[3102] | 1 | package nu.fw.jeti.backend; |
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| 2 | |
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| 3 | import java.util.Map; |
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| 4 | |
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| 5 | /* |
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| 6 | * Jeti, a Java Jabber client, Copyright (C) 2002 E.S. de Boer |
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| 7 | * |
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| 8 | * This program is free software; you can redistribute it and/or modify |
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| 9 | * it under the terms of the GNU General Public License as published by |
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| 10 | * the Free Software Foundation; either version 2 of the License, or |
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| 11 | * (at your option) any later version. |
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| 12 | * |
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| 13 | * This program is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | * GNU General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU General Public License |
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| 19 | * along with this program; if not, write to the Free Software |
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| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 21 | * |
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| 22 | * For questions, comments etc, |
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| 23 | * use the website at http://jeti.jabberstudio.org |
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| 24 | * or mail/IM me at jeti@jabber.org |
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| 25 | */ |
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| 26 | |
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| 27 | public abstract class XMLDataFile |
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| 28 | { |
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| 29 | int tabDepth=0; |
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| 30 | |
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| 31 | public XMLDataFile() |
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| 32 | { |
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| 33 | } |
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| 34 | |
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| 35 | private void addTabs(StringBuffer xml) |
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| 36 | { |
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| 37 | xml.append("\r\n"); |
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| 38 | for(int i =0;i<tabDepth;i++) |
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| 39 | { |
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| 40 | xml.append(" "); |
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| 41 | } |
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| 42 | } |
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| 43 | |
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| 44 | /** |
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| 45 | * <code>toString</code> is a serializer for the data contained in the |
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| 46 | * object to an equivalent snippet of XML stream. |
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| 47 | * |
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| 48 | * @return a <code>String</code> value which contains the XML |
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| 49 | * representation of this object |
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| 50 | */ |
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| 51 | public String toString() |
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| 52 | { |
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| 53 | StringBuffer retval=new StringBuffer(); |
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| 54 | appendToXML(retval); |
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| 55 | return new String(retval); |
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| 56 | } |
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| 57 | |
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| 58 | /** |
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| 59 | * <code>appendToXML</code> appends the XML representation of the |
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| 60 | * current packet data to the specified <code>StringBuffer</code>. |
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| 61 | * |
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| 62 | * @param xml The <code>StringBuffer</code> to append to |
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| 63 | */ |
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| 64 | public abstract void appendToXML(StringBuffer xml); |
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| 65 | |
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| 66 | protected final void appendHeader(StringBuffer xml) |
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| 67 | { |
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| 68 | xml.append("<?xml version=\"1.0\"?>"); |
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| 69 | } |
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| 70 | |
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| 71 | protected final void appendOpenTag(StringBuffer xml,String name) |
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| 72 | { |
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| 73 | //xml.append("\r\n"); |
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| 74 | addTabs(xml); |
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| 75 | tabDepth++; |
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| 76 | xml.append(name); |
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| 77 | } |
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| 78 | |
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| 79 | protected final void appendCloseTag(StringBuffer xml,String name) |
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| 80 | { |
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| 81 | //xml.append("\r\n"); |
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| 82 | tabDepth--; |
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| 83 | addTabs(xml); |
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| 84 | xml.append(name); |
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| 85 | |
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| 86 | } |
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| 87 | |
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| 88 | protected final void appendCloseSymbol(StringBuffer xml) |
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| 89 | { |
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| 90 | tabDepth--; |
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| 91 | xml.append("/>"); |
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| 92 | } |
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| 93 | |
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| 94 | protected final boolean appendElement(StringBuffer xml,String name,String value) |
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| 95 | { |
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| 96 | //xml.append("\r\n"); |
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| 97 | addTabs(xml); |
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| 98 | boolean result = HelpXMLData.appendElement(xml,name,value); |
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| 99 | //xml.append('\n'); |
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| 100 | return result; |
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| 101 | } |
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| 102 | |
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| 103 | protected final boolean appendElement(StringBuffer xml,String name,boolean value) |
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| 104 | { |
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| 105 | //xml.append("\r\n"); |
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| 106 | addTabs(xml); |
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| 107 | return HelpXMLData.appendElement(xml,name,value); |
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| 108 | } |
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| 109 | |
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| 110 | protected final boolean appendElement(StringBuffer xml,Map map) |
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| 111 | { |
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| 112 | //xml.append("\r\n"); |
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| 113 | addTabs(xml); |
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| 114 | return HelpXMLData.appendElement(xml,map); |
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| 115 | } |
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| 116 | |
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| 117 | protected final boolean appendAttribute(StringBuffer xml,String name,String value) |
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| 118 | { |
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| 119 | return HelpXMLData.appendAttribute(xml,name,value); |
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| 120 | } |
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| 121 | |
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| 122 | protected final boolean appendAttribute(StringBuffer xml,String name,Object value) |
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| 123 | { |
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| 124 | return HelpXMLData.appendAttribute(xml,name,value); |
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| 125 | } |
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| 126 | |
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| 127 | abstract static class HelpXMLData extends XMLData |
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| 128 | { |
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| 129 | |
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| 130 | } |
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| 131 | |
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| 132 | } |
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| 133 | /* |
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| 134 | * Overrides for emacs |
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| 135 | * Local variables: |
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| 136 | * tab-width: 4 |
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| 137 | * End: |
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| 138 | */ |
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