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| <h2 title="Interface JspIdConsumer" class="title">Interface JspIdConsumer</h2> |
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| <pre>public interface <span class="typeNameLabel">JspIdConsumer</span></pre> |
| <div class="block"><p> |
| This interface indicates to the container that a tag handler wishes to be provided with a compiler generated ID. |
| </p> |
| <p> |
| The container sets the <code>jspId</code> attribute of the tag handler with an identification string, as part of tag |
| property initialization. Each tag in a JSP page has a unique <code>jspId</code>, and a given tag in a JSP page always |
| has the same <code>jspId</code>, even for multiple requests to the page. |
| </p> |
| <p> |
| Tag handler instances that implement <code>JspIdConsumer</code> cannot be reused. |
| </p> |
| <p> |
| Even though the <code>jspId</code> attribute is similar in concept to the <code>jsp:id</code> attribute of an XML |
| view (see Section JSP.10.1.13 of the spec), they are not related. The <code>jsp:id</code> attribute is available only |
| at translation time, and the <code>jspId</code> attribute is available only at request time. |
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| The JSP container must provide a value for <code>jspId</code> that conforms to the following rules: |
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| <ul> |
| <li>It must start with a letter (as defined by the <code>Character.isLetter()</code> method) or underscore ('_'). |
| <li>Subsequent characters may be letters (as defined by the <code>Character.isLetter()</code> method), digits (as |
| defined by the <code>Character.isDigit()</code> method), dashes ('-'), or underscores ('_') |
| </ul> |
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| Note that the rules exclude colons ':' in a <code>jspId</code>, and that they are the same rules used for a component |
| ID in JavaServer Faces. |
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| <dd>JSP 2.1</dd> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../jakarta/servlet/jsp/tagext/JspIdConsumer.html#setJspId-java.lang.String-">setJspId</a></span>(java.lang.String id)</code> |
| <div class="block">Called by the container generated code to set a value for the jspId attribute.</div> |
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| <h4>setJspId</h4> |
| <pre>void setJspId(java.lang.String id)</pre> |
| <div class="block">Called by the container generated code to set a value for the jspId attribute. An unique identification string, |
| relative to this page, is generated at translation time.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>id</code> - The value to use for the jspId attribute</dd> |
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