001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common Development
008: * and Distribution License("CDDL") (collectively, the "License"). You
009: * may not use this file except in compliance with the License. You can obtain
010: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
011: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
012: * language governing permissions and limitations under the License.
013: *
014: * When distributing the software, include this License Header Notice in each
015: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
016: * Sun designates this particular file as subject to the "Classpath" exception
017: * as provided by Sun in the GPL Version 2 section of the License file that
018: * accompanied this code. If applicable, add the following below the License
019: * Header, with the fields enclosed by brackets [] replaced by your own
020: * identifying information: "Portions Copyrighted [year]
021: * [name of copyright owner]"
022: *
023: * Contributor(s):
024: *
025: * If you wish your version of this file to be governed by only the CDDL or
026: * only the GPL Version 2, indicate your decision by adding "[Contributor]
027: * elects to include this software in this distribution under the [CDDL or GPL
028: * Version 2] license." If you don't indicate a single choice of license, a
029: * recipient has the option to distribute your version of this file under
030: * either the CDDL, the GPL Version 2 or to extend the choice of license to
031: * its licensees as provided above. However, if you add GPL Version 2 code
032: * and therefore, elected the GPL Version 2 license, then the option applies
033: * only if the new code is made subject to such option by the copyright
034: * holder.
035: */
036:
037: package com.sun.xml.bind.v2.runtime.unmarshaller;
038:
039: import java.io.IOException;
040:
041: import com.sun.xml.bind.v2.runtime.output.Pcdata;
042: import com.sun.xml.bind.v2.runtime.output.UTF8XmlOutput;
043:
044: /**
045: * {@link Pcdata} that represents a single integer.
046: *
047: * @author Kohsuke Kawaguchi
048: */
049: public class IntData extends Pcdata {
050: /**
051: * The int value that this {@link Pcdata} represents.
052: *
053: * Modifiable.
054: */
055: private int data;
056:
057: /**
058: * Length of the {@link #data} in ASCII string.
059: * For example if data=-10, then length=3
060: */
061: private int length;
062:
063: public void reset(int i) {
064: this .data = i;
065: if (i == Integer.MIN_VALUE)
066: length = 11;
067: else
068: length = (i < 0) ? stringSizeOfInt(-i) + 1
069: : stringSizeOfInt(i);
070: }
071:
072: private final static int[] sizeTable = { 9, 99, 999, 9999, 99999,
073: 999999, 9999999, 99999999, 999999999, Integer.MAX_VALUE };
074:
075: // Requires positive x
076: private static int stringSizeOfInt(int x) {
077: for (int i = 0;; i++)
078: if (x <= sizeTable[i])
079: return i + 1;
080: }
081:
082: public String toString() {
083: return String.valueOf(data);
084: }
085:
086: public int length() {
087: return length;
088: }
089:
090: public char charAt(int index) {
091: return toString().charAt(index);
092: }
093:
094: public CharSequence subSequence(int start, int end) {
095: return toString().substring(start, end);
096: }
097:
098: public void writeTo(UTF8XmlOutput output) throws IOException {
099: output.text(data);
100: }
101: }
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