aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.bind.v2.runtime.unmarshaller;
aoqi@0: 
aoqi@0: import java.io.IOException;
aoqi@0: 
aoqi@0: import com.sun.xml.internal.bind.v2.runtime.output.Pcdata;
aoqi@0: import com.sun.xml.internal.bind.v2.runtime.output.UTF8XmlOutput;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * {@link Pcdata} that represents a single integer.
aoqi@0:  *
aoqi@0:  * @author Kohsuke Kawaguchi
aoqi@0:  */
aoqi@0: public class IntData extends Pcdata {
aoqi@0:     /**
aoqi@0:      * The int value that this {@link Pcdata} represents.
aoqi@0:      *
aoqi@0:      * Modifiable.
aoqi@0:      */
aoqi@0:     private int data;
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Length of the {@link #data} in ASCII string.
aoqi@0:      * For example if data=-10, then length=3
aoqi@0:      */
aoqi@0:     private int length;
aoqi@0: 
aoqi@0:     public void reset(int i) {
aoqi@0:         this.data = i;
aoqi@0:         if(i==Integer.MIN_VALUE)
aoqi@0:             length = 11;
aoqi@0:         else
aoqi@0:             length = (i < 0) ? stringSizeOfInt(-i) + 1 : stringSizeOfInt(i);
aoqi@0:     }
aoqi@0: 
aoqi@0:     private final static int [] sizeTable = { 9, 99, 999, 9999, 99999, 999999, 9999999,
aoqi@0:                                      99999999, 999999999, Integer.MAX_VALUE };
aoqi@0: 
aoqi@0:     // Requires positive x
aoqi@0:     private static int stringSizeOfInt(int x) {
aoqi@0:         for (int i=0; ; i++)
aoqi@0:             if (x <= sizeTable[i])
aoqi@0:                 return i+1;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public String toString() {
aoqi@0:         return String.valueOf(data);
aoqi@0:     }
aoqi@0: 
aoqi@0: 
aoqi@0:     public int length() {
aoqi@0:         return length;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public char charAt(int index) {
aoqi@0:         return toString().charAt(index);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public CharSequence subSequence(int start, int end) {
aoqi@0:         return toString().substring(start,end);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void writeTo(UTF8XmlOutput output) throws IOException {
aoqi@0:         output.text(data);
aoqi@0:     }
aoqi@0: }