95 lines
1.7 KiB
PHP
95 lines
1.7 KiB
PHP
<?php
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/*
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* This file is part of the Sonata Project package.
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*
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* (c) Thomas Rabaix <thomas.rabaix@sonata-project.org>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Sonata\Exporter\Writer;
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/**
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* @author Thomas Rabaix <thomas.rabaix@sonata-project.org>
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*/
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class JsonWriter implements TypedWriterInterface
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{
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/**
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* @var string
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*/
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protected $filename;
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/**
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* @var resource
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*/
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protected $file;
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/**
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* @var int
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*/
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protected $position;
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/**
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* @param string $filename
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*/
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public function __construct($filename)
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{
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$this->filename = $filename;
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$this->position = 0;
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if (is_file($filename)) {
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throw new \RuntimeException(sprintf('The file %s already exist', $filename));
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}
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}
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/**
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* {@inheritdoc}
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*/
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final public function getDefaultMimeType()
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{
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return 'application/json';
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}
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/**
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* {@inheritdoc}
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*/
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final public function getFormat()
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{
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return 'json';
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}
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/**
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* {@inheritdoc}
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*/
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public function open()
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{
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$this->file = fopen($this->filename, 'w', false);
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fwrite($this->file, '[');
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}
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/**
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* {@inheritdoc}
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*/
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public function close()
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{
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fwrite($this->file, ']');
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fclose($this->file);
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}
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/**
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* {@inheritdoc}
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*/
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public function write(array $data)
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{
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fwrite($this->file, ($this->position > 0 ? ',' : '').json_encode($data));
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++$this->position;
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}
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}
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class_exists(\Exporter\Writer\JsonWriter::class);
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