content: /*
   *  This file is part of AndroidIDE.
   *
   *  AndroidIDE is free software: you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation, either version 3 of the License, or
   *  (at your option) any later version.
   *
   *  AndroidIDE is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  /*
   * reserved comment block
   * DO NOT REMOVE OR ALTER!
   */
  /*
   * Copyright 1999-2002,2004 The Apache Software Foundation.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package jaxp.sun.org.apache.xerces.internal.impl.xs;
  
  import jaxp.sun.org.apache.xerces.internal.impl.dv.ValidatedInfo;
  import jaxp.sun.org.apache.xerces.internal.impl.xs.util.XSObjectListImpl;
  import jaxp.sun.org.apache.xerces.internal.xs.ShortList;
  import jaxp.sun.org.apache.xerces.internal.xs.XSAttributeDeclaration;
  import jaxp.sun.org.apache.xerces.internal.xs.XSAttributeUse;
  import jaxp.sun.org.apache.xerces.internal.xs.XSConstants;
  import jaxp.sun.org.apache.xerces.internal.xs.XSNamespaceItem;
  import jaxp.sun.org.apache.xerces.internal.xs.XSObjectList;
  
  /**
   * The XML representation for an attribute use
   * schema component is a local <attribute> element information item
   *
   * @xerces.internal
   *
   * @author Sandy Gao, IBM
   * @version $Id: XSAttributeUseImpl.java,v 1.7 2010-11-01 04:39:55 joehw Exp $
   */
  public class XSAttributeUseImpl implements XSAttributeUse {
  
      // the referred attribute decl
      public XSAttributeDecl fAttrDecl = null;
      // use information: SchemaSymbols.USE_OPTIONAL, REQUIRED, PROHIBITED
      public short fUse = SchemaSymbols.USE_OPTIONAL;
      // value constraint type: default, fixed or !specified
      public short fConstraintType = XSConstants.VC_NONE;
      // value constraint value
      public ValidatedInfo fDefault = null;
      // optional annotation
      public XSObjectList fAnnotations = null;
  
      public void reset(){
          fDefault = null;
          fAttrDecl = null;
          fUse = SchemaSymbols.USE_OPTIONAL;
          fConstraintType = XSConstants.VC_NONE;
          fAnnotations = null;
      }
  
      /**
       * Get the type of the object, i.e ELEMENT_DECLARATION.
       */
      public short getType() {
          return XSConstants.ATTRIBUTE_USE;
      }
  
      /**
       * The <code>name</code> of this <code>XSObject</code> depending on the
       * <code>XSObject</code> type.
       */
      public String getName() {
          return null;
      }
  
      /**
       * The namespace URI of this node, or <code>null</code> if it is
       * unspecified.  defines how a namespace URI is attached to schema
       * components.
       */
      public String getNamespace() {
          return null;
      }
  
      /**
       * {required} determines whether this use of an attribute declaration
       * requires an appropriate attribute information item to be present, or
       * merely allows it.
       */
      public boolean getRequired() {
          return fUse == SchemaSymbols.USE_REQUIRED;
      }
  
      /**
       * {attribute declaration} provides the attribute declaration itself,
       * which will in turn determine the simple type definition used.
       */
      public XSAttributeDeclaration getAttrDeclaration() {
          return fAttrDecl;
      }
  
      /**
       * Value Constraint: one of default, fixed.
       */
      public short getConstraintType() {
          return fConstraintType;
      }
  
      /**
       * Value Constraint: The actual value (with respect to the {type
       * definition}).
       */
      public String getConstraintValue() {
          // REVISIT: SCAPI: what's the proper representation
          return getConstraintType() == XSConstants.VC_NONE ?
                 null :
                 fDefault.stringValue();
      }
  
      /**
       * @see org.apache.xerces.xs.XSObject#getNamespaceItem()
       */
      public XSNamespaceItem getNamespaceItem() {
          return null;
      }
  
      public Object getActualVC() {
          return getConstraintType() == XSConstants.VC_NONE ?
                 null :
                 fDefault.actualValue;
      }
  
      public short getActualVCType() {
          return getConstraintType() == XSConstants.VC_NONE ?
                 XSConstants.UNAVAILABLE_DT :
                 fDefault.actualValueType;
      }
  
      public ShortList getItemValueTypes() {
          return getConstraintType() == XSConstants.VC_NONE ?
                 null :
                 fDefault.itemValueTypes;
      }
  
      /**
       * Optional. Annotations.
       */
      public XSObjectList getAnnotations() {
          return (fAnnotations != null) ? fAnnotations : XSObjectListImpl.EMPTY_LIST;
      }
  
  } // class XSAttributeUseImpl
  