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Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. /
package org.apache.cayenne.modeler.util;
import  org.apache.cayenne.util.XMLEncoder;
import  org.apache.cayenne.util.XMLSerializable;

CayenneTransferable is a data holder of Cayenne object(s), like Entities, Attributes, Relationships etc.
public class CayenneTransferable implements Transferable {
Flavor used for copy-paste between Cayenne Modeler applications
    public static final DataFlavor CAYENNE_FLAVOR = new DataFlavor(Serializable.class"Cayenne Object");
Supported flavors
    private static final DataFlavor[] FLAVORS = new DataFlavor[] { . };
Data in the buffer
    private Object data;
    public CayenneTransferable(Object data) {
        this. = data;
            IOException {
        if (flavor == ) {
            return ;
        else {
            StringWriter out = new StringWriter();
            XMLEncoder encoder = new XMLEncoder(new PrintWriter(out), "\t");
            encoder.println("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
            if ( instanceof XMLSerializable) {
                ((XMLSerializable) ).encodeAsXML(encoder);
            else if ( instanceof List) {
                for (Object o : (List) {
                    ((XMLSerializable) o).encodeAsXML(encoder);
            return out.toString();
    public DataFlavor[] getTransferDataFlavors() {
        return ;
    public boolean isDataFlavorSupported(DataFlavor flavor) {
        return flavor ==  || flavor == .;
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