[FreeMarker-user] How to get xml element having namespace using java smooks and freemarker

[gkamle]

am new to "smooks and freemarker".I want access elements in xml document.I
am getting this exception while acessing xml element.I am sending my code.

Exception:-
------------

For "${...}" content: Expected a string or something automatically
convertible to string (number, date or boolean), but this evaluated to a
sequence+hash (wrapper: f.e.dom.NodeListModel):
==> employee["first_name"] [in template "free-marker-template" at line
1, column 84]

----
Tip: This XML query result can't be used as string because for that it had
to contain exactly 1 XML node, but it contains 0 nodes. That is, the
constructing XML query has found no matches.
----
----
FTL stack trace ("~" means nesting-related):
- Failed at: ${employee["first_name"]} [in template
"free-marker-template" at line 1, column 82]

----
Java stack trace (for programmers):
----
freemarker.core.NonStringException: [... Exception message was already
printed; see it above ...]
at freemarker.core.EvalUtil.coerceModelToString(EvalUtil.java:381)
at freemarker.core.Expression.evalAndCoerceToString(Expression.java:82)
at freemarker.core.DollarVariable.accept(DollarVariable.java:40)
at freemarker.core.Environment.visit(Environment.java:312)

The following are versions
java version : "1.7.0_45"
freemarker : 2.3.22
smooks : 1.6


javacode:-
-----------
package test;

import java.io.BufferedInputStream;
import java.io.BufferedWriter;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
import java.net.URI;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;

import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;

import org.milyn.Smooks;
import org.milyn.SmooksException;
import org.milyn.container.ExecutionContext;
import org.milyn.event.report.HtmlReportGenerator;
import org.milyn.io.StreamUtils;
import org.milyn.payload.StringResult;
import org.xml.sax.SAXException;


public class SmooksExample {
public SmooksExample() {
// TODO Auto-generated constructor stub
}
protected static void runSmooksNew() throws IOException, SAXException,
SmooksException {

try {
Long stTime = System.currentTimeMillis();
System.out.println(stTime + "==" + new Date());
Writer xmlResultWriter = new BufferedWriter(new FileWriter(new
File("C:\\Files\\SmookExample\\output_sax.dat")));
transCustomerCSV(new File("C:\\Files\\emp_namespace.xml"),
xmlResultWriter);
Long edTime = System.currentTimeMillis();
System.out.println(edTime + "==" + (edTime-stTime) + "===="+ new
Date());
String times = String.format("%d min, %d sec",
TimeUnit.MILLISECONDS.toMinutes(edTime-stTime),
TimeUnit.MILLISECONDS.toSeconds(edTime-stTime) -

TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(edTime-stTime))
);
System.out.println(times);
} finally {
//smooks.close();
}
}
public static void transCustomerCSV(File csvSourceReader, Writer
xmlResultWriter) throws IOException, SAXException {
File f = new File("C:/TEMPLATES/smooks-config.xml");
URI u = f.toURI();
Smooks smooks = new Smooks(u.getPath());
ExecutionContext ec = smooks.createExecutionContext();
smooks.filterSource(ec, new StreamSource(csvSourceReader), new
StreamResult(xmlResultWriter));
}
/**
* @param args
*/
public static void main(String[] args) throws IOException, SAXException,
SmooksException {
System.out.println("\n\n");
System.out.println("==============Message In==============");
SmooksExample.runSmooksNew();
System.out.println("======================================\n");
}
}


Smooks-config.xml
--------------------
<smooks-resource-list
xmlns:ftl="http://www.milyn.org/xsd/smooks/freemarker-1.1.xsd"
xmlns:core="http://www.milyn.org/xsd/smooks/smooks-core-1.3.xsd"
xmlns:jb="http://www.milyn.org/xsd/smooks/javabean-1.2.xsd"
xmlns="http://www.milyn.org/xsd/smooks-1.1.xsd">
<params>
SAX
false
</params>
<core:namespaces>
<core:namespace prefix="empl" uri="http://www.example.com/employees"/>
</core:namespaces>
<resource-config selector="employee,first_name">
<resource>org.milyn.delivery.DomModelCreator</resource>
</resource-config>
<ftl:freemarker applyOnElement="first_name">
<ftl:template>
</ftl:template>
</ftl:freemarker>
</smooks-resource-list>

sample data xml file name: emp_namespace.xml:-
--------------------------------------------------
<?xml version="1.0" encoding="UTF-8"?>
<empl:employees xmlns:empl="http://www.example.com/employees">
<empl:employee id="1">
<empl:first_name>Bill</empl:first_name>
<empl:last_name>Adams</empl:last_name>
<empl:age>25</empl:age>
<empl:hire_date>12-06-1995</empl:hire_date>
<empl:title>Java programmer</empl:title>
<empl:DateCreated>
<empl:Year>1980</empl:Year>
<empl:Month>01</empl:Month>
<empl:Day>01</empl:Day>
</empl:DateCreated>
<empl:DateCompleted>
<empl:Year>1981</empl:Year>
<empl:Month>02</empl:Month>
<empl:Day>02</empl:Day>
</empl:DateCompleted>
</empl:employee>
<empl:employee id="2">
<empl:first_name>Mary</empl:first_name>
<empl:last_name>Jones</empl:last_name>
<empl:age>32</empl:age>
<empl:hire_date>22-09-2001</empl:hire_date>
<empl:title>Sales manager</empl:title>
<empl:DateCreated>
<empl:Year>1982</empl:Year>
<empl:Month>03</empl:Month>
<empl:Day>03</empl:Day>
</empl:DateCreated>
<empl:DateCompleted>
<empl:Year>1983</empl:Year>
<empl:Month>04</empl:Month>
<empl:Day>04</empl:Day>
</empl:DateCompleted>
</empl:employee>
</empl:employees>



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