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
22package com.sun.org.apache.xml.internal.utils;
23
24/**
25 * The default implementation of XMLStringFactory.
26 * This implementation creates XMLStringDefault objects.
27 */
28public class XMLStringFactoryDefault extends XMLStringFactory
29{
30  // A constant representing the empty String
31  private static final XMLStringDefault EMPTY_STR = new XMLStringDefault("");
32
33  /**
34   * Create a new XMLString from a Java string.
35   *
36   *
37   * @param string Java String reference, which must be non-null.
38   *
39   * @return An XMLString object that wraps the String reference.
40   */
41  public XMLString newstr(String string)
42  {
43    return new XMLStringDefault(string);
44  }
45
46  /**
47   * Create a XMLString from a FastStringBuffer.
48   *
49   *
50   * @param fsb FastStringBuffer reference, which must be non-null.
51   * @param start The start position in the array.
52   * @param length The number of characters to read from the array.
53   *
54   * @return An XMLString object that wraps the FastStringBuffer reference.
55   */
56  public XMLString newstr(FastStringBuffer fsb, int start, int length)
57  {
58    return new XMLStringDefault(fsb.getString(start, length));
59  }
60
61  /**
62   * Create a XMLString from a FastStringBuffer.
63   *
64   *
65   * @param string FastStringBuffer reference, which must be non-null.
66   * @param start The start position in the array.
67   * @param length The number of characters to read from the array.
68   *
69   * @return An XMLString object that wraps the FastStringBuffer reference.
70   */
71  public XMLString newstr(char[] string, int start, int length)
72  {
73    return new XMLStringDefault(new String(string, start, length));
74  }
75
76  /**
77   * Get a cheap representation of an empty string.
78   *
79   * @return An non-null reference to an XMLString that represents "".
80   */
81  public XMLString emptystr()
82  {
83    return EMPTY_STR;
84  }
85}
86