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Vaadin is a web application framework for Rich Internet Applications (RIA). Vaadin enables easy development and maintenance of fast and secure rich web applications with a stunning look and feel and a wide browser support. It features a server-side architecture with the majority of the logic running on the server. Ajax technology is used at the browser-side to ensure a rich and interactive user experience.

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/*
 * Copyright 2000-2014 Vaadin Ltd.
 * 
 * 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.vaadin.client.ui.dd;

import com.vaadin.client.ComponentConnector;
import com.vaadin.client.UIDL;
import com.vaadin.shared.ui.dd.AcceptCriterion;
import com.vaadin.ui.AbstractSelect;

@AcceptCriterion(AbstractSelect.AcceptItem.class)
final public class VItemIdIs extends VAcceptCriterion {

    @Override
    protected boolean accept(VDragEvent drag, UIDL configuration) {
        try {
            String pid = configuration.getStringAttribute("s");
            ComponentConnector dragSource = drag.getTransferable()
                    .getDragSource();
            String pid2 = dragSource.getConnectorId();
            if (pid2.equals(pid)) {
                Object searchedId = drag.getTransferable().getData("itemId");
                String[] stringArrayAttribute = configuration
                        .getStringArrayAttribute("keys");
                for (String string : stringArrayAttribute) {
                    if (string.equals(searchedId)) {
                        return true;
                    }
                }
            }
        } catch (Exception e) {
        }
        return false;
    }
}