es.ree.eemws.kit.gui.applications.browser.GetMessageSender Maven / Gradle / Ivy

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Client implementation of IEC 62325-504 technical specification. eemws-kit includes command line utilities to invoke the eem web services, as well as several GUI applications (browser, editor, ...)
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/*
 * Copyright 2024 Redeia.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 *  by the Free Software Foundation, version 3 of the license.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTIBIILTY or FITNESS FOR A PARTICULAR PURPOSE. See GNU Lesser General
 * Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program. If not, see
 * http://www.gnu.org/licenses/.
 *
 * Any redistribution and/or modification of this program has to make
 * reference to Redeia as the copyright owner of the program.
 */
package es.ree.eemws.kit.gui.applications.browser;

import java.io.IOException;
import java.io.Serializable;
import java.math.BigInteger;
import java.net.URL;

import javax.swing.JOptionPane;

import es.ree.eemws.client.get.GetMessage;
import es.ree.eemws.core.utils.operations.get.GetOperationException;
import es.ree.eemws.kit.gui.common.Logger;

/**
 * Sends 'Get' message to server.
 *
 * @author Redeia.
 * @version 2.1 01/01/2024
 */
public final class GetMessageSender implements Serializable {

	/** Serial version UID. */
	private static final long serialVersionUID = 4453340866823196148L;

	/** Message request object. */
	private transient GetMessage get;

	/** Reference to main window. */
	private Browser mainWindow;

	/** Reference to status bar. */
	private StatusBar status;

	/** Log object. */
	private Logger logger;

	/**
	 * Constructor. Creates new instance of request messages handler.
	 *
	 * @param url       URL to which requests are sent.
	 * @param principal Reference to main window.
	 */
	public GetMessageSender(final URL url, final Browser principal) {

		get = new GetMessage();
		mainWindow = principal;

		status = principal.getStatusBar();
		logger = principal.getLogHandle().getLog();

		setEndPoint(url);
	}

	/**
	 * Sets URL of the system to which requests are made.
	 *
	 * @param url URL of the system to which requests are made.
	 */
	public void setEndPoint(final URL url) {

		get.setEndPoint(url);
	}

	/**
	 * Retrieves currently selected message/s.
	 */
	public void retrieve() {
		var dataTable = mainWindow.getDataTable();
		var selectedRows = dataTable.getSelectedRows();
		var len = selectedRows.length;

		if (len == 0) {
			String msg;
			if (dataTable.getModel().getRowCount() == 0) {
				msg = MessageCatalog.BROWSER_NO_MESSAGES_TO_GET.getMessage();
			} else {
				msg = MessageCatalog.BROWSER_SELECT_MESSAGES_TO_GET.getMessage();
			}
			logger.logMessage(msg);
			status.setStatus(msg);
			JOptionPane.showMessageDialog(mainWindow, msg,
			        es.ree.eemws.kit.gui.common.MessageCatalog.MSG_INFO_TITLE.getMessage(),
			        JOptionPane.INFORMATION_MESSAGE);
		} else if (len > 1) {
			var msg = MessageCatalog.BROWSER_RETRIEVING_SEVERAL_MESSAGES.getMessage(len);
			logger.logMessage(msg);
			status.setStatus(msg);
			mainWindow.enableScreen(false);
			for (var cont = 0; cont < len; cont++) {
				retieveWhenDisabled(dataTable.getSelectedRows()[cont]);
			}
			mainWindow.enableScreen(true);
		} else {
			mainWindow.enableScreen(false);
			var row = dataTable.getSelectedRow();
			Long codigo = ((BigInteger) dataTable.getModel().getAbsoluteValueAt(row, ColumnsId.CODE.ordinal()))
			        .longValue();

			var idMensaje = getMessageId(row, dataTable);

			var answer = JOptionPane.showConfirmDialog(mainWindow,
			        MessageCatalog.BROWSER_RETRIEVE_MESSAGE_CONFIRMATION.getMessage(idMensaje, codigo),
			        es.ree.eemws.kit.gui.common.MessageCatalog.MSG_CONFIRM_TITLE.getMessage(),
			        JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);

			if (answer == JOptionPane.OK_OPTION) {
				retieveWhenDisabled(row);
			}
			mainWindow.enableScreen(true);
		}
	}

	/**
	 * Performs the message retrieval once the graphic components are disabled.
	 *
	 * @param row Row index.
	 * @see #retrieve().
	 */
	private void retieveWhenDisabled(final int row) {

		var dataTable = mainWindow.getDataTable();

		var idMensaje = getMessageId(row, dataTable);

		Long codigo = ((BigInteger) dataTable.getModel().getAbsoluteValueAt(row, ColumnsId.CODE.ordinal())).longValue();

		var msg = MessageCatalog.BROWSER_RETRIEVING_FILE.getMessage(idMensaje, codigo);

		logger.logMessage(msg);
		status.setStatus(msg);

		try {
			var response = get.get(codigo);

			msg = MessageCatalog.BROWSER_RETRIEVED_FILE.getMessage(idMensaje, codigo);

			logger.logMessage(msg);
			status.setStatus(msg);

			var ficheroHandle = mainWindow.getFileHandle();
			ficheroHandle.saveFile(idMensaje, response);
		} catch (GetOperationException e) {
			msg = MessageCatalog.BROWSER_UNABLE_TO_GET.getMessage(e.getMessage());
			status.setStatus(msg);
			logger.logMessage(msg);
			JOptionPane.showMessageDialog(mainWindow, msg,
			        es.ree.eemws.kit.gui.common.MessageCatalog.MSG_ERROR_TITLE.getMessage(), JOptionPane.ERROR_MESSAGE);
		} catch (IOException e) {
			msg = es.ree.eemws.kit.cmd.MessageCatalog.UNABLE_TO_WRITE.getMessage(idMensaje);
			status.setStatus(msg);
			logger.logMessage(msg);
			JOptionPane.showMessageDialog(mainWindow, msg,
			        es.ree.eemws.kit.gui.common.MessageCatalog.MSG_ERROR_TITLE.getMessage(), JOptionPane.ERROR_MESSAGE);
		}
	}

	/**
	 * Returns message identification as  + "." + . If the message has
	 * no version only the  part will be returned.
	 *
	 * @param row       Table view row number.
	 * @param dataTable Data table.
	 * @return Identification of the message that appears at row row
	 */
	private String getMessageId(final int row, final DataTable dataTable) {
		var idMensaje = new StringBuilder()
		        .append((String) dataTable.getModel().getAbsoluteValueAt(row, ColumnsId.ID.ordinal()));
		var version = (BigInteger) dataTable.getModel().getAbsoluteValueAt(row, ColumnsId.VERSION.ordinal());

		if (version != null) {
			idMensaje.append(".").append(version.toString()); //$NON-NLS-1$
		}
		return idMensaje.toString();
	}
}