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annotate src/main/java/edu/harvard/iq/dataverse/LinkValidator.java @ 10:a50cf11e5178

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Rewrite LGDataverse completely upgrading to dataverse4.0
author Zoe Hong <zhong@mpiwg-berlin.mpg.de>
date Tue, 08 Sep 2015 17:00:21 +0200
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1 /*
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2 * To change this license header, choose License Headers in Project Properties.
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3 * To change this template file, choose Tools | Templates
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4 * and open the template in the editor.
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5 */
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6 package edu.harvard.iq.dataverse;
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8 import javax.faces.application.FacesMessage;
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9 import javax.faces.component.UIComponent;
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10 import javax.faces.component.UIInput;
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11 import javax.faces.context.FacesContext;
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12 import javax.faces.validator.FacesValidator;
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13 import javax.faces.validator.Validator;
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14 import javax.faces.validator.ValidatorException;
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16 @FacesValidator(value = "linkValidator")
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17 public class LinkValidator implements Validator {
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19 @Override
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20 public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException {
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21 UIInput taglineInput = (UIInput) component.getAttributes().get("taglineInput");
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22 UIInput linkUrlInput = (UIInput) component.getAttributes().get("linkUrlInput");
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24 String taglineStr = (String) taglineInput.getSubmittedValue();
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25 String urlStr = (String) linkUrlInput.getSubmittedValue();
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27 FacesMessage msg = null;
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28 if (taglineStr.isEmpty() && !urlStr.isEmpty()) {
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29 msg = new FacesMessage("Please enter a tagline for the website to be hyperlinked with.");
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30 msg.setSeverity(FacesMessage.SEVERITY_ERROR);
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31 FacesContext.getCurrentInstance().addMessage(taglineInput.getClientId(), msg);
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32 }
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34 if (msg != null) {
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35 throw new ValidatorException(msg);
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36 }
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38 }
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40 }