source: trunk/greenstone3-extensions/gs3build/src/org/greenstone/gsdl3/gs3build/schema/SchemaAttribute.java@ 12188

package org.greenstone.gsdl3.gs3build.schema;

import org.w3c.dom.Element;

public class SchemaAttribute
{ 
    public final static String ATTRIBUTE_TYPE_STRING = "String";

  String name;
  String type;
  boolean required;

    public SchemaAttribute(Element element) throws SchemaException
    {
        // get the name - things are totally unworkable if it doesn't exist!
        this.name = element.getAttribute("name");
        if (this.name == null) {
            throw new SchemaException("All attributes must have names");
        }

        // ids are quite important in some metadata schema - copy that too
        String id = element.getAttribute("id");

        // get the required field - we don't actually cope with "prohibited" at the moment!
        String use = element.getAttribute("use");
        this.required = (use != null && use.equals("required"));

        // and the type - we don't reflect any further upon this, actually
        this.type = element.getAttribute("type");
        if (this.type == null) {
            this.type = SchemaAttribute.ATTRIBUTE_TYPE_STRING;
        }

        // Constraints should now be added, but at present that is not done, as we
        // are non-validating!
    }
}