Mercurial > jdk8-mips64-public > jaxws / annotate
src/share/jaxws_classes/javax/xml/bind/annotation/adapters/CollapsedStringAdapter.java@9c07ef4934dd (annotated)
src/share/jaxws_classes/javax/xml/bind/annotation/adapters/CollapsedStringAdapter.java
Thu, 31 Aug 2017 15:18:52 +0800
- author
- aoqi
- date
- Thu, 31 Aug 2017 15:18:52 +0800
- changeset 637
- 9c07ef4934dd
- parent 397
- b99d7e355d4b
- parent 0
- 373ffda63c9a
- permissions
- -rw-r--r--
merge
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
| aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
| aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
| aoqi@0 | 10 | * |
| aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 15 | * accompanied this code). |
| aoqi@0 | 16 | * |
| aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 20 | * |
| aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 23 | * questions. |
| aoqi@0 | 24 | */ |
| aoqi@0 | 25 | |
| aoqi@0 | 26 | package javax.xml.bind.annotation.adapters; |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | |
| aoqi@0 | 29 | |
| aoqi@0 | 30 | /** |
| aoqi@0 | 31 | * Built-in {@link XmlAdapter} to handle <tt>xs:token</tt> and its derived types. |
| aoqi@0 | 32 | * |
| aoqi@0 | 33 | * <p> |
| aoqi@0 | 34 | * This adapter removes leading and trailing whitespaces, then truncate any |
| aoqi@0 | 35 | * sequnce of tab, CR, LF, and SP by a single whitespace character ' '. |
| aoqi@0 | 36 | * |
| aoqi@0 | 37 | * @author Kohsuke Kawaguchi |
| aoqi@0 | 38 | * @since JAXB 2.0 |
| aoqi@0 | 39 | */ |
| aoqi@0 | 40 | public class CollapsedStringAdapter extends XmlAdapter<String,String> { |
| aoqi@0 | 41 | /** |
| aoqi@0 | 42 | * Removes leading and trailing whitespaces of the string |
| aoqi@0 | 43 | * given as the parameter, then truncate any |
| aoqi@0 | 44 | * sequnce of tab, CR, LF, and SP by a single whitespace character ' '. |
| aoqi@0 | 45 | */ |
| aoqi@0 | 46 | public String unmarshal(String text) { |
| aoqi@0 | 47 | if(text==null) return null; // be defensive |
| aoqi@0 | 48 | |
| aoqi@0 | 49 | int len = text.length(); |
| aoqi@0 | 50 | |
| aoqi@0 | 51 | // most of the texts are already in the collapsed form. |
| aoqi@0 | 52 | // so look for the first whitespace in the hope that we will |
| aoqi@0 | 53 | // never see it. |
| aoqi@0 | 54 | int s=0; |
| aoqi@0 | 55 | while(s<len) { |
| aoqi@0 | 56 | if(isWhiteSpace(text.charAt(s))) |
| aoqi@0 | 57 | break; |
| aoqi@0 | 58 | s++; |
| aoqi@0 | 59 | } |
| aoqi@0 | 60 | if(s==len) |
| aoqi@0 | 61 | // the input happens to be already collapsed. |
| aoqi@0 | 62 | return text; |
| aoqi@0 | 63 | |
| aoqi@0 | 64 | // we now know that the input contains spaces. |
| aoqi@0 | 65 | // let's sit down and do the collapsing normally. |
| aoqi@0 | 66 | |
| aoqi@0 | 67 | StringBuilder result = new StringBuilder(len /*allocate enough size to avoid re-allocation*/ ); |
| aoqi@0 | 68 | |
| aoqi@0 | 69 | if(s!=0) { |
| aoqi@0 | 70 | for( int i=0; i<s; i++ ) |
| aoqi@0 | 71 | result.append(text.charAt(i)); |
| aoqi@0 | 72 | result.append(' '); |
| aoqi@0 | 73 | } |
| aoqi@0 | 74 | |
| aoqi@0 | 75 | boolean inStripMode = true; |
| aoqi@0 | 76 | for (int i = s+1; i < len; i++) { |
| aoqi@0 | 77 | char ch = text.charAt(i); |
| aoqi@0 | 78 | boolean b = isWhiteSpace(ch); |
| aoqi@0 | 79 | if (inStripMode && b) |
| aoqi@0 | 80 | continue; // skip this character |
| aoqi@0 | 81 | |
| aoqi@0 | 82 | inStripMode = b; |
| aoqi@0 | 83 | if (inStripMode) |
| aoqi@0 | 84 | result.append(' '); |
| aoqi@0 | 85 | else |
| aoqi@0 | 86 | result.append(ch); |
| aoqi@0 | 87 | } |
| aoqi@0 | 88 | |
| aoqi@0 | 89 | // remove trailing whitespaces |
| aoqi@0 | 90 | len = result.length(); |
| aoqi@0 | 91 | if (len > 0 && result.charAt(len - 1) == ' ') |
| aoqi@0 | 92 | result.setLength(len - 1); |
| aoqi@0 | 93 | // whitespaces are already collapsed, |
| aoqi@0 | 94 | // so all we have to do is to remove the last one character |
| aoqi@0 | 95 | // if it's a whitespace. |
| aoqi@0 | 96 | |
| aoqi@0 | 97 | return result.toString(); |
| aoqi@0 | 98 | } |
| aoqi@0 | 99 | |
| aoqi@0 | 100 | /** |
| aoqi@0 | 101 | * No-op. |
| aoqi@0 | 102 | * |
| aoqi@0 | 103 | * Just return the same string given as the parameter. |
| aoqi@0 | 104 | */ |
| aoqi@0 | 105 | public String marshal(String s) { |
| aoqi@0 | 106 | return s; |
| aoqi@0 | 107 | } |
| aoqi@0 | 108 | |
| aoqi@0 | 109 | |
| aoqi@0 | 110 | /** returns true if the specified char is a white space character. */ |
| aoqi@0 | 111 | protected static boolean isWhiteSpace(char ch) { |
| aoqi@0 | 112 | // most of the characters are non-control characters. |
| aoqi@0 | 113 | // so check that first to quickly return false for most of the cases. |
| aoqi@0 | 114 | if( ch>0x20 ) return false; |
| aoqi@0 | 115 | |
| aoqi@0 | 116 | // other than we have to do four comparisons. |
| aoqi@0 | 117 | return ch == 0x9 || ch == 0xA || ch == 0xD || ch == 0x20; |
| aoqi@0 | 118 | } |
| aoqi@0 | 119 | } |
