Revision 8481f952
Added by Andreas Müller almost 4 years ago
| eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/CdmDataTransfer.java | ||
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/** |
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* Copyright (C) 2007 EDIT |
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* European Distributed Institute of Taxonomy
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* European Distributed Institute of Taxonomy |
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* http://www.e-taxonomy.eu |
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*
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* |
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* The contents of this file are subject to the Mozilla Public License Version 1.1 |
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* See LICENSE.TXT at the top of this package for the full license terms. |
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*/ |
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* |
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* @author n.hoffmann |
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* @created Jun 18, 2010 |
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* @version 1.0 |
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*/ |
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public class CdmDataTransfer extends ByteArrayTransfer {
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private static final Logger logger = Logger |
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.getLogger(CdmDataTransfer.class); |
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@SuppressWarnings("unused")
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private static final Logger logger = Logger.getLogger(CdmDataTransfer.class); |
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private static int SEPARATOR = -10; |
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private static int EOF = -20; |
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private static final String TYPE_NAME = "cdmdata-transfer-format"; //$NON-NLS-1$ |
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private static final int TYPE_ID = registerType (TYPE_NAME);
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private static final int TYPE_ID = registerType (TYPE_NAME); |
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private static final CdmDataTransfer instance = new CdmDataTransfer(); |
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/** |
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* <p>Getter for the field <code>instance</code>.</p> |
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* |
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} |
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private ICdmBase cdmBase; |
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/* (non-Javadoc) |
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* @see org.eclipse.swt.dnd.Transfer#getTypeIds() |
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*/ |
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/** {@inheritDoc} */
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@Override |
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protected int[] getTypeIds() {
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return new int[] { TYPE_ID };
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return new int[] { TYPE_ID };
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} |
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/* (non-Javadoc) |
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* @see org.eclipse.swt.dnd.Transfer#getTypeNames() |
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*/ |
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/** {@inheritDoc} */
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@Override |
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protected String[] getTypeNames() {
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return new String[]{ TYPE_NAME };
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} |
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/** {@inheritDoc} */
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@Override |
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protected void javaToNative(Object object, TransferData transferData) {
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byte[] bytes = toByteArray((ICdmBase[]) object); |
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if (bytes != null) |
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super.javaToNative(bytes, transferData); |
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if (bytes != null) {
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super.javaToNative(bytes, transferData); |
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} |
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} |
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/** {@inheritDoc} */
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@Override |
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protected Object nativeToJava(TransferData transferData) {
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byte[] bytes = (byte[]) super.nativeToJava(transferData); |
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byte[] bytes = null; |
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try {
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for(ICdmBase cdmBaseObject : cdmBaseObjects){
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writeCdmBaseObject(cdmBaseObject, out); |
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} |
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} |
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return bytes; |
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} |
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private ICdmBase[] fromByteArray(byte[] bytes) {
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DataInputStream in = new DataInputStream(new ByteArrayInputStream(bytes)); |
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try {
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List<ICdmBase> cdmBaseObjects = new ArrayList<ICdmBase>(); |
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try{
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while(true){
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cdmBaseObjects.add(readCdmBaseObject(in)); |
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return null; |
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} |
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} |
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private ICdmBase readCdmBaseObject(DataInputStream in) throws IOException{
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String className = in.readUTF(); |
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in.readInt(); |
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String idString = in.readUTF(); |
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in.readInt(); |
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if(className.equals(Synonym.class.getName()) || className.equals(Taxon.class.getName())){
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ICdmBase object = CdmStore.getService(ITaxonService.class).load(UUID.fromString(idString)); |
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if(object == null){
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return cdmBase; |
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} |
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return object; |
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} |
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return null; |
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} |
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private void writeCdmBaseObject(ICdmBase cdmBase, DataOutputStream out) throws IOException{
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/** |
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* CdmBase object serialization: |
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*
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* |
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*/ |
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out.writeUTF(cdmBase.getClass().getName()); |
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out.writeInt(SEPARATOR); |
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out.writeUTF(cdmBase.getUuid().toString()); |
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out.writeInt(EOF); |
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if(cdmBase.getId() == 0){
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// fallback for unsaved instances |
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this.cdmBase = cdmBase; |
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