File upload struts2 interceptor

This interceptor will add several field errors, assuming that the action implements ValidationAware. These error messages are based on several i18n values stored in struts-messages.

You can override the text of these messages by providing text for the following keys:. You can extend this interceptor and override the acceptFile method to provide more control over which files are supported and which are not. And then in your action code you'll have access to the File object if you provide setters according to the naming convention documented in the start.

All rights reserved. Skip navigation links. As we already have discussed before, there are two types of interceptors: pre-processing and post-processing. In this example, we are using both of them. First interceptor is used for file upload pre-processing and the second is used to retrieve the location where the file is saved in web server post-processing.

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