1 /*

     2  * reserved comment block

     3  * DO NOT REMOVE OR ALTER!

     4  */

     5 /*

     6  * Licensed to the Apache Software Foundation (ASF) under one or more

     7  * contributor license agreements.  See the NOTICE file distributed with

     8  * this work for additional information regarding copyright ownership.

     9  * The ASF licenses this file to You under the Apache License, Version 2.0

    10  * (the "License"); you may not use this file except in compliance with

    11  * the License.  You may obtain a copy of the License at

    12  *

    13  *      http://www.apache.org/licenses/LICENSE-2.0

    14  *

    15  * Unless required by applicable law or agreed to in writing, software

    16  * distributed under the License is distributed on an "AS IS" BASIS,

    17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    18  * See the License for the specific language governing permissions and

    19  * limitations under the License.

    20  */

    21 

    22 package com.sun.org.apache.xerces.internal.impl.xs;

    23 

    24 import java.util.AbstractList;

    25 

    26 import com.sun.org.apache.xerces.internal.xs.StringList;

    27 

    28 /**

    29  * StringList implementation for schema error codes and error messages.

    30  *

    31  * @xerces.internal

    32  *

    33  * @author Michael Glavassevich, IBM

    34  *

    35  */

    36 final class PSVIErrorList extends AbstractList implements StringList {

    37 

    38     private final String[] fArray;

    39     private final int fLength;

    40     private final int fOffset;

    41 

    42     public PSVIErrorList(String[] array, boolean even) {

    43         fArray = array;

    44         fLength = (fArray.length >> 1);

    45         fOffset = even ? 0 : 1;

    46     }

    47 

    48     public boolean contains(String item) {

    49         if (item == null) {

    50             for (int i = 0; i < fLength; ++i) {

    51                 if (fArray[(i << 1) + fOffset] == null) {

    52                     return true;

    53                 }

    54             }

    55         }

    56         else {

    57             for (int i = 0; i < fLength; ++i) {

    58                 if (item.equals(fArray[(i << 1) + fOffset])) {

    59                     return true;

    60                 }

    61             }

    62         }

    63         return false;

    64     }

    65 

    66     public int getLength() {

    67         return fLength;

    68     }

    69 

    70     public String item(int index) {

    71         if (index < 0 || index >= fLength) {

    72             return null;

    73         }

    74         return fArray[(index << 1) + fOffset];

    75     }

    76 

    77     /*

    78      * List methods

    79      */

    80 

    81     public Object get(int index) {

    82         if (index >= 0 && index < fLength) {

    83             return fArray[(index << 1) + fOffset];

    84         }

    85         throw new IndexOutOfBoundsException("Index: " + index);

    86     }

    87 

    88     public int size() {

    89         return getLength();

    90     }

    91 

    92 } // class PSVIErrorList