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2011-11-29T12:35:00.530
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You can get the uploaded file content via <code>FileUploadEvent</code>. In PrimeFaces 4.x with Apache Commons FileUpload, or in PrimeFaces 5.x with context param <code>primefaces.UPLOADER</code> set to <code>commons</code>, you can use <code>UploadedFile#getContents()</code> to obtain the uploaded file as <code>byte[]</code>. <pre><code>public void handleFileUpload(FileUploadEvent event) { byte[] content = event.getFile().getContents(); // ... } </code></pre> In PrimeFaces 5.x with context param <code>primefaces.UPLOADER</code> absent or set to <code>auto</code> or <code>native</code> while using JSF 2.2, then <code>getContents()</code> will return <code>null</code> as that's <a href="https://github.com/primefaces/primefaces/blob/5.1.x/src/main/java/org/primefaces/model/NativeUploadedFile.java" rel="nofollow noreferrer">not implemented in <code>NativeUploadedFile</code> implementation</a>. Use <code>UploadedFile#getInputStream()</code> instead and then <a href="https://stackoverflow.com/questions/1264709/convert-inputstream-to-byte-array-in-java">read bytes from it, e.g. with help of commons IO</a>. <pre><code>public void handleFileUpload(FileUploadEvent event) { byte[] content = IOUtils.toByteArray(event.getFile().getInputstream()); // ... } </code></pre> Finally, just set this <code>byte[]</code> in your entity and persist/merge it. Make sure that you have set the form encoding type to <code>multipart/form-data</code> and, when using the Apache Commons FileUpload, that you have configured the <a href="https://stackoverflow.com/questions/8875818/how-to-use-primefaces-pfileupload-listener-method-is-never-invoked/8880083#8880083">file upload filter</a> in <code>web.xml</code> as per PrimeFaces user guide.
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