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Geomajas GWT2 client: Plugin Print - Implementation

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/*
 * This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
 *
 * Copyright 2008-2014 Geosparc nv, http://www.geosparc.com/, Belgium.
 *
 * The program is available in open source according to the GNU Affero
 * General Public License. All contributions in this program are covered
 * by the Geomajas Contributors License Agreement. For full licensing
 * details, see LICENSE.txt in the project root.
 */
package org.geomajas.gwt2.plugin.print.client;


import org.geomajas.gwt.client.command.AbstractCommandCallback;
import org.geomajas.gwt.client.command.GwtCommand;
import org.geomajas.gwt2.client.GeomajasServerExtension;
import org.geomajas.gwt2.plugin.print.client.event.PrintFinishedInfo;
import org.geomajas.gwt2.plugin.print.client.event.PrintRequestFinishedEvent;
import org.geomajas.gwt2.plugin.print.client.event.PrintRequestHandler;
import org.geomajas.gwt2.plugin.print.client.event.PrintRequestInfo;
import org.geomajas.gwt2.plugin.print.client.util.PrintConfiguration;
import org.geomajas.gwt2.plugin.print.client.event.PrintRequestStartedEvent;
import org.geomajas.plugin.printing.command.dto.PrintGetTemplateRequest;
import org.geomajas.plugin.printing.command.dto.PrintGetTemplateResponse;

import com.google.gwt.core.client.Callback;

/**
 * Default implementation of {@link PrintService}.
 * 
 * @author An Buyle
 * @author Jan Venstermans
 * 
 */
public class PrintServiceImpl implements PrintService {

	@Override
	public void print(PrintRequestInfo printRequestInfo, final Callback callback) {
		final PrintConfiguration.PostPrintAction postPrintAction = printRequestInfo.getPostPrintAction();
		final String fileName = printRequestInfo.getFileName();
		PrintGetTemplateRequest request = new PrintGetTemplateRequest();
		request.setTemplate(printRequestInfo.getPrintTemplateInfo());
		final GwtCommand command = new GwtCommand(PrintGetTemplateRequest.COMMAND);
		command.setCommandRequest(request);
		GeomajasServerExtension.getInstance().getCommandService().execute(command,
				new AbstractCommandCallback() {

					public void execute(PrintGetTemplateResponse response) {
						PrintFinishedInfo printFinishedInfo = new PrintFinishedInfo();
						printFinishedInfo.setEncodedUrl(Print.getInstance().getPrintUtil()
								.getPrintEncodeUrl(response.getDocumentId(), fileName,
										command.getUserToken(), postPrintAction));
						printFinishedInfo.setPostPrintAction(postPrintAction);
						callback.onSuccess(printFinishedInfo);
					}
				});
	}

	@Override
	public void print(PrintRequestInfo printRequestInfo, final PrintRequestHandler printRequestHandler) {
		printRequestHandler.onPrintRequestStarted(new PrintRequestStartedEvent(printRequestInfo));
		print(printRequestInfo, new Callback() {
			@Override
			public void onFailure(Void reason) {

			}

			@Override
			public void onSuccess(PrintFinishedInfo result) {
				printRequestHandler.onPrintRequestFinished(new PrintRequestFinishedEvent(result));
			}
		});
	}
}