Struts 1.1 Iterate through input types of image

Hi everyone,
I'm using struts 1.1, and specifically the logic:iterate tag. Basically I'm looping through a List of Users. I print out username, userAccessLevel, two image input types (edit or remove). My actionForm associated with the JSP contains the List of Users.
A User object has an AccessButtons field (among other things),
an AccessButtons object contains two Buttons objects named edit and remove,
a Button object has 3 String fields, x, y, and name, and a "pressed()" function
Essentially I want the Action class to be able to pick up what button was pressed on the ActionForm. Specifically both the user and edit/remove action associated with the button. The code I have so far in the JSP is:
<logic:iterate id="users" name="accessForm" property="users" indexId="index">
<bean:define id="ssn" name="users" property="ssn"/>
<bean:define id="accessButtons" name="users" property="accessButtons"/>
<bean:write name="users" property="fullname"/>
<bean:write name="users" property="accessLevel"/>
<html:image property="accessButtons.edit" src="images/edit.gif" border="0" alt="edit" indexed="true"/>
<html:image property="accessButtons.remove" src="images/remove.gif" border="0" alt="remove" indexed="true"/>
</logic:iterate>
This displays the desired output, but it doesn't help be differentiate the user for which the button was pressed. I left out some of the HTML formatting stuff to keep the code clean.
Anyone have any ideas? I hope I explained what I wanted clearly and concisely...

yes, this is a problem, isn't it...
I would suggess make each user iterration include a separate form tag set and have a hidden field with the user id. but I think this will still have a problem of knowing which of the 2 buttons were pressed. There is a problem here, cuz Netscape 7 sends the button name of the button and button.x and button.y, whereas IE 6 only sends the button.x and button.y, and not the button as is... which presents a problem to figuring out what was clicked. (Plain submit type buttons seem to be fine for submitting). At least, I guess just check for the existance of the button_name.x to see which was pressed, but you still need the user ID in the forms.

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Hi friends,
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Normally, each object exposed by the iterate tag is an element of the underlying collection you are iterating over. However, if you iterate over a Map, the exposed object is of type Map.Entry that has two properties:
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value - The value that corresponds to this key.
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Best Regards
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Can't get parameter in struts when using input type="file"...?

Hi everyone:
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Instead of the Request, you need to use MultiPart request in this case.
This is because of the following statement you are using in the form tag. {enctype="multipart/form-data"}
Hope it helps....

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Hi,
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Getting access denied error while importing file using input type="file"

Hi All,
I am using struts application wherein I need to import file for some purpose.I have used input type="file" for the same which goes like:
<input type="file" id="uploadFile" name="uploadFile" size="50">
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vishnuS1984 wrote:
Hi Friends,
I have gone through scores of examples and i am failing to understand the right thing to be done to copy a file from one directory to another. Here is my class...So let's see... C:\GetMe1 is a directory on your machine, right? And this is what you are doing with that directory:
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// dest is a 'File' object but represents the C:\GetMe1 directory, right?
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BTW, this is awful:
catch (IOException e)
IOException wrapper = new IOException("copyFiles: Unable to copy file: " +
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wrapper.initCause(e);
wrapper.setStackTrace(e.getStackTrace());
throw wrapper;
}1) You're hiding the original IOException and replacing it with your own? For what good purpose?
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I am reading multiple records from a file using SyncRead file adapter.
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For count expression, I am getting following error:
<Faulthttp://schemas.oracle.com/bpel/extensionhttp://schemas.xmlsoap.org/soap/envelope/>
<faultcode>null:subLanguageExecutionFault</faultcode>
<faultstring>business exception</faultstring>
<faultactor>cx-fault-actor</faultactor>
<detail>
<code>XPathExecutionError</code>
<summary>XPath expression failed to execute. Error while processing xpath expression, the expression is "ora:countNodes(bpws:getVariableData('Invoke_3_SynchRead_OutputVariable','EmpCollection','/ns4:EmpCollection'))", the reason is FOTY0001: type error. Please verify the xpath query. </summary>
</detail>
</Fault>
I hard-coded count, in order to proceed. Then I got following error
<Faulthttp://schemas.oracle.com/bpel/extensionhttp://schemas.xmlsoap.org/soap/envelope/>
<faultcode>null:bindingFault</faultcode>
<faultstring>business exception</faultstring>
<faultactor>cx-fault-actor</faultactor>
<detail>
<code>null</code>
<summary>file:/C:/product/10.1.3.1/OracleAS_1/bpel/domains/default/tmp/.bpel_BPELProcess4_1.0_dc4a703c46a242f69d6cea305b2df3a3.tmp/WriteDA.wsdl [ WriteDA_ptt::insert(VbEmpCollection) ] - WSIF JCA Execute of operation 'insert' failed due to: Mapping Not Found Exception. The mapping [C1] for descriptor [class bpel___localhost_default_BPELProcess4_1_0__MD5_ad2539e1386433a9e059bcc969732f11_.WriteDA.VbEmp] could not be found. The input xml record had an element [VbEmp/C1]. ; nested exception is: ORABPEL-11627 Mapping Not Found Exception. The mapping [C1] for descriptor [class bpel___localhost_default_BPELProcess4_1_0__MD5_ad2539e1386433a9e059bcc969732f11_.WriteDA.VbEmp] could not be found. The input xml record had an element [VbEmp/C1]. Make sure that the input xml is valid relative to the xsd and that the mapping exists in the Mappings.xml. If an old version of the descriptor without this mapping has been loaded by the database adapter, you may need to bounce the app server. If the same descriptor is described in two separate Mappings.xml files, make sure both versions include this attribute/mapping. </summary>
<detail>null</detail>
</detail>
</Fault>
The bpel code is as follows (I can share entire BPEL project..But not sure how to attach to the thread :( )
<?xml version = "1.0" encoding = "UTF-8" ?>

<process name="BPELProcess4"
targetNamespace="http://xmlns.oracle.com/BPELProcess4"
xmlns="http://schemas.xmlsoap.org/ws/2003/03/business-process/"
xmlns:bpws="http://schemas.xmlsoap.org/ws/2003/03/business-process/"
xmlns:xp20="http://www.oracle.com/XSL/Transform/java/oracle.tip.pc.services.functions.Xpath20"
xmlns:ns4="http://TargetNamespace.com/InboundService"
xmlns:ids="http://xmlns.oracle.com/bpel/services/IdentityService/xpath"
xmlns:ldap="http://schemas.oracle.com/xpath/extension/ldap"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:client="http://xmlns.oracle.com/BPELProcess4"
xmlns:ora="http://schemas.oracle.com/xpath/extension"
xmlns:xref="http://www.oracle.com/XSL/Transform/java/oracle.tip.xref.xpath.XRefXPathFunctions"
xmlns:hwf="http://xmlns.oracle.com/bpel/workflow/xpath"
xmlns:ns1="http://xmlns.oracle.com/pcbpel/adapter/file/ReadFA/"
xmlns:ehdr="http://www.oracle.com/XSL/Transform/java/oracle.tip.esb.server.headers.ESBHeaderFunctions"
xmlns:ns3="http://xmlns.oracle.com/pcbpel/adapter/db/top/WriteDA"
xmlns:ns2="http://xmlns.oracle.com/pcbpel/adapter/db/WriteDA/"
xmlns:bpelx="http://schemas.oracle.com/bpel/extension"
xmlns:orcl="http://www.oracle.com/XSL/Transform/java/oracle.tip.pc.services.functions.ExtFunc">

<partnerLinks>

<partnerLink name="client" partnerLinkType="client:BPELProcess4"
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<partnerLink name="WriteDA" partnerRole="WriteDA_role"
partnerLinkType="ns2:WriteDA_plt"/>
<partnerLink name="ReadFA" partnerRole="SynchRead_role"
partnerLinkType="ns1:SynchRead_plt"/>
</partnerLinks>

<variables>


<variable name="inputVariable"
messageType="client:BPELProcess4RequestMessage"/>
<variable name="outputVariable"
messageType="client:BPELProcess4ResponseMessage"/>
<variable name="Invoke_2_insert_InputVariable"
messageType="ns2:VbEmpCollection_msg"/>
<variable name="Invoke_3_SynchRead_InputVariable"
messageType="ns1:Empty_msg"/>
<variable name="Invoke_3_SynchRead_OutputVariable"
messageType="ns1:EmpCollection_msg"/>
<variable name="Invoke_3_SynchRead_InputVariable_1"
messageType="ns1:Empty_msg"/>
<variable name="Count" type="xsd:integer"/>
<variable name="iterater" type="xsd:integer"/>
</variables>

<sequence name="main">

<receive name="receiveInput" partnerLink="client"
portType="client:BPELProcess4" operation="process"
variable="inputVariable" createInstance="yes"/>

<invoke name="Invoke_3" partnerLink="ReadFA" portType="ns1:SynchRead_ptt"
operation="SynchRead"
outputVariable="Invoke_3_SynchRead_OutputVariable"
inputVariable="Invoke_3_SynchRead_InputVariable_1"/>
<assign name="Assign_1">
<copy>
<from expression="1"/>
<to variable="iterater"/>
</copy>
<copy>
<from expression="1"/>
<to variable="Count"/>
</copy>
</assign>
<while name="While_1"
condition="bpws:getVariableData('iterater') <= bpws:getVariableData('Count')">
<sequence name="Sequence_2">
<switch name="Switch_1">
<case condition="bpws:getVariableData('Invoke_3_SynchRead_OutputVariable','EmpCollection','/ns4:EmpCollection/ns4:Emp/ns4:C4') = "Pune"">
<sequence name="Sequence_1">
<assign name="Assign_3">
<copy>
<from expression="bpws:getVariableData('Invoke_3_SynchRead_OutputVariable','EmpCollection','/ns4:EmpCollection/ns4:Emp')[bpws:getVariableData('iterater')]"/>
<to variable="Invoke_2_insert_InputVariable"
part="VbEmpCollection"
query="/ns3:VbEmpCollection/ns3:VbEmp"/>
</copy>
</assign>
<invoke name="Invoke_2" partnerLink="WriteDA"
portType="ns2:WriteDA_ptt" operation="insert"
inputVariable="Invoke_2_insert_InputVariable"/>
</sequence>
</case>
<otherwise>
<sequence name="Sequence_3">
<empty name="Empty_1"/>
<assign name="Transform_1">
<bpelx:annotation>
<bpelx:pattern>transformation</bpelx:pattern>
</bpelx:annotation>
<copy>
<from expression="ora:processXSLT('Transformation_3.xsl',bpws:getVariableData('Invoke_3_SynchRead_OutputVariable','EmpCollection'))"/>
<to variable="Invoke_2_insert_InputVariable"
part="VbEmpCollection"/>
</copy>
</assign>
</sequence>
</otherwise>
</switch>
<assign name="Assign_2">
<copy>
<from expression="bpws:getVariableData('iterater') + 1"/>
<to variable="iterater"/>
</copy>
</assign>
</sequence>
</while>
<reply name="replyOutput" partnerLink="client"
portType="client:BPELProcess4" operation="process"
variable="outputVariable"/>
</sequence>
</process>
From the process flow, I can see that the array element expression works and the first employee record is correctly assigned to the Invoke_2_Input_Variable.
However Invoke_2 is erroring out.
Thanks
Edited by: user8645981 on Feb 5, 2010 2:44 AM

Proble with Struts Taglib "logic:iterate"

I m designing an simple application, it uses to input some data and then display them.
For example,I want to input studentID,studentName into the database,but i want to input more than one student data each time.
This is my FormBean souce:
package system.form;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionMessage;
import javax.servlet.http.HttpServletRequest;
public class StudentForm {
    private String[] studentID;
    private String[] studentName;
    public String[] getStudentID() {
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    public String[] getStudentName() {
         return studentName;
    public void set(String[] field) {
         studentID = field;
    public void set(String[] field) {
         studentName = field;
}This is my form:
<html:form method="post" action="/add">
    StudentID: <html:text property="studentID"/>
    StudentName:<html:text property="studentName"/>
    <br/>
    StudentID: <html:text property="studentID"/>
    StudentName:<html:text property="studentName"/>
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</html:form>The problem is: my StudentForm is in SESSION scope.So after i have input some data,i return to the input page, the text filed will display the data i inputed last time.
But when i do it, i saw the data in the field are like this:
[Ljava.lang.String;@595420
[Ljava.lang.String;@a218a5
[Ljava.lang.String;@2f54
Not the data i input,I think the problem is that my attribute in the StudentForm is array string, not string. So there is any problem when display.
What can i do to resolve it?
Also,there is another problem.
In my input page. I must iterate the input field like:
StudentID: <html:text property="studentID"/>
    StudentName:<html:text property="studentName"/>
    <br/>
    StudentID: <html:text property="studentID"/>
    StudentName:<html:text property="studentName"/>
    <br/>
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So i want to use Struts's Tag <logic:iterate> to manipulate it.
But i don't know how to use it.
Can anybody give me a hand? Thank u.

First of all, the studentID and the studentName are related. If you keep them as two separate String arrays, it will be very hard to use logic:iterate to display them together.
I would suggest that you first create a VO class which contains only studentID and studentName and have getter-setter methods for them. (This is logically good as you are modelling a student using a separate class) And, in your form, declare a studentVO[ ] and have getter-setter methods. You may need to change them and add new ones as they will have to be indexed. This can be looked up in the Struts documentation page.
Finally in your jsp, iterate over the studentVO[ ] bean and give the respective getter property of studentID and studentName in VO with indexed = "true"....
<logic:iterate id = "studentVO" name = "<formbean name>" property = "studentVO">
<html:text name="studentVO" property = "studentID" indexed = "true"/>
<html:text name="studentVO" property = "studentName" indexed = "true"/>
etc..
</logic:iterate>
(Note that you may have to give the type attribute in your logic:iterate so that it may be cast into the right VO object)
Hope this helps.

HTML tag input type="file"

hello!
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nid yur help badly!
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Here is a solution:
Post your question on a relevant forum. These forums are for Java. Java is not Javascript. Javascript is not Java.

Best way to iterate through multiple variables?

I need to iterate through three different variables (arrays), and was wondering what the best way to do this would be? I am more familiar with C than I am with LabVIEW at this point, but am getting up to speed on LabVIEW pretty quickly. Normally in C, I would just create three nested loops, but I am wondering if this is the best method in LabVIEW or not. I could use a state machine I think, which would give me some flexibility in re-arranging the order of iteration or adding or subtracting variables easier than working with nested loops I think...anyway, I'm open to suggestions.

R.Gibson wrote:
I need to iterate through three different variables (arrays), and was wondering what the best way to do this would be?
Arrays are not "variables". can you be a bit more specific.
R.Gibson wrote:
I could use a state machine I think, which would give me some flexibility in re-arranging the order of iteration or adding or subtracting variables easier than working with nested loops.
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... And again, what do you mean by "variables"?
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Hi Experts,
We have a scenario like, Client wants to track the actual manpower costing through activity type ( Ex: How much hours an employee worked on a particular work center to produce an “X” product, So that his actual cost should be loaded on that product.
We have employee ( 1. Staff 2. Worker 3. Contract labor employee and apprentice from third party roll and staff and worker we plan to go with negative time management and for contract labor and apprentice will go with through cats.
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Prem

Hi Experts,
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Iterate through all documents

Hi,
We have a container which contains *1 million* documents, each of which has size 5K. Container type is wholedocument. We need to iterate through all document regualrly using container.getAllDocuments(containerTxn, DBXML_LAZY_DOCS | DBXML_NO_INDEX_NODES). For each document, we will perform a xpath query in xml document in memory.
The problem here is about whether we should use transaction. If transaction is used, getAllDocuments will report "Lock table is out of available lock entries" error when it scan about 9383 ducuments. Here are lock setting:
envp->set_lk_max_lockers(6000);
envp->set_lk_max_locks(6000);
envp->set_lk_max_objects(8000);
We have 1 million documents, it is impossible to set lock object to 1 million.
My questions:
(1) Is this normal? If so, why performing a dbxml query on the container doesn't cause such an error. I believe dbxml query has to iterate all of documents too.
(2) Is it possible to use a seek position for getAllDocuments? Thus we can commit transaction every iterating 1000 documents, and then continue the iteration from the last seek position.
(3) if we don't use transaction to call getAllDocuments, what possible problems will happen? Other threads are using transaction to read/update the documents.
Thanks.
-Yuan

Yuan,
The quickest thing to try is to add the flag DB_READ_COMMITTED to getAllDocuments(). That may reduce the number of locks you need. While you may not be able to set the various lock parameters to 1 million, you should set them much larger than you have now (e.g. 50k - 100k) for this sort of operation.
Not using transactions at all can lead to inconsistent data mostly related to index consistency with document content. Depending on the nature of your updates it may be safe. You could get stray exceptions but nothing should crash. E.g. if you are only adding/removing documents you are probably safe without transactions; although you might iterate to a document that's been removed so you'll see an exception which would have to be ignored. I'm not 100% certain this will work well but if you can test it in a high-update environment and see no issues that will tell you. The read side will not interfere with the updates.
As for "seeking" if you look under the covers getAllDocuments() is really just a wrapper for an index lookup on the name index. The XmlIndexLookup API is quite flexible in terms of returning ranges. If you want to look into returning ranges of documents, do this:
1. look at the code in XmlContainer.cpp in the function "getDocs()". It uses XmlIndexLookup to perform the operation.
2. look at the XmlIndexLookup API to figure out how to turn the lookup into a range lookup vs looking up ALL items in the index
Using XmlIndexLookup and tracking the name of your last-used document you can easily ask for all documents "higher" than that one. Further, if you know how your documents are named lexicographically you can give it a maximum as well if you wanted, but given that you can set your XmlQueryContext to be lazy you can simply iterate N times to get the next N documents without paying a penalty retrieving any documents you don't need.
For the sort of thing you are doing I highly recommend using XmlIndexLookup directly (with or without transactions) to get the flexibility you need. XmlContainer::getAllDocuments() is merely a "convenience" layer on that class.
Regards,
George

Building hashtable for INPUT types dynamically

In my jsp I want to define a method which can build and return a hashtable of all the input types defined inside a form. For example if my form looks like :
<form name="detail_form" method="post" action="">
<input type="text" name="asset_name" size="15" value="ABC">
<input type="text" name="asset_desc" size="45" value="Laptop">
<input type="hidden" name="employee_id_key" value="58975">
<input type="hidden" name="asset_id_key" value="15">
</form>
then my method will be like :
<%!
public Map getCurrentData()
Map paras=new HashMap();
paras.put ("asset_name", "ABC");
paras.put ("asset_desc", "Laptop");
paras.put ("employee_id_key", "58975");
paras.put ("asset_id_key", "15");
return paras;
%>
Now the problem is :
since the code inside the form can be dynamic (like there can be different number of INPUT types with different names) so I want my method getCurrentData() to be dynamic. That probably means some sort of loop to go through all the INPUT types in the form and storing it in hashtable. But I dont know how to do it in java. Can anybody help me please. Thanks

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<form name="detail_form" method="post" action="nextpage.jsp">
<input type="text" name="asset_name" size="15" value="ABC">
<input type="text" name="asset_desc" size="45" value="Laptop">
<input type="hidden" name="employee_id_key" value="58975">
<input type="hidden" name="asset_id_key" value="15">
</form>
then on nexpage.jsp you could say
<% Map myMap = request.getParamaterMap(); %>
Good Luck
Zac

Iterate through UI elements in a view

Hi,
I would like to iterate through the UI elements in a view, to read their 'id' values, and populate an arraylist. Could you please suggest how to accomplish this ?
Thanks !

Hi,
If ur requirement is just to get the ID's Noufal 's solution should be sufficient.
IWDTransparentContainer t = (IWDTransparentContainer)view.getElement("RootUIElementContainer");
IWDUIElement a[] = t.getChildren();
for(int i =0;i<a.length;i++){
wdThis.wdGetAPI().getComponent().getMessageManager().reportSuccess(a<i>.getId());
IWDUIElement i1 = (IWDUIElement)view.getElement(a<i>.getId());
wdThis.wdGetAPI().getComponent().getMessageManager().reportSuccess(""+i1.getClass());
If all the elements are created in design time you will know the element IDs and types. So further processing for manipulation of the UI properites will be easy.
But if elements are added dynamically you will be able to get their ID s and the class type. But i wonder if u will be able to proceed further.
Regards
Bharathwaj

How to iterate through files in a directory in real time?

I have a program where users can write RPN equations into txt files so that the number and type of equations are completely customizable at run time. I need to be able to iterate through .txt files in an Equations folder to load the equations into memory. How can I do this in real time?
I know I could make the files eq 1.txt through eq 2.txt and iterate through until one doesn't exist, but my standard method has been to name the filename the same as the equation name. Either way works.
Thank you.
Michael Chadwell
Department of Engine and Vehicle R&D
Southwest Research Institute

Hi Michael,
You could also use the GetFirstFile and GetNextFile functions that come built into CVI. These functions should allow you to iterate through the files in a directory.
GetFirstFile: http://zone.ni.com/reference/en-XX/help/370051Y-01/cvi/libref/cvigetfirstfile/
GetNextFile: http://zone.ni.com/reference/en-XX/help/370051Y-01/cvi/libref/cvigetnextfile/
Hope this helps,
Kevin

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