/*
Copyright 2011-2016 Google Inc. All Rights Reserved.

Licensed 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

    http://www.apache.org/licenses/LICENSE-2.0

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 com.google.security.zynamics.zylib.gui.dndtree;

import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.util.Arrays;

import javax.swing.tree.DefaultMutableTreeNode;

public class TransferableNode implements Transferable {
  public static final DataFlavor NODE_FLAVOR = new DataFlavor(
      DataFlavor.javaJVMLocalObjectMimeType, "Node");
  private final DefaultMutableTreeNode node;
  private final DataFlavor[] flavors = {NODE_FLAVOR};

  public TransferableNode(final DefaultMutableTreeNode nd) {
    node = nd;
  }

  @Override
  public synchronized Object getTransferData(final DataFlavor flavor)
      throws UnsupportedFlavorException {
    if (flavor == NODE_FLAVOR) {
      return node;
    } else {
      throw new UnsupportedFlavorException(flavor);
    }
  }

  @Override
  public DataFlavor[] getTransferDataFlavors() {
    return flavors;
  }

  @Override
  public boolean isDataFlavorSupported(final DataFlavor flavor) {
    return Arrays.asList(flavors).contains(flavor);
  }
}