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POError in Spring MVC Custom EL Function to Format String
 

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  1. POError in Spring MVC Custom EL Function to Format String
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    <p>I am using Spring and building a web app. I am creating a custom EL Function and I am trying to format a phone number which is a String from 1234567890 to 123-456-7890 output.</p> <p>I tested the method 'phoneFormat' in a standalone java application and passed a string, ex "3101234567", and it correctly formatted it. When I use it in phones.jsp, I am passing 'phone.number' <strong>Can I pass phones.number the way I did - ${myTags:phoneFormat(phone.number)} ?</strong></p> <p>You can see below the files I am working with. <strong>Do you see anything wrong that prevents this from working?</strong> When I load that page, it currently does not display the Phone number at all.</p> <p><strong>/StudentWebMVC/src/main/webapp/WEB-INF/views/personal/phones.jsp</strong> This is a portion of the file where I output the phone number</p> <pre><code>&lt;c:otherwise&gt; &lt;div&gt; &lt;%@ taglib prefix="myTags" uri="/WEB-INF/tags/functions.tld" %&gt; ${myTags:phoneFormat(phone.number)} *this is how I am trying to format the phone number to 123-456-7890 output* &lt;%-- ${phone.number} --%&gt; *this is how it is currently, it outputs the number to the screen* &lt;/div&gt; &lt;c:if test="${phone != null &amp;&amp; type == 'personal' }"&gt; &lt;div&gt;Send emergency text messages: &lt;spring:message code="studentContact.emergency.notification.${phone.notificationFlag}" /&gt;&lt;/div&gt; &lt;/c:if&gt; &lt;/c:otherwise&gt; </code></pre> <p><strong>/StudentWebMVC/src/main/webapp/WEB-INF/functions.tld</strong></p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8" ?&gt; &lt;taglib xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-jsptaglibrary_2_1.xsd" version="2.1"&gt; &lt;display-name&gt;phoneFormatUtil&lt;/display-name&gt; &lt;tlib-version&gt;1.0&lt;/tlib-version&gt; &lt;short-name&gt;myPhoneFormat&lt;/short-name&gt; &lt;uri&gt;/StudentWebMVC/src/main/webapp/WEB-INF/tags/functions.tld&lt;/uri&gt; &lt;function&gt; &lt;name&gt;phoneFormat&lt;/name&gt; &lt;function-class&gt;/StudentWebMVC/src/main/java/edu/dt/studentweb/mvc/utils/PhoneFormatUtil.phoneFormat&lt;/function-class&gt; &lt;function-signature&gt;java.lang.String phoneFormat(java.lang.String)&lt;/function-signature&gt; &lt;/function&gt; &lt;/taglib&gt; </code></pre> <p><strong>/StudentWebMVC/src/main/java/edu/dt/studentweb/mvc/utils/PhoneFormatUtil.java</strong></p> <pre><code>public final class PhoneFormatUtil { static String exStr; public static java.lang.String phoneFormat(java.lang.String str) { MaskFormatter mf; try { mf = new MaskFormatter("###-###-####"); mf.setValueContainsLiteralCharacters(false); exStr = mf.valueToString(str); } catch (ParseException e) { e.printStackTrace(); } return exStr; } } </code></pre> <p>Thanks in advance for your help!</p>
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    1. USSotirios Delimanolis
    1. USNick Ruta
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