Revision baafe6d6
Added by Patrick Plitzner over 5 years ago
| eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/model/CdmObjectTransfer.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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* @version 1.0 |
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*/ |
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public abstract class CdmObjectTransfer<T extends ICdmBase> extends ByteArrayTransfer {
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/* (non-Javadoc) |
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* @see org.eclipse.swt.dnd.ByteArrayTransfer#javaToNative(java.lang.Object, org.eclipse.swt.dnd.TransferData) |
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*/ |
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@Override |
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protected void javaToNative(Object object, TransferData transferData) {
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if (object != null){
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byte[] bytes = toByteArray((T[]) 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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} |
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/* (non-Javadoc) |
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* @see org.eclipse.swt.dnd.ByteArrayTransfer#nativeToJava(org.eclipse.swt.dnd.TransferData) |
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*/ |
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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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} |
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return null; |
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} |
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protected byte[] toByteArray(T[] elements) {
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ByteArrayOutputStream byteOut = new ByteArrayOutputStream(); |
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DataOutputStream out = new DataOutputStream(byteOut); |
| ... | ... | |
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byte[] bytes = null; |
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try {
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for(T element : elements){
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writeElementUuid(element, out); |
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} |
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} |
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return bytes; |
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} |
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private void writeElementUuid(T element, DataOutputStream out) throws IOException {
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out.writeUTF(element.getUuid().toString());
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out.writeUTF(element.getUuid().toString()); |
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} |
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protected Object fromByteArray(byte[] bytes) {
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try {
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List<T> elements = new ArrayList<T>(); |
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try{
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while(true){
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UUID uuid = readElementUuid(in); |
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} |
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public abstract T loadElement(UUID uuid); |
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/** |
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* @param in |
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* @return |
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* @throws IOException |
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*/ |
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public UUID readElementUuid(DataInputStream in) throws IOException{
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return UUID.fromString(in.readUTF()); |
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} |
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