Thu, 12 Oct 2017 19:44:07 +0800
merge
1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 package com.sun.xml.internal.bind.v2.runtime.unmarshaller;
28 import java.io.IOException;
30 import com.sun.xml.internal.bind.v2.runtime.output.Pcdata;
31 import com.sun.xml.internal.bind.v2.runtime.output.UTF8XmlOutput;
33 /**
34 * {@link Pcdata} that represents a single integer.
35 *
36 * @author Kohsuke Kawaguchi
37 */
38 public class IntData extends Pcdata {
39 /**
40 * The int value that this {@link Pcdata} represents.
41 *
42 * Modifiable.
43 */
44 private int data;
46 /**
47 * Length of the {@link #data} in ASCII string.
48 * For example if data=-10, then length=3
49 */
50 private int length;
52 public void reset(int i) {
53 this.data = i;
54 if(i==Integer.MIN_VALUE)
55 length = 11;
56 else
57 length = (i < 0) ? stringSizeOfInt(-i) + 1 : stringSizeOfInt(i);
58 }
60 private final static int [] sizeTable = { 9, 99, 999, 9999, 99999, 999999, 9999999,
61 99999999, 999999999, Integer.MAX_VALUE };
63 // Requires positive x
64 private static int stringSizeOfInt(int x) {
65 for (int i=0; ; i++)
66 if (x <= sizeTable[i])
67 return i+1;
68 }
70 public String toString() {
71 return String.valueOf(data);
72 }
75 public int length() {
76 return length;
77 }
79 public char charAt(int index) {
80 return toString().charAt(index);
81 }
83 public CharSequence subSequence(int start, int end) {
84 return toString().substring(start,end);
85 }
87 public void writeTo(UTF8XmlOutput output) throws IOException {
88 output.text(data);
89 }
90 }