package com.mongodb.casbah


import scalaj.collection.Imports._

/** 
 * 
 * 
 * @author Brendan W. McAdams 
 * @since 2.0
 */
object MongoURI {

  /** 
   * Create a new MongoURI with a URI String e.g.:
   *
   *  mongodb://localhost
   * 
 mongodb://fred:foobar@localhost/
   * 
 mongodb://server1,server2,server3
   *
   * See [[http://www.mongodb.org/display/DOCS/Connections]]
   * 
   * @param  uri (String) 
   */
  def apply(uri: String): MongoURI = new MongoURI(new com.mongodb.MongoURI(uri))
}

/** 
 * Create a new MongoURI with a URI String e.g.:
 *
 * 
 mongodb://localhost
 * 
 mongodb://fred:foobar@localhost/
 *  mongodb://server1,server2,server3
 *
 *  See [[http://www.mongodb.org/display/DOCS/Connections]]
 * 
 * @author Brendan W. McAdams 
 * @since 2.0
 */
class MongoURI(val underlying: com.mongodb.MongoURI) {
  def username: Option[String] = Option(underlying.getUsername)
  def password: Option[Array[Char]] = Option(underlying.getPassword)
  def hosts: Seq[String] = underlying.getHosts.asScala
  def database: Option[String] = Option(underlying.getDatabase)
  def collection: Option[String] = Option(underlying.getCollection)
  def options: MongoOptions = underlying.getOptions
  def connect: Either[Throwable, MongoConnection] = try {
    Right(underlying.connect.asScala)
  } catch {
    case t => Left(t)
  }
  def connectDB: Either[Throwable, MongoDB] = {
    try {
      require(database.isDefined, "Cannot connect to Database as none is defined.")
      Right(underlying.connectDB.asScala)
    } catch {
      case t => Left(t)
    }
  }
  def connectCollection: Either[Throwable, MongoCollection] = {
    try {
      require(collection.isDefined, "Cannot connect to Collection as none is defined.")
      connectDB match {
        case Right(db) => 
          Right(db(collection.get))
        case Left(t) => Left(t)
      }
    } catch {
      case t => Left(t)
    }

  }

  override def toString = underlying.toString
}

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