com.sap.dirigible.ide.repository.ui.command.PasteHandler.java Source code

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Here is the source code for com.sap.dirigible.ide.repository.ui.command.PasteHandler.java

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/*******************************************************************************
 * Copyright (c) 2014 SAP AG or an SAP affiliate company. 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.sap.dirigible.ide.repository.ui.command;

import java.io.IOException;
import java.util.Iterator;
import java.util.SortedSet;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.jface.dialogs.MessageDialog;

import com.sap.dirigible.ide.repository.RepositoryFacade;
import com.sap.dirigible.repository.api.IEntity;
import com.sap.dirigible.repository.api.IRepository;

public class PasteHandler extends AbstractClipboardHandler {

    private static final String SOME_OR_ALL_OF_THE_FILES_COULD_NOT_BE_PASTED = Messages.PasteHandler_SOME_OR_ALL_OF_THE_FILES_COULD_NOT_BE_PASTED;
    private static final String PASTE_ERROR = Messages.PasteHandler_PASTE_ERROR;

    protected void execute(ExecutionEvent event, SortedSet<IEntity> resources) {
        if (resources.size() == 0) {
            return;
        }

        IRepository repository = RepositoryFacade.getInstance().getRepository();

        String targetReposiotryPath = resources.first().getPath().toString();

        Clipboard clipboard = Clipboard.getInstance();

        String command = clipboard.getCommand();

        Throwable throwable = null;
        if (CUT.equals(command) || COPY.equals(command)) {

            for (Iterator<?> iterator = clipboard.iterator(); iterator.hasNext();) {
                IEntity resource = (IEntity) iterator.next();
                String sourceRepositoryPath = resource.getPath().toString();
                try {
                    byte[] data = repository.exportZip(sourceRepositoryPath, true);
                    repository.importZip(data, targetReposiotryPath);
                } catch (IOException e) {
                    if (throwable == null) {
                        throwable = e;
                    }
                }
                if (CUT.equals(command)) {
                    try {
                        resource.delete();
                    } catch (IOException e) {
                        if (throwable == null) {
                            throwable = e;
                        }
                    }
                }
            }
        }

        if (throwable != null) {
            MessageDialog.openWarning(null, PASTE_ERROR, SOME_OR_ALL_OF_THE_FILES_COULD_NOT_BE_PASTED);
        }

        RefreshHandler.refreshActivePart(event);

    }

}