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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.rest;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.util.List;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import javax.servlet.ServletContext;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.NamespaceDescriptor;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.rest.model.NamespacesInstanceModel;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.rest.model.TableListModel;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.rest.model.TableModel;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.slf4j.Logger;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.slf4j.LoggerFactory;<a name="line.32"></a>
<span class="sourceLineNo">033</span><a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hbase.thirdparty.javax.ws.rs.Consumes;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hbase.thirdparty.javax.ws.rs.DELETE;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hbase.thirdparty.javax.ws.rs.GET;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.hbase.thirdparty.javax.ws.rs.POST;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.hbase.thirdparty.javax.ws.rs.PUT;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.hbase.thirdparty.javax.ws.rs.Path;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.hbase.thirdparty.javax.ws.rs.PathParam;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.hbase.thirdparty.javax.ws.rs.Produces;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.hbase.thirdparty.javax.ws.rs.core.Context;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.apache.hbase.thirdparty.javax.ws.rs.core.HttpHeaders;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.apache.hbase.thirdparty.javax.ws.rs.core.Response;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.apache.hbase.thirdparty.javax.ws.rs.core.UriInfo;<a name="line.45"></a>
<span class="sourceLineNo">046</span><a name="line.46"></a>
<span class="sourceLineNo">047</span>/**<a name="line.47"></a>
<span class="sourceLineNo">048</span> * Implements the following REST end points:<a name="line.48"></a>
<span class="sourceLineNo">049</span> * &lt;p&gt;<a name="line.49"></a>
<span class="sourceLineNo">050</span> * &lt;tt&gt;/namespaces/{namespace} GET: get namespace properties.&lt;/tt&gt;<a name="line.50"></a>
<span class="sourceLineNo">051</span> * &lt;tt&gt;/namespaces/{namespace} POST: create namespace.&lt;/tt&gt;<a name="line.51"></a>
<span class="sourceLineNo">052</span> * &lt;tt&gt;/namespaces/{namespace} PUT: alter namespace.&lt;/tt&gt;<a name="line.52"></a>
<span class="sourceLineNo">053</span> * &lt;tt&gt;/namespaces/{namespace} DELETE: drop namespace.&lt;/tt&gt;<a name="line.53"></a>
<span class="sourceLineNo">054</span> * &lt;tt&gt;/namespaces/{namespace}/tables GET: list namespace's tables.&lt;/tt&gt;<a name="line.54"></a>
<span class="sourceLineNo">055</span> * &lt;p&gt;<a name="line.55"></a>
<span class="sourceLineNo">056</span> */<a name="line.56"></a>
<span class="sourceLineNo">057</span>@InterfaceAudience.Private<a name="line.57"></a>
<span class="sourceLineNo">058</span>public class NamespacesInstanceResource extends ResourceBase {<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span> private static final Logger LOG = LoggerFactory.getLogger(NamespacesInstanceResource.class);<a name="line.60"></a>
<span class="sourceLineNo">061</span> String namespace;<a name="line.61"></a>
<span class="sourceLineNo">062</span> boolean queryTables = false;<a name="line.62"></a>
<span class="sourceLineNo">063</span><a name="line.63"></a>
<span class="sourceLineNo">064</span> /**<a name="line.64"></a>
<span class="sourceLineNo">065</span> * Constructor for standard NamespaceInstanceResource.<a name="line.65"></a>
<span class="sourceLineNo">066</span> */<a name="line.66"></a>
<span class="sourceLineNo">067</span> public NamespacesInstanceResource(String namespace) throws IOException {<a name="line.67"></a>
<span class="sourceLineNo">068</span> this(namespace, false);<a name="line.68"></a>
<span class="sourceLineNo">069</span> }<a name="line.69"></a>
<span class="sourceLineNo">070</span><a name="line.70"></a>
<span class="sourceLineNo">071</span> /**<a name="line.71"></a>
<span class="sourceLineNo">072</span> * Constructor for querying namespace table list via NamespaceInstanceResource.<a name="line.72"></a>
<span class="sourceLineNo">073</span> */<a name="line.73"></a>
<span class="sourceLineNo">074</span> public NamespacesInstanceResource(String namespace, boolean queryTables) throws IOException {<a name="line.74"></a>
<span class="sourceLineNo">075</span> super();<a name="line.75"></a>
<span class="sourceLineNo">076</span> this.namespace = namespace;<a name="line.76"></a>
<span class="sourceLineNo">077</span> this.queryTables = queryTables;<a name="line.77"></a>
<span class="sourceLineNo">078</span> }<a name="line.78"></a>
<span class="sourceLineNo">079</span><a name="line.79"></a>
<span class="sourceLineNo">080</span> /**<a name="line.80"></a>
<span class="sourceLineNo">081</span> * Build a response for GET namespace description or GET list of namespace tables.<a name="line.81"></a>
<span class="sourceLineNo">082</span> * @param context servlet context<a name="line.82"></a>
<span class="sourceLineNo">083</span> * @param uriInfo (JAX-RS context variable) request URL<a name="line.83"></a>
<span class="sourceLineNo">084</span> * @return A response containing NamespacesInstanceModel for a namespace descriptions and<a name="line.84"></a>
<span class="sourceLineNo">085</span> * TableListModel for a list of namespace tables.<a name="line.85"></a>
<span class="sourceLineNo">086</span> */<a name="line.86"></a>
<span class="sourceLineNo">087</span> @GET<a name="line.87"></a>
<span class="sourceLineNo">088</span> @Produces({ MIMETYPE_TEXT, MIMETYPE_XML, MIMETYPE_JSON, MIMETYPE_PROTOBUF,<a name="line.88"></a>
<span class="sourceLineNo">089</span> MIMETYPE_PROTOBUF_IETF })<a name="line.89"></a>
<span class="sourceLineNo">090</span> public Response get(final @Context ServletContext context, final @Context UriInfo uriInfo) {<a name="line.90"></a>
<span class="sourceLineNo">091</span> if (LOG.isTraceEnabled()) {<a name="line.91"></a>
<span class="sourceLineNo">092</span> LOG.trace("GET " + uriInfo.getAbsolutePath());<a name="line.92"></a>
<span class="sourceLineNo">093</span> }<a name="line.93"></a>
<span class="sourceLineNo">094</span> servlet.getMetrics().incrementRequests(1);<a name="line.94"></a>
<span class="sourceLineNo">095</span><a name="line.95"></a>
<span class="sourceLineNo">096</span> // Respond to list of namespace tables requests.<a name="line.96"></a>
<span class="sourceLineNo">097</span> if (queryTables) {<a name="line.97"></a>
<span class="sourceLineNo">098</span> TableListModel tableModel = new TableListModel();<a name="line.98"></a>
<span class="sourceLineNo">099</span> try {<a name="line.99"></a>
<span class="sourceLineNo">100</span> List&lt;TableDescriptor&gt; tables =<a name="line.100"></a>
<span class="sourceLineNo">101</span> servlet.getAdmin().listTableDescriptorsByNamespace(Bytes.toBytes(namespace));<a name="line.101"></a>
<span class="sourceLineNo">102</span> for (TableDescriptor table : tables) {<a name="line.102"></a>
<span class="sourceLineNo">103</span> tableModel.add(new TableModel(table.getTableName().getQualifierAsString()));<a name="line.103"></a>
<span class="sourceLineNo">104</span> }<a name="line.104"></a>
<span class="sourceLineNo">105</span><a name="line.105"></a>
<span class="sourceLineNo">106</span> servlet.getMetrics().incrementSucessfulGetRequests(1);<a name="line.106"></a>
<span class="sourceLineNo">107</span> return Response.ok(tableModel).build();<a name="line.107"></a>
<span class="sourceLineNo">108</span> } catch (IOException e) {<a name="line.108"></a>
<span class="sourceLineNo">109</span> servlet.getMetrics().incrementFailedGetRequests(1);<a name="line.109"></a>
<span class="sourceLineNo">110</span> throw new RuntimeException("Cannot retrieve table list for '" + namespace + "'.");<a name="line.110"></a>
<span class="sourceLineNo">111</span> }<a name="line.111"></a>
<span class="sourceLineNo">112</span> }<a name="line.112"></a>
<span class="sourceLineNo">113</span><a name="line.113"></a>
<span class="sourceLineNo">114</span> // Respond to namespace description requests.<a name="line.114"></a>
<span class="sourceLineNo">115</span> try {<a name="line.115"></a>
<span class="sourceLineNo">116</span> NamespacesInstanceModel rowModel = new NamespacesInstanceModel(servlet.getAdmin(), namespace);<a name="line.116"></a>
<span class="sourceLineNo">117</span> servlet.getMetrics().incrementSucessfulGetRequests(1);<a name="line.117"></a>
<span class="sourceLineNo">118</span> return Response.ok(rowModel).build();<a name="line.118"></a>
<span class="sourceLineNo">119</span> } catch (IOException e) {<a name="line.119"></a>
<span class="sourceLineNo">120</span> servlet.getMetrics().incrementFailedGetRequests(1);<a name="line.120"></a>
<span class="sourceLineNo">121</span> throw new RuntimeException("Cannot retrieve info for '" + namespace + "'.");<a name="line.121"></a>
<span class="sourceLineNo">122</span> }<a name="line.122"></a>
<span class="sourceLineNo">123</span> }<a name="line.123"></a>
<span class="sourceLineNo">124</span><a name="line.124"></a>
<span class="sourceLineNo">125</span> /**<a name="line.125"></a>
<span class="sourceLineNo">126</span> * Build a response for PUT alter namespace with properties specified.<a name="line.126"></a>
<span class="sourceLineNo">127</span> * @param model properties used for alter.<a name="line.127"></a>
<span class="sourceLineNo">128</span> * @param uriInfo (JAX-RS context variable) request URL<a name="line.128"></a>
<span class="sourceLineNo">129</span> * @return response code.<a name="line.129"></a>
<span class="sourceLineNo">130</span> */<a name="line.130"></a>
<span class="sourceLineNo">131</span> @PUT<a name="line.131"></a>
<span class="sourceLineNo">132</span> @Consumes({ MIMETYPE_XML, MIMETYPE_JSON, MIMETYPE_PROTOBUF, MIMETYPE_PROTOBUF_IETF })<a name="line.132"></a>
<span class="sourceLineNo">133</span> public Response put(final NamespacesInstanceModel model, final @Context UriInfo uriInfo) {<a name="line.133"></a>
<span class="sourceLineNo">134</span> return processUpdate(model, true, uriInfo);<a name="line.134"></a>
<span class="sourceLineNo">135</span> }<a name="line.135"></a>
<span class="sourceLineNo">136</span><a name="line.136"></a>
<span class="sourceLineNo">137</span> /**<a name="line.137"></a>
<span class="sourceLineNo">138</span> * Build a response for POST create namespace with properties specified.<a name="line.138"></a>
<span class="sourceLineNo">139</span> * @param model properties used for create.<a name="line.139"></a>
<span class="sourceLineNo">140</span> * @param uriInfo (JAX-RS context variable) request URL<a name="line.140"></a>
<span class="sourceLineNo">141</span> * @return response code.<a name="line.141"></a>
<span class="sourceLineNo">142</span> */<a name="line.142"></a>
<span class="sourceLineNo">143</span> @POST<a name="line.143"></a>
<span class="sourceLineNo">144</span> @Consumes({ MIMETYPE_XML, MIMETYPE_JSON, MIMETYPE_PROTOBUF, MIMETYPE_PROTOBUF_IETF })<a name="line.144"></a>
<span class="sourceLineNo">145</span> public Response post(final NamespacesInstanceModel model, final @Context UriInfo uriInfo) {<a name="line.145"></a>
<span class="sourceLineNo">146</span> return processUpdate(model, false, uriInfo);<a name="line.146"></a>
<span class="sourceLineNo">147</span> }<a name="line.147"></a>
<span class="sourceLineNo">148</span><a name="line.148"></a>
<span class="sourceLineNo">149</span> // Check that POST or PUT is valid and then update namespace.<a name="line.149"></a>
<span class="sourceLineNo">150</span> private Response processUpdate(NamespacesInstanceModel model, final boolean updateExisting,<a name="line.150"></a>
<span class="sourceLineNo">151</span> final UriInfo uriInfo) {<a name="line.151"></a>
<span class="sourceLineNo">152</span> if (LOG.isTraceEnabled()) {<a name="line.152"></a>
<span class="sourceLineNo">153</span> LOG.trace((updateExisting ? "PUT " : "POST ") + uriInfo.getAbsolutePath());<a name="line.153"></a>
<span class="sourceLineNo">154</span> }<a name="line.154"></a>
<span class="sourceLineNo">155</span> if (model == null) {<a name="line.155"></a>
<span class="sourceLineNo">156</span> try {<a name="line.156"></a>
<span class="sourceLineNo">157</span> model = new NamespacesInstanceModel(namespace);<a name="line.157"></a>
<span class="sourceLineNo">158</span> } catch (IOException ioe) {<a name="line.158"></a>
<span class="sourceLineNo">159</span> servlet.getMetrics().incrementFailedPutRequests(1);<a name="line.159"></a>
<span class="sourceLineNo">160</span> throw new RuntimeException("Cannot retrieve info for '" + namespace + "'.");<a name="line.160"></a>
<span class="sourceLineNo">161</span> }<a name="line.161"></a>
<span class="sourceLineNo">162</span> }<a name="line.162"></a>
<span class="sourceLineNo">163</span> servlet.getMetrics().incrementRequests(1);<a name="line.163"></a>
<span class="sourceLineNo">164</span><a name="line.164"></a>
<span class="sourceLineNo">165</span> if (servlet.isReadOnly()) {<a name="line.165"></a>
<span class="sourceLineNo">166</span> servlet.getMetrics().incrementFailedPutRequests(1);<a name="line.166"></a>
<span class="sourceLineNo">167</span> return Response.status(Response.Status.FORBIDDEN).type(MIMETYPE_TEXT)<a name="line.167"></a>
<span class="sourceLineNo">168</span> .entity("Forbidden" + CRLF).build();<a name="line.168"></a>
<span class="sourceLineNo">169</span> }<a name="line.169"></a>
<span class="sourceLineNo">170</span><a name="line.170"></a>
<span class="sourceLineNo">171</span> Admin admin = null;<a name="line.171"></a>
<span class="sourceLineNo">172</span> boolean namespaceExists = false;<a name="line.172"></a>
<span class="sourceLineNo">173</span> try {<a name="line.173"></a>
<span class="sourceLineNo">174</span> admin = servlet.getAdmin();<a name="line.174"></a>
<span class="sourceLineNo">175</span> namespaceExists = doesNamespaceExist(admin, namespace);<a name="line.175"></a>
<span class="sourceLineNo">176</span> } catch (IOException e) {<a name="line.176"></a>
<span class="sourceLineNo">177</span> servlet.getMetrics().incrementFailedPutRequests(1);<a name="line.177"></a>
<span class="sourceLineNo">178</span> return processException(e);<a name="line.178"></a>
<span class="sourceLineNo">179</span> }<a name="line.179"></a>
<span class="sourceLineNo">180</span><a name="line.180"></a>
<span class="sourceLineNo">181</span> // Do not allow creation if namespace already exists.<a name="line.181"></a>
<span class="sourceLineNo">182</span> if (!updateExisting &amp;&amp; namespaceExists) {<a name="line.182"></a>
<span class="sourceLineNo">183</span> servlet.getMetrics().incrementFailedPutRequests(1);<a name="line.183"></a>
<span class="sourceLineNo">184</span> return Response.status(Response.Status.FORBIDDEN).type(MIMETYPE_TEXT).entity("Namespace '"<a name="line.184"></a>
<span class="sourceLineNo">185</span> + namespace + "' already exists. Use REST PUT " + "to alter the existing namespace.")<a name="line.185"></a>
<span class="sourceLineNo">186</span> .build();<a name="line.186"></a>
<span class="sourceLineNo">187</span> }<a name="line.187"></a>
<span class="sourceLineNo">188</span><a name="line.188"></a>
<span class="sourceLineNo">189</span> // Do not allow altering if namespace does not exist.<a name="line.189"></a>
<span class="sourceLineNo">190</span> if (updateExisting &amp;&amp; !namespaceExists) {<a name="line.190"></a>
<span class="sourceLineNo">191</span> servlet.getMetrics().incrementFailedPutRequests(1);<a name="line.191"></a>
<span class="sourceLineNo">192</span> return Response.status(Response.Status.FORBIDDEN).type(MIMETYPE_TEXT).entity(<a name="line.192"></a>
<span class="sourceLineNo">193</span> "Namespace '" + namespace + "' does not exist. Use " + "REST POST to create the namespace.")<a name="line.193"></a>
<span class="sourceLineNo">194</span> .build();<a name="line.194"></a>
<span class="sourceLineNo">195</span> }<a name="line.195"></a>
<span class="sourceLineNo">196</span><a name="line.196"></a>
<span class="sourceLineNo">197</span> return createOrUpdate(model, uriInfo, admin, updateExisting);<a name="line.197"></a>
<span class="sourceLineNo">198</span> }<a name="line.198"></a>
<span class="sourceLineNo">199</span><a name="line.199"></a>
<span class="sourceLineNo">200</span> // Do the actual namespace create or alter.<a name="line.200"></a>
<span class="sourceLineNo">201</span> private Response createOrUpdate(final NamespacesInstanceModel model, final UriInfo uriInfo,<a name="line.201"></a>
<span class="sourceLineNo">202</span> final Admin admin, final boolean updateExisting) {<a name="line.202"></a>
<span class="sourceLineNo">203</span> NamespaceDescriptor.Builder builder = NamespaceDescriptor.create(namespace);<a name="line.203"></a>
<span class="sourceLineNo">204</span> builder.addConfiguration(model.getProperties());<a name="line.204"></a>
<span class="sourceLineNo">205</span> if (model.getProperties().size() &gt; 0) {<a name="line.205"></a>
<span class="sourceLineNo">206</span> builder.addConfiguration(model.getProperties());<a name="line.206"></a>
<span class="sourceLineNo">207</span> }<a name="line.207"></a>
<span class="sourceLineNo">208</span> NamespaceDescriptor nsd = builder.build();<a name="line.208"></a>
<span class="sourceLineNo">209</span><a name="line.209"></a>
<span class="sourceLineNo">210</span> try {<a name="line.210"></a>
<span class="sourceLineNo">211</span> if (updateExisting) {<a name="line.211"></a>
<span class="sourceLineNo">212</span> admin.modifyNamespace(nsd);<a name="line.212"></a>
<span class="sourceLineNo">213</span> } else {<a name="line.213"></a>
<span class="sourceLineNo">214</span> admin.createNamespace(nsd);<a name="line.214"></a>
<span class="sourceLineNo">215</span> }<a name="line.215"></a>
<span class="sourceLineNo">216</span> } catch (IOException e) {<a name="line.216"></a>
<span class="sourceLineNo">217</span> servlet.getMetrics().incrementFailedPutRequests(1);<a name="line.217"></a>
<span class="sourceLineNo">218</span> return processException(e);<a name="line.218"></a>
<span class="sourceLineNo">219</span> }<a name="line.219"></a>
<span class="sourceLineNo">220</span><a name="line.220"></a>
<span class="sourceLineNo">221</span> servlet.getMetrics().incrementSucessfulPutRequests(1);<a name="line.221"></a>
<span class="sourceLineNo">222</span><a name="line.222"></a>
<span class="sourceLineNo">223</span> return updateExisting<a name="line.223"></a>
<span class="sourceLineNo">224</span> ? Response.ok(uriInfo.getAbsolutePath()).build()<a name="line.224"></a>
<span class="sourceLineNo">225</span> : Response.created(uriInfo.getAbsolutePath()).build();<a name="line.225"></a>
<span class="sourceLineNo">226</span> }<a name="line.226"></a>
<span class="sourceLineNo">227</span><a name="line.227"></a>
<span class="sourceLineNo">228</span> private boolean doesNamespaceExist(Admin admin, String namespaceName) throws IOException {<a name="line.228"></a>
<span class="sourceLineNo">229</span> NamespaceDescriptor[] nd = admin.listNamespaceDescriptors();<a name="line.229"></a>
<span class="sourceLineNo">230</span> for (int i = 0; i &lt; nd.length; i++) {<a name="line.230"></a>
<span class="sourceLineNo">231</span> if (nd[i].getName().equals(namespaceName)) {<a name="line.231"></a>
<span class="sourceLineNo">232</span> return true;<a name="line.232"></a>
<span class="sourceLineNo">233</span> }<a name="line.233"></a>
<span class="sourceLineNo">234</span> }<a name="line.234"></a>
<span class="sourceLineNo">235</span> return false;<a name="line.235"></a>
<span class="sourceLineNo">236</span> }<a name="line.236"></a>
<span class="sourceLineNo">237</span><a name="line.237"></a>
<span class="sourceLineNo">238</span> /**<a name="line.238"></a>
<span class="sourceLineNo">239</span> * Build a response for DELETE delete namespace.<a name="line.239"></a>
<span class="sourceLineNo">240</span> * @param message value not used.<a name="line.240"></a>
<span class="sourceLineNo">241</span> * @param headers value not used.<a name="line.241"></a>
<span class="sourceLineNo">242</span> * @return response code.<a name="line.242"></a>
<span class="sourceLineNo">243</span> */<a name="line.243"></a>
<span class="sourceLineNo">244</span> @DELETE<a name="line.244"></a>
<span class="sourceLineNo">245</span> public Response deleteNoBody(final byte[] message, final @Context UriInfo uriInfo,<a name="line.245"></a>
<span class="sourceLineNo">246</span> final @Context HttpHeaders headers) {<a name="line.246"></a>
<span class="sourceLineNo">247</span> if (LOG.isTraceEnabled()) {<a name="line.247"></a>
<span class="sourceLineNo">248</span> LOG.trace("DELETE " + uriInfo.getAbsolutePath());<a name="line.248"></a>
<span class="sourceLineNo">249</span> }<a name="line.249"></a>
<span class="sourceLineNo">250</span> if (servlet.isReadOnly()) {<a name="line.250"></a>
<span class="sourceLineNo">251</span> servlet.getMetrics().incrementFailedDeleteRequests(1);<a name="line.251"></a>
<span class="sourceLineNo">252</span> return Response.status(Response.Status.FORBIDDEN).type(MIMETYPE_TEXT)<a name="line.252"></a>
<span class="sourceLineNo">253</span> .entity("Forbidden" + CRLF).build();<a name="line.253"></a>
<span class="sourceLineNo">254</span> }<a name="line.254"></a>
<span class="sourceLineNo">255</span><a name="line.255"></a>
<span class="sourceLineNo">256</span> try {<a name="line.256"></a>
<span class="sourceLineNo">257</span> Admin admin = servlet.getAdmin();<a name="line.257"></a>
<span class="sourceLineNo">258</span> if (!doesNamespaceExist(admin, namespace)) {<a name="line.258"></a>
<span class="sourceLineNo">259</span> return Response.status(Response.Status.NOT_FOUND).type(MIMETYPE_TEXT)<a name="line.259"></a>
<span class="sourceLineNo">260</span> .entity("Namespace '" + namespace + "' does not exists. Cannot " + "drop namespace.")<a name="line.260"></a>
<span class="sourceLineNo">261</span> .build();<a name="line.261"></a>
<span class="sourceLineNo">262</span> }<a name="line.262"></a>
<span class="sourceLineNo">263</span><a name="line.263"></a>
<span class="sourceLineNo">264</span> admin.deleteNamespace(namespace);<a name="line.264"></a>
<span class="sourceLineNo">265</span> servlet.getMetrics().incrementSucessfulDeleteRequests(1);<a name="line.265"></a>
<span class="sourceLineNo">266</span> return Response.ok().build();<a name="line.266"></a>
<span class="sourceLineNo">267</span><a name="line.267"></a>
<span class="sourceLineNo">268</span> } catch (IOException e) {<a name="line.268"></a>
<span class="sourceLineNo">269</span> servlet.getMetrics().incrementFailedDeleteRequests(1);<a name="line.269"></a>
<span class="sourceLineNo">270</span> return processException(e);<a name="line.270"></a>
<span class="sourceLineNo">271</span> }<a name="line.271"></a>
<span class="sourceLineNo">272</span> }<a name="line.272"></a>
<span class="sourceLineNo">273</span><a name="line.273"></a>
<span class="sourceLineNo">274</span> /**<a name="line.274"></a>
<span class="sourceLineNo">275</span> * Dispatch to NamespaceInstanceResource for getting list of tables.<a name="line.275"></a>
<span class="sourceLineNo">276</span> */<a name="line.276"></a>
<span class="sourceLineNo">277</span> @Path("tables")<a name="line.277"></a>
<span class="sourceLineNo">278</span> public NamespacesInstanceResource<a name="line.278"></a>
<span class="sourceLineNo">279</span> getNamespaceInstanceResource(final @PathParam("tables") String namespace) throws IOException {<a name="line.279"></a>
<span class="sourceLineNo">280</span> return new NamespacesInstanceResource(this.namespace, true);<a name="line.280"></a>
<span class="sourceLineNo">281</span> }<a name="line.281"></a>
<span class="sourceLineNo">282</span>}<a name="line.282"></a>
</pre>
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