jdk8-mips64-public/jaxws: src/share/jaxws_classes/javax/xml/bind/annotation/adapters/NormalizedStringAdapter.java@b0610cd08440

     1 /*

     2  * Copyright (c) 2004, 2013, 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 javax.xml.bind.annotation.adapters;

    30 /**

    31  * {@link XmlAdapter} to handle <tt>xs:normalizedString</tt>.

    32  *

    33  * <p>

    34  * Replaces any tab, CR, and LF by a whitespace character ' ',

    35  * as specified in <a href="http://www.w3.org/TR/xmlschema-2/#rf-whiteSpace">the whitespace facet 'replace'</a>

    36  *

    37  * @author Kohsuke Kawaguchi, Martin Grebac

    38  * @since JAXB 2.0

    39  */

    40 public final class NormalizedStringAdapter extends XmlAdapter<String,String> {

    41     /**

    42      * Replace any tab, CR, and LF by a whitespace character ' ',

    43      * as specified in <a href="http://www.w3.org/TR/xmlschema-2/#rf-whiteSpace">the whitespace facet 'replace'</a>

    44      */

    45     public String unmarshal(String text) {

    46         if(text==null)      return null;    // be defensive

    48         int i=text.length()-1;

    50         // look for the first whitespace char.

    51         while( i>=0 && !isWhiteSpaceExceptSpace(text.charAt(i)) )

    52             i--;

    54         if( i<0 )

    55             // no such whitespace. replace(text)==text.

    56             return text;

    58         // we now know that we need to modify the text.

    59         // allocate a char array to do it.

    60         char[] buf = text.toCharArray();

    62         buf[i--] = ' ';

    63         for( ; i>=0; i-- )

    64             if( isWhiteSpaceExceptSpace(buf[i]))

    65                 buf[i] = ' ';

    67         return new String(buf);

    68     }

    70     /**

    71      * No-op.

    72      *

    73      * Just return the same string given as the parameter.

    74      */

    75         public String marshal(String s) {

    76             return s;

    77         }

    80     /**

    81      * Returns true if the specified char is a white space character

    82      * but not 0x20.

    83      */

    84     protected static boolean isWhiteSpaceExceptSpace(char ch) {

    85         // most of the characters are non-control characters.

    86         // so check that first to quickly return false for most of the cases.

    87         if( ch>=0x20 )   return false;

    89         // other than we have to do four comparisons.

    90         return ch == 0x9 || ch == 0xA || ch == 0xD;

    91     }

    92 }

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