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13 <html xmlns="http://www.w3.org/1999/xhtml">
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14 <head>
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15 <title>ws-xmlrpc - XML-RPC Data Types</title>
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16 <style type="text/css" media="all">
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17 @import url("./css/maven-base.css");
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23 </head>
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24 <body class="composite">
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25 <div id="banner">
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26 <a href="" id="bannerLeft">
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27
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28 <img src="images/xmlrpc-logo.gif" alt="" />
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29
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30 </a>
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31 <div class="clear">
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32 <hr/>
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33 </div>
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34 </div>
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35 <div id="breadcrumbs">
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43
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44 <div class="xleft">
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45 Last Published: 2010-02-06
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46 </div>
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47 <div class="xright"> <a href="http://www.apache.org/" class="externalLink">Apache</a>
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48 |
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49 <a href="../">Webservices</a>
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50 |
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51 <a href="">XML-RPC</a>
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60 </div>
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61 <div class="clear">
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62 <hr/>
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63 </div>
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66 <div id="navcolumn">
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74
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75 <h5>XML-RPC</h5>
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76 <ul>
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77
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78 <li class="none">
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79 <a href="index.html">Overview</a>
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92 </li>
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96 </li>
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99 <a href="xmlrpc2">XML-RPC 2</a>
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100 </li>
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103 <a href="links.html">Links</a>
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104 </li>
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105 </ul>
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106 <h5>Documentation</h5>
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107 <ul>
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108
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110 <a href="client.html">Client Classes</a>
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111 </li>
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112
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113 <li class="none">
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114 <a href="server.html">Server Side XML-RPC</a>
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115 </li>
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116
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117 <li class="none">
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118 <a href="extensions.html">Vendor Extensions</a>
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130 <a href="advanced.html">Advanced Techniques</a>
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131 </li>
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132
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133 <li class="none">
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134 <strong>XML-RPC Types</strong>
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135 </li>
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138 <a href="faq.html">FAQ</a>
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142 <a href="apidocs/index.html">Javadocs</a>
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145 <h5>Project Documentation</h5>
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191 <img alt="Built by Maven" src="./images/logos/maven-feather.png"></img>
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192 </a>
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201 </div>
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202 </div>
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203 <div id="bodyColumn">
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204 <div id="contentBox">
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205 <div class="section"><h2>Data Types</h2>
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206 <p>The <a href="http://www.xmlrpc.com/spec" class="externalLink">XML-RPC specification</a> defines the following available data types:</p>
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207 <table class="bodyTable"><tbody><tr class="a"><td align="left">Java Type</td>
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208 <td align="left">XML Tag Name</td>
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209 <td align="left">Description</td>
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210 </tr>
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211 <tr class="b"><td align="left">Integer</td>
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212 <td align="left"><i>i4</i>, or<br />
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213 <i>int</i></td>
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214 <td align="left">A 32-bit, signed, and non-null,<br />
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215 integer value.</td>
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216 </tr>
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217 <tr class="a"><td align="left">Boolean</td>
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218 <td align="left"><i>boolean</i></td>
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219 <td align="left">A non-null, boolean value (0, or<br />
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220 1).</td>
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221 </tr>
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222 <tr class="b"><td align="left">String</td>
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223 <td align="left"><i>string</i></td>
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224 <td align="left">A string, non-null.</td>
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225 </tr>
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226 <tr class="a"><td align="left">Double</td>
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227 <td align="left"><i>double</i></td>
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228 <td align="left">A signed, non-null, double<br />
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229 precision, floating point number.<br />
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230 (64 bit)</td>
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231 </tr>
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232 <tr class="b"><td align="left">java.util.Date</td>
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233 <td align="left"><i>dateTime.iso8601</i></td>
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234 <td align="left">A pseudo ISO8601 timestamp, like<br />
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235 19980717T14:08:55. However,<br />
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236 compared to a true ISO8601 value,<br />
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237 milliseconds, and time zone<br />
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238 informations are missing.</td>
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239 </tr>
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240 <tr class="a"><td align="left">byte[]</td>
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241 <td align="left"><i>base64</i></td>
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242 <td align="left">A base64 encoded byte array.</td>
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243 </tr>
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244 <tr class="b"><td align="left">java.util.Map</td>
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245 <td align="left"><i>struct</i></td>
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246 <td align="left">A key value pair. The keys are<br />
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247 strings. The values may be any<br />
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248 valid data type, including another<br />
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249 map.</td>
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250 </tr>
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251 <tr class="a"><td align="left">Object[]<br />
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252 java.util.List</td>
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253 <td align="left"><i>array</i></td>
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254 <td align="left">An array of objects. The array<br />
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255 elements may be any valid data<br />
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256 type, including another array.<br />
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257 The server may return other arrays (for<br />
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258 example String[]) or lists (using<br />
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259 generics). However, the client will<br />
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260 always return an Object[], because<br />
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261 the XML-RPC protocol doesn't include<br />
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262 between different array types.</td>
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263 </tr>
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264 </tbody>
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265 </table>
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266 <p>If the property <tt>enabledForExtensions</tt> is set, then additional data types become valid. (Both client and server do support this property.)</p>
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267 <table class="bodyTable"><tbody><tr class="b"><td align="left">Java Type</td>
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268 <td align="left">XML Tag Name</td>
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269 <td align="left">Description</td>
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270 </tr>
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271 <tr class="a"><td align="left">None</td>
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272 <td align="left"><i>ex:nil</i></td>
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273 <td align="left">A typeless null value.</td>
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274 </tr>
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275 <tr class="b"><td align="left">Byte</td>
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276 <td align="left"><i>ex:i1</i></td>
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277 <td align="left">A 8-bit, signed, and non-null,<br />
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278 integer value.</td>
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279 </tr>
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280 <tr class="a"><td align="left">Float</td>
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281 <td align="left"><i>ex:float</i></td>
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282 <td align="left">A signed, non-null, double<br />
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283 precision, floating point number.<br />
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284 (32 bit)</td>
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285 </tr>
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286 <tr class="b"><td align="left">Long</td>
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287 <td align="left"><i>ex:i8</i></td>
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288 <td align="left">A 64-bit, signed, and non-null,<br />
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289 integer value.</td>
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290 </tr>
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291 <tr class="a"><td align="left">org.w3c.dom.Node</td>
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292 <td align="left"><i>ex:dom</i></td>
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293 <td align="left">A DOM node, which is being<br />
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294 transmitted as an embedded XML<br />
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295 fragment.</td>
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296 </tr>
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297 <tr class="b"><td align="left">Short</td>
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298 <td align="left"><i>ex:i2</i></td>
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299 <td align="left">A 16-bit, signed, and non-null,<br />
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300 integer value.</td>
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301 </tr>
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302 <tr class="a"><td align="left">java.io.Serializable</td>
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303 <td align="left"><i>ex:serializable</i></td>
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304 <td align="left">An object, which is converted into<br />
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305 a serialized representation and<br />
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306 transmitted as a base 64 encoded<br />
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307 byte array.</td>
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308 </tr>
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309 <tr class="b"><td align="left">BigDecimal</td>
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310 <td align="left"><i>ex:bigdecimal</i></td>
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311 <td align="left">A BigDecimal</td>
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312 </tr>
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313 <tr class="a"><td align="left">BigInteger</td>
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314 <td align="left"><i>ex:biginteger</i></td>
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315 <td align="left">A BigInteger</td>
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316 </tr>
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317 <tr class="b"><td align="left">java.util.Calendar</td>
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318 <td align="left"><i>ex:dateTime</i></td>
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319 <td align="left">Unlike the dateTime.iso8601 type,<br />
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320 this is a full blown xs:dateTime<br />
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321 value. In particular, it includes<br />
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322 milliseconds, and timezone settings.</td>
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323 </tr>
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324 </tbody>
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325 </table>
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326 <p>In the above table, the prefix <tt>ex</tt> refers to the namespace URI <tt>http://ws.apache.org/xmlrpc/namespaces/extensions</tt>.</p>
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327 </div>
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328
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329 </div>
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330 </div>
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331 <div class="clear">
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332 <hr/>
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333 </div>
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334 <div id="footer">
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335 <div class="xright">©
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336 2001-2010
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337
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338 The Apache Software Foundation
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339
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347 </div>
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348 <div class="clear">
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350 </div>
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353 </html>
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