jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/IntArrayData.java@e530533619ec

     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  * Typed {@link CharSequence} for int[].

    35  *

    36  * <p>

    37  * Fed to unmarshaller when the 'text' data is actually

    38  * a virtual image of int array.

    39  *

    40  * <p>

    41  * This class holds int[] as a triplet of (data,start,len)

    42  * where 'start' and 'len' represents the start position of the

    43  * data and the length.

    44  *

    45  * @author Kohsuke Kawaguchi

    46  */

    47 public final class IntArrayData extends Pcdata {

    49     private int[] data;

    50     private int start;

    51     private int len;

    53     /**

    54      * String representation of the data. Lazily computed.

    55      */

    56     private StringBuilder literal;

    59     public IntArrayData(int[] data, int start, int len) {

    60         set(data, start, len);

    61     }

    63     public IntArrayData() {

    64     }

    66     /**

    67      * Sets the int[] data to this object.

    68      *

    69      * <p>

    70      * This method doesn't make a copy for a performance reason.

    71      * The caller is still free to modify the array it passed to this method,

    72      * but he should do so with a care. The unmarshalling code isn't expecting

    73      * the value to be changed while it's being routed.

    74      */

    75     public void set(int[] data, int start, int len) {

    76         this.data = data;

    77         this.start = start;

    78         this.len = len;

    79         this.literal = null;

    80     }

    82     public int length() {

    83         return getLiteral().length();

    84     }

    86     public char charAt(int index) {

    87         return getLiteral().charAt(index);

    88     }

    90     public CharSequence subSequence(int start, int end) {

    91         return getLiteral().subSequence(start,end);

    92     }

    94     /**

    95      * Computes the literal form from the data.

    96      */

    97     private StringBuilder getLiteral() {

    98         if(literal!=null)   return literal;

   100         literal = new StringBuilder();

   101         int p = start;

   102         for( int i=len; i>0; i-- ) {

   103             if(literal.length()>0)  literal.append(' ');

   104             literal.append(data[p++]);

   105         }

   107         return literal;

   108     }

   110     public String toString() {

   111         return literal.toString();

   112     }

   114     public void writeTo(UTF8XmlOutput output) throws IOException {

   115         int p = start;

   116         for( int i=len; i>0; i-- ) {

   117             if(i!=len)

   118                 output.write(' ');

   119             output.text(data[p++]);

   120         }

   121     }

   122 }

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