Author: husted
Date: Fri Feb 10 10:32:49 2006
New Revision: 376792
URL: http://svn.apache.org/viewcvs?rev=376792&view=rev
Log:
Checkstyle Roundup
* EL package reformatted with latest Jalopy settings. Stylistic changes only.
Modified:
struts/el/trunk/web/test/jspRedirector.jsp
struts/el/trunk/xdocs/index.xml
struts/el/trunk/xdocs/navigation.xml
struts/el/trunk/xdocs/struts-el.xml
Modified: struts/el/trunk/web/test/jspRedirector.jsp
URL:
http://svn.apache.org/viewcvs/struts/el/trunk/web/test/jspRedirector.jsp?rev=376792&r1=376791&r2=376792&view=diff
==============================================================================
--- struts/el/trunk/web/test/jspRedirector.jsp (original)
+++ struts/el/trunk/web/test/jspRedirector.jsp Fri Feb 10 10:32:49 2006
@@ -1,7 +1,8 @@
-<[EMAIL PROTECTED] import="org.apache.cactus.server.*,
- org.apache.cactus.util.log.LogService" session="true" %><%
+<%@ page import="org.apache.cactus.server.JspImplicitObjects,
+ org.apache.cactus.server.JspTestRedirector" session="true" %>
+<%
- /**
+ /**
*
* Note:
* It is very important not to put any character between the end
@@ -20,8 +21,7 @@
/**
* Initialise logging if not already initialised
*/
- if (!LogService.getInstance().isInitialized())
- {
+ if (!LogService.getInstance().isInitialized()) {
LogService.getInstance().init("/log_server.properties");
}
Modified: struts/el/trunk/xdocs/index.xml
URL:
http://svn.apache.org/viewcvs/struts/el/trunk/xdocs/index.xml?rev=376792&r1=376791&r2=376792&view=diff
==============================================================================
--- struts/el/trunk/xdocs/index.xml (original)
+++ struts/el/trunk/xdocs/index.xml Fri Feb 10 10:32:49 2006
@@ -17,114 +17,200 @@
// ======================================================================== 78
-->
<document>
-<properties>
- <title>Welcome</title>
- </properties>
-
- <body>
-
- <section name="Welcome to Struts EL">
- <a name="welcome"/>
-
-<p>
-This subproject is an extension of the Struts tag library. Each JSP custom tag
-in this library is a subclass of an associated tag in the Struts tag library.
-One difference is that this tag library does not use "rtexprvalues", it uses
-the expression evaluation engine in the Jakarta Taglibs implementation of the
-JSP Standard Tag Library (version 1.0) to evaluate attribute values.
-</p>
-<p>
-In addition, some of the Struts tags were not ported to this library, as it was
-determined that their functionality was entirely supplied by the JSTL. These
-particular Struts tags, and the reason for their non-porting will be described
-in the documentation for this library.
-</p>
-<p>
-In order to fully understand the correct utilization of this library, you must
-understand the use and operation of the Struts tag library, and the use and
-operation of the JavaServer Pages Standard Tag Library (hereafter called the
-"JSTL"), along with the expression language (sometimes called the "EL") used
-for evaluating attribute values.
-</p>
-</section>
-
-<section name="Tag Mapping">
-<p>
-In implementing the Struts-EL library, every Struts tag that provides a feature
-that is not covered by the JSTL (1.0) library is mapped into the Struts-EL
-library. This section reviews which Struts tags are NOT implemented in the
-Struts-EL library, and which JSTL tags provide that feature.
-</p>
-<p>
-Many of the non-porting decisions were based on the fact that the JSTL
-expression language itself provides the same functionality. In those cases, in
-addition to a possible JSTL tag name, the symbol "EL" will be listed.
-</p>
-<subsection name="Bean Tag Library Tags NOT Implemented in Struts-EL">
-<table>
-<tr><th>Struts Tag</th><th>JSTL Tag</th></tr>
-<tr><td>cookie</td><td>c:set, EL</td></tr>
-<tr><td>define</td><td>c:set, EL</td></tr>
-<tr><td>header</td><td>c:set, EL</td></tr>
-<tr><td>include</td><td>c:import</td></tr>
-<tr><td>parameter</td><td>c:set, EL</td></tr>
-<tr><td>write</td><td>c:out</td></tr>
-</table>
-</subsection>
-
-<subsection name="Logic Tag Library Tags NOT Implemented in Struts-EL">
-<table>
-<tr><th>Struts Tag</th><th>JSTL Tag</th></tr>
-<tr><td>empty</td><td>c:if, c:when, EL</td></tr>
-<tr><td>equal</td><td>c:if, c:when, EL</td></tr>
-<tr><td>greaterEqual</td><td>c:if, c:when, EL</td></tr>
-<tr><td>greaterThan</td><td>c:if, c:when, EL</td></tr>
-<tr><td>lessEqual</td><td>c:if, c:when, EL</td></tr>
-<tr><td>lessThan</td><td>c:if, c:when, EL</td></tr>
-<tr><td>notEmpty</td><td>c:if, c:when, EL</td></tr>
-<tr><td>notEqual</td><td>c:if, c:when, EL</td></tr>
-</table>
-<p>
-(Note that the "iterate" tag was originally ported, even with the presence of
-the "c:forEach" tag, as the "indexed tag" functionality was not supported when
-using "c:forEach" instead of "logic:iterate". This has since been rectified,
-such that the "indexed tag" functionality checks for being contained in a
-"c:forEach" tag, in addition to the "logic:iterate" tag. However, the ported
-"iterate" tag has not been removed from Struts-EL, for backward compatibility.)
-</p>
-</subsection>
-
-<subsection name="Html Tag Library Tags NOT Implemented in Struts-EL">
-<p>
-None (all of them were ported).
-</p>
-</subsection>
-</section>
-
-<section name="Attribute Mapping">
-<p>
-At this point of the implementation, there is only one change (to two similar
-tags) to the set of attributes between the Struts tags, and the Struts-EL tags.
-The "logic:match" and "logic:notMatch" tags have an additional attribute named
-"expr", which can take any value, and will be used as the value to compare
-against, in addition to the choices of "cookie", "header", "name"/"property",
-and "parameter".
-</p>
-</section>
-
-<section name="Usage Requirements">
-<p>
-The Struts-EL tag library requires the use of the Struts tag library, and the
-Java Server Pages Standard Tag Library. It is not necessary for JSP pages
-using the Struts-EL tag library to also use the Struts tags or the JSTL tags,
-but the Struts and JSTL tag libraries need to be part of the application
-utilizing the Struts-EL tag library.
-</p>
-<p>
-This is because the Struts-EL tag classes are all subclasses of Struts tag
-classes, and their implementation uses classes provided by the JSTL.
-</p>
-</section>
-</body>
+ <properties>
+ <title>Welcome</title>
+ </properties>
+
+ <body>
+
+ <section name="Welcome to Struts EL">
+ <a name="welcome"/>
+
+ <p>
+ This subproject is an extension of the Struts tag library.
+ Each JSP custom tag
+ in this library is a subclass of an associated tag in the
+ Struts tag library.
+ One difference is that this tag library does not use
+ "rtexprvalues", it uses
+ the expression evaluation engine in the Jakarta Taglibs
+ implementation of the
+ JSP Standard Tag Library (version 1.0) to evaluate attribute
+ values.
+ </p>
+ <p>
+ In addition, some of the Struts tags were not ported to this
+ library, as it was
+ determined that their functionality was entirely supplied by
+ the JSTL. These
+ particular Struts tags, and the reason for their non-porting
+ will be described
+ in the documentation for this library.
+ </p>
+ <p>
+ In order to fully understand the correct utilization of this
+ library, you must
+ understand the use and operation of the Struts tag library,
+ and the use and
+ operation of the JavaServer Pages Standard Tag Library
+ (hereafter called the
+ "JSTL"), along with the expression language (sometimes called
+ the "EL") used
+ for evaluating attribute values.
+ </p>
+ </section>
+
+ <section name="Tag Mapping">
+ <p>
+ In implementing the Struts-EL library, every Struts tag that
+ provides a feature
+ that is not covered by the JSTL (1.0) library is mapped into
+ the Struts-EL
+ library. This section reviews which Struts tags are NOT
+ implemented in the
+ Struts-EL library, and which JSTL tags provide that feature.
+ </p>
+ <p>
+ Many of the non-porting decisions were based on the fact that
+ the JSTL
+ expression language itself provides the same functionality. In
+ those cases, in
+ addition to a possible JSTL tag name, the symbol "EL" will be
+ listed.
+ </p>
+ <subsection
+ name="Bean Tag Library Tags NOT Implemented in Struts-EL">
+ <table>
+ <tr>
+ <th>Struts Tag</th>
+ <th>JSTL Tag</th>
+ </tr>
+ <tr>
+ <td>cookie</td>
+ <td>c:set, EL</td>
+ </tr>
+ <tr>
+ <td>define</td>
+ <td>c:set, EL</td>
+ </tr>
+ <tr>
+ <td>header</td>
+ <td>c:set, EL</td>
+ </tr>
+ <tr>
+ <td>include</td>
+ <td>c:import</td>
+ </tr>
+ <tr>
+ <td>parameter</td>
+ <td>c:set, EL</td>
+ </tr>
+ <tr>
+ <td>write</td>
+ <td>c:out</td>
+ </tr>
+ </table>
+ </subsection>
+
+ <subsection
+ name="Logic Tag Library Tags NOT Implemented in Struts-EL">
+ <table>
+ <tr>
+ <th>Struts Tag</th>
+ <th>JSTL Tag</th>
+ </tr>
+ <tr>
+ <td>empty</td>
+ <td>c:if, c:when, EL</td>
+ </tr>
+ <tr>
+ <td>equal</td>
+ <td>c:if, c:when, EL</td>
+ </tr>
+ <tr>
+ <td>greaterEqual</td>
+ <td>c:if, c:when, EL</td>
+ </tr>
+ <tr>
+ <td>greaterThan</td>
+ <td>c:if, c:when, EL</td>
+ </tr>
+ <tr>
+ <td>lessEqual</td>
+ <td>c:if, c:when, EL</td>
+ </tr>
+ <tr>
+ <td>lessThan</td>
+ <td>c:if, c:when, EL</td>
+ </tr>
+ <tr>
+ <td>notEmpty</td>
+ <td>c:if, c:when, EL</td>
+ </tr>
+ <tr>
+ <td>notEqual</td>
+ <td>c:if, c:when, EL</td>
+ </tr>
+ </table>
+ <p>
+ (Note that the "iterate" tag was originally ported, even
+ with the presence of
+ the "c:forEach" tag, as the "indexed tag" functionality
+ was not supported when
+ using "c:forEach" instead of "logic:iterate". This has
+ since been rectified,
+ such that the "indexed tag" functionality checks for being
+ contained in a
+ "c:forEach" tag, in addition to the "logic:iterate" tag.
+ However, the ported
+ "iterate" tag has not been removed from Struts-EL, for
+ backward compatibility.)
+ </p>
+ </subsection>
+
+ <subsection
+ name="Html Tag Library Tags NOT Implemented in Struts-EL">
+ <p>
+ None (all of them were ported).
+ </p>
+ </subsection>
+ </section>
+
+ <section name="Attribute Mapping">
+ <p>
+ At this point of the implementation, there is only one change
+ (to two similar
+ tags) to the set of attributes between the Struts tags, and
+ the Struts-EL tags.
+ The "logic:match" and "logic:notMatch" tags have an additional
+ attribute named
+ "expr", which can take any value, and will be used as the
+ value to compare
+ against, in addition to the choices of "cookie", "header",
+ "name"/"property",
+ and "parameter".
+ </p>
+ </section>
+
+ <section name="Usage Requirements">
+ <p>
+ The Struts-EL tag library requires the use of the Struts tag
+ library, and the
+ Java Server Pages Standard Tag Library. It is not necessary
+ for JSP pages
+ using the Struts-EL tag library to also use the Struts tags or
+ the JSTL tags,
+ but the Struts and JSTL tag libraries need to be part of the
+ application
+ utilizing the Struts-EL tag library.
+ </p>
+ <p>
+ This is because the Struts-EL tag classes are all subclasses
+ of Struts tag
+ classes, and their implementation uses classes provided by the
+ JSTL.
+ </p>
+ </section>
+ </body>
</document>
Modified: struts/el/trunk/xdocs/navigation.xml
URL:
http://svn.apache.org/viewcvs/struts/el/trunk/xdocs/navigation.xml?rev=376792&r1=376791&r2=376792&view=diff
==============================================================================
--- struts/el/trunk/xdocs/navigation.xml (original)
+++ struts/el/trunk/xdocs/navigation.xml Fri Feb 10 10:32:49 2006
@@ -1,13 +1,13 @@
<?xml version="1.0" encoding="ISO-8859-1"?>
<project name="Struts EL">
-<title>Apache Struts - Struts EL</title>
+ <title>Apache Struts - Struts EL</title>
<body>
<menu name="Struts EL Taglib">
- <item name="Welcome" href="index.html"/>
+ <item name="Welcome" href="index.html"/>
<item name="FAQ" href="struts-el.html"/>
</menu>
<menu name="Struts EL Taglib Reference">
- <item name="Bean EL" href="tagreference-struts-bean-el.html"/>
+ <item name="Bean EL" href="tagreference-struts-bean-el.html"/>
<item name="HTML EL" href="tagreference-struts-html-el.html"/>
<item name="Logic EL" href="tagreference-struts-logic-el.html"/>
<item name="Tiles EL" href="tagreference-struts-tiles-el.html"/>
Modified: struts/el/trunk/xdocs/struts-el.xml
URL:
http://svn.apache.org/viewcvs/struts/el/trunk/xdocs/struts-el.xml?rev=376792&r1=376791&r2=376792&view=diff
==============================================================================
--- struts/el/trunk/xdocs/struts-el.xml (original)
+++ struts/el/trunk/xdocs/struts-el.xml Fri Feb 10 10:32:49 2006
@@ -17,204 +17,320 @@
// ======================================================================== 78
-->
<document>
-<properties>
-<title>FAQ</title>
-</properties>
-<body>
-<section href="faq" name="Struts EL Extension">
-
- <subsection name="Preface">
-
- <p>
- The <strong>Struts-EL</strong> tag library is a contributed library in
- the Struts distribution.
- It represents an integration of the Struts tag library with the JavaServer
- Pages Standard Tag Library, or at least the "expression evaluation"
- engine that is used by the JSTL.
- </p>
-
- <p>
- The base Struts Taglib contains tags which rely on the evaluation
- of "rtexprvalue"s (runtime scriptlet expressions) to evaluate dynamic
- attribute values. For instance, to print a message from a properties
- file based on a resource key, you would use the
- <code>bean:write</code> tag, perhaps like this:</p>
- <source>
- <![CDATA[<bean:message key='<%= stringvar %>'/>]]>
- </source>
-
- <p>
- This assumes that <code>stringvar</code> exists as a JSP scripting
- variable. If you're using the <strong>Struts-EL</strong> library, the
- reference looks very similar, but slightly different, like this:</p>
- <source>
- <![CDATA[<bean-el:message key="${stringvar}"/>]]>
- </source>
-
- <p>
- If you want to know how to properly use the <strong>Struts-EL</strong>
- tag library, there are two important things you need to know:
- </p>
-
- <ul>
-
- <li>
- The Struts Taglib
- </li>
-
- <li>
- The JavaServer Pages Standard tag library
- </li>
-
- </ul>
-
-
- <p>
- Once you understand how to use these two, consider the Struts Taglib
- attribute values being evaluated the same way the JSTL tag attribute
- values are.
- Past that, there is very little else you need to know to effectively use
- the <strong>Struts-EL</strong> tag library.
- </p>
-
- <p>
- Although the <strong>Struts-EL</strong> tag library is a direct "port"
- of the tags from the Struts Taglib, not all of the tags in the
- Struts Taglib were implemented in the <strong>Struts-EL</strong>
- tag library.
- This was the case if it was clear that the functionality of a particular
- Struts tag could be entirely fulfilled by a tag in the JSTL.
- It is assumed that developers will want to use the
- <strong>Struts-EL</strong> tag library along with the JSTL, so it is
- reasonable to assume that they will use tags from the JSTL if they
- fill their needs.
- </p>
-
-</subsection>
-
-
- <subsection name="Introduction">
-
- <p>
- This subproject is an extension of Struts Taglib. Each JSP custom tag
- in this library is a subclass of an associated tag in Struts Taglib.
- One difference is that this tag library does not use "rtexprvalues", it
uses
- the expression evaluation engine in the Jakarta Taglibs implementation
of the
- JSP Standard Tag Library (version 1.0) to evaluate attribute values.
- </p>
-
- <p>
- In addition, some of the Struts tags were not ported to this library,
as it was
- determined that their functionality was entirely supplied by the JSTL.
These
- particular Struts tags, and the reason for their non-porting will be
described
- in the documentation for this library.
- </p>
-
- <p>
- In order to fully understand the correct utilization of this library,
you must
- understand the use and operation of Struts Taglib, and the use and
- operation of the JavaServer Pages Standard Tag Library (hereafter
called the
- "JSTL"), along with the expression language (sometimes called the "EL")
used
- for evaluating attribute values.
- </p>
-
- </subsection>
-
- <a name="TagMapping"/>
- <subsection name="Tag Mapping">
-
- <p>
- In implementing the Struts-EL library, every Struts tag that provides a
feature
- that is not covered by the JSTL (1.0) library is mapped into the
Struts-EL
- library. This section reviews which Struts tags are NOT implemented in
the
- Struts-EL library, and which JSTL tags provide that feature.
- </p>
-
- <p>
- Many of the non-porting decisions were based on the fact that the JSTL
- expression language itself provides the same functionality. In those
cases, in
- addition to a possible JSTL tag name, the symbol "EL" will be listed.
- </p>
-
- <p>
- <strong> Bean Tags NOT Implemented in Struts-EL</strong>
- </p>
-
- <table>
- <tr><th>Struts Tag</th><th>JSTL Tag</th></tr>
- <tr><td>cookie</td><td>c:set, EL</td></tr>
- <tr><td>define</td><td>c:set, EL</td></tr>
- <tr><td>header</td><td>c:set, EL</td></tr>
- <tr><td>include</td><td>c:import</td></tr>
- <tr><td>parameter</td><td>c:set, EL</td></tr>
- <tr><td>write</td><td> c:out</td></tr>
- </table>
-
- <p>
- <strong>Logic Tags NOT Implemented in Struts-EL</strong>
- </p>
-
- <table>
- <tr><th>Struts Tag</th><th>JSTL Tag</th></tr>
- <tr><td>empty</td><td>c:if, c:when, EL</td></tr>
- <tr><td>equal</td><td>c:if, c:when, EL</td></tr>
- <tr><td>greaterEqual</td><td>c:if, c:when, EL</td></tr>
- <tr><td>greaterThan</td><td>c:if, c:when, EL</td></tr>
- <tr><td>lessEqual</td><td>c:if, c:when, EL</td></tr>
- <tr><td>lessThan</td><td>c:if, c:when, EL</td></tr>
- <tr><td>notEmpty</td><td>c:if, c:when, EL</td></tr>
- <tr><td>notEqual</td><td>c:if, c:when, EL</td></tr>
- </table>
-
- <p>
- (Note that the "iterate" tag was originally ported, even with the
presence of
- the "c:forEach" tag, as the "indexed tag" functionality was not
supported when
- using "c:forEach" instead of "logic:iterate". This has since been
rectified,
- such that the "indexed tag" functionality checks for being contained in
a
- "c:forEach" tag, in addition to the "logic:iterate" tag. However, the
ported
- "iterate" tag has not been removed from Struts-EL, for backward
compatibility.)
- </p>
-
- <p>
- <strong>HTML Tags NOT Implemented in Struts-EL</strong>
- </p>
-
- <p>
- None (all of them were ported).
- </p>
-
- </subsection>
-
- <a name="AttributeMapping"/>
- <subsection name="Attribute Mapping">
-
- <p>
- At this point of the implementation, there is only one change (to two
similar
- tags) to the set of attributes between the Struts Taglib tags and the
Struts-EL tags.
- The "logic:match" and "logic:notMatch" tags have an additional
attribute named
- "expr", which can take any value, and will be used as the value to
compare
- against, in addition to the choices of "cookie", "header",
"name"/"property",
- and "parameter".
- </p>
-
- </subsection>
-
- <a name="UsageRequirements"/>
- <subsection name="Usage Requirements">
-
- <p>
- The Struts-EL tag library requires the use of Struts Taglib, and the
- Java Server Pages Standard Tag Library. It is not necessary for JSP
pages
- using the Struts-EL tag library to also use the Struts tags or the JSTL
tags,
- but the Struts and JSTL tag libraries need to be part of the application
- utilizing the Struts-EL tag library.
- </p>
-
- <p>
- This is because the Struts-EL tag classes are all subclasses of Struts
tag
- classes, and their implementation uses classes provided by the JSTL.
- </p>
-
- </subsection>
-
-</section></body></document>
+ <properties>
+ <title>FAQ</title>
+ </properties>
+ <body>
+ <section href="faq" name="Struts EL Extension">
+
+ <subsection name="Preface">
+
+ <p>
+ The
+ <strong>Struts-EL</strong>
+ tag library is a contributed library in
+ the Struts distribution.
+ It represents an integration of the Struts tag library
+ with the JavaServer
+ Pages Standard Tag Library, or at least the "expression
+ evaluation"
+ engine that is used by the JSTL.
+ </p>
+
+ <p>
+ The base Struts Taglib contains tags which rely on the
+ evaluation
+ of "rtexprvalue"s (runtime scriptlet expressions) to
+ evaluate dynamic
+ attribute values. For instance, to print a message from a
+ properties
+ file based on a resource key, you would use the
+ <code>bean:write</code>
+ tag, perhaps like this:
+ </p>
+ <source>
+ <![CDATA[<bean:message key='<%= stringvar %>'/>]]>
+ </source>
+
+ <p>
+ This assumes that
+ <code>stringvar</code>
+ exists as a JSP scripting
+ variable. If you're using the
+ <strong>Struts-EL</strong>
+ library, the
+ reference looks very similar, but slightly different, like
+ this:
+ </p>
+ <source>
+ <![CDATA[<bean-el:message key="${stringvar}"/>]]>
+ </source>
+
+ <p>
+ If you want to know how to properly use the
+ <strong>Struts-EL</strong>
+ tag library, there are two important things you need to
+ know:
+ </p>
+
+ <ul>
+
+ <li>
+ The Struts Taglib
+ </li>
+
+ <li>
+ The JavaServer Pages Standard tag library
+ </li>
+
+ </ul>
+
+
+ <p>
+ Once you understand how to use these two, consider the
+ Struts Taglib
+ attribute values being evaluated the same way the JSTL tag
+ attribute
+ values are.
+ Past that, there is very little else you need to know to
+ effectively use
+ the
+ <strong>Struts-EL</strong>
+ tag library.
+ </p>
+
+ <p>
+ Although the
+ <strong>Struts-EL</strong>
+ tag library is a direct "port"
+ of the tags from the Struts Taglib, not all of the tags in
+ the
+ Struts Taglib were implemented in the
+ <strong>Struts-EL</strong>
+ tag library.
+ This was the case if it was clear that the functionality
+ of a particular
+ Struts tag could be entirely fulfilled by a tag in the
+ JSTL.
+ It is assumed that developers will want to use the
+ <strong>Struts-EL</strong>
+ tag library along with the JSTL, so it is
+ reasonable to assume that they will use tags from the JSTL
+ if they
+ fill their needs.
+ </p>
+
+ </subsection>
+
+
+ <subsection name="Introduction">
+
+ <p>
+ This subproject is an extension of Struts Taglib. Each JSP
+ custom tag
+ in this library is a subclass of an associated tag in
+ Struts Taglib.
+ One difference is that this tag library does not use
+ "rtexprvalues", it uses
+ the expression evaluation engine in the Jakarta Taglibs
+ implementation of the
+ JSP Standard Tag Library (version 1.0) to evaluate
+ attribute values.
+ </p>
+
+ <p>
+ In addition, some of the Struts tags were not ported to
+ this library, as it was
+ determined that their functionality was entirely supplied
+ by the JSTL. These
+ particular Struts tags, and the reason for their
+ non-porting will be described
+ in the documentation for this library.
+ </p>
+
+ <p>
+ In order to fully understand the correct utilization of
+ this library, you must
+ understand the use and operation of Struts Taglib, and the
+ use and
+ operation of the JavaServer Pages Standard Tag Library
+ (hereafter called the
+ "JSTL"), along with the expression language (sometimes
+ called the "EL") used
+ for evaluating attribute values.
+ </p>
+
+ </subsection>
+
+ <a name="TagMapping"/>
+ <subsection name="Tag Mapping">
+
+ <p>
+ In implementing the Struts-EL library, every Struts tag
+ that provides a feature
+ that is not covered by the JSTL (1.0) library is mapped
+ into the Struts-EL
+ library. This section reviews which Struts tags are NOT
+ implemented in the
+ Struts-EL library, and which JSTL tags provide that
+ feature.
+ </p>
+
+ <p>
+ Many of the non-porting decisions were based on the fact
+ that the JSTL
+ expression language itself provides the same
+ functionality. In those cases, in
+ addition to a possible JSTL tag name, the symbol "EL" will
+ be listed.
+ </p>
+
+ <p>
+ <strong>Bean Tags NOT Implemented in Struts-EL</strong>
+ </p>
+
+ <table>
+ <tr>
+ <th>Struts Tag</th>
+ <th>JSTL Tag</th>
+ </tr>
+ <tr>
+ <td>cookie</td>
+ <td>c:set, EL</td>
+ </tr>
+ <tr>
+ <td>define</td>
+ <td>c:set, EL</td>
+ </tr>
+ <tr>
+ <td>header</td>
+ <td>c:set, EL</td>
+ </tr>
+ <tr>
+ <td>include</td>
+ <td>c:import</td>
+ </tr>
+ <tr>
+ <td>parameter</td>
+ <td>c:set, EL</td>
+ </tr>
+ <tr>
+ <td>write</td>
+ <td>c:out</td>
+ </tr>
+ </table>
+
+ <p>
+ <strong>Logic Tags NOT Implemented in Struts-EL</strong>
+ </p>
+
+ <table>
+ <tr>
+ <th>Struts Tag</th>
+ <th>JSTL Tag</th>
+ </tr>
+ <tr>
+ <td>empty</td>
+ <td>c:if, c:when, EL</td>
+ </tr>
+ <tr>
+ <td>equal</td>
+ <td>c:if, c:when, EL</td>
+ </tr>
+ <tr>
+ <td>greaterEqual</td>
+ <td>c:if, c:when, EL</td>
+ </tr>
+ <tr>
+ <td>greaterThan</td>
+ <td>c:if, c:when, EL</td>
+ </tr>
+ <tr>
+ <td>lessEqual</td>
+ <td>c:if, c:when, EL</td>
+ </tr>
+ <tr>
+ <td>lessThan</td>
+ <td>c:if, c:when, EL</td>
+ </tr>
+ <tr>
+ <td>notEmpty</td>
+ <td>c:if, c:when, EL</td>
+ </tr>
+ <tr>
+ <td>notEqual</td>
+ <td>c:if, c:when, EL</td>
+ </tr>
+ </table>
+
+ <p>
+ (Note that the "iterate" tag was originally ported, even
+ with the presence of
+ the "c:forEach" tag, as the "indexed tag" functionality
+ was not supported when
+ using "c:forEach" instead of "logic:iterate". This has
+ since been rectified,
+ such that the "indexed tag" functionality checks for being
+ contained in a
+ "c:forEach" tag, in addition to the "logic:iterate" tag.
+ However, the ported
+ "iterate" tag has not been removed from Struts-EL, for
+ backward compatibility.)
+ </p>
+
+ <p>
+ <strong>HTML Tags NOT Implemented in Struts-EL</strong>
+ </p>
+
+ <p>
+ None (all of them were ported).
+ </p>
+
+ </subsection>
+
+ <a name="AttributeMapping"/>
+ <subsection name="Attribute Mapping">
+
+ <p>
+ At this point of the implementation, there is only one
+ change (to two similar
+ tags) to the set of attributes between the Struts Taglib
+ tags and the Struts-EL tags.
+ The "logic:match" and "logic:notMatch" tags have an
+ additional attribute named
+ "expr", which can take any value, and will be used as the
+ value to compare
+ against, in addition to the choices of "cookie", "header",
+ "name"/"property",
+ and "parameter".
+ </p>
+
+ </subsection>
+
+ <a name="UsageRequirements"/>
+ <subsection name="Usage Requirements">
+
+ <p>
+ The Struts-EL tag library requires the use of Struts
+ Taglib, and the
+ Java Server Pages Standard Tag Library. It is not
+ necessary for JSP pages
+ using the Struts-EL tag library to also use the Struts
+ tags or the JSTL tags,
+ but the Struts and JSTL tag libraries need to be part of
+ the application
+ utilizing the Struts-EL tag library.
+ </p>
+
+ <p>
+ This is because the Struts-EL tag classes are all
+ subclasses of Struts tag
+ classes, and their implementation uses classes provided by
+ the JSTL.
+ </p>
+
+ </subsection>
+
+ </section>
+ </body>
+</document>
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