Modified: struts/el/trunk/src/java/org/apache/strutsel/taglib/logic/ELRedirectTagBeanInfo.java URL: http://svn.apache.org/viewcvs/struts/el/trunk/src/java/org/apache/strutsel/taglib/logic/ELRedirectTagBeanInfo.java?rev=376780&r1=376779&r2=376780&view=diff ============================================================================== --- struts/el/trunk/src/java/org/apache/strutsel/taglib/logic/ELRedirectTagBeanInfo.java (original) +++ struts/el/trunk/src/java/org/apache/strutsel/taglib/logic/ELRedirectTagBeanInfo.java Fri Feb 10 10:09:22 2006 @@ -1,106 +1,129 @@ /* - * $Id$ + * $Id$ * * Copyright 1999-2004 The Apache Software Foundation. - * + * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at - * + * * http://www.apache.org/licenses/LICENSE-2.0 - * + * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ - package org.apache.strutsel.taglib.logic; -import java.beans.PropertyDescriptor; import java.beans.IntrospectionException; -import java.util.ArrayList; +import java.beans.PropertyDescriptor; import java.beans.SimpleBeanInfo; +import java.util.ArrayList; + /** * This is the <code>BeanInfo</code> descriptor for the * <code>org.apache.strutsel.taglib.logic.ELRedirectTag</code> class. It is * needed to override the default mapping of custom tag attribute names to - * class attribute names. - *<p> - * This is because the value of the unevaluated EL expression has to be kept - * separately from the evaluated value, which is stored in the base class. This - * is related to the fact that the JSP compiler can choose to reuse different - * tag instances if they received the same original attribute values, and the - * JSP compiler can choose to not re-call the setter methods, because it can - * assume the same values are already set. + * class attribute names. <p> This is because the value of the unevaluated EL + * expression has to be kept separately from the evaluated value, which is + * stored in the base class. This is related to the fact that the JSP compiler + * can choose to reuse different tag instances if they received the same + * original attribute values, and the JSP compiler can choose to not re-call + * the setter methods, because it can assume the same values are already set. */ -public class ELRedirectTagBeanInfo extends SimpleBeanInfo -{ - public PropertyDescriptor[] getPropertyDescriptors() - { +public class ELRedirectTagBeanInfo extends SimpleBeanInfo { + public PropertyDescriptor[] getPropertyDescriptors() { ArrayList proplist = new ArrayList(); try { proplist.add(new PropertyDescriptor("action", ELRedirectTag.class, - null, "setActionExpr")); - } catch (IntrospectionException ex) {} + null, "setActionExpr")); + } catch (IntrospectionException ex) { + } + try { proplist.add(new PropertyDescriptor("anchor", ELRedirectTag.class, - null, "setAnchorExpr")); - } catch (IntrospectionException ex) {} + null, "setAnchorExpr")); + } catch (IntrospectionException ex) { + } + try { proplist.add(new PropertyDescriptor("forward", ELRedirectTag.class, - null, "setForwardExpr")); - } catch (IntrospectionException ex) {} + null, "setForwardExpr")); + } catch (IntrospectionException ex) { + } + try { proplist.add(new PropertyDescriptor("href", ELRedirectTag.class, - null, "setHrefExpr")); - } catch (IntrospectionException ex) {} + null, "setHrefExpr")); + } catch (IntrospectionException ex) { + } + try { proplist.add(new PropertyDescriptor("name", ELRedirectTag.class, - null, "setNameExpr")); - } catch (IntrospectionException ex) {} + null, "setNameExpr")); + } catch (IntrospectionException ex) { + } + try { proplist.add(new PropertyDescriptor("page", ELRedirectTag.class, - null, "setPageExpr")); - } catch (IntrospectionException ex) {} + null, "setPageExpr")); + } catch (IntrospectionException ex) { + } + try { proplist.add(new PropertyDescriptor("paramId", ELRedirectTag.class, - null, "setParamIdExpr")); - } catch (IntrospectionException ex) {} + null, "setParamIdExpr")); + } catch (IntrospectionException ex) { + } + + try { + proplist.add(new PropertyDescriptor("paramName", + ELRedirectTag.class, null, "setParamNameExpr")); + } catch (IntrospectionException ex) { + } + + try { + proplist.add(new PropertyDescriptor("paramProperty", + ELRedirectTag.class, null, "setParamPropertyExpr")); + } catch (IntrospectionException ex) { + } + + try { + proplist.add(new PropertyDescriptor("paramScope", + ELRedirectTag.class, null, "setParamScopeExpr")); + } catch (IntrospectionException ex) { + } + try { - proplist.add(new PropertyDescriptor("paramName", ELRedirectTag.class, - null, "setParamNameExpr")); - } catch (IntrospectionException ex) {} - try { - proplist.add(new PropertyDescriptor("paramProperty", ELRedirectTag.class, - null, "setParamPropertyExpr")); - } catch (IntrospectionException ex) {} - try { - proplist.add(new PropertyDescriptor("paramScope", ELRedirectTag.class, - null, "setParamScopeExpr")); - } catch (IntrospectionException ex) {} - try { - proplist.add(new PropertyDescriptor("property", ELRedirectTag.class, - null, "setPropertyExpr")); - } catch (IntrospectionException ex) {} + proplist.add(new PropertyDescriptor("property", + ELRedirectTag.class, null, "setPropertyExpr")); + } catch (IntrospectionException ex) { + } + try { proplist.add(new PropertyDescriptor("scope", ELRedirectTag.class, - null, "setScopeExpr")); - } catch (IntrospectionException ex) {} + null, "setScopeExpr")); + } catch (IntrospectionException ex) { + } + try { - proplist.add(new PropertyDescriptor("transaction", ELRedirectTag.class, - null, "setTransactionExpr")); - } catch (IntrospectionException ex) {} - try { - proplist.add(new PropertyDescriptor("useLocalEncoding", ELRedirectTag.class, - null, "setUseLocalEncodingExpr")); - } catch (IntrospectionException ex) {} - - PropertyDescriptor[] result = - new PropertyDescriptor[proplist.size()]; + proplist.add(new PropertyDescriptor("transaction", + ELRedirectTag.class, null, "setTransactionExpr")); + } catch (IntrospectionException ex) { + } + + try { + proplist.add(new PropertyDescriptor("useLocalEncoding", + ELRedirectTag.class, null, "setUseLocalEncodingExpr")); + } catch (IntrospectionException ex) { + } + + PropertyDescriptor[] result = new PropertyDescriptor[proplist.size()]; + return ((PropertyDescriptor[]) proplist.toArray(result)); } }
Modified: struts/el/trunk/src/java/org/apache/strutsel/taglib/logic/package.html URL: http://svn.apache.org/viewcvs/struts/el/trunk/src/java/org/apache/strutsel/taglib/logic/package.html?rev=376780&r1=376779&r2=376780&view=diff ============================================================================== --- struts/el/trunk/src/java/org/apache/strutsel/taglib/logic/package.html (original) +++ struts/el/trunk/src/java/org/apache/strutsel/taglib/logic/package.html Fri Feb 10 10:09:22 2006 @@ -1,101 +1,124 @@ <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> - <head> - <base/> - <title>Package Documentation for org.apache.strutsel.taglib.logic Package</title> - </head> - <body bgcolor="white"> - <p> - The "struts-logic-el" tag library contains tags that are useful in managing - conditional generation of output text, looping over object collections for - repetitive generation of output text, and application flow management. - </p> - <br> - <a name="doc.Description"></a> - <div align="Center"> - <a href="#doc.Intro">[Introduction]</a> - <a href="#doc.Functionality">[Logic-EL Functionality]</a> - <a href="#doc.Examples">[Logic-EL Examples]</a> - </div> - <hr> - <a name="doc.Intro"></a> - <h3>Introduction</h3> - <p> - The functionality of this tag library is entirely provided by the base - "struts-logic" tag library in the Struts distribution. This derived tag - library, "struts-logic-el", only provides a different way to evaluate - attribute values, which is using the JavaServer Pages Standard Tag Library - expression language engine, or the "JSTL EL" for short. - </p> - <p> - In general, the tags provided in the "struts-logic-el" library are a direct - mapping from the "struts-logic" tag library. However, there are several - tags in the base Struts tag library which were not "ported" to the - "struts-logic-el" tag library, as it was determined that all of their - functionality was provided by the JSTL. Information about these - "non-ported" tags is provided in the information for the - "org.apache.strutsel" package. - </p> - <p> - In addition, specific to the "struts-logic-el" library, two tags in this - library have one additional attribute over their counterpart in the base - Struts tag library. These tags are the <code>match</code> and - <code>notMatch</code> tags, and the additional attribute is named - <code>expr</code>, which is a value intended to be evaluated by the JSTL EL - engine. More details about these tags and their attributes is provided in - more detailed documentation about the package and its tags. - </p> - <a name="doc.Functionality"></a> - <h3>Logic-EL Functionality</h3> - <p> - The functionality of the "logic-el" tags can be almost entirely understood - from the documentation of the "struts-logic" base tag library. The only - exception is the new attribute added to the <code>match</code> and - <code>notMatch</code> tags, being the <code>expr</code> attribute. - </p> - <p> - The <code>match</code> and <code>notMatch</code> tags provide the ability to - check to see whether a specific value is (or is not) a substring of a value - obtained from either a cookie, request header, request parameter, or bean - property. The addition of the <code>expr</code> attribute allows the - obtained value to come from an arbitrary expression language value. - </p> - <a name="doc.Examples"></a> - <h3>Logic-EL Examples</h3> - <p> - The following are discrete examples of uses of the "logic-el" tags, in no - paticular order, but emphasizing the use of JSTL EL values as attribute - values. - </p> - <p><i>Example:</i></p> - <pre> - <logic-el:forward name="${forwardName}"/></pre> - <p><i>Example:</i></p> - <pre> - <%-- Iterates through all HTTP headers. --%> - <logic-el:iterate id="item" collection="${header}"> +<head> + <base/> + <title>Package Documentation for org.apache.strutsel.taglib.logic + Package</title> +</head> + +<body bgcolor="white"> +<p> + The "struts-logic-el" tag library contains tags that are useful in + managing + conditional generation of output text, looping over object collections for + repetitive generation of output text, and application flow management. +</p> +<br> +<a name="doc.Description"></a> + +<div align="Center"> + <a href="#doc.Intro">[Introduction]</a> + <a href="#doc.Functionality">[Logic-EL Functionality]</a> + <a href="#doc.Examples">[Logic-EL Examples]</a> +</div> +<hr> +<a name="doc.Intro"></a> + +<h3>Introduction</h3> + +<p> + The functionality of this tag library is entirely provided by the base + "struts-logic" tag library in the Struts distribution. This derived tag + library, "struts-logic-el", only provides a different way to evaluate + attribute values, which is using the JavaServer Pages Standard Tag Library + expression language engine, or the "JSTL EL" for short. +</p> + +<p> + In general, the tags provided in the "struts-logic-el" library are a + direct + mapping from the "struts-logic" tag library. However, there are several + tags in the base Struts tag library which were not "ported" to the + "struts-logic-el" tag library, as it was determined that all of their + functionality was provided by the JSTL. Information about these + "non-ported" tags is provided in the information for the + "org.apache.strutsel" package. +</p> + +<p> + In addition, specific to the "struts-logic-el" library, two tags in this + library have one additional attribute over their counterpart in the base + Struts tag library. These tags are the <code>match</code> and + <code>notMatch</code> tags, and the additional attribute is named + <code>expr</code>, which is a value intended to be evaluated by the JSTL + EL + engine. More details about these tags and their attributes is provided in + more detailed documentation about the package and its tags. +</p> +<a name="doc.Functionality"></a> + +<h3>Logic-EL Functionality</h3> + +<p> + The functionality of the "logic-el" tags can be almost entirely understood + from the documentation of the "struts-logic" base tag library. The only + exception is the new attribute added to the <code>match</code> and + <code>notMatch</code> tags, being the <code>expr</code> attribute. +</p> + +<p> + The <code>match</code> and <code>notMatch</code> tags provide the ability + to + check to see whether a specific value is (or is not) a substring of a + value + obtained from either a cookie, request header, request parameter, or bean + property. The addition of the <code>expr</code> attribute allows the + obtained value to come from an arbitrary expression language value. +</p> +<a name="doc.Examples"></a> + +<h3>Logic-EL Examples</h3> + +<p> + The following are discrete examples of uses of the "logic-el" tags, in no + paticular order, but emphasizing the use of JSTL EL values as attribute + values. +</p> + +<p><i>Example:</i></p> +<pre> + <logic-el:forward name="${forwardName}"/></pre> + +<p><i>Example:</i></p> +<pre> + <%-- Iterates through all HTTP headers. --%> + <logic-el:iterate id="item" collection="${header}"> <tr> - <td><c:out value="${item}.key"/></td> - <td><c:out value="${item}.value"/></td> + <td><c:out value="${item}.key"/></td> + <td><c:out value="${item}.value"/></td> </tr> - </logic-el:iterate></pre> - <p><i>Example:</i></p> - <pre> - <logic-el:match cookie="${cookieName}" value="${cookieValue}"> + </logic-el:iterate></pre> + +<p><i>Example:</i></p> +<pre> + <logic-el:match cookie="${cookieName}" value="${cookieValue}"> Match succeeded. - </logic-el:match></pre> - <p><i>Example:</i></p> - <pre> - <logic-el:match expr='${hash["foo"]}' value="${matchValue}"> + </logic-el:match></pre> + +<p><i>Example:</i></p> +<pre> + <logic-el:match expr='${hash["foo"]}' value="${matchValue}"> Match succeeded. - </logic-el:match></pre> - <p><i>Example:</i></p> - <pre> - <logic-el:messagesPresent property="${messageKey}"> + </logic-el:match></pre> + +<p><i>Example:</i></p> +<pre> + <logic-el:messagesPresent property="${messageKey}"> Message found. - </logic-el:messagesPresent></pre> - <p><i>Example:</i></p> - <pre> - <logic-el:redirect href="http://localhost:${portnum}/factory"; /> - </body> + </logic-el:messagesPresent></pre> + +<p><i>Example:</i></p> +<pre> + <logic-el:redirect href="http://localhost:${portnum}/factory"; /> +</body> </html> --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
