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1 package nabble.view.web.template;
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2
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3 import fschmidt.util.java.HtmlUtils;
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4 import fschmidt.util.servlet.ServletUtils;
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5 import nabble.model.Node;
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6 import nabble.model.Site;
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7 import nabble.model.ViewCount;
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8 import nabble.naml.compiler.Command;
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9 import nabble.naml.compiler.CommandSpec;
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10 import nabble.naml.compiler.IPrintWriter;
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11 import nabble.naml.compiler.Interpreter;
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12 import nabble.naml.compiler.Namespace;
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13 import nabble.naml.compiler.ScopedInterpreter;
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14 import nabble.naml.namespaces.StringList;
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15 import nabble.naml.namespaces.TemplateException;
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16 import nabble.view.lib.Jtp;
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17
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18 import javax.servlet.ServletException;
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19 import javax.servlet.http.HttpServletRequest;
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20 import java.io.IOException;
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21 import java.util.ArrayList;
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22 import java.util.Arrays;
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23 import java.util.Collections;
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24 import java.util.HashMap;
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25 import java.util.List;
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26 import java.util.Map;
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27
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28
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29 @Namespace (
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30 name = "http_request",
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31 global = true
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32 )
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33 public class RequestNamespace {
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34 public final HttpServletRequest request;
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35
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36 public RequestNamespace(HttpServletRequest request) {
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37 this.request = request;
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38 }
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39
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40 public static final CommandSpec NAME = new CommandSpec.Builder()
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41 .dotParameter("name")
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42 .build()
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43 ;
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44
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45 public static final CommandSpec get_parameter = NAME;
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46
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47 @Command public void get_parameter(IPrintWriter out,Interpreter interp) {
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48 String name = interp.getArgString("name");
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49 out.print( request.getParameter(name) );
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50 }
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51
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52 public static final CommandSpec get_request_header = NAME;
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53
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54 @Command public void get_request_header(IPrintWriter out,Interpreter interp) {
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55 String name = interp.getArgString("name");
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56 out.print( request.getHeader(name) );
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57 }
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58
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59 public static final CommandSpec get_cookie_value = NAME;
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60
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61 @Command public void get_cookie_value(IPrintWriter out,Interpreter interp) {
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62 String name = interp.getArgString("name");
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63 out.print( ServletUtils.getCookieValue(request, name) );
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64 }
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65
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66 @Command public void request_method(IPrintWriter out,Interpreter interp) {
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67 out.print( request.getMethod() );
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68 }
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69
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70 @Command public void servlet_path(IPrintWriter out,Interpreter interp) {
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71 out.print( request.getServletPath() );
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72 }
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73
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74 @Command public void server_name(IPrintWriter out,Interpreter interp) {
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75 out.print( request.getServerName() );
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76 }
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77
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78 @Command public void current_url(IPrintWriter out,Interpreter interp) {
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79 out.print( interp.encode( ServletUtils.getCurrentURL(request) ) );
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80 }
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81
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82 @Command public void current_path(IPrintWriter out,Interpreter interp) {
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83 out.print( interp.encode( Jtp.getCurrentPath(request) ) );
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84 }
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85
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86 // overridden in ServletNamespace
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87 public static final CommandSpec get_node_from_request_parameter = CommandSpec.DO;
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88
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89 @Command public void get_node_from_request_parameter(IPrintWriter out,ScopedInterpreter<NodeNamespace> interp)
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90 throws IOException, ServletException, TemplateException
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91 {
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92 Node node = NabbleNamespace.current().site().getNode( Jtp.getLong(request, "node") );
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93 if( node != null )
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94 out.print( interp.getArg(new NodeNamespace(node),"do") );
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95 }
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96
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97 public static final CommandSpec get_parameter_values = CommandSpec.DO()
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98 .parameters("name")
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99 .build()
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100 ;
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101
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102 @Command public void get_parameter_values(IPrintWriter out,ScopedInterpreter<ParameterValueList> interp)
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103 throws IOException, ServletException
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104 {
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105 String name = interp.getArgString("name");
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106 String[] values = request.getParameterValues(name);
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107 List<String> list = values == null ? Collections.<String>emptyList() : Arrays.asList(values);
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108 Object block = interp.getArg(new ParameterValueList(list),"do");
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109 out.print(block);
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110 }
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111
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112 public static final CommandSpec get_parameters_pipe_separated = CommandSpec.DO()
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113 .parameters("name")
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114 .build()
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115 ;
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116
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117 @Command public void get_parameters_pipe_separated(IPrintWriter out,ScopedInterpreter<ParameterValueList> interp) {
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118 String name = interp.getArgString("name");
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119 String values = request.getParameter(name);
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120 List<String> list = values == null ? Collections.<String>emptyList() : Arrays.asList(values.split("\\|"));
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121 for (int i = 0; i < list.size(); i++) {
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122 list.set(i, HtmlUtils.urlDecode(list.get(i)));
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123 }
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124 Object block = interp.getArg(new ParameterValueList(list),"do");
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125 out.print(block);
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126 }
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127
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128 @Namespace (
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129 name = "parameter_value_list",
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130 global = true
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131 )
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132 public static final class ParameterValueList extends StringList {
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133
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134 ParameterValueList(List<String> values) {
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135 super(values);
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136 }
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137
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138 public List<String> values() {
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139 return elements;
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140 }
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141
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142 @Command public void current_parameter_value(IPrintWriter out,Interpreter interp) {
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143 out.print(get());
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144 }
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145
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146
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147 // hack for now
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148
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149 private Map<String,Integer> views = null;
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150
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151 public static final CommandSpec node_views = new CommandSpec.Builder()
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152 .parameters("node_id")
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153 .build()
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154 ;
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155
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156 @Command public void node_views(IPrintWriter out,Interpreter interp) {
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157 if( views == null ) {
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158 Site site = NabbleNamespace.current().site();
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159 List<Long> ids = new ArrayList<Long>();
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160 for( String value : elements ) {
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161 ids.add(Long.parseLong(value));
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162 }
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163 views = new HashMap<String,Integer>();
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164 for( Map.Entry<Long,Integer> entry : ViewCount.getCounts(site,ids).entrySet() ) {
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165 views.put( Long.toString(entry.getKey()), entry.getValue() );
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166 }
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167 }
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168 String nodeId = interp.getArgString("node_id");
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169 out.print( views.get(nodeId) );
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170 }
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171
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172 }
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173
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174
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175
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176
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177
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178 @Command public void request_base_url(IPrintWriter out,Interpreter interp) {
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179 out.print( interp.encode( Jtp.getBaseUrl(request) ) );
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180 }
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181 }
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