<?php
/**
* アップロードされたファイル情報を保持するクラス
*
* PHP version 5
*
* @package    class.util
* @author     CharcoalPHP Development Team
* @copyright  2008 stk2k, sazysoft
*/

class Charcoal_UploadedFile extends Charcoal_File
{
    private $name;
    private $type;
    private $size;
    private $tmp_name;
    private $error;

    /*
     *  コンストラクタ
     *
     *  @param String userfile $_FILES変数のキー
     */
    public function __construct( $userfile )
    {
        $file = $_FILES[ us($userfile) ];

        $this->name     = $file['name'];
        $this->type     = $file['type'];
        $this->size     = $file['size'];
        $this->tmp_name = $file['tmp_name'];
        $this->error    = $file['error'];

        parent::__construct( $this->tmp_name );
    }

    /*
     * クライアントマシンの元のファイル名
     *
     */
    public function getOriginalName()
    {
        return $this->name;
    }

    /*
     *  ファイルの MIME 型
     *
     */
    public function getType()
    {
        return $this->type;
    }

    /*
     *  ファイルのバイト単位のサイズ
     *
     */
    public function getSize()
    {
        return $this->size;
    }

    /*
     *  テンポラリファイルの名前を取得
     *
     */
    public function getTmpName()
    {
        return $this->tmp_name;
    }

    /*
     *  テンポラリファイルを取得
     *
     */
    public function getTmpFile()
    {
        return new Charcoal_File( $this->tmp_name );
    }

    /*
     *  テンポラリファイルのコンテンツを取得
     *
     */
    public function getTmpFileContents()
    {
        if ( !file_exists($this->tmpname) || !is_readable($this->tmpname) ){
            return NULL;
        }
        return file_get_contents( $this->tmpname );
    }

    /*
     *  エラーコード
     *
     */
    public function getError()
    {
        return $this->error;
    }

    /*
     *  Fileオブジェクトに変換
     *
     */
    public function toFile()
    {
        return new Charcoal_File( s($this->tmp_name) );
    }

    /*
     *  オリジナルファイル名の拡張子を取得
     *
     */
    public function getExtension()
    {
        $pos = strrpos( $this->name, '.' );
        if ( is_int($pos) ){
            return substr( $this->name, $pos );
        }
        return '';
    }

    /*
     *  エラーチェック
     *
     */
    public function checkErrors()
    {
        switch( $this->error ){
        case UPLOAD_ERR_OK:
            log_info( "system,debug", "UPLOAD_ERR_OK" );
            break;
        case UPLOAD_ERR_INI_SIZE:
            log_info( "system,debug", "UPLOAD_ERR_INI_SIZE" );
            _throw( new Charcoal_FileUploadIniSizeException($this) );
            break;
        case UPLOAD_ERR_FORM_SIZE:
            log_info( "system,debug", "UPLOAD_ERR_FORM_SIZE" );
            _throw( new Charcoal_FileUploadFormSizeException($this) );
            break;
        case UPLOAD_ERR_PARTIAL:
            log_info( "system,debug", "UPLOAD_ERR_PARTIAL" );
            _throw( new Charcoal_FileUploadPartialException($this) );
            break;
        case UPLOAD_ERR_NO_FILE:
            log_info( "system,debug", "UPLOAD_ERR_NO_FILE" );
            _throw( new Charcoal_FileUploadNoFileException($this) );
            break;
        case UPLOAD_ERR_NO_TMP_DIR:
            log_info( "system,debug", "UPLOAD_ERR_NO_TMP_DIR" );
            _throw( new Charcoal_FileUploadNoTmpDirException($this) );
            break;
        case UPLOAD_ERR_CANT_WRITE:
            log_info( "system,debug", "UPLOAD_ERR_CANT_WRITE" );
            _throw( new Charcoal_FileUploadCantWriteException($this) );
            break;
        case UPLOAD_ERR_EXTENSION:
            log_info( "system,debug", "UPLOAD_ERR_EXTENSION" );
            _throw( new Charcoal_FileUploadExtensionException($this) );
            break;
        default:
            log_warning( "system,debug", "unexpected upload error:" . $this->error );
            break;
        }
    }

}