ArcGIS Engine Developer Guide

BUILDING APPLICATIONS WITH VISUAL JAVABEANS
In addition, objects from the following libraries will be used:
• Carto • Geometry • Control commands
• Display • SystemUI
In the Java API, their package names are prefixed by ‘com.esri.arcgis’.
To reference the above-mentioned packages, the following JAR files must be
added to your class path:
• arcobjects.jar, located at \ArcGIS\java\opt
• arcgis_visualbeans.jar, located at \ArcGIS\java\opt
• jintegra.jar, located at \ArcGIS\java
IMPLEMENTATION
To implement this scenario follow the steps below. While the scenario specifically
uses the Gulf of St. Lawrence map document installed with the samples, you can
use your own map document instead. The implementation below provides you
with all the code you will need to successfully complete the scenario. It doesn’t
provide step-by-step instructions to develop applications in Java, as it assumes
that you have a working knowledge of the development environment already.
Setting up the development environment
To compile and run applications using the ArcGIS Engine Developer Kit, your
development environment should be set up as described in the Java API section
of Chapter 4, ‘Developer environments’.
Use your favorite text editor or IDE to write
your source code.
Building a GUI using the visual components
1. Create a new file called MapViewerFrame.java. The MapViewerFrame class
will provide the GUI and functionality of the map viewer application. Implement
this class as a subclass of javax.swing.JFrame.
// MapViewerFrame.java
import java.io.IOException;
import javax.swing.JFrame;
public class MapViewerFrame extends JFrame {
// Constructor
public MapViewerFrame() {
setTitle("MapViewer");
}
public void buildAndShow() throws IOException {
this.setVisible(true);
}
} // end MapViewerFrame class
2. Create a new file called MapViewer.java. This will provide the main method,
which will construct the MapViewerFrame, give it an initial size, and launch
it:
// MapViewer.java
import java.awt.Dimension;
import java.awt.Toolkit;
306 • ArcGIS Engine Developer Guide