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  • Committer: larshelge at gmail
  • Date: 2009-03-03 16:46:36 UTC
  • Revision ID: larshelge@gmail.com-20090303164636-2sjlrquo7ib1gf7r
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dhis-2/dhis-services/dhis-service-importexport/src/main/java/org/hisp/dhis/importexport/dxf/converter/DataSetMemberConverter.java
 
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package org.hisp.dhis.importexport.dxf.converter;
 
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/*
 
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 * Copyright (c) 2004-2007, University of Oslo
 
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 * All rights reserved.
 
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 *
 
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 * Redistribution and use in source and binary forms, with or without
 
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 * modification, are permitted provided that the following conditions are met:
 
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 * * Redistributions of source code must retain the above copyright notice, this
 
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 *   list of conditions and the following disclaimer.
 
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 * * Redistributions in binary form must reproduce the above copyright notice,
 
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 *   this list of conditions and the following disclaimer in the documentation
 
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 *   and/or other materials provided with the distribution.
 
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 * * Neither the name of the HISP project nor the names of its contributors may
 
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 *   be used to endorse or promote products derived from this software without
 
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 *   specific prior written permission.
 
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 *
 
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 
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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 
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 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 
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 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 
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 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 
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 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 
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 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
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 */
 
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import java.util.Collection;
 
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import java.util.Map;
 
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import org.hisp.dhis.jdbc.BatchHandler;
 
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import org.hisp.dhis.importexport.GroupMemberAssociation;
 
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import org.hisp.dhis.dataelement.DataElement;
 
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import org.hisp.dhis.dataset.DataSet;
 
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import org.hisp.dhis.importexport.AssociationType;
 
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import org.hisp.dhis.importexport.ExportParams;
 
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import org.hisp.dhis.importexport.GroupMemberType;
 
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import org.hisp.dhis.importexport.ImportObjectService;
 
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import org.hisp.dhis.importexport.ImportParams;
 
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import org.hisp.dhis.importexport.XMLConverter;
 
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import org.hisp.dhis.importexport.converter.AbstractGroupMemberConverter;
 
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import org.amplecode.staxwax.reader.XMLReader;
 
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import org.amplecode.staxwax.writer.XMLWriter;
 
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/**
 
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 * @author Lars Helge Overland
 
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 * @version $Id: DataSetMemberConverter.java 6455 2008-11-24 08:59:37Z larshelg $
 
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 */
 
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public class DataSetMemberConverter
 
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    extends AbstractGroupMemberConverter implements XMLConverter
 
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{
 
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    public static final String COLLECTION_NAME = "dataSetMembers";
 
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    public static final String ELEMENT_NAME = "dataSetMember";
 
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    private static final String FIELD_DATAELEMENT = "dataElement";
 
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    private static final String FIELD_DATASET = "dataSet";
 
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    // -------------------------------------------------------------------------
 
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    // Properties
 
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    // -------------------------------------------------------------------------
 
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    private Map<Object, Integer> dataElementMapping;
 
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    private Map<Object, Integer> dataSetMapping;
 
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    // -------------------------------------------------------------------------
 
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    // Constructor
 
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    // -------------------------------------------------------------------------
 
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    /**
 
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     * Constructor for write operations.
 
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     */
 
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    public DataSetMemberConverter()
 
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    {   
 
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    }
 
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    /**
 
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     * Constructor for read operations.
 
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     */
 
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    public DataSetMemberConverter( BatchHandler batchHandler, 
 
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        ImportObjectService importObjectService,
 
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        Map<Object, Integer> dataElementMapping, 
 
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        Map<Object, Integer> dataSetMapping )
 
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    {   
 
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        this.batchHandler = batchHandler;
 
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        this.importObjectService = importObjectService;
 
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        this.dataElementMapping = dataElementMapping;
 
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        this.dataSetMapping = dataSetMapping;
 
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    }
 
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    // -------------------------------------------------------------------------
 
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    // XMLConverter implementation
 
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    // -------------------------------------------------------------------------
 
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    public void write( XMLWriter writer, ExportParams params )
 
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    {
 
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        Collection<DataSet> dataSets = params.getDataSets();
 
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        if ( dataSets != null && dataSets.size() > 0 )
 
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        {
 
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            writer.openElement( COLLECTION_NAME );
 
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            for ( DataSet dataSet : dataSets )
 
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            {
 
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                if ( dataSet.getDataElements() != null )
 
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                {
 
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                    for ( DataElement element : dataSet.getDataElements() )
 
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                    {
 
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                        if ( params.getDataElements() != null && params.getDataElements().contains( element ) )
 
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                        {
 
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                            writer.openElement( ELEMENT_NAME );
 
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                            writer.writeElement( FIELD_DATASET, String.valueOf( dataSet.getId() ) );
 
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                            writer.writeElement( FIELD_DATAELEMENT, String.valueOf( element.getId() ) );
 
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                            writer.closeElement();
 
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                        }
 
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                    }
 
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                }
 
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            }
 
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            writer.closeElement();
 
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        }
 
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    }
 
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    public void read( XMLReader reader, ImportParams params )
 
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    {
 
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        while ( reader.moveToStartElement( ELEMENT_NAME, COLLECTION_NAME ) )
 
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        {
 
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            final GroupMemberAssociation association = new GroupMemberAssociation( AssociationType.SET );
 
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            reader.moveToStartElement( FIELD_DATASET );
 
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            association.setGroupId( dataSetMapping.get( Integer.parseInt( reader.getElementValue() ) ) );
 
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            reader.moveToStartElement( FIELD_DATAELEMENT );
 
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            association.setMemberId( dataElementMapping.get( Integer.parseInt( reader.getElementValue() ) ) );
 
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            read( association, GroupMemberType.DATASET, params );
 
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        }
 
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    }
 
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}