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src/main/java/envoy/client/EnvoyClient.java

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+package envoy.client;
+
+import java.awt.EventQueue;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.time.Instant;
+
+import javax.ws.rs.client.Client;
+import javax.ws.rs.client.ClientBuilder;
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.core.Response;
+import javax.xml.bind.JAXBException;
+import javax.xml.datatype.DatatypeConfigurationException;
+import javax.xml.datatype.DatatypeFactory;
+
+import envoy.client.ui.ChatWindow;
+import envoy.schema.Message;
+import envoy.schema.ObjectFactory;
+
+/**
+ * Project: <strong>envoy-client</strong><br>
+ * File: <strong>EnvoyClient.java</strong><br>
+ * Created: <strong>28 Sep 2019</strong><br>
+ * Author: <strong>Kai S. K. Engelbart and Maximilian K&aumlfer</strong>
+ */
+
+public class EnvoyClient {
+
+	public static String content1 = "";
+	
+	
+	/**
+	 * Calls Class ChatWidow
+	 */
+	public static void main(String[] args) throws DatatypeConfigurationException, JAXBException {
+		EventQueue.invokeLater(new Runnable() {
+			public void run() {
+				try {
+					ChatWindow frame = new ChatWindow();
+					frame.setVisible(true);
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			}
+		});
+	}
+	
+	/**
+	 * specifies data <br>
+	 * sends xml to server <br>
+	 * gets response from server (currently 204)
+	 */
+	public static void sendMessage() throws DatatypeConfigurationException, JAXBException {
+		
+		ObjectFactory factory = new ObjectFactory();
+		
+		Message.MetaData metaData = factory.createMessageMetaData();
+		metaData.setSender("Kai");
+		metaData.setRecipient("Maxi");
+		metaData.setState(false);
+		metaData.setDate(DatatypeFactory.newInstance().newXMLGregorianCalendar(Instant.now().toString()));
+
+		Message.Content content = factory.createMessageContent();
+		content.setType("text");
+		content.setText(content1);
+
+		Message message = factory.createMessage();
+		message.setMetaData(metaData);
+		message.getContent().add(content);
+
+		Client		client		= ClientBuilder.newClient();
+		WebTarget	target		= client.target("http://localhost:8080/envoy-server/rest/message/send");
+		Response	response	= target.request().post(Entity.entity(message, "application/xml"));
+		System.out.println("Response code: " + response.getStatus());
+		response.close();
+		
+		
+		
+	}
+	
+	/**
+	 * sets content of xml to content from ChatWindow
+	 */
+	public void setContent (String content2) {
+		content1 = content2;
+	}
+	
+}

src/main/java/envoy/client/ui/ChatWindow.java

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+package envoy.client.ui;
+
+import java.awt.BorderLayout;
+import java.awt.EventQueue;
+
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JTextArea;
+import javax.swing.JTextPane;
+import javax.swing.border.EmptyBorder;
+import javax.xml.bind.JAXBException;
+import javax.xml.datatype.DatatypeConfigurationException;
+
+import envoy.client.EnvoyClient;
+
+import java.awt.GridBagLayout;
+import java.awt.Insets;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.JButton;
+import java.awt.GridBagConstraints;
+import java.awt.Color;
+
+/**
+ * Project: <strong>envoy-client</strong><br>
+ * File: <strong>ChatWindow.java</strong><br>
+ * Created: <strong>28 Sep 2019</strong><br>
+ * Author: <strong>Maximilian K&aumlfer </strong>
+ */
+
+public class ChatWindow extends JFrame {
+
+	private JPanel contentPane;
+	EnvoyClient envoyClient = new EnvoyClient();
+
+	public ChatWindow() {
+		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		setBounds(100, 100, 600, 800);
+		contentPane = new JPanel();
+		contentPane.setBackground(new Color(220, 220, 220));
+		contentPane.setForeground(new Color(0, 0, 0));
+		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
+		setContentPane(contentPane);
+		GridBagLayout gbl_contentPane = new GridBagLayout();
+		gbl_contentPane.columnWidths = new int[]{1, 1, 1};
+		gbl_contentPane.rowHeights = new int[]{1, 1, 1};
+		gbl_contentPane.columnWeights = new double[]{0.3, 1.0, 0.1};
+		gbl_contentPane.rowWeights = new double[]{0.05, 1, 0.07};
+		contentPane.setLayout(gbl_contentPane);
+				
+		
+		// Message enter field ----------------------------------------------------------------------------
+				JTextArea messageEnterTextfield = new JTextArea();
+				messageEnterTextfield.setLineWrap(true);
+				
+				GridBagConstraints gbc_moveSelectionMessageEnterTextfield = new GridBagConstraints();
+				gbc_moveSelectionMessageEnterTextfield.fill = GridBagConstraints.BOTH;
+				gbc_moveSelectionMessageEnterTextfield.gridx = 1;
+				gbc_moveSelectionMessageEnterTextfield.gridy = 2;
+				
+				//gbc_moveSelectionMessageEnterTextfield.gridwidth = 10;
+				
+				gbc_moveSelectionMessageEnterTextfield.insets = new Insets(10, 10, 10, 10);
+				
+				contentPane.add(messageEnterTextfield, gbc_moveSelectionMessageEnterTextfield);
+
+		
+		// Post Button -----------------------------------------------------------------------------------
+		JButton postButton = new JButton("Post");
+		postButton.setForeground(new Color(255, 255, 255));
+		postButton.setBackground(new Color(0, 100, 0));
+
+		GridBagConstraints gbc_moveSelectionPostButton = new GridBagConstraints();
+		
+		gbc_moveSelectionPostButton.fill = GridBagConstraints.BOTH;
+		gbc_moveSelectionPostButton.gridx = 2;
+		gbc_moveSelectionPostButton.gridy = 2;
+		
+		gbc_moveSelectionPostButton.insets = new Insets(10, 10, 10, 10);
+		
+		contentPane.add(postButton, gbc_moveSelectionPostButton);
+		
+		
+		postButton.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+					try {
+						if(messageEnterTextfield.getText().isEmpty() == false) {
+							envoyClient.setContent(messageEnterTextfield.getText());
+							envoyClient.sendMessage();
+						}
+						
+					} catch (DatatypeConfigurationException | JAXBException e1) {
+						// TODO Auto-generated catch block
+						e1.printStackTrace();
+					}
+				
+				}
+			});
+		
+		
+		
+		
+		
+	}
+
+}