Validation af:inputFile

I need to make a customer validation side for af:inputFile

< af:inputFile label = "Select File" id = "if1.
simple = "false" readOnly = "false".
Disabled = "false".
Binding = "#{ProcessFileUpload.file} '"
valueChangeListener = "#{ProcessFileUpload.processUpload}" >

< / af:inputFile >

< af:commandButton text = 'Upload process"id ="cb1 ".
actionListener = "#{ProcessFileUpload.fileUploadListener} '"
Binding = "#{ProcessFileUpload.uploadButton}" >
< af:clientListener method = "hideMessage" type = "action" / >
< / af:commandButton >

If the user selects no flie with the browse option, I need to give a message "Please select a file." Can I apply a validation of regexpression here?

AdfPage.PAGE.findComponentByAbsoluteId ('pt1:if1').getValue() always returns null...)

Thank you
Bastien

The the true value required property.

Tags: Java

Similar Questions

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    Hi all

    I need a condition where we have a non-mandatory file to browse and it must validate the file type as being images formats.

    We have implemented validation using valueChangeEvent even put implemented in

    http://technology.AMIS.nl/2009/09/14/ADF-11g-validation-of-uploaded-files-with-the-InputFile-component/

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    given that it is a non-mandatory item the user can choose the wrong file and go ahead and submit the form.

    We must display error message and to reset the component (what is happening that I suppose because af:inputFile is reset to download and file name is not).

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    Thank you

    Yves Michaud

    If you use the code of the blog your problem is that you have set the inputFile invalid component and have no change to reset this State but to select a file not valid.

    Comment out the line in the code that affects the status of the invalid component

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    Then the message will disappear with the next submission and you can save the form with the now empty inputfile component.

    Timo

  • InputFile value lost after the validation fires

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    I use Jdeveloper 11.1.1.5.
    I have a date. MinValue, InputFile and a commandButton control.

    Requirement: -.
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    Now the problem is that if the user selects the file & directly click on the button, then as the component date. MinValue does not contain a value, it will show a mssage error, but at the same time the inputFile changes through update.
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    file UploadedFile private;
    private text RichInputText;
    private RichInputFile if1.
    private RichCommandButton cb1;
    private RichInputDate id1;
    private RichForm f1;
    private RichMessages m1;
    private RichDocument d1;
    private UploadedFile fo;

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    }

    public String executeFile() {}
    Add the code in the event here...
    try {}
    Here, it may be any postings business logic
    {if (ID1. GetValue () is nothing)}
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    }
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    Gets the file with the null value if the validation of Date fires once.
    System.out.println (file. GetFilename()); +
    }
    Returns a null value.


    } catch (Exception e) {}
    TODO: Add catch code
    e.printStackTrace ();
    }
    Returns a null value.
    }


    Why the value of the file takes the value zero, if validation is triggered. Because either way, the user will fix the error and then click the command button? This point of time, that value will be nil in the object file.
    Is it possible to keep the inputFile value?

    Please think!

    Kind regards
    Shah

    Well, look more closely your still not formatted code shows you use support beanScope to store the value of the downloaded file. Problem is that after clicking on the button, the bean is killed and (now empty a new) is created. A reason to get rid of the link moer automatic usles in a bean!
    You should take a look at https://blogs.oracle.com/groundside/entry/the_uimanager_pattern and store the values in a uiManager bean that you inject into the bean application scope that manage you the logic.
    I used a xxyyzz bean in the scope of the application to manage the logic

    
    private static ADFLogger _logger = ADFLogger.createADFLogger(Xxyyzz.class); 
    
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        public void setUiManager(UIManager _uiManager) {
            this._uiManager = _uiManager;
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    the uiManager bean

    
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        private UploadedFile file;
        private String user;
        public UIManager() {
            super();
        } 
    
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        } 
    
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            return file;
        } 
    
        public void setUser(String user) {
            this.user = user;
        } 
    
        public String getUser() {
            return user;
        }
    } 
    

    and the code page of the user interface

    
    
                    
                    
                    
                   
    

    The installation program of the bean in faces-config. XML

    
    
        uiManager
        de.hahn.xxyyzz.UIManager<;/managed-bean-class>
        session
       
    

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        xxyyzz
        de.hahn.xxyyzz.Xxyyzz<;/managed-bean-class>
        request
        
          uiManager
          de.hahn.xxyyzz.UIManager<;/property-class>
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    So your use case works as you expect.

    Timo

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