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The Open Source version of the IBM Toolbox for Java
///////////////////////////////////////////////////////////////////////////////
//
// JTOpen (IBM Toolbox for Java - OSS version)
//
// Filename: WriterJobList.java
//
// The source code contained herein is licensed under the IBM Public License
// Version 1.0, which has been approved by the Open Source Initiative.
// Copyright (C) 1997-2000 International Business Machines Corporation and
// others. All rights reserved.
//
///////////////////////////////////////////////////////////////////////////////
package com.ibm.as400.access;
import java.beans.PropertyVetoException;
/**
* The WriterJobList class is used to build a list of objects of type
* WriterJob. The list can be filtered by writer job name or output queue.
*
* @see WriterJob
**/
public class WriterJobList extends PrintObjectList
implements java.io.Serializable
{
private static final String copyright = "Copyright (C) 1997-2000 International Business Machines Corporation and others.";
static final long serialVersionUID = 4L;
private static final String QUEUE_FILTER = "queueFilter";
private static final String WRITER_FILTER = "writerFilter";
/**
* Constructs a WriterJobList object. The system must
* be set later. This constructor is provided for visual application
* builders that support JavaBeans. It is not intended for use
* by application programmers.
*
* @see PrintObjectList#setSystem
**/
public WriterJobList()
{
super(NPConstants.WRITER_JOB, new NPCPSelWrtJ());
// Because of this constructor we will need to check the
// system before trying to use it.
}
/**
* Constructs a WriterJobList object. It uses the system name provided.
* The default list filter will list all writer jobs on the specified system.
*
* @param system The system on which the writer jobs exist.
*
**/
public WriterJobList(AS400 system)
{
super(NPConstants.WRITER_JOB, new NPCPSelWrtJ(), system);
}
/**
* Chooses the appropriate implementation.
**/
void chooseImpl()
{
AS400 system = getSystem();
if (system == null) {
Trace.log( Trace.ERROR, "Attempt to use WriterJobList before setting system.");
throw new ExtendedIllegalStateException("system", ExtendedIllegalStateException.PROPERTY_NOT_SET);
}
impl_ = (PrintObjectListImpl) system.loadImpl2("com.ibm.as400.access.WriterJobListImplRemote",
"com.ibm.as400.access.WriterJobListImplProxy");
super.setImpl();
}
/**
* Returns the output queue filter.
* @return queue filter
*
**/
public String getQueueFilter()
{
// The selection code point is always present, the Queue Filter
// may not have been set. If empty, getQueue() returns
// an empty string.
NPCPSelWrtJ selectionCP = (NPCPSelWrtJ)getSelectionCP();
return( selectionCP.getQueue() );
}
/**
* Returns the writer filter.
* @return writer filter
*
**/
public String getWriterFilter()
{
// The selection code point is always present, the writer Filter
// may not have been set. If empty, getWriter() returns an
// empty string.
NPCPSelWrtJ selectionCP = (NPCPSelWrtJ)getSelectionCP();
return( selectionCP.getWriter() );
}
PrintObject newNPObject(NPCPID cpid, NPCPAttribute cpattr)
{
return new WriterJob(system_, (NPCPIDWriter)cpid, cpattr);
}
/**
* Sets the output queue filter. Only writers active for this output queue
* will be listed.
* @param queueFilter Specifies the library and output queue name for which the writer
* jobs will be listed. The format of the queueFilter string must be in the
* format of /QSYS.LIB/libname.LIB/queuename.OUTQ, where
*
* libname is the library name that contains the queue for which to list writer
* jobs. It must be a specific library name.
* queuename is the name of an output queue for which to list writer jobs.
* It must be a specific output queue name.
*
* @exception PropertyVetoException If the change is vetoed.
*
**/
public void setQueueFilter(String queueFilter)
throws PropertyVetoException
{
if( queueFilter == null )
{
Trace.log( Trace.ERROR, "Parameter 'queueFilter' is null" );
throw new NullPointerException( QUEUE_FILTER );
}
String oldQueueFilter = getQueueFilter();
// Tell any vetoers about the change. If anyone objects
// we let the PropertyVetoException propagate back to
// our caller.
vetos.fireVetoableChange( QUEUE_FILTER, oldQueueFilter, queueFilter );
// No one vetoed, make the change.
NPCPSelWrtJ selectionCP = (NPCPSelWrtJ)getSelectionCP();
selectionCP.setQueue(queueFilter);
// Propagate change to ImplRemote if necessary...
if (impl_ != null)
impl_.setFilter("writerJobQueue", queueFilter);
// Notify any property change listeners.
changes.firePropertyChange( QUEUE_FILTER, oldQueueFilter, queueFilter );
}
/**
* Sets writer list filter.
* @param writerFilter The name of the writers to list.
* writer is the name of the writers to list.
* It can be a specific name, a generic name, or the special value *ALL.
* The default for the writerFilter is *ALL.
*
* @exception PropertyVetoException If the change is vetoed.
*
**/
public void setWriterFilter(String writerFilter)
throws PropertyVetoException
{
if( writerFilter == null )
{
Trace.log( Trace.ERROR, "Parameter 'writerFilter' is null" );
throw new NullPointerException( WRITER_FILTER );
}
// Allow a length of 0 to remove the filter from the
// selection code point. writerFilter.length() == 0 is OK.
if( writerFilter.length() > 10 )
{
Trace.log(Trace.ERROR, "Parameter 'writerFilter' is greater than 10 characters in length.");
throw new ExtendedIllegalArgumentException(
"writerFilter("+writerFilter+")",
ExtendedIllegalArgumentException.LENGTH_NOT_VALID);
}
String oldWriterFilter = getWriterFilter();
// Tell any vetoers about the change. If anyone objects
// we let the PropertyVetoException propagate back to
// our caller.
vetos.fireVetoableChange( WRITER_FILTER,
oldWriterFilter, writerFilter );
// No one vetoed, make the change.
NPCPSelWrtJ selectionCP = (NPCPSelWrtJ)getSelectionCP();
selectionCP.setWriter(writerFilter);
// Propagate change to ImplRemote if necessary...
if (impl_ != null)
impl_.setFilter("writer", writerFilter);
// Notify any property change listeners.
changes.firePropertyChange( WRITER_FILTER,
oldWriterFilter, writerFilter );
}
} // WriterJobList class