de.lessvoid.xml.lwxs.elements.Element Maven / Gradle / Ivy

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Nifty GUI is a Java Library that supports the building of interactive user interfaces for games or similar applications. It utilizes OpenGL for rendering and it can be easily integrated into many rendering systems. The configuration of the GUI is stored in xml files with little supporting Java code. In short Nifty helps you to layout stuff, display it in a cool way and interact with it :)

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package de.lessvoid.xml.lwxs.elements;

import de.lessvoid.xml.lwxs.Schema;
import de.lessvoid.xml.lwxs.XmlType;
import de.lessvoid.xml.xpp3.Attributes;
import de.lessvoid.xml.xpp3.SubstitutionGroup;
import de.lessvoid.xml.xpp3.XmlParser;
import de.lessvoid.xml.xpp3.XmlProcessor;

import javax.annotation.Nonnull;

public class Element {
  @Nonnull
  private final String tagName;
  @Nonnull
  private final String tagType;
  @Nonnull
  private final OccursEnum occurs;

  public Element(
      @Nonnull final String elementNameParam,
      @Nonnull final String elementTypeParam,
      @Nonnull final OccursEnum elementOccursParam) throws Exception {
    tagName = elementNameParam;
    tagType = elementTypeParam;
    occurs = elementOccursParam;
  }

  public void addToProcessor(@Nonnull final Schema schema, @Nonnull final XmlProcessorType processor) throws Exception {
    Type type = schema.getType(tagType);
    type.addChildren(schema, processor, tagName, tagType, occurs);

    Type typeParent = type.getTypeParent(schema);
    if (typeParent != null) {
      typeParent.addChildren(schema, processor, tagName, tagType, occurs);
    }
  }

  public void addToSubstGroup(
      @Nonnull final Schema schema,
      @Nonnull final SubstitutionGroup substitutionGroup,
      @Nonnull final XmlType xmlType) throws Exception {
    Type type = schema.getType(tagType);
    Type typeParent = type.getTypeParent(schema);
    if (typeParent != null) {
      XmlProcessorElement xmlProcessorElement = new XmlProcessorElement(
          typeParent.createXmlProcessorFromType(schema, type), tagName, occurs);
      substitutionGroup.add(getTagName(), new Helper(xmlType, xmlProcessorElement));
    } else {
      XmlProcessorElement xmlProcessorElement = new XmlProcessorElement(
          type.createXmlProcessor(schema), tagName, occurs);
      substitutionGroup.add(getTagName(), new Helper(xmlType, xmlProcessorElement));
    }
  }

  @Nonnull
  public String getTagName() {
    return tagName;
  }

  private static class Helper implements XmlProcessor {
    private final XmlType xmlTypeParent;
    private final XmlProcessorElement xmlProcessorElement;

    public Helper(final XmlType xmlTypeParam, final XmlProcessorElement xmlProcessorElementParam) {
      xmlTypeParent = xmlTypeParam;
      xmlProcessorElement = xmlProcessorElementParam;
    }

    @Override
    public void process(@Nonnull final XmlParser xmlParser, @Nonnull final Attributes attributes) throws Exception {
      xmlProcessorElement.processSubstGroup(xmlParser, xmlTypeParent, attributes);
    }
  }

}