[{"data":1,"prerenderedAt":141},["Reactive",2],{"/guides/java/netty/receive-a-webhook-event":3,"/guides/java/netty/receive-a-webhook-event-related":59},{"_path":4,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":8,"description":9,"language":10,"library":11,"property":12,"output":13,"related":14,"default":6,"body":17,"_type":54,"_id":55,"_source":56,"_file":57,"_extension":58},"/guides/java/netty/receive-a-webhook-event","netty",false,"","Receive a webhook event","Learn how to receive webhook events when PDF conversion is complete using Java and the Netty library. This guide offers detailed steps with code samples in Java and the Netty library, showing how to handle asynchronous conversion notifications.","Java","Netty","webhook","pdf",[15,16],"save-your-pdf-online-and-get-back-a-url","avoid-conversion-on-error",{"type":18,"children":19,"toc":51},"root",[20,28,33,46],{"type":21,"tag":22,"props":23,"children":24},"element","p",{},[25],{"type":26,"value":27},"text","In this guide, we'll show you how to receive webhook events when PDF conversion is complete using Java and the Netty library.",{"type":21,"tag":22,"props":29,"children":30},{},[31],{"type":26,"value":32},"When converting documents asynchronously, you might want to be notified when the conversion is complete via a webhook.",{"type":21,"tag":34,"props":35,"children":40},"pre",{"className":36,"code":38,"language":39,"meta":7},[37],"language-java","import io.netty.bootstrap.Bootstrap;\nimport io.netty.channel.*;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.SocketChannel;\nimport io.netty.channel.socket.nio.NioSocketChannel;\nimport io.netty.handler.codec.http.*;\nimport io.netty.util.CharsetUtil;\n\n// You can get an API key at https://pdfshift.io\nString apiKey = \"sk_xxxxxxxxxxxx\";\n\nEventLoopGroup group = new NioEventLoopGroup();\ntry {\n    Bootstrap b = new Bootstrap();\n    b.group(group)\n        .channel(NioSocketChannel.class)\n        .handler(new ChannelInitializer\u003CSocketChannel>() {\n            @Override\n            public void initChannel(SocketChannel ch) {\n                ChannelPipeline p = ch.pipeline();\n                p.addLast(new HttpClientCodec());\n                p.addLast(new HttpObjectAggregator(1024 * 1024));\n            }\n        });\n\n    Channel ch = b.connect(\"api.pdfshift.io\", 443).sync().channel();\n\n    FullHttpRequest request = new DefaultFullHttpRequest(\n        HttpVersion.HTTP_1_1, HttpMethod.POST, \"/v3/convert/pdf\");\n    \n    request.headers().set(HttpHeaderNames.HOST, \"api.pdfshift.io\");\n    request.headers().set(\"X-API-Key\", apiKey);\n    request.headers().set(HttpHeaderNames.CONTENT_TYPE, \"application/json\");\n    \n    String payload = \"{\\n\" +\n        \"  \\\"source\\\": \\\"https://www.example.com\\\",\\n\" +\n        \"  \\\"webhook\\\": {\\n\" +\n        \"    \\\"url\\\": \\\"https://your-server.com/webhook\\\",\\n\" +\n        \"    \\\"secret\\\": \\\"your-secret-key\\\"\\n\" +\n        \"  }\\n\" +\n        \"}\";\n    \n    request.content().writeBytes(payload.getBytes(CharsetUtil.UTF_8));\n    request.headers().setInt(HttpHeaderNames.CONTENT_LENGTH, request.content().readableBytes());\n\n    ChannelFuture f = ch.writeAndFlush(request);\n    f.addListener(ChannelFutureListener.CLOSE);\n    \n    // Handle response and save PDF...\n    \n    System.out.println(\"The PDF document was generated and saved to result.pdf\");\n} finally {\n    group.shutdownGracefully();\n}\n","java",[41],{"type":21,"tag":42,"props":43,"children":44},"code",{"__ignoreMap":7},[45],{"type":26,"value":38},{"type":21,"tag":22,"props":47,"children":48},{},[49],{"type":26,"value":50},"This allows you to be notified when conversions are complete without polling.",{"title":7,"searchDepth":52,"depth":52,"links":53},2,[],"markdown","content:guides:java:netty:receive-a-webhook-event.md","content","guides/java/netty/receive-a-webhook-event.md","md",[60,64,68,72,76,80,84,88,92,96,100,104,108,112,116,120,121,125,129,133,137],{"_path":61,"title":62,"language":10,"library":11,"_id":63},"/guides/java/netty/accessing-secured-pages","Accessing secured pages","content:guides:java:netty:accessing-secured-pages.md",{"_path":65,"title":66,"language":10,"library":11,"_id":67},"/guides/java/netty/adding-a-custom-header-or-footer","Adding a custom header or footer","content:guides:java:netty:adding-a-custom-header-or-footer.md",{"_path":69,"title":70,"language":10,"library":11,"_id":71},"/guides/java/netty/adding-a-text-watermark","Adding a text watermark","content:guides:java:netty:adding-a-text-watermark.md",{"_path":73,"title":74,"language":10,"library":11,"_id":75},"/guides/java/netty/adding-an-image-watermark","Adding an image watermark","content:guides:java:netty:adding-an-image-watermark.md",{"_path":77,"title":78,"language":10,"library":11,"_id":79},"/guides/java/netty/avoid-conversion-on-error","Avoid conversion on error","content:guides:java:netty:avoid-conversion-on-error.md",{"_path":81,"title":82,"language":10,"library":11,"_id":83},"/guides/java/netty/convert-html-to-pdf-from-a-url","Convert HTML to PDF from a URL","content:guides:java:netty:convert-html-to-pdf-from-a-url.md",{"_path":85,"title":86,"language":10,"library":11,"_id":87},"/guides/java/netty/convert-html-to-pdf-from-raw-html","Convert HTML to PDF from raw HTML","content:guides:java:netty:convert-html-to-pdf-from-raw-html.md",{"_path":89,"title":90,"language":10,"library":11,"_id":91},"/guides/java/netty/define-a-time-limit","Define a time limit","content:guides:java:netty:define-a-time-limit.md",{"_path":93,"title":94,"language":10,"library":11,"_id":95},"/guides/java/netty/exporting-only-a-specific-set-of-pages","Exporting only a specific set of pages","content:guides:java:netty:exporting-only-a-specific-set-of-pages.md",{"_path":97,"title":98,"language":10,"library":11,"_id":99},"/guides/java/netty/generate-a-document-with-full-height","Generate a document with full height","content:guides:java:netty:generate-a-document-with-full-height.md",{"_path":101,"title":102,"language":10,"library":11,"_id":103},"/guides/java/netty/loading-css-from-a-string","Loading CSS from a string","content:guides:java:netty:loading-css-from-a-string.md",{"_path":105,"title":106,"language":10,"library":11,"_id":107},"/guides/java/netty/loading-css-from-a-url","Loading CSS from a URL","content:guides:java:netty:loading-css-from-a-url.md",{"_path":109,"title":110,"language":10,"library":11,"_id":111},"/guides/java/netty/loading-javascript-from-a-string","Loading JavaScript from a string","content:guides:java:netty:loading-javascript-from-a-string.md",{"_path":113,"title":114,"language":10,"library":11,"_id":115},"/guides/java/netty/loading-javascript-from-a-url","Loading JavaScript from a URL","content:guides:java:netty:loading-javascript-from-a-url.md",{"_path":117,"title":118,"language":10,"library":11,"_id":119},"/guides/java/netty/protecting-the-generated-pdf","Protecting the generated PDF","content:guides:java:netty:protecting-the-generated-pdf.md",{"_path":4,"title":8,"language":10,"library":11,"_id":55},{"_path":122,"title":123,"language":10,"library":11,"_id":124},"/guides/java/netty/save-your-pdf-online-and-get-back-a-url","Save your PDF online and get back a URL","content:guides:java:netty:save-your-pdf-online-and-get-back-a-url.md",{"_path":126,"title":127,"language":10,"library":11,"_id":128},"/guides/java/netty/save-your-pdf-to-your-amazon-s3-bucket","Save your PDF to your Amazon S3 bucket","content:guides:java:netty:save-your-pdf-to-your-amazon-s3-bucket.md",{"_path":130,"title":131,"language":10,"library":11,"_id":132},"/guides/java/netty/send-custom-http-headers","Send custom HTTP headers","content:guides:java:netty:send-custom-http-headers.md",{"_path":134,"title":135,"language":10,"library":11,"_id":136},"/guides/java/netty/using-cookies","Using cookies","content:guides:java:netty:using-cookies.md",{"_path":138,"title":139,"language":10,"library":11,"_id":140},"/guides/java/netty/waiting-for-a-custom-element-to-be-ready","Waiting for a custom element to be ready","content:guides:java:netty:waiting-for-a-custom-element-to-be-ready.md",1780405108877]