9:19 a.m.
I'm trying to marshall a list containing objects into an XML string. I was able to
marshall a single object into an XML string but am struggling on what is needed to do a
list?
I am including an example using JBoss Tools Web Services. It will query the database and
receive a back a list of WebCalendar objects. If I create a single object and marshall it
will work. However, I need to marshall the list so that it creates multiple entries for
each object in the marshalled XML. If you can advise I would appreciate it.
Here is an example code:
This is the class that will query the database which returns a list of WebPayCalendar
objects I then try to marshall the list into an XML string:
@WebMethod
public String retrievePsWebPayCalendar()
{
try
{
/**************************************************************************
* The following example marshals an object class into an XML string which
* is returned to the caller. The object is an entity representing a
* row on the database.
**************************************************************************/
WebPayCalendarList selectCalendar = (WebPayCalendarList)
Component.getInstance("webPayCalendarList");
// Retrieve the entire list of web pay calendar dates
List pc = selectCalendar.getResultList();
// For a test retrieve only the first web calendar date object
WebPayCalendar wpc = pc.get(0);
// Marshal the calendar information into an XML string and return it
JAXBContext context = JAXBContext.newInstance(WebPayCalendar.class);
Marshaller marshaller = context.createMarshaller();
marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
marshaller.marshal(pc, System.out);
return result.getWriter().toString();
}
catch (Exception e)
{
return "Error: " + e.getMessage();
}
}
This is the object Class:
package org.domain.PSWebService.entity;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
import javax.persistence.UniqueConstraint;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlType;
import org.hibernate.validator.Length;
@Entity
@Table(name="WEB_PAY_CALENDAR", uniqueConstraints =
{@UniqueConstraint(columnNames={"RUN_ID"})})
@XmlRootElement
public class WebPayCalendar implements Serializable
{
//WEB_PAY_CALENDAR Data Columns
@Length(max=3)
private String payGroup;
@Id
@Length(max=10)
@Column(name="RUN_ID")
private String runId;
@Column(name="CHECK_DT")
private java.util.Date checkDt;
@Column(name="PAY_BEGIN_DT")
private java.util.Date payBeginDt;
@Column(name="PAY_END_DT")
private java.util.Date payEndDt;
@Length(max=1)
@Column(name="PAY_CONFIRM_RUN")
private String payConfirmRun;
public String getPayGroup()
{
return payGroup;
}
public void setPayGroup(String payGroup)
{
this.payGroup = payGroup;
}
public String getRunId()
{
return runId;
}
public void setRunId(String runId)
{
this.runId = runId;
}
public java.util.Date getCheckDt()
{
return checkDt;
}
public void setCheckDt(java.util.Date checkDt)
{
this.checkDt = checkDt;
}
public java.util.Date getPayBeginDt()
{
return payBeginDt;
}
public void setPayBeginDt(java.util.Date payBeginDt)
{
this.payBeginDt = payBeginDt;
}
public java.util.Date getPayEndDt()
{
return payEndDt;
}
public void setPayEndDt(java.util.Date payEndDt)
{
this.payEndDt = payEndDt;
}
public String getPayConfirmRun()
{
return payConfirmRun;
}
public void setPayConfirmRun(String payConfirmRun)
{
this.payConfirmRun = payConfirmRun;
}
}
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