code: /*
   * The contents of this file are subject to the terms
   * of the Common Development and Distribution License
   * (the "License").  You may not use this file except
   * in compliance with the License.
   * 
   * You can obtain a copy of the license at
   * https://jwsdp.dev.java.net/CDDLv1.0.html
   * See the License for the specific language governing
   * permissions and limitations under the License.
   * 
   * When distributing Covered Code, include this CDDL
   * HEADER in each file and include the License file at
   * https://jwsdp.dev.java.net/CDDLv1.0.html  If applicable,
   * add the following below this CDDL HEADER, with the
   * fields enclosed by brackets "[]" replaced with your
   * own identifying information: Portions Copyright [yyyy]
   * [name of copyright owner]
   */
  package com.sun.xml.xsom.impl;
  
  import com.sun.xml.xsom.XSAttributeDecl;
  import com.sun.xml.xsom.XSAttributeUse;
  import com.sun.xml.xsom.XmlString;
  import com.sun.xml.xsom.impl.parser.SchemaDocumentImpl;
  import com.sun.xml.xsom.visitor.XSFunction;
  import com.sun.xml.xsom.visitor.XSVisitor;
  import org.xml.sax.Locator;
  
  public class AttributeUseImpl extends ComponentImpl implements XSAttributeUse
  {
      public AttributeUseImpl( SchemaDocumentImpl owner, AnnotationImpl ann, Locator loc, ForeignAttributesImpl fa, Ref.Attribute _decl,
          XmlString def, XmlString fixed, boolean req ) {
          
          super(owner,ann,loc,fa);
          
          this.att = _decl;
          this.defaultValue = def;
          this.fixedValue = fixed;
          this.required = req;
      }
      
      private final Ref.Attribute att;    
      public XSAttributeDecl getDecl() { return att.getAttribute(); }
      
      private final XmlString defaultValue;
      public XmlString getDefaultValue() {
          if( defaultValue!=null )    return defaultValue;
          else                        return getDecl().getDefaultValue();
      }
      
      private final XmlString fixedValue;
      public XmlString getFixedValue() {
          if( fixedValue!=null )      return fixedValue;
          else                        return getDecl().getFixedValue();
      }
      
      private final boolean required;
      public boolean isRequired() { return required; }
      
      public <T> T apply( XSFunction<T> f ) {
          return f.attributeUse(this);
      }
      public void visit( XSVisitor v ) {
          v.attributeUse(this);
      }
  }
  