content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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 mf.org.apache.xerces.impl.dv.xs;
  
  import java.util.AbstractList;
  
  import mf.org.apache.xerces.impl.dv.InvalidDatatypeValueException;
  import mf.org.apache.xerces.impl.dv.ValidationContext;
  import mf.org.apache.xerces.xs.XSSimpleTypeDefinition;
  import mf.org.apache.xerces.xs.datatypes.ObjectList;
  
  
  /**
   * Represent the schema list types
   *
   * @author Neeraj Bajaj, Sun Microsystems, inc.
   * @author Sandy Gao, IBM
   * @version $Id: ListDV.java 725840 2008-12-11 22:19:06Z mrglavas $
   * @xerces.internal
   */
  public class ListDV extends TypeValidator {
  
      @Override
      public short getAllowedFacets() {
          return (XSSimpleTypeDefinition.FACET_LENGTH | XSSimpleTypeDefinition.FACET_MINLENGTH | XSSimpleTypeDefinition.FACET_MAXLENGTH | XSSimpleTypeDefinition.FACET_PATTERN | XSSimpleTypeDefinition.FACET_ENUMERATION | XSSimpleTypeDefinition.FACET_WHITESPACE);
      }
  
      // this method should never be called: XSSimpleTypeDecl is responsible for
      // calling the item type for the convertion
      @Override
      public Object getActualValue(String content, ValidationContext context) throws InvalidDatatypeValueException {
          return content;
      }
  
      // length of a list type is the number of items in the list
      @Override
      public int getDataLength(Object value) {
          return ((ListData) value).getLength();
      }
  
      final static class ListData extends AbstractList implements ObjectList {
          final Object[] data;
          private String canonical;
  
          public ListData(Object[] data) {
              this.data = data;
          }
  
          @Override
          public synchronized String toString() {
              if (canonical == null) {
                  int len = data.length;
                  StringBuffer buf = new StringBuffer();
                  if (len > 0) {
                      buf.append(data[0].toString());
                  }
                  for (int i = 1; i < len; i++) {
                      buf.append(' ');
                      buf.append(data[i].toString());
                  }
                  canonical = buf.toString();
              }
              return canonical;
          }
  
          @Override
          public int getLength() {
              return data.length;
          }
  
          @Override
          public boolean equals(Object obj) {
              if (!(obj instanceof ListData))
                  return false;
              Object[] odata = ((ListData) obj).data;
  
              int count = data.length;
              if (count != odata.length)
                  return false;
  
              for (int i = 0; i < count; i++) {
                  if (!data[i].equals(odata[i]))
                      return false;
              }//end of loop
  
              //everything went fine.
              return true;
          }
  
          @Override
          public int hashCode() {
              int hash = 0;
              for (int i = 0; i < data.length; ++i) {
                  hash ^= data[i].hashCode();
              }
              return hash;
          }
  
          @Override
          public boolean contains(Object item) {
              for (int i = 0; i < data.length; i++) {
                  if (item == data[i]) {
                      return true;
                  }
              }
              return false;
          }
  
          @Override
          public Object item(int index) {
              if (index < 0 || index >= data.length) {
                  return null;
              }
              return data[index];
          }
          
          /*
           * List methods
           */
  
          @Override
          public Object get(int index) {
              if (index >= 0 && index < data.length) {
                  return data[index];
              }
              throw new IndexOutOfBoundsException("Index: " + index);
          }
  
          @Override
          public int size() {
              return getLength();
          }
      }
  } // class ListDV
  
  