1 /*

     2  * reserved comment block

     3  * DO NOT REMOVE OR ALTER!

     4  */

     5 /*

     6  * Copyright 1999-2004 The Apache Software Foundation.

     7  *

     8  * Licensed under the Apache License, Version 2.0 (the "License");

     9  * you may not use this file except in compliance with the License.

    10  * You may obtain a copy of the License at

    11  *

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

    13  *

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

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

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

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

    18  * limitations under the License.

    19  */

    20 

    21 package com.sun.org.apache.regexp.internal;

    22 

    23 /**

    24  * Encapsulates String as CharacterIterator.

    25  *

    26  * @author <a href="mailto:ales.novak@netbeans.com">Ales Novak</a>

    27  */

    28 public final class StringCharacterIterator implements CharacterIterator

    29 {

    30     /** encapsulated */

    31     private final String src;

    32 

    33     /** @param src - encapsulated String */

    34     public StringCharacterIterator(String src)

    35     {

    36         this.src = src;

    37     }

    38 

    39     /** @return a substring */

    40     public String substring(int beginIndex, int endIndex)

    41     {

    42         return src.substring(beginIndex, endIndex);

    43     }

    44 

    45     /** @return a substring */

    46     public String substring(int beginIndex)

    47     {

    48         return src.substring(beginIndex);

    49     }

    50 

    51     /** @return a character at the specified position. */

    52     public char charAt(int pos)

    53     {

    54         return src.charAt(pos);

    55     }

    56 

    57     /** @return <tt>true</tt> iff if the specified index is after the end of the character stream */

    58     public boolean isEnd(int pos)

    59     {

    60         return (pos >= src.length());

    61     }

    62 }