var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
import { isStringMap } from 'angular2/src/facade/lang';
import { StringMapWrapper } from 'angular2/src/facade/collection';
import { Injectable, Pipe } from 'angular2/core';
import { InvalidPipeArgumentException } from './invalid_pipe_argument_exception';
/**
 *
 *  Generic selector that displays the string that matches the current value.
 *
 *  ## Usage
 *
 *  expression | i18nSelect:mapping
 *
 *  where `mapping` is an object that indicates the text that should be displayed
 *  for different values of the provided `expression`.
 *
 *  ## Example
 *
 *  ```
 *  <div>
 *    {{ gender | i18nSelect: inviteMap }}
 *  </div>
 *
 *  class MyApp {
 *    gender: string = 'male';
 *    inviteMap: any = {
 *      'male': 'Invite her.',
 *      'female': 'Invite him.',
 *      'other': 'Invite them.'
 *    }
 *    ...
 *  }
 *  ```
 */
let I18nSelectPipe_1;
export let I18nSelectPipe = I18nSelectPipe_1 = class I18nSelectPipe {
    transform(value, mapping) {
        if (!isStringMap(mapping)) {
            throw new InvalidPipeArgumentException(I18nSelectPipe_1, mapping);
        }
        return StringMapWrapper.contains(mapping, value) ? mapping[value] : mapping['other'];
    }
};
I18nSelectPipe = I18nSelectPipe_1 = __decorate([
    Pipe({ name: 'i18nSelect', pure: true }),
    Injectable(), 
    __metadata('design:paramtypes', [])
], I18nSelectPipe);
