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annotate web/src/luan/modules/web/HttpServicer.java @ 443:bf5e62a9090c

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remove toBoolean() and to_boolean()
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 04 May 2015 14:55:51 -0600
parents 52a6295e92c9
children b8ddd55c9b11
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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diff changeset
1 package luan.modules.web;
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2
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3 import java.io.InputStream;
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4 import java.io.BufferedInputStream;
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5 import java.io.PrintWriter;
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6 import java.io.IOException;
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7 import java.util.Map;
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8 import java.util.HashMap;
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9 import java.util.AbstractMap;
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10 import java.util.Set;
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11 import java.util.List;
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12 import java.util.ArrayList;
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13 import java.util.Arrays;
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14 import java.util.Iterator;
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15 import java.util.Enumeration;
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16 import javax.servlet.ServletOutputStream;
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17 import javax.servlet.ServletException;
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18 import javax.servlet.http.Cookie;
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19 import javax.servlet.http.HttpServletRequest;
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20 import javax.servlet.http.HttpServletResponse;
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21 import javax.servlet.http.HttpSession;
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22 import javax.servlet.http.Part;
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23 import org.slf4j.Logger;
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24 import org.slf4j.LoggerFactory;
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25 import org.eclipse.jetty.util.MultiPartInputStream;
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26 import luan.Luan;
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27 import luan.LuanState;
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28 import luan.LuanFunction;
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29 import luan.LuanElement;
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30 import luan.LuanException;
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31 import luan.LuanTable;
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32 import luan.LuanMeta;
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33 import luan.LuanJavaFunction;
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34 import luan.LuanExitException;
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35 import luan.LuanPropertyMeta;
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36 import luan.DeepCloner;
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37 import luan.modules.PackageLuan;
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38 import luan.modules.IoLuan;
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39 import luan.modules.TableLuan;
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40 import luan.modules.Utils;
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42
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43 public final class HttpServicer {
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44 private static final Logger logger = LoggerFactory.getLogger(HttpServicer.class);
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45
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46 public static boolean service(LuanState luan,HttpServletRequest request,HttpServletResponse response,String modName)
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47 throws LuanException
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48 {
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49 LuanFunction fn;
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50 synchronized(luan) {
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51 Object mod = PackageLuan.load(luan,modName);
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52 if( mod==null )
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53 return false;
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54 if( !(mod instanceof LuanTable) )
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55 throw luan.exception( "module '"+modName+"' must return a table" );
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56 LuanTable tbl = (LuanTable)mod;
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57 if( Boolean.TRUE.equals(tbl.get(luan,"per_session")) ) {
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58 HttpSession session = request.getSession();
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59 LuanState sessionLuan = (LuanState)session.getValue("luan");
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60 if( sessionLuan!=null ) {
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61 luan = sessionLuan;
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62 } else {
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63 DeepCloner cloner = new DeepCloner();
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64 luan = (LuanState)cloner.deepClone(luan);
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65 session.putValue("luan",luan);
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66 }
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67 tbl = (LuanTable)PackageLuan.require(luan,modName);
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68 fn = getService(luan,tbl);
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69 } else {
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70 fn = getService(luan,tbl);
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71 DeepCloner cloner = new DeepCloner();
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72 luan = (LuanState)cloner.deepClone(luan);
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73 fn = (LuanFunction)cloner.get(fn);
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74 }
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75 }
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77 LuanTable module = (LuanTable)PackageLuan.require(luan,"luan:web/Http");
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78 HttpServicer lib = new HttpServicer(request,response);
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79 try {
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80 module.put( luan, "request", lib.requestTable() );
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81 module.put( luan, "response", lib.responseTable() );
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82 module.put( luan, "session", lib.sessionTable() );
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83 /*
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84 module.put( "write", new LuanJavaFunction(
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85 HttpServicer.class.getMethod( "text_write", LuanState.class, new Object[0].getClass() ), lib
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86 ) );
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87 */
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88 } catch(NoSuchMethodException e) {
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89 throw new RuntimeException(e);
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90 }
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91
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92 try {
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93 luan.call(fn,"<http>");
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94 } catch(LuanExitException e) {
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95 // System.out.println("caught LuanExitException");
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96 }
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97 return true;
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98 }
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99
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100 private static LuanFunction getService(LuanState luan,LuanTable tbl)
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101 throws LuanException
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102 {
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103 Object service = tbl.get(luan,"service");
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104 if( service == null )
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105 throw luan.exception( "function 'service' is not defined" );
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106 if( !(service instanceof LuanFunction) )
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107 throw luan.exception( "'service' must be a function but is a " + Luan.type(service) );
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108 return (LuanFunction)service;
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109 }
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110
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111
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112 private final HttpServletRequest request;
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113 private final HttpServletResponse response;
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114 // private PrintWriter writer = null;
136
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115 // private ServletOutputStream sos = null;
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116
251
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117 private HttpServicer(HttpServletRequest request,HttpServletResponse response) {
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118 this.request = request;
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119 this.response = response;
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120 }
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121
136
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122 private LuanTable requestTable() throws NoSuchMethodException {
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123 LuanTable tbl = LuanPropertyMeta.INSTANCE.newTable();
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124 LuanTable getters = LuanPropertyMeta.INSTANCE.getters(tbl);
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125 tbl.rawPut("java",request);
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126 LuanTable parameters = new NameMeta() {
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127
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128 @Override Object get(String name) {
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129 return request.getParameter(name);
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130 }
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131
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132 @Override protected Iterator keys(LuanTable tbl) {
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133 return new EnumerationIterator(request.getParameterNames());
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134 }
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135
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136 @Override protected String type(LuanTable tbl) {
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137 return "request.parameters";
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138 }
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139
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140 }.newTable();
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141 tbl.rawPut( "parameters", parameters );
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142 add( tbl, "get_parameter_values", String.class );
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143 LuanTable headers = new NameMeta() {
222
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144
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145 @Override Object get(String name) {
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146 return request.getHeader(name);
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147 }
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148
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149 @Override protected Iterator keys(LuanTable tbl) {
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150 return new EnumerationIterator(request.getHeaderNames());
222
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151 }
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152
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153 @Override protected String type(LuanTable tbl) {
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154 return "request.headers";
222
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155 }
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156
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157 }.newTable();
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158 tbl.rawPut( "headers", headers );
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159 getters.rawPut( "method", new LuanJavaFunction(
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160 HttpServletRequest.class.getMethod( "getMethod" ), request
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161 ) );
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162 getters.rawPut( "path", new LuanJavaFunction(
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163 HttpServletRequest.class.getMethod( "getRequestURI" ), request
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164 ) );
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165 getters.rawPut( "server_name", new LuanJavaFunction(
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166 HttpServletRequest.class.getMethod( "getServerName" ), request
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167 ) );
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168 getters.rawPut( "url", new LuanJavaFunction(
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169 HttpServicer.class.getMethod( "getURL" ), this
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170 ) );
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171 getters.rawPut( "query_string", new LuanJavaFunction(
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172 HttpServicer.class.getMethod( "getQueryString" ), this
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173 ) );
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174 getters.rawPut( "remote_address", new LuanJavaFunction(
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175 HttpServletRequest.class.getMethod( "getRemoteAddr" ), request
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176 ) );
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177 LuanTable cookies = new LuanMeta() {
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178
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179 @Override public Object __index(LuanState luan,LuanTable tbl,Object key) {
225
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180 if( !(key instanceof String) )
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181 return null;
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182 String name = (String)key;
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183 return getCookieValue(request,name);
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184 }
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185
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186 @Override protected Iterator<Object> keys(LuanTable tbl) {
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187 return new Iterator<Object>() {
225
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188 final Cookie[] cookies = request.getCookies();
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189 int i = 0;
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190
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191 @Override public boolean hasNext() {
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192 return i < cookies.length;
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193 }
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194 @Override public Object next() {
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195 return cookies[i++].getName();
225
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196 }
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197 @Override public void remove() {
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198 throw new UnsupportedOperationException();
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199 }
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200 };
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201 }
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202
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203 @Override protected String type(LuanTable tbl) {
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204 return "request.cookies";
225
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205 }
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206
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207 }.newTable();
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208 tbl.rawPut( "cookies", cookies );
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209
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210 String contentType = request.getContentType();
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211 if( contentType!=null && contentType.startsWith("multipart/form-data") ) {
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212 try {
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213 InputStream in = new BufferedInputStream(request.getInputStream());
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214 final MultiPartInputStream mpis = new MultiPartInputStream(in,contentType,null,null);
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215 mpis.setDeleteOnExit(true);
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216 parameters = new LuanTable();
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217 final Map map = new HashMap();
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218 for( Part p : mpis.getParts() ) {
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219 final MultiPartInputStream.MultiPart part = (MultiPartInputStream.MultiPart)p;
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220 String name = part.getName();
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221 Object value;
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222 String filename = part.getContentDispositionFilename();
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223 if( filename == null ) {
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224 value = new String(part.getBytes());
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225 } else {
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226 LuanTable partTbl = LuanPropertyMeta.INSTANCE.newTable();
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227 partTbl.rawPut("filename",filename);
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228 partTbl.rawPut("content_type",part.getContentType());
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229 LuanPropertyMeta.INSTANCE.getters(partTbl).rawPut( "content", new LuanFunction() {
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230 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
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231 try {
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232 InputStream in = part.getInputStream();
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233 byte[] content = Utils.readAll(in);
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234 in.close();
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235 return content;
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236 } catch(IOException e) {
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237 throw new RuntimeException(e);
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238 }
357
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239 }
407
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240 } );
362
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241 value = partTbl;
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242 }
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243 parameters.rawPut(name,value);
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244 Object old = map.get(name);
362
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245 if( old == null ) {
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246 map.put(name,value);
362
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247 } else if( old instanceof Object[] ) {
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248 Object[] aOld = (Object[])old;
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249 Object[] aNew = new Object[aOld.length+1];
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250 System.arraycopy(aOld,0,aNew,0,aOld.length);
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251 aNew[aOld.length] = value;
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252 map.put(name,aNew);
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253 } else {
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254 map.put(name,new Object[]{old,value});
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255 }
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256 }
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257 tbl.rawPut( "parameters", parameters );
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258 tbl.rawPut( "get_parameter_values", new LuanFunction() {
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259 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
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260 return args.length==0 ? null : map.get(args[0]);
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261 }
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262 } );
361
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263 } catch(IOException e) {
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264 throw new RuntimeException(e);
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265 } catch(ServletException e) {
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266 throw new RuntimeException(e);
357
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267 }
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268 }
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269
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270 return tbl;
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271 }
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272
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273 private LuanTable responseTable() throws NoSuchMethodException {
415
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274 LuanTable tbl = LuanPropertyMeta.INSTANCE.newTable();
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275 LuanTable getters = LuanPropertyMeta.INSTANCE.getters(tbl);
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276 LuanTable setters = LuanPropertyMeta.INSTANCE.setters(tbl);
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277 tbl.rawPut("java",response);
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278 add( tbl, "send_redirect", String.class );
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279 add( tbl, "send_error", Integer.TYPE, String.class );
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280 LuanTable headers = new NameMeta() {
222
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281
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282 @Override Object get(String name) {
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283 return response.getHeader(name);
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284 }
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285
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286 @Override protected Iterator keys(LuanTable tbl) {
222
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287 return response.getHeaderNames().iterator();
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288 }
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289
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290 @Override public boolean canNewindex() {
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291 return true;
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292 }
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293
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294 @Override public void __new_index(LuanState luan,LuanTable tbl,Object key,Object val) {
223
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295 if( !(key instanceof String) )
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296 throw new IllegalArgumentException("key must be string for headers table");
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297 String name = (String)key;
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298 if( val instanceof String ) {
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299 response.setHeader(name,(String)val);
224
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300 return;
223
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301 }
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302 Integer i = Luan.asInteger(val);
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303 if( i != null ) {
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304 response.setIntHeader(name,i);
224
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305 return;
223
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306 }
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307 throw new IllegalArgumentException("value must be string or integer for headers table");
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308 }
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309
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310 @Override protected String type(LuanTable tbl) {
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311 return "response.headers";
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312 }
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313
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314 }.newTable();
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315 tbl.rawPut( "headers", headers );
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316 getters.rawPut( "content_type", new LuanJavaFunction(
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317 HttpServletResponse.class.getMethod( "getContentType" ), response
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318 ) );
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319 setters.rawPut( "content_type", new LuanJavaFunction(
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320 HttpServletResponse.class.getMethod( "setContentType", String.class ), response
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321 ) );
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322 getters.rawPut( "character_encoding", new LuanJavaFunction(
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323 HttpServletResponse.class.getMethod( "getCharacterEncoding" ), response
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324 ) );
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325 setters.rawPut( "character_encoding", new LuanJavaFunction(
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326 HttpServletResponse.class.getMethod( "setCharacterEncoding", String.class ), response
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327 ) );
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328 add( tbl, "text_writer" );
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329 add( tbl, "set_cookie", String.class, String.class, Boolean.TYPE, String.class );
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330 add( tbl, "remove_cookie", String.class, String.class );
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331 try {
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332 getters.rawPut( "status", new LuanJavaFunction(
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333 HttpServletResponse.class.getMethod( "getStatus" ), response
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334 ) );
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335 } catch(NoSuchMethodException e) {
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336 logger.info("please upgrade jetty");
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337 }
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338 setters.rawPut( "status", new LuanJavaFunction(
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339 HttpServletResponse.class.getMethod( "setStatus", Integer.TYPE ), response
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340 ) );
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341 return tbl;
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342 }
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343
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344 private LuanTable sessionTable() throws NoSuchMethodException {
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diff changeset
345 LuanTable tbl = new LuanTable();
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346 LuanTable attributes = new NameMeta() {
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347
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348 @Override Object get(String name) {
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349 return request.getSession().getAttribute(name);
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350 }
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351
415
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diff changeset
352 @Override protected Iterator keys(LuanTable tbl) {
413
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353 return new EnumerationIterator(request.getSession().getAttributeNames());
222
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354 }
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355
405
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diff changeset
356 @Override public boolean canNewindex() {
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357 return true;
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358 }
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359
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360 @Override public void __new_index(LuanState luan,LuanTable tbl,Object key,Object val) {
222
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361 if( !(key instanceof String) )
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362 throw new IllegalArgumentException("key must be string for session attributes table");
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363 String name = (String)key;
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364 request.getSession().setAttribute(name,val);
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365 }
416
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366
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367 @Override protected String type(LuanTable tbl) {
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368 return "session.attributes";
222
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369 }
416
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370
405
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371 }.newTable();
427
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372 tbl.rawPut( "attributes", attributes );
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373 return tbl;
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374 }
89
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375
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376 private void add(LuanTable t,String method,Class<?>... parameterTypes) throws NoSuchMethodException {
427
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377 t.rawPut( method, new LuanJavaFunction(HttpServicer.class.getMethod(method,parameterTypes),this) );
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378 }
138
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379 /*
136
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380 public void text_write(LuanState luan,Object... args) throws LuanException, IOException {
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381 if( writer == null )
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382 writer = response.getWriter();
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383 for( Object obj : args ) {
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384 writer.print( luan.toString(obj) );
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385 }
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386 }
138
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387 */
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388 public LuanTable text_writer() throws IOException {
168
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389 return IoLuan.textWriter(response.getWriter());
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390 }
136
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391
413
8937263f59f6 add __pairs;
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392 public Object[] get_parameter_values(String name) {
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393 return request.getParameterValues(name);
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394 }
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395
89
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396 public void send_redirect(String redirectUrl)
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397 throws IOException
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398 {
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399 response.sendRedirect(redirectUrl);
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400 throw new LuanExitException();
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401 }
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402
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403 public void send_error(int code,String text)
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404 throws IOException
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405 {
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406 response.sendError(code, text);
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407 throw new LuanExitException();
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408 }
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409
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410 public void set_cookie(String name,String value,boolean isPersistent, String domain) {
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411 setCookie(request,response,name,value,isPersistent,domain);
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412 }
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413
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414 public void remove_cookie(String name, String domain) {
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415 removeCookie(request,response,name,domain);
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416 }
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417
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418
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419 // static utils
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420
407
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421 public String getQueryString() {
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422 return getQueryString(request);
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423 }
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424
89
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425 public static String getQueryString(HttpServletRequest request) {
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426 return getQueryString(request,0);
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427 }
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428
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429 public static String getQueryString(HttpServletRequest request,int maxValueLen) {
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430 String method = request.getMethod();
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431 if( method.equals("GET") )
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432 return request.getQueryString();
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433 if( !method.equals("POST") && !method.equals("HEAD") )
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434 throw new RuntimeException(method);
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435 Enumeration en = request.getParameterNames();
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436 StringBuilder queryBuf = new StringBuilder();
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437 if( !en.hasMoreElements() )
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438 return null;
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diff changeset
439 do {
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440 String param = (String)en.nextElement();
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441 String value = request.getParameter(param);
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442 if( maxValueLen > 0 ) {
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443 int len = value.length();
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444 if( len > maxValueLen )
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445 value = value.substring(0,maxValueLen) + "..." + (len-maxValueLen);
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446 }
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447 queryBuf.append(param);
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448 queryBuf.append('=');
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449 queryBuf.append(value);
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450 queryBuf.append('&');
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451 } while( en.hasMoreElements() );
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452 queryBuf.deleteCharAt(queryBuf.length() - 1);
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diff changeset
453 return queryBuf.toString();
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454 }
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455
407
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diff changeset
456 public String getURL() {
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457 return getURL(request);
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458 }
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459
313
1f6d828986b9 replace Http.request.servlet_path with Http.request.path;
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diff changeset
460 public static String getURL(HttpServletRequest request) {
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diff changeset
461 return getURL(request,0);
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462 }
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463
313
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diff changeset
464 public static String getURL(HttpServletRequest request,int maxValueLen) {
89
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diff changeset
465 // StringBuffer buf = HttpUtils.getRequestURL(request);
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diff changeset
466 StringBuffer buf = request.getRequestURL();
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diff changeset
467 String qStr = getQueryString(request,maxValueLen);
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diff changeset
468 if(qStr != null && qStr.length() > 0) {
8ef2d6701541 improve HttpLib
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diff changeset
469 buf.append('?');
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diff changeset
470 buf.append(qStr);
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471 }
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diff changeset
472 return buf.toString();
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diff changeset
473 }
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diff changeset
474
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parents: 88
diff changeset
475 private static String escape(String value) {
8ef2d6701541 improve HttpLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
476 return value.replaceAll(";", "%3B");
8ef2d6701541 improve HttpLib
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parents: 88
diff changeset
477 }
8ef2d6701541 improve HttpLib
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parents: 88
diff changeset
478
8ef2d6701541 improve HttpLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
479 private static String unescape(String value) {
8ef2d6701541 improve HttpLib
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diff changeset
480 return value.replaceAll("%3B", ";");
8ef2d6701541 improve HttpLib
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481 }
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diff changeset
482
8ef2d6701541 improve HttpLib
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diff changeset
483 private static Cookie getCookie(HttpServletRequest request,String name) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
484 Cookie[] cookies = request.getCookies();
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 88
diff changeset
485 if( cookies == null )
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diff changeset
486 return null;
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487 for (Cookie cookie : cookies) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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488 if (cookie.getName().equals(name))
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diff changeset
489 return cookie;
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490 }
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diff changeset
491 return null;
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diff changeset
492 }
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diff changeset
493
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diff changeset
494 public static String getCookieValue(HttpServletRequest request,String name) {
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diff changeset
495 Cookie cookie = getCookie(request,name);
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496 return cookie==null ? null : unescape(cookie.getValue());
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497 }
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diff changeset
498
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diff changeset
499 public static void setCookie(HttpServletRequest request,HttpServletResponse response,String name,String value,boolean isPersistent, String domain) {
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parents: 88
diff changeset
500 Cookie cookie = getCookie(request,name);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
501 if( cookie==null || !cookie.getValue().equals(value) ) {
8ef2d6701541 improve HttpLib
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parents: 88
diff changeset
502 cookie = new Cookie(name, escape(value));
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parents: 88
diff changeset
503 cookie.setPath("/");
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parents: 88
diff changeset
504 if (domain != null && domain.length() > 0)
8ef2d6701541 improve HttpLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 88
diff changeset
505 cookie.setDomain(domain);
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parents: 88
diff changeset
506 if( isPersistent )
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diff changeset
507 cookie.setMaxAge(10000000);
8ef2d6701541 improve HttpLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 88
diff changeset
508 response.addCookie(cookie);
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parents: 88
diff changeset
509 }
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diff changeset
510 }
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diff changeset
511
8ef2d6701541 improve HttpLib
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diff changeset
512 public static void removeCookie(HttpServletRequest request,
8ef2d6701541 improve HttpLib
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diff changeset
513 HttpServletResponse response,
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parents: 88
diff changeset
514 String name,
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parents: 88
diff changeset
515 String domain
8ef2d6701541 improve HttpLib
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parents: 88
diff changeset
516 ) {
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parents: 88
diff changeset
517 Cookie cookie = getCookie(request, name);
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parents: 88
diff changeset
518 if(cookie != null) {
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parents: 88
diff changeset
519 Cookie delCookie = new Cookie(name, "delete");
8ef2d6701541 improve HttpLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 88
diff changeset
520 delCookie.setPath("/");
8ef2d6701541 improve HttpLib
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parents: 88
diff changeset
521 delCookie.setMaxAge(0);
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parents: 88
diff changeset
522 if (domain != null && domain.length() > 0)
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parents: 88
diff changeset
523 delCookie.setDomain(domain);
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parents: 88
diff changeset
524 response.addCookie(delCookie);
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parents: 88
diff changeset
525 }
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diff changeset
526 }
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parents: 88
diff changeset
527
222
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
528
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
529
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
530 // util classes
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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diff changeset
531
413
8937263f59f6 add __pairs;
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diff changeset
532 static final class EnumerationIterator implements Iterator {
8937263f59f6 add __pairs;
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diff changeset
533 private final Enumeration en;
222
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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diff changeset
534
413
8937263f59f6 add __pairs;
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parents: 411
diff changeset
535 EnumerationIterator(Enumeration en) {
222
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
536 this.en = en;
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
537 }
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
538
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
539 @Override public boolean hasNext() {
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 221
diff changeset
540 return en.hasMoreElements();
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 221
diff changeset
541 }
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
542
413
8937263f59f6 add __pairs;
Franklin Schmidt <fschmidt@gmail.com>
parents: 411
diff changeset
543 @Override public Object next() {
222
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
544 return en.nextElement();
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
545 }
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 221
diff changeset
546
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 221
diff changeset
547 @Override public void remove() {
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 221
diff changeset
548 throw new UnsupportedOperationException();
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
549 }
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
550 }
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
551
405
3e68917a0dc6 add LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 377
diff changeset
552 private static abstract class NameMeta extends LuanMeta {
222
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
553 abstract Object get(String name);
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
554
405
3e68917a0dc6 add LuanMeta
Franklin Schmidt <fschmidt@gmail.com>
parents: 377
diff changeset
555 @Override public Object __index(LuanState luan,LuanTable tbl,Object key) {
222
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 221
diff changeset
556 if( !(key instanceof String) )
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
557 return null;
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
558 String name = (String)key;
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 221
diff changeset
559 return get(name);
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
560 }
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
561
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
562 };
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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parents: 221
diff changeset
563
226
392105b660d7 add LuanProperty
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 225
diff changeset
564 private static String string(Object value) {
392105b660d7 add LuanProperty
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 225
diff changeset
565 if( !(value instanceof String) )
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parents: 225
diff changeset
566 throw new IllegalArgumentException("value must be string");
392105b660d7 add LuanProperty
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 225
diff changeset
567 return (String)value;
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parents: 225
diff changeset
568 }
76
97b03fc807ad add HttpLib and WebServlet
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
569 }