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


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