com.coherentlogic.coherent.data.adapter.application.AbstractApplication Maven / Gradle / Ivy
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package com.coherentlogic.coherent.data.adapter.application;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Frame;
import java.awt.GraphicsEnvironment;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import javax.annotation.PostConstruct;
import javax.swing.BoxLayout;
import javax.swing.ButtonGroup;
import javax.swing.ButtonModel;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.ScrollPaneConstants;
import javax.swing.SwingUtilities;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.context.ApplicationContext;
import com.coherentlogic.coherent.data.adapter.core.builders.AbstractQueryBuilder;
import com.coherentlogic.coherent.data.adapter.core.exceptions.IORuntimeException;
import com.coherentlogic.coherent.data.adapter.core.exceptions.InvalidURIException;
import com.coherentlogic.coherent.data.adapter.core.factories.TypedFactory;
import com.jamonapi.MonKey;
import com.jamonapi.MonKeyImp;
import com.jamonapi.Monitor;
import com.jamonapi.MonitorFactory;
import groovy.lang.Binding;
/**
* The front-end for the FRED Client that allows users to directly work with the
* {@link com.coherentlogic.fred.client.core.builders.QueryBuilder}.
*
* @author Support
*/
//@SpringBootApplication
//@EnableAutoConfiguration
////@ComponentScan(basePackages="com.coherentlogic.fred.client")//>
public abstract class AbstractApplication extends JFrame implements CommandLineRunner {
private static final long serialVersionUID = 1L;
private static final Logger log = LoggerFactory.getLogger(AbstractApplication.class);
private static final String LOG = "log";
private final String title;
private final JTextArea outputTextArea = new JTextArea();
private final JButton runScriptButton = new JButton("Run script");
private final ButtonGroup requestMenuItemsGroup = new ButtonGroup();
private final JMenu examplesMenu = new JMenu("Examples");
private final List exampleMenuItems = new ArrayList ();
private final Map radioButtonMap =
new HashMap ();
private GroovyEngine groovyEngine;
@Autowired
private ApplicationContext applicationContext;
private final ObjectStringifier objectStringifier = new ObjectStringifier ();
private final MonKey monKey = new MonKeyImp(
"Query the web services and return an instance of a domain class.",
TimeUnit.MILLISECONDS.toString());
private final Map>>>
groovyExampleBeanMap
= new HashMap>>> ();
protected AbstractApplication () {
this ("Example Demonstration Application");
}
protected AbstractApplication (String title) {
this.title = title;
}
/**
* @see #initialize()
*/
void initializeMenu (JTextArea inputTextArea) {
JMenuBar menuBar = new JMenuBar();
setJMenuBar(menuBar);
menuBar.add(examplesMenu);
groovyExampleBeanMap.forEach(
(key, groovyExampleBean) -> {
JRadioButtonMenuItem menuItem = new JRadioButtonMenuItem(key);
exampleMenuItems.add(menuItem);
examplesMenu.add(menuItem);
menuItem.addActionListener(
new MenuItemSelectedActionListener (
groovyExampleBeanMap,
inputTextArea
)
);
if (getDefaultExampleKey ().equals(key))
menuItem.setSelected(true);
requestMenuItemsGroup.add(menuItem);
radioButtonMap.put(menuItem.getModel(), menuItem);
}
);
addHelpAbout (menuBar);
}
protected abstract String getAPIJavadocURI ();
protected abstract String getAboutTitle ();
protected abstract String[] getAboutText ();
private void addHelpAbout (JMenuBar menuBar) {
JMenu helpMenu = new JMenu("Help");
menuBar.add(helpMenu);
addAPIMenuItem (helpMenu);
JMenuItem mntmAbout = new JMenuItem("About");
helpMenu.add(mntmAbout);
mntmAbout.addActionListener(
new ActionListener () {
@Override
public void actionPerformed(ActionEvent actionEvent) {
AboutDialog dialog;
try {
dialog = new AboutDialog (getAboutTitle (), getAboutText ());
} catch (IOException ioException) {
throw new IORuntimeException(
"Unable to create the AboutDialog.", ioException);
}
dialog.setVisible(true);
}
}
);
}
private void addAPIMenuItem (JMenu helpMenu) {
final String destination = getAPIJavadocURI ();
JMenuItem apiJavadocs = new JMenuItem("API Javadocs");
apiJavadocs.setForeground(Color.blue);
helpMenu.add(apiJavadocs);
apiJavadocs.addActionListener(
new ActionListener () {
@Override
public void actionPerformed(ActionEvent actionEvent) {
// This is for tracking purposes and will direct the user
// to http://coherentlogic.com/fredJavaDoc/
try {
AboutDialog.open(destination);
} catch (URISyntaxException uriSyntaxException) {
throw new InvalidURIException(
"Unable to open the destination: " + destination,
uriSyntaxException
);
}
}
}
);
}
protected abstract String getDefaultExampleKey ();
// {
// return "Hello Example";
// }
protected abstract void loadResources (
ApplicationContext applicationContext,
Map>>>
groovyExampleBeanMap,
GroovyEngine groovyEngine
) throws Exception;
// protected void loadResources (
// ApplicationContext applicationContext,
// Map>>>
// groovyExampleBeanMap,
// GroovyEngine groovyEngine
// ) throws Exception {
//
// ClassPathResource helloResource = (ClassPathResource) applicationContext.getBean("helloExampleResource");
//
// StringWriter helloStringWriter = new StringWriter ();
//
// InputStream helloIn = helloResource.getInputStream();
//
// IOUtils.copy(helloIn, helloStringWriter);
//
// String helloExample = helloStringWriter.toString();
//
// groovyExampleBeanMap.put(
// "Hello Example",
// new GroovyExampleBean>>(
// helloExample,
// null,
// groovyEngine
// )
// );
//
// ClassPathResource worldResource = (ClassPathResource) applicationContext.getBean("worldExampleResource");
//
// StringWriter worldStringWriter = new StringWriter ();
//
// InputStream worldIn = worldResource.getInputStream();
//
// IOUtils.copy(worldIn, worldStringWriter);
//
// String worldExample = worldStringWriter.toString();
//
// groovyExampleBeanMap.put(
// "World Example",
// new GroovyExampleBean>>(
// worldExample,
// null,
// groovyEngine
// )
// );
// }
String getSelectedExampleMenuItemText () {
String result = null;
for (JMenuItem nextMenuItem : exampleMenuItems) {
if (nextMenuItem.isSelected()) {
result = nextMenuItem.getText();
break;
}
}
if (result == null)
throw new IllegalStateException("At least one menu item must be selected.");
log.info("result: " + result);
return result;
}
/**
* Method configures the Swing components that are added to this object's
* JFrame.
*/
@PostConstruct
public void initialize () {
Binding binding = new Binding ();
groovyEngine = new GroovyEngine (binding);
groovyEngine.setVariable(LOG, log);
try {
loadResources(applicationContext, groovyExampleBeanMap, groovyEngine);
} catch (Exception exception) {
exception.printStackTrace();
System.exit(9999);
}
setTitle(title);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
final JPanel parent = new JPanel();
parent.setLayout(new BorderLayout());
final JPanel panel = new JPanel();
panel.setLayout(new BoxLayout(panel, BoxLayout.PAGE_AXIS));
parent.add(panel);
getContentPane().add(parent, BorderLayout.CENTER);
setExtendedState(Frame.MAXIMIZED_BOTH);
JLabel enterYourQueryLabel = new JLabel("Enter your query here:");
panel.add(enterYourQueryLabel);
final JTextArea inputTextArea = new JTextArea();
JScrollPane inputTextAreaScrollPane = new JScrollPane(inputTextArea);
inputTextAreaScrollPane.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
inputTextAreaScrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
initializeMenu(inputTextArea);
String defaultExampleKey = getDefaultExampleKey();
GroovyExampleBean>> defaultExampleValue =
groovyExampleBeanMap.get(defaultExampleKey);
inputTextArea.setText(defaultExampleValue.getScriptText());
inputTextArea.setColumns(80);
inputTextArea.setRows(40);
panel.add(inputTextAreaScrollPane);
panel.add(runScriptButton);
JLabel outputAppearsBelowLabel = new JLabel("The output appears below:");
panel.add(outputAppearsBelowLabel);
outputTextArea.setColumns(80);
outputTextArea.setRows(40);
JScrollPane outputTextAreaScrollPane = new JScrollPane(outputTextArea);
outputTextAreaScrollPane.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
panel.add(outputTextAreaScrollPane);
GraphicsEnvironment env = GraphicsEnvironment.getLocalGraphicsEnvironment();
Rectangle bounds = env.getMaximumWindowBounds();
setBounds(bounds);
runScriptButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent actionEvent) {
// A bit sloppy.
String key = getSelectedExampleMenuItemText ();
GroovyExampleBean>> groovyExampleBean
= groovyExampleBeanMap.get(key);
String scriptText = inputTextArea.getText();
log.info("scriptText:\n\n" + scriptText);
Object result = null;
Monitor monitor = MonitorFactory.start(monKey);
try {
result = groovyExampleBean.execute(panel, scriptText);
} catch (Throwable throwable) {
log.error("Evaluation failed for the script:\n\n" + scriptText, throwable);
String errorMessage = throwable.getMessage();
SwingUtilities.invokeLater(
() -> {
JOptionPane.showMessageDialog(
panel,
(errorMessage == null || "".equals(errorMessage))
? "No error message provided -- see the log, which should have more details."
: errorMessage,
"Evaluation failed!",
JOptionPane.ERROR_MESSAGE
);
}
);
return;
} finally {
monitor.stop();
log.info ("JAMon report: " + monitor);
}
log.info("result: " + result);
if (result != null) {
String stringifiedResult = objectStringifier.toString(result);
String fullResult =
"// Note that null values are not indicative of a problem, per se, for \n" +
"// example the PrimaryKey is only ever assigned when the object has been \n" +
"// saved to a database and since this does not happen in this example.\n\n\n" +
stringifiedResult;
outputTextArea.setText(fullResult);
}
}
}
);
}
/**
* The main method uses the Spring application context to get an instance of
* {@link AbstractApplication} and then displays this object.
*/
@Override
public void run(String... args) throws Exception {
setVisible(true);
}
public static void main (String[] unused) throws InterruptedException {
try {
SpringApplicationBuilder builder =
new SpringApplicationBuilder (AbstractApplication.class);
builder
.web(false)
.headless(false)
.registerShutdownHook(true)
.run(unused);
} catch (Throwable thrown) {
log.error("ExampleApplication.main caught an exception.", thrown);
}
Thread.sleep(Long.MAX_VALUE);
System.exit(-9999);
}
}
/**
* An {@link java.awt.event ActionListener} implementation that adds a given example to the inputTextArea when the user
* selects a given {@link javax.swing.JMenuItem}.
*
* @author Support
*/
class MenuItemSelectedActionListener implements ActionListener {
private final Map>>>
groovyExampleBeanMap;
private final JTextArea inputTextArea;
public MenuItemSelectedActionListener(
Map>>>
groovyExampleBeanMap,
JTextArea inputTextArea
) {
this.groovyExampleBeanMap = groovyExampleBeanMap;
this.inputTextArea = inputTextArea;
}
@Override
public void actionPerformed(ActionEvent actionEvent) {
JMenuItem menuItem = (JMenuItem) actionEvent.getSource();
String key = menuItem.getText();
GroovyExampleBean>> groovyExampleBean
= groovyExampleBeanMap.get(key);
String example = groovyExampleBean.getScriptText();
inputTextArea.setText(example);
}
}
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