<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">package X3dForWebAuthors.Chapter15Metadata;

import org.web3d.x3d.jsail.Core.*;
import org.web3d.x3d.jsail.EnvironmentalEffects.*;
import org.web3d.x3d.jsail.fields.*;
import org.web3d.x3d.jsail.Navigation.*;
import org.web3d.x3d.jsail.Networking.*;
import org.web3d.x3d.jsail.Shape.*;
import org.web3d.x3d.jsail.Text.*;

// Javadoc metadata annotations follow, see below for X3DJSAIL Java source code.
/**
 * &lt;p&gt; This X3D3 scene contains MetadataSet with a non-null metadata field and multiple value nodes. Also provides a test target for python x3d package development, can x3d.py package generate this valid X3D file?. &lt;/p&gt;
 &lt;p&gt; Related links: Catalog page &lt;a href="../../../Chapter15Metadata/WorldInfoExampleMetadataSetX3D3Index.html" target="_blank"&gt;WorldInfoExampleMetadataSetX3D3&lt;/a&gt;,  source &lt;a href="../../../Chapter15Metadata/WorldInfoExampleMetadataSetX3D3.java"&gt;WorldInfoExampleMetadataSetX3D3.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="../../../Chapter15Metadata/WorldInfoExampleMetadataSetX3D3.x3d"&gt;WorldInfoExampleMetadataSetX3D3.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; description &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; This X3D3 scene contains MetadataSet with a non-null metadata field and multiple value nodes. Also provides a test target for python x3d package development, can x3d.py package generate this valid X3D file? &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; info &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Metadata nodes at root level of scene are not allowed in VRML97 or X3D3, but are allowed in X3D4. &lt;/td&gt;
		&lt;/tr&gt;
		&lt;tr&gt;
			&lt;td style="text-align:right; vertical-align: text-top;"&gt; &lt;i&gt; info &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Metadata node as WorldInfo metadata field are not allowed in VRML97, but are allowed in X3D3 or X3D4. &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; &lt;a href="../../../Chapter15Metadata/WorldInfoExampleMetadataSetX3D4.x3d"&gt;WorldInfoExampleMetadataSetX3D4.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; info &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; Original name MetadataSetWithMetadata.x3d &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; Vincent Marchetti &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; 16 November 2021 &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; 7 April 2024 &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; X3D encodings, ISO/IEC 19776-1, Part 1: XML encoding, Annex B.6.1 x3d-4.0.xsd &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://web3d.org/specifications/X3Dv4Draft/ISO-IEC19776-1v4.0-WD1/Part01/Schema.html#Version4.0Schema" target="_blank"&gt;https://web3d.org/specifications/X3Dv4Draft/ISO-IEC19776-1v4.0-WD1/Part01/Schema.html#Version4.0Schema&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 4.0, &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; identifier &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter15Metadata/WorldInfoExampleMetadataSetX3D3.x3d" target="_blank"&gt;https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter15Metadata/WorldInfoExampleMetadataSetX3D3.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; license &lt;/i&gt; &lt;/td&gt;
			&lt;td&gt; &lt;a href="https://creativecommons.org/licenses/by/4.0" target="_blank"&gt;https://creativecommons.org/licenses/by/4.0&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 Vincent Marchetti
	* @author Don Brutzman
 */

public class WorldInfoExampleMetadataSetX3D3
{
	/** Default constructor to create this object. */
	public WorldInfoExampleMetadataSetX3D3 ()
	{
	  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_3)
  .setHead(new head()
    .addMeta(new meta().setName(meta.NAME_TITLE      ).setContent("WorldInfoExampleMetadataSetX3D3.x3d"))
    .addMeta(new meta().setName(meta.NAME_DESCRIPTION).setContent("This X3D3 scene contains MetadataSet with a non-null metadata field and multiple value nodes. Also provides a test target for python x3d package development, can x3d.py package generate this valid X3D file?"))
    .addMeta(new meta().setName(meta.NAME_INFO       ).setContent("Metadata nodes at root level of scene are not allowed in VRML97 or X3D3, but are allowed in X3D4."))
    .addMeta(new meta().setName(meta.NAME_INFO       ).setContent("Metadata node as WorldInfo metadata field are not allowed in VRML97, but are allowed in X3D3 or X3D4."))
    .addMeta(new meta().setName(meta.NAME_REFERENCE  ).setContent("WorldInfoExampleMetadataSetX3D4.x3d"))
    .addMeta(new meta().setName(meta.NAME_INFO       ).setContent("Original name MetadataSetWithMetadata.x3d"))
    .addMeta(new meta().setName(meta.NAME_CREATOR    ).setContent("Vincent Marchetti"))
    .addMeta(new meta().setName(meta.NAME_CREATOR    ).setContent("Don Brutzman"))
    .addMeta(new meta().setName(meta.NAME_CREATED    ).setContent("16 November 2021"))
    .addMeta(new meta().setName(meta.NAME_MODIFIED   ).setContent("7 April 2024"))
    .addMeta(new meta().setName(meta.NAME_SPECIFICATIONSECTION).setContent("X3D encodings, ISO/IEC 19776-1, Part 1: XML encoding, Annex B.6.1 x3d-4.0.xsd"))
    .addMeta(new meta().setName(meta.NAME_SPECIFICATIONURL).setContent("https://web3d.org/specifications/X3Dv4Draft/ISO-IEC19776-1v4.0-WD1/Part01/Schema.html#Version4.0Schema"))
    .addMeta(new meta().setName(meta.NAME_GENERATOR  ).setContent("X3D-Edit 4.0, https://savage.nps.edu/X3D-Edit"))
    .addMeta(new meta().setName(meta.NAME_IDENTIFIER ).setContent("https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter15Metadata/WorldInfoExampleMetadataSetX3D3.x3d"))
    .addMeta(new meta().setName(meta.NAME_LICENSE    ).setContent("https://creativecommons.org/licenses/by/4.0")))
  .setScene(new Scene()
    .addChild(new WorldInfo().setTitle("WorldInfoExampleMetadataSetX3D3.x3d Example Scene")
      .addComments(" WorldInfo single available child field of interest is 'metadata' and so contained MetadataSet must have containerField='metadata' which IS the default in X3D3 ")
      .setMetadata(new MetadataSet().setName("birthday").setReference("https://www.archives.gov/legislative/features/washington")
        .addComments(" Next field is 'metadata' and so contained MetadataString node must have containerField='metadata' which is default in X3D3, but not the default in X3D4 ")
        .setMetadata(new MetadataString().setName("calendar").setReference("this node describes nature of parent node, and is not intended as a data value").setValue(new String[] {"Julian"}))
        .addComments(" MetadataSet next fields of interest are 'value' and so contained Metadata nodes must have containerField='value' which is not the default in X3D3 but is the default in X3D4 ")
        .setMetadata(new MetadataString().setName("name").setValue(new String[] {"George","Washington"}))
        .setMetadata(new MetadataInteger().setName("day").setValue(new int[] {11}))
        .setMetadata(new MetadataInteger().setName("month").setValue(new int[] {2}))
        .setMetadata(new MetadataInteger().setName("year").setValue(new int[] {1731}))
        .setMetadata(new MetadataString().setName("birthplace").setValue(new String[] {"Popes Creek","Virginia"}))))
    .addChild(new Background().setSkyColor(new MFColor(new double[] {0.0,0.439216,0.760784})))
    .addChild(new Viewpoint().setDescription("View scene source to see metadata examples").setPosition(0.0,0.0,12.0))
    .addChild(new Anchor().setDescription("Load scene index page").setParameter(new String[] {"target=_blank"}).setUrl(new String[] {"WorldInfoExampleMetadataSetX3D3.html","https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter15Metadata/WorldInfoExampleMetadataSetX3D3.html"})
      .addChild(new Shape()
        .setGeometry(new Text().setString(new String[] {"View scene source","to see","WorldInfoExampleMetadataSetX3D3"})
          .setFontStyle(new FontStyle().setJustify(FontStyle.JUSTIFY_MIDDLE_MIDDLE).setSize(0.9).setSpacing(1.5)))
        .setAppearance(new Appearance()
          .setMaterial(new Material().setDiffuseColor(1.0,0.39216,0.992157))))));
            }
            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 WorldInfoExampleMetadataSetX3D3 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 WorldInfoExampleMetadataSetX3D3().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: \"X3dForWebAuthors.Chapter15Metadata.WorldInfoExampleMetadataSetX3D3\" 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("X3dForWebAuthors.Chapter15Metadata.WorldInfoExampleMetadataSetX3D3 self-validation test confirmation: ");
                if (!validationResults.equals("success"))
                    System.out.println();
                System.out.println(validationResults.trim());

                // experimental: test X3DJSAIL output files
                // Chapter15Metadata/WorldInfoExampleMetadataSetX3D3_JavaExport.* file validation is checked when building X3D Example Archives
                String filenameX3D  = "Chapter15Metadata/WorldInfoExampleMetadataSetX3D3_JavaExport.x3d"; 
                String filenameX3DV = "Chapter15Metadata/WorldInfoExampleMetadataSetX3D3_JavaExport.x3dv"; 
                String filenameJSON = "Chapter15Metadata/WorldInfoExampleMetadataSetX3D3_JavaExport.json";
                thisExampleX3dModel.toFileX3D        (filenameX3D);
                thisExampleX3dModel.toFileClassicVRML(filenameX3DV);
// TODO         thisExampleX3dModel.toFileJSON       (filenameJSON);
        }
    }
}
</pre></body></html>