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1 package nabble.model;
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2
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3 import fschmidt.html.Html;
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4 import nabble.naml.compiler.CompileException;
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5 import nabble.naml.compiler.Template;
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6 import nabble.naml.compiler.TemplatePrintWriter;
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7 import nabble.naml.compiler.Program;
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8 import nabble.naml.namespaces.BasicNamespace;
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9 import nabble.view.web.template.MessageNamespace;
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10 import nabble.modules.ModuleManager;
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11
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12 import java.io.StringWriter;
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13 import java.util.Collections;
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14 import java.util.HashMap;
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15 import java.util.Map;
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16
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17
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18 public class Message {
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19
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20 public static abstract class SourceType extends AbstractType<SourceType> {
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21 private static final Map<Character,SourceType> map = new HashMap<Character,SourceType>();
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22
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23 public static final SourceType TEMP = new SourceType('t',"temp") {
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24 public Source getSource(Site site,long id) {
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25 User user = site.getUser(id);
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26 return new TempSource(user);
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27 }
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28 public String getIdField() {
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29 return "user_id";
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30 }
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31 };
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32 public static final SourceType NODE = new SourceType('n',"node") {
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33 public Source getSource(Site site,long id) {
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34 return site.getNode(id);
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35 }
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36 public String getIdField() {
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37 return "node_id";
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38 }
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39 };
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40 public static final SourceType AVATAR = new SourceType('a',"avatar") {
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41 public Source getSource(Site site,long id) {
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42 User user = site.getUser(id);
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43 return user == null? null : new AvatarSource(user);
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44 }
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45 public String getIdField() {
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46 return "user_id";
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47 }
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48 };
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49 public static final SourceType SITE = new SourceType('s',"site") {
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50 public Source getSource(Site site,long id) {
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51 return site;
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52 }
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53 public String getIdField() {
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54 return null;
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55 }
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56 };
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57
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58 private SourceType(char code,String name) {
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59 super(map,code,name);
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60 }
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61
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62 public abstract Source getSource(Site site,long id);
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63 public abstract String getIdField();
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64
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65 public static SourceType getType(char code) {
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66 return AbstractType.getType(map,code);
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67 }
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68 }
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69
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70 public interface Source {
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71 public Site getSite();
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72 public long getSourceId();
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73 public SourceType getMessageSourceType();
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74 }
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75
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76 public static class TempSource implements Source {
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77 private final User user;
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78
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79 public TempSource(User user) {
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80 this.user = user;
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81 }
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82
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83 public Site getSite() {
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84 return user.getSite();
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85 }
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86
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87 public long getSourceId() {
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88 return user.getId();
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89 }
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90
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91 public SourceType getMessageSourceType() {
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92 return SourceType.TEMP;
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93 }
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94 }
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95
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96 public static class AvatarSource implements Source {
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97 private final User user;
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98
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99 public AvatarSource(User user) {
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100 this.user = user;
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101 }
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102
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103 public Site getSite() {
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104 return user.getSite();
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105 }
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106
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107 public long getSourceId() {
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108 return user.getId();
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109 }
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110
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111 public SourceType getMessageSourceType() {
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112 return SourceType.AVATAR;
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113 }
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114
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115 public User getUser() {
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116 return user;
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117 }
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118 }
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119
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120
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121 public static abstract class Format extends AbstractType<Format> {
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122
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123 private static final Map<Character,Format> map = new HashMap<Character,Format>();
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124
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125 public static Format getMessageFormat(char code) {
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126 return AbstractType.getType(map,code);
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127 }
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128
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129 Format(char code,String name) {
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130 super(map,code,name);
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131 }
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132
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133 protected abstract String getText(String msg, Source source);
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134
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135 protected abstract String getTextWithoutQuotes(String msg, Source source);
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136
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137 protected abstract String getEmail(String msg,int i);
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138
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139 protected abstract Html parse(String msg,Message.Source source);
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140
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141 protected abstract Html parseForMailText(String msg,Message.Source source);
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142
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143 public String toString() {
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144 return getName();
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145 }
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146
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147 public static final Format TEXT = MessageFormatImpls.TEXT;
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148 public static final Format HTML = MessageFormatImpls.HTML;
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149 public static final Format MAILING_LIST = MailingLists.msgFmt;
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150 private static final Format SUBSCRIPTION = PostByEmail.msgFmt;
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151
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152 public boolean isMail() {
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153 return this==MAILING_LIST || this==SUBSCRIPTION;
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154 }
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155 }
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156
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157
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158 // Message
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159
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160 protected String raw;
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161 protected final Format format;
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162
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163 public Message(String raw,Format format) {
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164 this.raw = raw;
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165 this.format = format;
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166 }
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167
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168 public String getRaw() {
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169 return raw;
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170 }
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171
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172 public final Format getFormat() {
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173 return format;
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174 }
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175
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176 public Source getSource() {
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177 return null;
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178 }
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179
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180 public boolean equals(Object obj) {
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181 if( !(obj instanceof Message) )
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182 return false;
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183 Message msg = (Message)obj;
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184 return msg.format.equals(format) && msg.getRaw().equals(getRaw());
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185 }
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186
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187 public final String getText() {
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188 return getFormat().getText(getRaw(),getSource());
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189 }
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190
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191 public final String getTextWithoutQuotes() {
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192 return getFormat().getTextWithoutQuotes(getRaw(),getSource());
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193 }
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194
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195 public final String getEmail(int i) {
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196 return getFormat().getEmail(getRaw(),i);
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197 }
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198
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199 public final Html parse() {
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200 return getFormat().parse(getRaw(),getSource());
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201 }
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202
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203 public final Html parseForMailText() {
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204 return getFormat().parseForMailText(getRaw(),getSource());
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205 }
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206
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207
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208 public static String wrapQuoteText(String text) {
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209 StringBuilder buf = new StringBuilder(text);
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210 wrapQuoteText(buf);
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211 return buf.toString();
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212 }
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213
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214 public static void wrapQuoteText(StringBuilder buf) {
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215 String quot = "";
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216 for (int i=0,n=0,space=-1; i<buf.length(); i++,n++) {
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217 char c = buf.charAt(i);
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218 if (c=='\n' || c=='\r') {
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219 n = 0;
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220 space = -1;
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221 quot = getQuot(buf,i+1);
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222 } else if (Character.isWhitespace(c) && n>quot.length()) {
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223 space = i;
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224 } else if (n>76 && space>=0) {
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225 buf.setCharAt(space,'\n');
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226 buf.insert(space+1,quot);
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227 i+=quot.length();
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228 n = i-space;
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229 space = -1;
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230 }
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231 }
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232 }
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233
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234 private static String getQuot(StringBuilder buf, int start) {
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235 int end = buf.indexOf(" ",start);
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236 if (end<=start) return "";
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237 for (int i=start;i<end;i++) {
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238 if (buf.charAt(i)!='>') return "";
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239 }
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240 return buf.substring(start, end+1);
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241 }
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242
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243 public boolean isDeleted() {
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244 return false;
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245 }
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246
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247 public boolean isDeactivated() {
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248 return false;
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249 }
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250
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251 // for testing
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252 public static String toHtml(String raw,Format format)
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253 throws CompileException
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254 {
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255 Message msg = new Message(raw,format);
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256 Program program = Program.getInstance(ModuleManager.getGenericModules());
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257 Template template = program.getTemplate( "message_as_html",
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258 BasicNamespace.class, MessageNamespace.class
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259 );
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260 StringWriter sw = new StringWriter();
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261 template.run( new TemplatePrintWriter(sw), Collections.<String,Object>emptyMap(),
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262 new BasicNamespace(template), new MessageNamespace(msg)
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263 );
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264 return sw.toString();
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265 }
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266
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267
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268 public static final Map<String,String> htmlSeparators = new HashMap<String,String>();
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269 static {
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270 htmlSeparators.put("a", " ");
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271 htmlSeparators.put("/a", " ");
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272 htmlSeparators.put("blockquote", "\n");
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273 htmlSeparators.put("/blockquote", "\n");
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274 htmlSeparators.put("br", "\n");
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275 htmlSeparators.put("center", "\n");
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276 htmlSeparators.put("/center", "\n");
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277 htmlSeparators.put("div", "\n");
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278 htmlSeparators.put("/div", "\n");
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279 htmlSeparators.put("hr", "\n");
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280 htmlSeparators.put("img", " ");
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281 htmlSeparators.put("ul", "\n");
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282 htmlSeparators.put("/ul", "\n");
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283 htmlSeparators.put("li", "\n");
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284 htmlSeparators.put("nabble_a", " ");
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285 htmlSeparators.put("/nabble_a", " ");
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286 htmlSeparators.put("nabble_img", " ");
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287 htmlSeparators.put("ol", "\n");
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288 htmlSeparators.put("/ol", "\n");
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289 htmlSeparators.put("p", "\n");
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290 htmlSeparators.put("/p", "\n");
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291 htmlSeparators.put("pre", "\n");
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292 htmlSeparators.put("/pre", "\n");
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293 htmlSeparators.put("table", "\n");
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294 htmlSeparators.put("/table", "\n");
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295 htmlSeparators.put("tr", "\n");
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296 htmlSeparators.put("th", "\t");
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297 htmlSeparators.put("td", "\t");
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298 htmlSeparators.put("h1", "\n");
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299 htmlSeparators.put("/h1", "\n");
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300 htmlSeparators.put("h2", "\n");
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301 htmlSeparators.put("/h2", "\n");
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302 htmlSeparators.put("h3", "\n");
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303 htmlSeparators.put("/h3", "\n");
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304 htmlSeparators.put("h4", "\n");
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305 htmlSeparators.put("/h4", "\n");
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306 htmlSeparators.put("h5", "\n");
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307 htmlSeparators.put("/h5", "\n");
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308 htmlSeparators.put("h6", "\n");
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309 htmlSeparators.put("/h6", "\n");
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310 }
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311
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312 }
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