I can't do it, because appengine web.xml tells that it has 2.3 dtd version. And it's impossible to use 2.4 version in java appengine env. I will try these solutions http://forums.sun.com/thread.jspa?threadID=625802 found on forum.sun.com
P.S. Configuration is bad. Convention is better...( On Jun 21, 7:44 pm, "Serega.Sheypak" <serega.shey...@gmail.com> wrote: > Hello. I have a problem writing custom jsp-tag with attr which accepts > EL (ExpressionLanguage). > > Here is the LTD: > <?xml version="1.0" encoding="UTF-8"?> > <taglib version="2.0" xmlns="http://java.sun.com/xml/ns/j2ee"; > > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; > > xsi:schemaLocation="http://java.sun.com/xml/ns/j2eeweb- > jsptaglibrary_2_0.xsd"> > > <tlib-version>1.0</tlib-version> > <short-name>PrizeTags</short-name> > <uri>PrizeTags</uri> > > <tag> > <name>error</name> > <tagclass>ru.develbureau.server.tag.OutTag</tagclass> > <bodycontent>empty</bodycontent> > <info>Prints if something exists</info> > <attribute> > <name>value</name> > <required>true</required> > <rtexprvalue>true</rtexprvalue> > </attribute> > </tag> > > Here is the Tag code: > public class OutTag extends SimpleTagSupport{ > private static final long serialVersionUID = 1L; > String val = null; > > public void doTag() throws JspException { > try{ > PageContext pageContext = (PageContext) > getJspContext(); > JspWriter out = pageContext.getOut(); > if(val!=null){ > out.println(val); > System.out.println("val -> ["+val+"]"); > } > }catch (Exception e) { > System.out.println("doStartTag -> > ["+e.getMessage()+"]"); > } > } > > public void setValue(Object value){ > System.out.println("setValue -> ["+value+"]"); > if(value!=null && value instanceof String){ > String t = (String)value; > if(t.trim().length()>3){ > val = t; > } > } > } > > } > > Here is the putput: > setValue -> [${pageScope.clientRequest.name}] > val -> [${pageScope.clientRequest.name}] > > setValue -> [${clientRequest.name}] > val -> [${clientRequest.name}] > > So it doesn't want to EVAL incomming EL > > Here is the usage: > <jsp:useBean id="clientRequest" > scope="page" > type="ru.develbureau.client.model.ClientRequestTO" > > class="ru.develbureau.client.model.ClientRequestTO"> > <jsp:setProperty name="clientRequest" property="*" /> > </jsp:useBean> > > <!-- some code...--> > <input type="text" class="wideInput" name="name" value="<prize:out > value="${pageScope.clientRequest.name}" />"/> > OR > <input type="text" class="wideInput" name="name" value="<prize:out > value="${clientRequest.name}" />"/> > > NOTHING HELPS. > > It just prints ${clientRequest.name}. It doesn't want to EVAL expr. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---
