How to disable loading of jsp object tag everytime
Hi,
We have loaded pdf image using applet viewer in JSP object.
paneltabbed->showdetailitem->verbatim->object.
Above is the flow of tags involved. Everytime i change the tab and come back to above tab, jsp object reloads.
How do I restrict it not to load everytime?
How do i catch the tab change event?
Any help towards this is much appreciated. Thanks in advance
Regards,
Pradeep
>
How do I restrict it not to load everytime?
>
I don't think that you can do this(this depends on browser and java plugin).
>
How do i catch the tab change event?
>
If you need to catch this event on client side(by javascript), you can attach af:clientListener with type="disclosure"
If you need to catch this event on server side, bind DisclosureListener to your bean
Dario
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__index.java:
package jsp_servlet;
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
public final class __index extends weblogic.servlet.jsp.JspBase implements weblogic.servlet.jsp.StaleIndicator {
private static void _releaseTags(javax.servlet.jsp.tagext.JspTag t) {
while (t != null) {
if(t instanceof javax.servlet.jsp.tagext.Tag) {
javax.servlet.jsp.tagext.Tag tmp = (javax.servlet.jsp.tagext.Tag)t;
t = ((javax.servlet.jsp.tagext.Tag) t).getParent();
try {
tmp.release();
} catch(Exception ignore) {}
else {
t = ((javax.servlet.jsp.tagext.SimpleTag)t).getParent();
public boolean _isStale(){
boolean stale = staticIsStale((weblogic.servlet.jsp.StaleChecker) getServletConfig().getServletContext());
return _stale;
public static boolean _staticIsStale(weblogic.servlet.jsp.StaleChecker sci) {
if (sci.isResourceStale("/index.jsp", 1207926672370L ,"9.2.2.0","America/Denver")) return true;
if (sci.isResourceStale("/null", 1207926783245L ,"9.2.2.0","America/Denver")) return true;
return false;
private static void _writeText(javax.servlet.ServletResponse rsp, javax.servlet.jsp.JspWriter out, String block, byte[] blockBytes)
throws java.io.IOException {
if (!_WL_ENCODED_BYTES_OK || _hasEncodingChanged(rsp)){
out.print(block);
} else {
((weblogic.servlet.jsp.ByteWriter)out).write(blockBytes, block);
private static boolean _hasEncodingChanged(javax.servlet.ServletResponse rsp){
String encoding = rsp.getCharacterEncoding();
if ( "ISO-8859-1".equals(encoding) || "Cp1252".equals(encoding) || "ISO8859_1".equals(encoding) || "ASCII".equals(encoding) ){
return false;
if (_WL_ORIGINAL_ENCODING.equals(encoding)) {
return false;
return true;
private static boolean WLENCODED_BYTES_OK = true;
private static final String WLORIGINAL_ENCODING = "ISO-8859-1";
private static byte[] _getBytes(String block){
try {
return block.getBytes(_WL_ORIGINAL_ENCODING);
} catch (java.io.UnsupportedEncodingException u){
WLENCODED_BYTES_OK = false;
return null;
private final static String wlblock0 ="<!--\n * $Id$\n-->\n \n<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \n\t\t\"http://www.w3.org/TR/html4/loose.dtd\">\n \n";
private final static byte[] wlblock0Bytes = getBytes( wl_block0 );
private final static String wlblock1 =" \n \n\t";
private final static byte[] wlblock1Bytes = getBytes( wl_block1 );
private final static String wlblock2 ="\n";
private final static byte[] wlblock2Bytes = getBytes( wl_block2 );
private final static String wlblock3 ="\n\n<html>\n<head>\n\t<meta http-equiv=\"Content-Type\" content=\"text/html; charset=ISO-8859-1\" />\n\n\t<title>Tag File Test</title>\n</head>\n<body> \n\t";
private final static byte[] wlblock3Bytes = getBytes( wl_block3 );
private final static String wlblock4 ="\n</body>\n</html>";
private final static byte[] wlblock4Bytes = getBytes( wl_block4 );
static private javelin.jsp.JspFunctionMapper jspxfnmap = javelin.jsp.JspFunctionMapper.getInstance();
public void _jspService(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
throws javax.servlet.ServletException, java.io.IOException {
javax.servlet.ServletConfig config = getServletConfig();
javax.servlet.ServletContext application = config.getServletContext();
javax.servlet.jsp.tagext.JspTag _activeTag = null;
Object page = this;
javax.servlet.jsp.JspWriter out;
javax.servlet.jsp.PageContext pageContext = javax.servlet.jsp.JspFactory.getDefaultFactory().getPageContext(this, request, response, null, true , 8192 , true );
response.setHeader("Content-Type", "text/html; charset=ISO-8859-1");
out = pageContext.getOut();
javax.servlet.jsp.JspWriter _originalOut = out;
javax.servlet.http.HttpSession session = request.getSession( true );
try {;
response.setContentType("text/html; charset=ISO-8859-1");
{_writeText(response, out, _wl_block0, _wl_block0Bytes);}
{_writeText(response, out, _wl_block1, _wl_block1Bytes);}
{_writeText(response, out, _wl_block2, _wl_block2Bytes);}
{_writeText(response, out, _wl_block3, _wl_block3Bytes);}
jsp_servlet._tags.__hello_tag __tag0 = null ;
int __result__tag0 = 0 ;
if (__tag0== null )__tag0 = new jsp_servlet._tags.__hello_tag ();
__tag0.setJspContext(pageContext);
__tag0.setParent(null);
activeTag=_tag0;
__tag0.doTag();
{_writeText(response, out, _wl_block4, _wl_block4Bytes);}
} catch (Throwable __ee){
if(!(__ee instanceof javax.servlet.jsp.SkipPageException)) {
while ((out != null) && (out != _originalOut)) out = pageContext.popBody();
releaseTags(activeTag);
pageContext.handlePageException(__ee);
__hello_tag.java:
package jsp_servlet . _tags ;
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
public final class __hello_tag extends javax.servlet.jsp.tagext.SimpleTagSupport {
private static void _releaseTags(javax.servlet.jsp.tagext.JspTag t) {
while (t != null) {
if(t instanceof javax.servlet.jsp.tagext.Tag) {
javax.servlet.jsp.tagext.Tag tmp = (javax.servlet.jsp.tagext.Tag)t;
t = ((javax.servlet.jsp.tagext.Tag) t).getParent();
try {
tmp.release();
} catch(Exception ignore) {}
else {
t = ((javax.servlet.jsp.tagext.SimpleTag)t).getParent();
public static boolean _staticIsStale(weblogic.servlet.jsp.StaleChecker sci) {
if (sci.isResourceStale("/META-INF/tags/hello.tag", 1207926783175L ,"9.2.2.0","America/Denver")) return true;
return false;
protected static final String tagxTagInfo = "-84,-19,0,5,116,0,5,104,101,108,108,111,116,0,29,106,115,112,95,115,101,114,118,108,101,116,46,95,116,97,103,115,46,95,95,104,101,108,108,111,95,116,97,103,116,0,5,101,109,112,116,121,112,112,112,112,119,5,0,0,0,0,3,116,0,10,106,115,112,67,111,110,116,101,120,116,119,1,0,116,0,28,106,97,118,97,120,46,115,101,114,118,108,101,116,46,106,115,112,46,74,115,112,67,111,110,116,101,120,116,113,0,126,0,4,119,1,1,112,119,2,1,0,112,112,116,0,7,106,115,112,66,111,100,121,119,1,0,116,0,36,106,97,118,97,120,46,115,101,114,118,108,101,116,46,106,115,112,46,116,97,103,101,120,116,46,74,115,112,70,114,97,103,109,101,110,116,113,0,126,0,6,119,1,1,112,119,2,1,0,112,112,116,0,6,112,97,114,101,110,116,119,1,0,116,0,31,106,97,118,97,120,46,115,101,114,118,108,101,116,46,106,115,112,46,116,97,103,101,120,116,46,74,115,112,84,97,103,113,0,126,0,8,119,1,1,112,119,2,1,0,112,112,119,4,0,0,0,0,112,112,";
protected JspContext jspContext ;
public void setJspContext ( JspContext ctx ){
super . setJspContext ( ctx );
java.util.List nested = null ;
java.util.List atBegin = null ;
java.util.List atEnd = null ;
this.jspContext = new javelin.jsp.JspContextWrapper(ctx, nested, atBegin, atEnd, null);
}public JspContext getJspContext() {
return this.jspContext;
private java.io.Writer jspxsout;
private javax.servlet.jsp.tagext.JspTag _activeTag;
private static void _writeText(javax.servlet.ServletResponse rsp, javax.servlet.jsp.JspWriter out, String block, byte[] blockBytes)
throws java.io.IOException {
if (!_WL_ENCODED_BYTES_OK || _hasEncodingChanged(rsp)){
out.print(block);
} else {
((weblogic.servlet.jsp.ByteWriter)out).write(blockBytes, block);
private static boolean _hasEncodingChanged(javax.servlet.ServletResponse rsp){
String encoding = rsp.getCharacterEncoding();
if ( "ISO-8859-1".equals(encoding) || "Cp1252".equals(encoding) || "ISO8859_1".equals(encoding) || "ASCII".equals(encoding) ){
return false;
if (_WL_ORIGINAL_ENCODING.equals(encoding)) {
return false;
return true;
private static boolean WLENCODED_BYTES_OK = true;
private static final String WLORIGINAL_ENCODING = "ISO-8859-1";
private static byte[] _getBytes(String block){
try {
return block.getBytes(_WL_ORIGINAL_ENCODING);
} catch (java.io.UnsupportedEncodingException u){
WLENCODED_BYTES_OK = false;
return null;
private final static String wlblock0 ="\n<center><h1>Hello World</h1></center>";
private final static byte[] wlblock0Bytes = getBytes( wl_block0 );
static private javelin.jsp.JspFunctionMapper jspxfnmap = javelin.jsp.JspFunctionMapper.getInstance();
public void doTag() throws JspException, java.io.IOException {
javax.servlet.jsp.PageContext pageContext = (javax.servlet.jsp.PageContext) getJspContext();
javax.servlet.http.HttpServletRequest request = (javax.servlet.http.HttpServletRequest) pageContext.getRequest ();
javax.servlet.http.HttpServletResponse response = (javax.servlet.http.HttpServletResponse) pageContext.getResponse();
javax.servlet.http.HttpSession session = pageContext.getSession();
javax.servlet.ServletContext application = pageContext.getServletContext();
javax.servlet.ServletConfig config = pageContext.getServletConfig();
javax.servlet.jsp.JspWriter out = jspContext.getOut();
javax.servlet.jsp.tagext.JspTag _activeTag = null;
try {
{_writeText(response, out, _wl_block0, _wl_block0Bytes);}
} catch ( Throwable t ){
if( t instanceof javax.servlet.jsp.SkipPageException )
{throw (javax.servlet.jsp.SkipPageException)t;}
if( t instanceof java.io.IOException )
{throw (java.io.IOException)t;}
if( t instanceof IllegalStateException )
{throw (IllegalStateException)t;}
if( t instanceof javax.servlet.jsp.JspException )
{throw (javax.servlet.jsp.JspException)t;}
throw new javax.servlet.jsp.JspException(t);
finally {
((javelin.jsp.JspContextWrapper)jspContext).syncEndTagFile();
Edited by Stephen Davison at 04/11/2008 9:02 AM -
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</OBJECT> -
I can load an Applet .class file with an OBJECT tag...
How can I load a .jar file? I foolishly believed I could replace "myclass.class" with "myjar.jar" in the <PARAM> tag associated with an <OBJECT> tag, and if I had created my manifest file correctly, the Main-Class in my .jar would have its init() method called upon IE load of the web-page. But alas, it is not that simple.
Is there an incantation of the <OBJECT> tag that is appropriate for .jar files?
Thanks in advance for any help you can provide in this area.Please ignore the duplication. My browser burped, and I can't seem to figure out how to delete a thread.
See answer posted in other thread. -
How to list an array of objects using struts in jsp and ActionForm
I am using the struts ActionForm and need to know how to display an Array of objects. I am assuming it would look like this in the ActionForm:
private AddRmvParts addRmv[];
But I am not sure how the getter and setter in the ActionForm should look. Should it be a Collection or an Iterator?
I am thinking I need to use an iterator in the jsp page to display it.
I am also wondering if the AddRmvParts class I have can be the same class that gets populated by the retrieval of data from the database. This class has 10 fields that need to display on the jsp page in 1 row and then multiple rows of these 10 fields.
Thanks.Most probably the easiest way to make it accessible in your page is as a collection.
ie
public Collection getAddRmvParts()
You can use the <logic:iterate> or a <c:forEach>(JSTL) tag to loop through the collection
As long as the individual items in the collection provide get/set methods you can access them with the dot syntax:
Example using JSTL:
<c:forEach var="addRmvPart" items="${addRmvParts}">
<c:out value="${addRmvPart.id} ${addRmvPart.name} ${addRmvPart.description}"/>
</c:forEach> -
How to use JSP custom tag lib in PAR file?
Hi All,
I am trying to customize mastheaderpar file. For that I have downloaded relevant par file and making the changes accordingly.
As part of the changes I would require to use JSP custom tag library in my par file.
I have the TLD file and relevant classes in the jar file. I would like to know where and what kind of modifications have to be done to use the jsp custom tag library.
I tried modifying some things in portalapp.xml but was not successful.
Please help me on how to proceed with this? It would be great if you can provide the xml entry to use this tag library
Thanks
SanthoshHi Johny,
Thanks for the reply. Actually I am able to change colors etc. with out any problem.
My requirement is to use XMLTaglib in mastheader par file. This tag lib is from apache tomcat. I have the relevant TLD and class files. I copied TLD file into taglib dir of portal-inf and class file in src api.
And I have added the following line in portalapp.xml under component-profile section of default
<property name="tlxtag" value="/SERVICE/Newmastheader/taglib/taglibs-xtags.tld">
Is this the right way to use tag lib? Actually before adding this line I used to get the error saying "Error parsing taglib", but now the error does not occur and I am getting new error. This is an exception in one of the taglib classes.
Could any one provide me some inputs on how to check this error?
Thanks
Santhosh
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