{"id":9432,"date":"2024-03-14T09:37:59","date_gmt":"2024-03-14T09:37:59","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/9432-2\/"},"modified":"2024-03-20T15:29:26","modified_gmt":"2024-03-20T15:29:26","slug":"9432-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/9432-2\/","title":{"rendered":""},"content":{"rendered":"<p>The steps to download a file stream using RestTemplate are as follows:<\/p>\n<ol>\n<li>Instantiate a RestTemplate object:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">RestTemplate<\/span> <span class=\"hljs-variable\">restTemplate<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">RestTemplate<\/span>();\r\n<\/code><\/pre>\n<ol>\n<li>Use the exchange method of RestTemplate to send an HTTP GET request and retrieve a file stream.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>ResponseEntity&lt;<span class=\"hljs-type\">byte<\/span>[]&gt; response = restTemplate.exchange(\r\n    <span class=\"hljs-string\">\"http:\/\/example.com\/file.pdf\"<\/span>,\r\n    HttpMethod.GET,\r\n    <span class=\"hljs-literal\">null<\/span>,\r\n    <span class=\"hljs-type\">byte<\/span>[].class\r\n);\r\n<\/code><\/pre>\n<ol>\n<li>Retrieve the byte array from the response body and save it to a file.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">byte<\/span>[] fileData = response.getBody();\r\n<span class=\"hljs-type\">FileOutputStream<\/span> <span class=\"hljs-variable\">fos<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">FileOutputStream<\/span>(<span class=\"hljs-string\">\"file.pdf\"<\/span>);\r\nfos.write(fileData);\r\nfos.close();\r\n<\/code><\/pre>\n<p>In this way, you can use RestTemplate to download a file stream and save it to a local file. It is important to note that the URL and file name in the above code need to be replaced according to the actual situation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The steps to download a file stream using RestTemplate are as follows: Instantiate a RestTemplate object: RestTemplate restTemplate = new RestTemplate(); Use the exchange method of RestTemplate to send an HTTP GET request and retrieve a file stream. ResponseEntity&lt;byte[]&gt; response = restTemplate.exchange( &#8220;http:\/\/example.com\/file.pdf&#8221;, HttpMethod.GET, null, byte[].class ); Retrieve the byte array from the response body [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-9432","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/9432-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"The steps to download a file stream using RestTemplate are as follows: Instantiate a RestTemplate object: RestTemplate restTemplate = new RestTemplate(); Use the exchange method of RestTemplate to send an HTTP GET request and retrieve a file stream. ResponseEntity&lt;byte[]&gt; response = restTemplate.exchange( &quot;http:\/\/example.com\/file.pdf&quot;, HttpMethod.GET, null, byte[].class ); Retrieve the byte array from the response body [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/9432-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-14T09:37:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-20T15:29:26+00:00\" \/>\n<meta name=\"author\" content=\"Noah Thompson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Noah Thompson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/9432-2\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/9432-2\/\"},\"author\":{\"name\":\"Noah Thompson\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/2e83cc6ab9f60d36921c2d0f9f280f4a\"},\"headline\":\"No title\",\"datePublished\":\"2024-03-14T09:37:59+00:00\",\"dateModified\":\"2024-03-20T15:29:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/9432-2\/\"},\"wordCount\":90,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/9432-2\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/9432-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2024-03-14T09:37:59+00:00\",\"dateModified\":\"2024-03-20T15:29:26+00:00\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/blog\/9432-2\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"name\":\"Silicon Cloud Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\",\"name\":\"Silicon Cloud Blog\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"contentUrl\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"width\":1024,\"height\":1024,\"caption\":\"Silicon Cloud Blog\"},\"image\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\",\"https:\/\/twitter.com\/SiliCloudGlobal\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/2e83cc6ab9f60d36921c2d0f9f280f4a\",\"name\":\"Noah Thompson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/350e537e1530ede2762ee0237e877d6693f4f7163ab4f303202cc9a6b27b6cb4?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/350e537e1530ede2762ee0237e877d6693f4f7163ab4f303202cc9a6b27b6cb4?s=96&d=mm&r=g\",\"caption\":\"Noah Thompson\"},\"url\":\"https:\/\/www.silicloud.com\/blog\/author\/noahthompson\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"- Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/blog\/9432-2\/","og_locale":"en_US","og_type":"article","og_description":"The steps to download a file stream using RestTemplate are as follows: Instantiate a RestTemplate object: RestTemplate restTemplate = new RestTemplate(); Use the exchange method of RestTemplate to send an HTTP GET request and retrieve a file stream. 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