arcrecordmetadata.html

用JAVA编写的,在做实验的时候留下来的,本来想删的,但是传上来,大家分享吧

<a name="131" href="#131">131</a> <em>     * @return Return length of the record.</em>
<a name="132" href="#132">132</a> <em>     */</em>
<a name="133" href="#133">133</a>     <strong>public</strong> <strong>long</strong> getLength() {
<a name="134" href="#134">134</a>         <strong>return</strong> Long.parseLong((String)<strong>this</strong>.headerFields.
<a name="135" href="#135">135</a>             get(LENGTH_FIELD_KEY));
<a name="136" href="#136">136</a>     }
<a name="137" href="#137">137</a> 
<a name="138" href="#138">138</a>     <em>/**<em>*</em></em>
<a name="139" href="#139">139</a> <em>     * @return Header url.</em>
<a name="140" href="#140">140</a> <em>     */</em>
<a name="141" href="#141">141</a>     <strong>public</strong> String getUrl() {
<a name="142" href="#142">142</a>         <strong>return</strong> (String)<strong>this</strong>.headerFields.get(URL_FIELD_KEY);
<a name="143" href="#143">143</a>     }
<a name="144" href="#144">144</a> 
<a name="145" href="#145">145</a>     <em>/**<em>*</em></em>
<a name="146" href="#146">146</a> <em>     * @return IP.</em>
<a name="147" href="#147">147</a> <em>     */</em>
<a name="148" href="#148">148</a>     <strong>public</strong> String getIp()
<a name="149" href="#149">149</a>     {
<a name="150" href="#150">150</a>         <strong>return</strong> (String)<strong>this</strong>.headerFields.get(IP_HEADER_FIELD_KEY);
<a name="151" href="#151">151</a>     }
<a name="152" href="#152">152</a> 
<a name="153" href="#153">153</a>     <em>/**<em>*</em></em>
<a name="154" href="#154">154</a> <em>     * @return mimetype The mimetype that is in the ARC metaline -- NOT the http</em>
<a name="155" href="#155">155</a> <em>     * content-type content.</em>
<a name="156" href="#156">156</a> <em>     */</em>
<a name="157" href="#157">157</a>     <strong>public</strong> String getMimetype() {
<a name="158" href="#158">158</a>         <strong>return</strong> (String)<strong>this</strong>.headerFields.get(MIMETYPE_FIELD_KEY);
<a name="159" href="#159">159</a>     }
<a name="160" href="#160">160</a> 
<a name="161" href="#161">161</a>     <em>/**<em>*</em></em>
<a name="162" href="#162">162</a> <em>     * @return Arcfile version.</em>
<a name="163" href="#163">163</a> <em>     */</em>
<a name="164" href="#164">164</a>     <strong>public</strong> String getVersion() {
<a name="165" href="#165">165</a>         <strong>return</strong> (String)<strong>this</strong>.headerFields.get(VERSION_FIELD_KEY);
<a name="166" href="#166">166</a>     }
<a name="167" href="#167">167</a> 
<a name="168" href="#168">168</a>     <em>/**<em>*</em></em>
<a name="169" href="#169">169</a> <em>     * @return Offset into arcfile at which this record begins.</em>
<a name="170" href="#170">170</a> <em>     */</em>
<a name="171" href="#171">171</a>     <strong>public</strong> <strong>long</strong> getOffset() {
<a name="172" href="#172">172</a>         <strong>return</strong> ((Long)<strong>this</strong>.headerFields.get(ABSOLUTE_OFFSET_KEY)).longValue();
<a name="173" href="#173">173</a>     }
<a name="174" href="#174">174</a> 
<a name="175" href="#175">175</a>     <em>/**<em>*</em></em>
<a name="176" href="#176">176</a> <em>     * @param key Key to use looking up field value.</em>
<a name="177" href="#177">177</a> <em>     * @return value for passed key of null if no such entry.</em>
<a name="178" href="#178">178</a> <em>     */</em>
<a name="179" href="#179">179</a>     <strong>public</strong> Object getHeaderValue(String key) {
<a name="180" href="#180">180</a>         <strong>return</strong> <strong>this</strong>.headerFields.get(key);
<a name="181" href="#181">181</a>     }
<a name="182" href="#182">182</a> 
<a name="183" href="#183">183</a>     <em>/**<em>*</em></em>
<a name="184" href="#184">184</a> <em>     * @return Header field name keys.</em>
<a name="185" href="#185">185</a> <em>     */</em>
<a name="186" href="#186">186</a>     <strong>public</strong> Set getHeaderFieldKeys()
<a name="187" href="#187">187</a>     {
<a name="188" href="#188">188</a>         <strong>return</strong> <strong>this</strong>.headerFields.keySet();
<a name="189" href="#189">189</a>     }
<a name="190" href="#190">190</a> 
<a name="191" href="#191">191</a>     <em>/**<em>*</em></em>
<a name="192" href="#192">192</a> <em>     * @return Map of header fields.</em>
<a name="193" href="#193">193</a> <em>     */</em>
<a name="194" href="#194">194</a>     <strong>public</strong> Map getHeaderFields() {
<a name="195" href="#195">195</a>         <strong>return</strong> <strong>this</strong>.headerFields;
<a name="196" href="#196">196</a>     }
<a name="197" href="#197">197</a>     
<a name="198" href="#198">198</a>     <em>/**<em>*</em></em>
<a name="199" href="#199">199</a> <em>     * @return Returns identifier for ARC.</em>
<a name="200" href="#200">200</a> <em>     */</em>
<a name="201" href="#201">201</a>     <strong>public</strong> String getArc() {
<a name="202" href="#202">202</a>         <strong>return</strong> <strong>this</strong>.arc;
<a name="203" href="#203">203</a>     }
<a name="204" href="#204">204</a>     
<a name="205" href="#205">205</a>     <em>/**<em>*</em></em>
<a name="206" href="#206">206</a> <em>     * @return Convenience method that does a</em>
<a name="207" href="#207">207</a> <em>     * return new File(this.arc) (Be aware this.arc is not always</em>
<a name="208" href="#208">208</a> <em>     * full path to an ARC file -- may be an URL).  Test</em>
<a name="209" href="#209">209</a> <em>     * returned file for existence.</em>
<a name="210" href="#210">210</a> <em>     */</em>
<a name="211" href="#211">211</a>     <strong>public</strong> File getArcFile() {
<a name="212" href="#212">212</a>         <strong>return</strong> <strong>new</strong> File(<strong>this</strong>.arc);
<a name="213" href="#213">213</a>     }
<a name="214" href="#214">214</a>     
<a name="215" href="#215">215</a>     <em>/**<em>*</em></em>
<a name="216" href="#216">216</a> <em>     * @return Returns the digest.</em>
<a name="217" href="#217">217</a> <em>     */</em>
<a name="218" href="#218">218</a>     <strong>public</strong> String getDigest() {
<a name="219" href="#219">219</a>         <strong>return</strong> <strong>this</strong>.digest;
<a name="220" href="#220">220</a>     }
<a name="221" href="#221">221</a>     
<a name="222" href="#222">222</a>     <em>/**<em>*</em></em>
<a name="223" href="#223">223</a> <em>     * @param d The digest to set.</em>
<a name="224" href="#224">224</a> <em>     */</em>
<a name="225" href="#225">225</a>     <strong>public</strong> <strong>void</strong> setDigest(String d) {
<a name="226" href="#226">226</a>         <strong>this</strong>.digest = d;
<a name="227" href="#227">227</a>     }
<a name="228" href="#228">228</a>     
<a name="229" href="#229">229</a>     <em>/**<em>*</em></em>
<a name="230" href="#230">230</a> <em>     * @return Returns the statusCode.  May be null.</em>
<a name="231" href="#231">231</a> <em>     */</em>
<a name="232" href="#232">232</a>     <strong>public</strong> String getStatusCode() {
<a name="233" href="#233">233</a>         <strong>return</strong> <strong>this</strong>.statusCode;
<a name="234" href="#234">234</a>     }
<a name="235" href="#235">235</a>     
<a name="236" href="#236">236</a>     <em>/**<em>*</em></em>
<a name="237" href="#237">237</a> <em>     * @param statusCode The statusCode to set.</em>
<a name="238" href="#238">238</a> <em>     */</em>
<a name="239" href="#239">239</a>     <strong>public</strong> <strong>void</strong> setStatusCode(String statusCode) {
<a name="240" href="#240">240</a>         <strong>this</strong>.statusCode = statusCode;
<a name="241" href="#241">241</a>     }
<a name="242" href="#242">242</a>     
<a name="243" href="#243">243</a>     <strong>public</strong> String toString() {
<a name="244" href="#244">244</a>         <strong>return</strong> ((<strong>this</strong>.arc != <strong>null</strong>)? <strong>this</strong>.arc: <span class="string">""</span>) +
<a name="245" href="#245">245</a>            <span class="string">": "</span> +
<a name="246" href="#246">246</a>            ((<strong>this</strong>.headerFields != <strong>null</strong>)? <strong>this</strong>.headerFields.toString():  <span class="string">""</span>);
<a name="247" href="#247">247</a>     }
<a name="248" href="#248">248</a> 
<a name="249" href="#249">249</a> 	<strong>public</strong> String getReaderIdentifier() {
<a name="250" href="#250">250</a> 		<strong>return</strong> <strong>this</strong>.getArc();
<a name="251" href="#251">251</a> 	}
<a name="252" href="#252">252</a> 
<a name="253" href="#253">253</a> 	<strong>public</strong> String getRecordIdentifier() {
<a name="254" href="#254">254</a> 	    <strong>return</strong> getDate() + <span class="string">"/"</span> + getUrl();
<a name="255" href="#255">255</a> 	}
<a name="256" href="#256">256</a> 
<a name="257" href="#257">257</a>     <strong>public</strong> <strong>int</strong> getContentBegin() {
<a name="258" href="#258">258</a>         <strong>return</strong> <strong>this</strong>.contentBegin;
<a name="259" href="#259">259</a>     }
<a name="260" href="#260">260</a>     
<a name="261" href="#261">261</a>     <strong>void</strong> setContentBegin(<strong>final</strong> <strong>int</strong> offset) {
<a name="262" href="#262">262</a>         <strong>this</strong>.contentBegin = offset;
<a name="263" href="#263">263</a>     }
<a name="264" href="#264">264</a> }
</pre>
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