<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">package Basic.Vrml97Specification;

import org.web3d.x3d.jsail.Core.*;
import org.web3d.x3d.jsail.fields.*;
import org.web3d.x3d.jsail.Geometry3D.*;
import org.web3d.x3d.jsail.Grouping.*;
import org.web3d.x3d.jsail.Navigation.*;
import org.web3d.x3d.jsail.Shape.*;

// Javadoc metadata annotations follow, see below for X3DJSAIL Java source code.
/**
 * &lt;p&gt; VRML 97 specification example: Prototype. &lt;/p&gt;
 &lt;p&gt; Related links: Catalog page &lt;a href="../../../Vrml97Specification/Example04Index.html" target="_blank"&gt;Example04&lt;/a&gt;,  source &lt;a href="../../../Vrml97Specification/Example04.java"&gt;Example04.java&lt;/a&gt;, &lt;a href="https://www.web3d.org/x3d/content/examples/X3dResources.html" target="_blank"&gt;X3D Resources&lt;/a&gt;, &lt;a href="https://www.web3d.org/x3d/content/examples/X3dSceneAuthoringHints.html" target="_blank"&gt;X3D Scene Authoring Hints&lt;/a&gt;, and &lt;a href="https://www.web3d.org/x3d/content/X3dTooltips.html" target="_blank"&gt;X3D Tooltips&lt;/a&gt;. &lt;/p&gt;
	&lt;table style="color:black; border:0px solid; border-spacing:10px 0px;"&gt;
        &lt;caption&gt;Scene Meta Information&lt;/caption&gt;
		&lt;tr style="background-color:silver; border-color:silver;"&gt;
			&lt;td style="text-align:center; padding:10px 0px;"&gt;&lt;i&gt;meta tags&lt;/i&gt;&lt;/td&gt;
			&lt;td style="text-align:left;   padding:10px 0px;"&gt;&amp;nbsp; Document Metadata &lt;/td&gt;
		&lt;/tr&gt;

		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; title &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="../../../Vrml97Specification/Example04.x3d"&gt;Example04.x3d&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; creator &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Don Brutzman &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; created &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; 24 May 2000 &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; modified &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; 28 October 2019 &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; creator &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; X3D working group &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; description &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; VRML 97 specification example: Prototype &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; reference &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; originals/exampleD_4.wrl &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; specificationSection &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; VRML 97, ISO/IEC 14772-1, Part 1: Functional specification and UTF-8 encoding, D.4 Prototype example &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; specificationUrl &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="https://www.web3d.org/documents/specifications/14772/V2.0/part1/examples.html#D.4" target="_blank"&gt;https://www.web3d.org/documents/specifications/14772/V2.0/part1/examples.html#D.4&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; identifier &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="https://www.web3d.org/x3d/content/examples/Basic/Vrml97Specification/Example04.x3d" target="_blank"&gt;https://www.web3d.org/x3d/content/examples/Basic/Vrml97Specification/Example04.x3d&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; generator &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; X3D-Edit 3.3, &lt;a href="https://savage.nps.edu/X3D-Edit" target="_blank"&gt;https://savage.nps.edu/X3D-Edit&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; license &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="../../../Vrml97Specification/../license.html"&gt;../license.html&lt;/a&gt; &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr style="background-color:silver; border-color:silver;"&gt;
			&lt;td style="text-align:center;" colspan="2"&gt;  &amp;nbsp; &lt;/td&gt;
		&lt;/tr&gt;
	&lt;/table&gt;

	&lt;p&gt;
		This program uses the
		&lt;a href="https://www.web3d.org/specifications/java/X3DJSAIL.html" target="_blank"&gt;X3D Java Scene Access Interface Library (X3DJSAIL)&lt;/a&gt;.
		It has been produced using the 
		&lt;a href="https://www.web3d.org/x3d/stylesheets/X3dToJava.xslt" target="_blank"&gt;X3dToJava.xslt&lt;/a&gt;
		stylesheet
	       (&lt;a href="https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/stylesheets/X3dToJava.xslt" target="_blank"&gt;version control&lt;/a&gt;)
                which is used to create Java source code from an original &lt;code&gt;.x3d&lt;/code&gt; model.
	&lt;/p&gt;

	* @author Don Brutzman
	* @author X3D working group
 */

public class Example04
{
	/** Default constructor to create this object. */
	public Example04 ()
	{
	  initialize();
	}

	/** Create and initialize the X3D model for this object. */
	public final void initialize()
	{
            try { // catch-all
  x3dModel = new X3D().setProfile(X3D.PROFILE_IMMERSIVE).setVersion(X3D.VERSION_3_0)
  .setHead(new head()
    .addMeta(new meta().setName(meta.NAME_TITLE      ).setContent("Example04.x3d"))
    .addMeta(new meta().setName(meta.NAME_CREATOR    ).setContent("Don Brutzman"))
    .addMeta(new meta().setName(meta.NAME_CREATED    ).setContent("24 May 2000"))
    .addMeta(new meta().setName(meta.NAME_MODIFIED   ).setContent("28 October 2019"))
    .addMeta(new meta().setName(meta.NAME_CREATOR    ).setContent("X3D working group"))
    .addMeta(new meta().setName(meta.NAME_DESCRIPTION).setContent("VRML 97 specification example: Prototype"))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("originals/exampleD_4.wrl"))
    .addMeta(new meta().setName(meta.NAME_SPECIFICATIONSECTION).setContent("VRML 97, ISO/IEC 14772-1, Part 1: Functional specification and UTF-8 encoding, D.4 Prototype example"))
    .addMeta(new meta().setName(meta.NAME_SPECIFICATIONURL).setContent("https://www.web3d.org/documents/specifications/14772/V2.0/part1/examples.html#D.4"))
    .addMeta(new meta().setName(meta.NAME_IDENTIFIER ).setContent("https://www.web3d.org/x3d/content/examples/Basic/Vrml97Specification/Example04.x3d"))
    .addMeta(new meta().setName(meta.NAME_GENERATOR  ).setContent("X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit"))
    .addMeta(new meta().setName(meta.NAME_LICENSE    ).setContent("../license.html")))
  .setScene(new Scene()
    .addChild(new WorldInfo().setTitle("Example04.x3d"))
    .addChild(new ProtoDeclare("TwoColorTable").setName("TwoColorTable")
      .setProtoInterface(new ProtoInterface()
        .addField(new field().setName("legColor").setType(field.TYPE_SFCOLOR).setAccessType(field.ACCESSTYPE_INITIALIZEONLY).setValue(new SFColor(.8,.4,.7)))
        .addField(new field().setName("topColor").setType(field.TYPE_SFCOLOR).setAccessType(field.ACCESSTYPE_INITIALIZEONLY).setValue(new SFColor(.6,.6,.1))))
      .setProtoBody(new ProtoBody()
        .addChild(new Transform()
          .addChild(new Transform().setTranslation(0.0,0.6,0.0)
            .addComments(" table top ")
            .addChild(new Shape()
              .setAppearance(new Appearance()
                .setMaterial(new Material("TableTopMaterial")
                  .setIS(new IS()
                    .addConnect(new connect().setNodeField("diffuseColor").setProtoField("topColor")))))
              .setGeometry(new Box().setSize(1.2,0.2,1.2))))
          .addChild(new Transform().setTranslation(-0.5,0.0,-0.5)
            .addComments(" first table leg ")
            .addChild(new Shape("Leg")
              .setAppearance(new Appearance()
                .setMaterial(new Material("LegMaterial").setDiffuseColor(1.0,0.0,0.0)
                  .setIS(new IS()
                    .addConnect(new connect().setNodeField("diffuseColor").setProtoField("legColor")))))
              .setGeometry(new Cylinder().setHeight(1.0).setRadius(0.1))))
          .addChild(new Transform().setTranslation(0.5,0.0,-0.5)
            .addComments(" another table leg ")
            .addChild(new Shape().setUSE("Leg")))
          .addChild(new Transform().setTranslation(-0.5,0.0,0.5)
            .addComments(" another table leg ")
            .addChild(new Shape().setUSE("Leg")))
          .addChild(new Transform().setTranslation(0.5,0.0,0.5)
            .addComments(" another table leg ")
            .addChild(new Shape().setUSE("Leg")))
          .addComments(" End of root Transform's children "))
        .addComments(" End of root Transform ")))
    .addComments(" End of prototype ")
    .addComments(" The prototype is now defined. Although it contains a ")
    .addComments(" number of nodes, only the legColor and topColor fields ")
    .addComments(" are public. Instead of using the default legColor and ")
    .addComments(" topColor, this instance of the table has red legs and ")
    .addComments(" a green top: ")
    .addChild(new ProtoInstance("TwoColorTable").setContainerField("children")
      .addFieldValue(new fieldValue().setName("legColor").setValue(new SFColor(1.0,0.0,0.0)))
      .addFieldValue(new fieldValue().setName("topColor").setValue(new SFColor(0.0,1.0,0.0))))
    .addChild(new NavigationInfo().setType("\"EXAMINE\""))
    .addComments(" Use the Examine viewer "));
            }
            catch (Exception ex)
            {       
                System.err.println ("*** Further hints on X3DJSAIL errors and exceptions at");
                System.err.println ("*** https://www.web3d.org/specifications/java/X3DJSAIL.html");
                throw (ex);
            }
	}
	// end of initialize() method

	/** The initialized model object, created within initialize() method. */
	private X3D x3dModel;

	/** 
	 * Provide a 
	 * &lt;a href="https://dzone.com/articles/java-copy-shallow-vs-deep-in-which-you-will-swim" target="_blank"&gt;shallow copy&lt;/a&gt;
	 * of the X3D model.
	 * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/Core/X3D.html"&gt;X3D&lt;/a&gt;
	 * @return Example04 model
	 */
	public X3D getX3dModel()
	{	  
		return x3dModel;
	}
	   
    /** 
     * Default main() method provided for test purposes, uses CommandLine to set global ConfigurationProperties for this object.
     * @param args array of input parameters, provided as arguments
     * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/Core/X3D.html#handleArguments-java.lang.String:A-"&gt;X3D.handleArguments(args)&lt;/a&gt;
     * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/Core/X3D.html#validationReport--"&gt;X3D.validationReport()&lt;/a&gt;
     * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/CommandLine.html"&gt;CommandLine&lt;/a&gt;
     * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/CommandLine.html#USAGE"&gt;CommandLine.USAGE&lt;/a&gt;
     * @see &lt;a href="https://www.web3d.org/specifications/java/javadoc/org/web3d/x3d/jsail/ConfigurationProperties.html"&gt;ConfigurationProperties&lt;/a&gt;
     */
    public static void main(String args[])
    {
        System.out.println("Build this X3D model, showing validation diagnostics...");
        X3D thisExampleX3dModel = new Example04().getX3dModel();
//      System.out.println("X3D model construction complete.");
	
        // next handle command line arguments
        boolean hasArguments = (args != null) &amp;&amp; (args.length &gt; 0);
        boolean validate = true; // default
        boolean argumentsLoadNewModel = false;
        String  fileName = new String();

        if (args != null)
        {
                for (String arg : args)
                {
                        if (arg.toLowerCase().startsWith("-v") || arg.toLowerCase().contains("validate"))
                        {
                                validate = true; // making sure
                        }
                        if (arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_X3D) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_CLASSICVRML) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_X3DB) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_VRML97) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_EXI) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_GZIP) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_ZIP) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_HTML) ||
                                arg.toLowerCase().endsWith(X3D.FILE_EXTENSION_XHTML))
                        {
                                argumentsLoadNewModel = true;
                                fileName = arg;
                        }
                }
        }
        if      (argumentsLoadNewModel)
                System.out.println("WARNING: \"Basic.Vrml97Specification.Example04\" model invocation is attempting to load file \"" + fileName + "\" instead of simply validating itself... file loading ignored.");
        else if (hasArguments) // if no arguments provided, this method produces usage warning
                thisExampleX3dModel.handleArguments(args);
	
        if (validate)
        {
            //  System.out.println("--- TODO fix duplicated outputs ---"); // omit when duplicated outputs problem is solved/refactored
		String validationResults = thisExampleX3dModel.validationReport();
            //  System.out.println("-----------------------------------"); // omit when duplicated outputs problem is solved/refactored
                System.out.print("Basic.Vrml97Specification.Example04 self-validation test confirmation: ");
                if (!validationResults.equals("success"))
                    System.out.println();
                System.out.println(validationResults.trim());

                // experimental: test X3DJSAIL output files
                // Vrml97Specification/Example04_JavaExport.* file validation is checked when building X3D Example Archives
                String filenameX3D  = "Vrml97Specification/Example04_JavaExport.x3d"; 
                String filenameX3DV = "Vrml97Specification/Example04_JavaExport.x3dv"; 
                String filenameJSON = "Vrml97Specification/Example04_JavaExport.json";
                thisExampleX3dModel.toFileX3D        (filenameX3D);
                thisExampleX3dModel.toFileClassicVRML(filenameX3DV);
// TODO         thisExampleX3dModel.toFileJSON       (filenameJSON);
        }
    }
}
</pre></body></html>