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<pre><span class="sourceLineNo">001</span>package org.apache.archiva.rss.processor;<a name="line.1"></a>
<span class="sourceLineNo">002</span><a name="line.2"></a>
<span class="sourceLineNo">003</span>/*<a name="line.3"></a>
<span class="sourceLineNo">004</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.4"></a>
<span class="sourceLineNo">005</span> * or more contributor license agreements. See the NOTICE file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * distributed with this work for additional information<a name="line.6"></a>
<span class="sourceLineNo">007</span> * regarding copyright ownership. The ASF licenses this file<a name="line.7"></a>
<span class="sourceLineNo">008</span> * to you under the Apache License, Version 2.0 (the<a name="line.8"></a>
<span class="sourceLineNo">009</span> * "License"); you may not use this file except in compliance<a name="line.9"></a>
<span class="sourceLineNo">010</span> * with the License. You may obtain a copy of the License at<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * Unless required by applicable law or agreed to in writing,<a name="line.14"></a>
<span class="sourceLineNo">015</span> * software distributed under the License is distributed on an<a name="line.15"></a>
<span class="sourceLineNo">016</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.16"></a>
<span class="sourceLineNo">017</span> * KIND, either express or implied. See the License for the<a name="line.17"></a>
<span class="sourceLineNo">018</span> * specific language governing permissions and limitations<a name="line.18"></a>
<span class="sourceLineNo">019</span> * under the License.<a name="line.19"></a>
<span class="sourceLineNo">020</span> */<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span>import com.sun.syndication.feed.synd.SyndFeed;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import com.sun.syndication.io.FeedException;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.apache.archiva.metadata.model.ArtifactMetadata;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.archiva.metadata.repository.MetadataRepository;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.archiva.metadata.repository.MetadataRepositoryException;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.archiva.metadata.repository.MetadataResolutionException;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.archiva.rss.RssFeedEntry;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.archiva.rss.RssFeedGenerator;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.slf4j.Logger;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.slf4j.LoggerFactory;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.springframework.stereotype.Service;<a name="line.32"></a>
<span class="sourceLineNo">033</span><a name="line.33"></a>
<span class="sourceLineNo">034</span>import javax.inject.Inject;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import java.util.ArrayList;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import java.util.Collection;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import java.util.Date;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import java.util.List;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import java.util.Map;<a name="line.39"></a>
<span class="sourceLineNo">040</span><a name="line.40"></a>
<span class="sourceLineNo">041</span>/**<a name="line.41"></a>
<span class="sourceLineNo">042</span> * Retrieve and process new versions of an artifact from the database and<a name="line.42"></a>
<span class="sourceLineNo">043</span> * generate a rss feed. The versions will be grouped by the date when the artifact<a name="line.43"></a>
<span class="sourceLineNo">044</span> * was gathered. Each group will appear as one entry in the feed.<a name="line.44"></a>
<span class="sourceLineNo">045</span> *<a name="line.45"></a>
<span class="sourceLineNo">046</span> */<a name="line.46"></a>
<span class="sourceLineNo">047</span>@Service("rssFeedProcessor#new-versions")<a name="line.47"></a>
<span class="sourceLineNo">048</span>public class NewVersionsOfArtifactRssFeedProcessor<a name="line.48"></a>
<span class="sourceLineNo">049</span> extends AbstractArtifactsRssFeedProcessor<a name="line.49"></a>
<span class="sourceLineNo">050</span>{<a name="line.50"></a>
<span class="sourceLineNo">051</span> private Logger log = LoggerFactory.getLogger( NewVersionsOfArtifactRssFeedProcessor.class );<a name="line.51"></a>
<span class="sourceLineNo">052</span><a name="line.52"></a>
<span class="sourceLineNo">053</span> private static final String title = "New Versions of Artifact ";<a name="line.53"></a>
<span class="sourceLineNo">054</span><a name="line.54"></a>
<span class="sourceLineNo">055</span> private static final String desc = "These are the new versions of artifact ";<a name="line.55"></a>
<span class="sourceLineNo">056</span><a name="line.56"></a>
<span class="sourceLineNo">057</span> @Inject<a name="line.57"></a>
<span class="sourceLineNo">058</span> private RssFeedGenerator generator;<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span> /**<a name="line.60"></a>
<span class="sourceLineNo">061</span> * Process all versions of the artifact which had a rss feed request.<a name="line.61"></a>
<span class="sourceLineNo">062</span> */<a name="line.62"></a>
<span class="sourceLineNo">063</span> @Override<a name="line.63"></a>
<span class="sourceLineNo">064</span> public SyndFeed process( Map&lt;String, String&gt; reqParams, MetadataRepository metadataRepository )<a name="line.64"></a>
<span class="sourceLineNo">065</span> throws FeedException<a name="line.65"></a>
<span class="sourceLineNo">066</span> {<a name="line.66"></a>
<span class="sourceLineNo">067</span> String groupId = reqParams.get( RssFeedProcessor.KEY_GROUP_ID );<a name="line.67"></a>
<span class="sourceLineNo">068</span> String artifactId = reqParams.get( RssFeedProcessor.KEY_ARTIFACT_ID );<a name="line.68"></a>
<span class="sourceLineNo">069</span><a name="line.69"></a>
<span class="sourceLineNo">070</span> if ( groupId != null &amp;&amp; artifactId != null )<a name="line.70"></a>
<span class="sourceLineNo">071</span> {<a name="line.71"></a>
<span class="sourceLineNo">072</span> return processNewVersionsOfArtifact( groupId, artifactId, metadataRepository );<a name="line.72"></a>
<span class="sourceLineNo">073</span> }<a name="line.73"></a>
<span class="sourceLineNo">074</span><a name="line.74"></a>
<span class="sourceLineNo">075</span> return null;<a name="line.75"></a>
<span class="sourceLineNo">076</span> }<a name="line.76"></a>
<span class="sourceLineNo">077</span><a name="line.77"></a>
<span class="sourceLineNo">078</span> private SyndFeed processNewVersionsOfArtifact( String groupId, String artifactId,<a name="line.78"></a>
<span class="sourceLineNo">079</span> MetadataRepository metadataRepository )<a name="line.79"></a>
<span class="sourceLineNo">080</span> throws FeedException<a name="line.80"></a>
<span class="sourceLineNo">081</span> {<a name="line.81"></a>
<span class="sourceLineNo">082</span> List&lt;ArtifactMetadata&gt; artifacts = new ArrayList&lt;&gt;();<a name="line.82"></a>
<span class="sourceLineNo">083</span> try<a name="line.83"></a>
<span class="sourceLineNo">084</span> {<a name="line.84"></a>
<span class="sourceLineNo">085</span> for ( String repoId : metadataRepository.getRepositories() )<a name="line.85"></a>
<span class="sourceLineNo">086</span> {<a name="line.86"></a>
<span class="sourceLineNo">087</span> Collection&lt;String&gt; versions = metadataRepository.getProjectVersions( repoId, groupId, artifactId );<a name="line.87"></a>
<span class="sourceLineNo">088</span> for ( String version : versions )<a name="line.88"></a>
<span class="sourceLineNo">089</span> {<a name="line.89"></a>
<span class="sourceLineNo">090</span> artifacts.addAll( metadataRepository.getArtifacts( repoId, groupId, artifactId, version ) );<a name="line.90"></a>
<span class="sourceLineNo">091</span> }<a name="line.91"></a>
<span class="sourceLineNo">092</span> }<a name="line.92"></a>
<span class="sourceLineNo">093</span> }<a name="line.93"></a>
<span class="sourceLineNo">094</span> catch ( MetadataRepositoryException e )<a name="line.94"></a>
<span class="sourceLineNo">095</span> {<a name="line.95"></a>
<span class="sourceLineNo">096</span> throw new FeedException( "Unable to construct feed, metadata could not be retrieved: " + e.getMessage(),<a name="line.96"></a>
<span class="sourceLineNo">097</span> e );<a name="line.97"></a>
<span class="sourceLineNo">098</span> }<a name="line.98"></a>
<span class="sourceLineNo">099</span> catch ( MetadataResolutionException e )<a name="line.99"></a>
<span class="sourceLineNo">100</span> {<a name="line.100"></a>
<span class="sourceLineNo">101</span> throw new FeedException( "Unable to construct feed, metadata could not be retrieved: " + e.getMessage(),<a name="line.101"></a>
<span class="sourceLineNo">102</span> e );<a name="line.102"></a>
<span class="sourceLineNo">103</span> }<a name="line.103"></a>
<span class="sourceLineNo">104</span><a name="line.104"></a>
<span class="sourceLineNo">105</span> long tmp = 0;<a name="line.105"></a>
<span class="sourceLineNo">106</span> RssFeedEntry entry = null;<a name="line.106"></a>
<span class="sourceLineNo">107</span> List&lt;RssFeedEntry&gt; entries = new ArrayList&lt;&gt;();<a name="line.107"></a>
<span class="sourceLineNo">108</span> String description = "";<a name="line.108"></a>
<span class="sourceLineNo">109</span> int idx = 0;<a name="line.109"></a>
<span class="sourceLineNo">110</span> for ( ArtifactMetadata artifact : artifacts )<a name="line.110"></a>
<span class="sourceLineNo">111</span> {<a name="line.111"></a>
<span class="sourceLineNo">112</span> long whenGathered = artifact.getWhenGathered().getTime();<a name="line.112"></a>
<span class="sourceLineNo">113</span><a name="line.113"></a>
<span class="sourceLineNo">114</span> if ( tmp != whenGathered )<a name="line.114"></a>
<span class="sourceLineNo">115</span> {<a name="line.115"></a>
<span class="sourceLineNo">116</span> if ( entry != null )<a name="line.116"></a>
<span class="sourceLineNo">117</span> {<a name="line.117"></a>
<span class="sourceLineNo">118</span> entry.setDescription( description );<a name="line.118"></a>
<span class="sourceLineNo">119</span> entries.add( entry );<a name="line.119"></a>
<span class="sourceLineNo">120</span> entry = null;<a name="line.120"></a>
<span class="sourceLineNo">121</span> }<a name="line.121"></a>
<span class="sourceLineNo">122</span><a name="line.122"></a>
<span class="sourceLineNo">123</span> entry = new RssFeedEntry(<a name="line.123"></a>
<span class="sourceLineNo">124</span> this.getTitle() + "\'" + groupId + ":" + artifactId + "\'" + " as of " + new Date( whenGathered ) );<a name="line.124"></a>
<span class="sourceLineNo">125</span> entry.setPublishedDate( artifact.getWhenGathered() );<a name="line.125"></a>
<span class="sourceLineNo">126</span> description =<a name="line.126"></a>
<span class="sourceLineNo">127</span> this.getDescription() + "\'" + groupId + ":" + artifactId + "\'" + ": \n" + artifact.getId() +<a name="line.127"></a>
<span class="sourceLineNo">128</span> " | ";<a name="line.128"></a>
<span class="sourceLineNo">129</span> }<a name="line.129"></a>
<span class="sourceLineNo">130</span> else<a name="line.130"></a>
<span class="sourceLineNo">131</span> {<a name="line.131"></a>
<span class="sourceLineNo">132</span> description = description + artifact.getId() + " | ";<a name="line.132"></a>
<span class="sourceLineNo">133</span> }<a name="line.133"></a>
<span class="sourceLineNo">134</span><a name="line.134"></a>
<span class="sourceLineNo">135</span> if ( idx == ( artifacts.size() - 1 ) )<a name="line.135"></a>
<span class="sourceLineNo">136</span> {<a name="line.136"></a>
<span class="sourceLineNo">137</span> entry.setDescription( description );<a name="line.137"></a>
<span class="sourceLineNo">138</span> entries.add( entry );<a name="line.138"></a>
<span class="sourceLineNo">139</span> }<a name="line.139"></a>
<span class="sourceLineNo">140</span><a name="line.140"></a>
<span class="sourceLineNo">141</span> tmp = whenGathered;<a name="line.141"></a>
<span class="sourceLineNo">142</span> idx++;<a name="line.142"></a>
<span class="sourceLineNo">143</span> }<a name="line.143"></a>
<span class="sourceLineNo">144</span><a name="line.144"></a>
<span class="sourceLineNo">145</span> String key = groupId + ":" + artifactId;<a name="line.145"></a>
<span class="sourceLineNo">146</span><a name="line.146"></a>
<span class="sourceLineNo">147</span> return generator.generateFeed( getTitle() + "\'" + key + "\'",<a name="line.147"></a>
<span class="sourceLineNo">148</span> "New versions of artifact " + "\'" + key + "\' found during repository scan.",<a name="line.148"></a>
<span class="sourceLineNo">149</span> entries );<a name="line.149"></a>
<span class="sourceLineNo">150</span> }<a name="line.150"></a>
<span class="sourceLineNo">151</span><a name="line.151"></a>
<span class="sourceLineNo">152</span> @Override<a name="line.152"></a>
<span class="sourceLineNo">153</span> public String getTitle()<a name="line.153"></a>
<span class="sourceLineNo">154</span> {<a name="line.154"></a>
<span class="sourceLineNo">155</span> return title;<a name="line.155"></a>
<span class="sourceLineNo">156</span> }<a name="line.156"></a>
<span class="sourceLineNo">157</span><a name="line.157"></a>
<span class="sourceLineNo">158</span> @Override<a name="line.158"></a>
<span class="sourceLineNo">159</span> public String getDescription()<a name="line.159"></a>
<span class="sourceLineNo">160</span> {<a name="line.160"></a>
<span class="sourceLineNo">161</span> return desc;<a name="line.161"></a>
<span class="sourceLineNo">162</span> }<a name="line.162"></a>
<span class="sourceLineNo">163</span><a name="line.163"></a>
<span class="sourceLineNo">164</span> public RssFeedGenerator getGenerator()<a name="line.164"></a>
<span class="sourceLineNo">165</span> {<a name="line.165"></a>
<span class="sourceLineNo">166</span> return generator;<a name="line.166"></a>
<span class="sourceLineNo">167</span> }<a name="line.167"></a>
<span class="sourceLineNo">168</span><a name="line.168"></a>
<span class="sourceLineNo">169</span> public void setGenerator( RssFeedGenerator generator )<a name="line.169"></a>
<span class="sourceLineNo">170</span> {<a name="line.170"></a>
<span class="sourceLineNo">171</span> this.generator = generator;<a name="line.171"></a>
<span class="sourceLineNo">172</span> }<a name="line.172"></a>
<span class="sourceLineNo">173</span>}<a name="line.173"></a>
</pre>
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