[CakePHP 2.x] ComponentでConstructorを使う、ついでにShellからComponentを使うまとめ ref: http://qiita.com/tsumekoara/items/c91533c95b8132c9db8f

AsagohanComponent.php

<?php
App::uses('Component', 'Controller');

class AsagohanComponent extends Component {

    const BURNER_ACCESSKEY = "hidarihajinaraok";
    const BURNER_SECRETKEY = "jikkurimawasu";
    const BURNER_REGION = "hidarihaji";

    private $_ochawan;
    private $_owan;
    private $_burner;

    public function __construct(ComponentCollection $collection, $settings = array()) {
        // Burnerオブジェクト作成
        try {
            $this->_burner = Burner::factory(array(
                'key' => self::ACCESS_KEY,
                'secret' => self::SECRET_KEY,
                'region' => self::REGION
            ))->get('burner');
        } catch (S3Exception $e) {
            throw new CakeException($e, Configure::read('AsagohanErrorCode.cannot_use_burner'));
        }

        $this->_ochawan = "zakkokumai"
        $this->_owan = 'omisoshiru' . $this->_ochawan;

        parent::__construct($collection, $settings);
    }

    // Getter
    public function getOchawan() {
        return $this->_ochawan;
    }

    // Getter
    public function getOwan() {
        return $this->_owan;
    }

NeokiSHell.php

<?php
App::uses("ComponentCollection", "Controller");
App::uses("AsagohanComponent", "Controller/Component");

class NeokiShell extends AppShell {
    public function startup() {
        $collection = new ComponentCollection();
        $this->Asagohan = new AsagohanComponent($collection);
        parent::startup();
    }

    public function main() {
        $gohannisuru = $this->Asagohan->getOchawan();
        $shirumono = $this->Asagohan->getOwan();
    }

}