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<pre><span class="sourceLineNo">001</span>package org.apache.archiva.repository.metadata;<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 java.util.ArrayList;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.util.List;<a name="line.23"></a>
<span class="sourceLineNo">024</span><a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.commons.lang.StringUtils;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.archiva.model.ArchivaModelCloner;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.archiva.model.ArchivaRepositoryMetadata;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.archiva.model.Plugin;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.archiva.model.SnapshotVersion;<a name="line.29"></a>
<span class="sourceLineNo">030</span><a name="line.30"></a>
<span class="sourceLineNo">031</span>/**<a name="line.31"></a>
<span class="sourceLineNo">032</span> * RepositoryMetadataMerge <a name="line.32"></a>
<span class="sourceLineNo">033</span> *<a name="line.33"></a>
<span class="sourceLineNo">034</span> *<a name="line.34"></a>
<span class="sourceLineNo">035</span> */<a name="line.35"></a>
<span class="sourceLineNo">036</span>public class RepositoryMetadataMerge<a name="line.36"></a>
<span class="sourceLineNo">037</span>{<a name="line.37"></a>
<span class="sourceLineNo">038</span> public static ArchivaRepositoryMetadata merge( final ArchivaRepositoryMetadata mainMetadata,<a name="line.38"></a>
<span class="sourceLineNo">039</span> final ArchivaRepositoryMetadata sourceMetadata )<a name="line.39"></a>
<span class="sourceLineNo">040</span> throws RepositoryMetadataException<a name="line.40"></a>
<span class="sourceLineNo">041</span> {<a name="line.41"></a>
<span class="sourceLineNo">042</span> if ( mainMetadata == null )<a name="line.42"></a>
<span class="sourceLineNo">043</span> {<a name="line.43"></a>
<span class="sourceLineNo">044</span> throw new RepositoryMetadataException( "Cannot merge a null main project." );<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> if ( sourceMetadata == null )<a name="line.47"></a>
<span class="sourceLineNo">048</span> {<a name="line.48"></a>
<span class="sourceLineNo">049</span> throw new RepositoryMetadataException( "Cannot copy to a null parent project." );<a name="line.49"></a>
<span class="sourceLineNo">050</span> }<a name="line.50"></a>
<span class="sourceLineNo">051</span><a name="line.51"></a>
<span class="sourceLineNo">052</span> ArchivaRepositoryMetadata merged = new ArchivaRepositoryMetadata();<a name="line.52"></a>
<span class="sourceLineNo">053</span><a name="line.53"></a>
<span class="sourceLineNo">054</span> merged.setGroupId( merge( mainMetadata.getGroupId(), sourceMetadata.getGroupId() ) );<a name="line.54"></a>
<span class="sourceLineNo">055</span> merged.setArtifactId( merge(mainMetadata.getArtifactId(), sourceMetadata.getArtifactId()));<a name="line.55"></a>
<span class="sourceLineNo">056</span> merged.setVersion( merge(mainMetadata.getVersion(), sourceMetadata.getVersion()) );<a name="line.56"></a>
<span class="sourceLineNo">057</span> merged.setReleasedVersion( merge( mainMetadata.getReleasedVersion(), sourceMetadata.getReleasedVersion() ) );<a name="line.57"></a>
<span class="sourceLineNo">058</span> merged.setSnapshotVersion( merge( mainMetadata.getSnapshotVersion(), sourceMetadata.getSnapshotVersion() ) );<a name="line.58"></a>
<span class="sourceLineNo">059</span> merged.setAvailableVersions( mergeAvailableVersions( mainMetadata.getAvailableVersions(), sourceMetadata.getAvailableVersions() ) );<a name="line.59"></a>
<span class="sourceLineNo">060</span> merged.setPlugins( mergePlugins( mainMetadata.getPlugins(), sourceMetadata.getPlugins() ) );<a name="line.60"></a>
<span class="sourceLineNo">061</span> <a name="line.61"></a>
<span class="sourceLineNo">062</span> //Don't set if merge was not possible<a name="line.62"></a>
<span class="sourceLineNo">063</span> long lastUpdated = mergeTimestamp( mainMetadata.getLastUpdated(), sourceMetadata.getLastUpdated());<a name="line.63"></a>
<span class="sourceLineNo">064</span> if (lastUpdated &gt; -1)<a name="line.64"></a>
<span class="sourceLineNo">065</span> {<a name="line.65"></a>
<span class="sourceLineNo">066</span> merged.setLastUpdated( Long.toString(lastUpdated) );<a name="line.66"></a>
<span class="sourceLineNo">067</span> }<a name="line.67"></a>
<span class="sourceLineNo">068</span> <a name="line.68"></a>
<span class="sourceLineNo">069</span> return merged;<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> private static boolean empty( String val )<a name="line.72"></a>
<span class="sourceLineNo">073</span> {<a name="line.73"></a>
<span class="sourceLineNo">074</span> if ( val == null )<a name="line.74"></a>
<span class="sourceLineNo">075</span> {<a name="line.75"></a>
<span class="sourceLineNo">076</span> return true;<a name="line.76"></a>
<span class="sourceLineNo">077</span> }<a name="line.77"></a>
<span class="sourceLineNo">078</span><a name="line.78"></a>
<span class="sourceLineNo">079</span> return ( val.trim().length() &lt;= 0 );<a name="line.79"></a>
<span class="sourceLineNo">080</span> }<a name="line.80"></a>
<span class="sourceLineNo">081</span> <a name="line.81"></a>
<span class="sourceLineNo">082</span> private static long mergeTimestamp(String mainTimestamp, String sourceTimestamp)<a name="line.82"></a>
<span class="sourceLineNo">083</span> {<a name="line.83"></a>
<span class="sourceLineNo">084</span> if (sourceTimestamp == null &amp;&amp; mainTimestamp != null)<a name="line.84"></a>
<span class="sourceLineNo">085</span> {<a name="line.85"></a>
<span class="sourceLineNo">086</span> return convertTimestampToLong(mainTimestamp);<a name="line.86"></a>
<span class="sourceLineNo">087</span> }<a name="line.87"></a>
<span class="sourceLineNo">088</span> <a name="line.88"></a>
<span class="sourceLineNo">089</span> if (mainTimestamp == null &amp;&amp; sourceTimestamp != null)<a name="line.89"></a>
<span class="sourceLineNo">090</span> {<a name="line.90"></a>
<span class="sourceLineNo">091</span> return convertTimestampToLong(sourceTimestamp);<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> if (sourceTimestamp == null &amp;&amp; mainTimestamp == null)<a name="line.94"></a>
<span class="sourceLineNo">095</span> {<a name="line.95"></a>
<span class="sourceLineNo">096</span> return -1;<a name="line.96"></a>
<span class="sourceLineNo">097</span> }<a name="line.97"></a>
<span class="sourceLineNo">098</span> <a name="line.98"></a>
<span class="sourceLineNo">099</span> return mergeTimestamp(convertTimestampToLong(mainTimestamp), convertTimestampToLong(sourceTimestamp));<a name="line.99"></a>
<span class="sourceLineNo">100</span> }<a name="line.100"></a>
<span class="sourceLineNo">101</span> <a name="line.101"></a>
<span class="sourceLineNo">102</span> private static long mergeTimestamp(long mainTimestamp, long sourceTimestamp)<a name="line.102"></a>
<span class="sourceLineNo">103</span> { <a name="line.103"></a>
<span class="sourceLineNo">104</span> return Math.max( mainTimestamp, sourceTimestamp );<a name="line.104"></a>
<span class="sourceLineNo">105</span> }<a name="line.105"></a>
<span class="sourceLineNo">106</span><a name="line.106"></a>
<span class="sourceLineNo">107</span> private static SnapshotVersion merge( SnapshotVersion mainSnapshotVersion, SnapshotVersion sourceSnapshotVersion )<a name="line.107"></a>
<span class="sourceLineNo">108</span> {<a name="line.108"></a>
<span class="sourceLineNo">109</span> if ( sourceSnapshotVersion == null )<a name="line.109"></a>
<span class="sourceLineNo">110</span> {<a name="line.110"></a>
<span class="sourceLineNo">111</span> return mainSnapshotVersion;<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> if ( mainSnapshotVersion == null )<a name="line.114"></a>
<span class="sourceLineNo">115</span> {<a name="line.115"></a>
<span class="sourceLineNo">116</span> return ArchivaModelCloner.clone( sourceSnapshotVersion );<a name="line.116"></a>
<span class="sourceLineNo">117</span> }<a name="line.117"></a>
<span class="sourceLineNo">118</span><a name="line.118"></a>
<span class="sourceLineNo">119</span> SnapshotVersion merged = new SnapshotVersion();<a name="line.119"></a>
<span class="sourceLineNo">120</span> <a name="line.120"></a>
<span class="sourceLineNo">121</span> long mainSnapshotLastUpdated = convertTimestampToLong(mainSnapshotVersion.getTimestamp());<a name="line.121"></a>
<span class="sourceLineNo">122</span> long sourceSnapshotLastUpdated = convertTimestampToLong(sourceSnapshotVersion.getTimestamp());<a name="line.122"></a>
<span class="sourceLineNo">123</span> <a name="line.123"></a>
<span class="sourceLineNo">124</span> long lastUpdated = mergeTimestamp(mainSnapshotLastUpdated, sourceSnapshotLastUpdated);<a name="line.124"></a>
<span class="sourceLineNo">125</span> <a name="line.125"></a>
<span class="sourceLineNo">126</span> if (lastUpdated == mainSnapshotLastUpdated)<a name="line.126"></a>
<span class="sourceLineNo">127</span> {<a name="line.127"></a>
<span class="sourceLineNo">128</span> merged.setTimestamp(mainSnapshotVersion.getTimestamp());<a name="line.128"></a>
<span class="sourceLineNo">129</span> merged.setBuildNumber(mainSnapshotVersion.getBuildNumber());<a name="line.129"></a>
<span class="sourceLineNo">130</span> }<a name="line.130"></a>
<span class="sourceLineNo">131</span> else<a name="line.131"></a>
<span class="sourceLineNo">132</span> {<a name="line.132"></a>
<span class="sourceLineNo">133</span> merged.setTimestamp(sourceSnapshotVersion.getTimestamp());<a name="line.133"></a>
<span class="sourceLineNo">134</span> merged.setBuildNumber(sourceSnapshotVersion.getBuildNumber());<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> return merged;<a name="line.137"></a>
<span class="sourceLineNo">138</span> }<a name="line.138"></a>
<span class="sourceLineNo">139</span> <a name="line.139"></a>
<span class="sourceLineNo">140</span> private static long convertTimestampToLong(String timestamp)<a name="line.140"></a>
<span class="sourceLineNo">141</span> {<a name="line.141"></a>
<span class="sourceLineNo">142</span> if (timestamp == null)<a name="line.142"></a>
<span class="sourceLineNo">143</span> {<a name="line.143"></a>
<span class="sourceLineNo">144</span> return -1;<a name="line.144"></a>
<span class="sourceLineNo">145</span> }<a name="line.145"></a>
<span class="sourceLineNo">146</span> <a name="line.146"></a>
<span class="sourceLineNo">147</span> return getLongFromTimestampSafely(StringUtils.replace(timestamp, ".", ""));<a name="line.147"></a>
<span class="sourceLineNo">148</span> }<a name="line.148"></a>
<span class="sourceLineNo">149</span> <a name="line.149"></a>
<span class="sourceLineNo">150</span> private static long getLongFromTimestampSafely( String timestampString )<a name="line.150"></a>
<span class="sourceLineNo">151</span> {<a name="line.151"></a>
<span class="sourceLineNo">152</span> try<a name="line.152"></a>
<span class="sourceLineNo">153</span> {<a name="line.153"></a>
<span class="sourceLineNo">154</span> return Long.parseLong(timestampString);<a name="line.154"></a>
<span class="sourceLineNo">155</span> }<a name="line.155"></a>
<span class="sourceLineNo">156</span> catch (NumberFormatException e)<a name="line.156"></a>
<span class="sourceLineNo">157</span> {<a name="line.157"></a>
<span class="sourceLineNo">158</span> return -1;<a name="line.158"></a>
<span class="sourceLineNo">159</span> }<a name="line.159"></a>
<span class="sourceLineNo">160</span> }<a name="line.160"></a>
<span class="sourceLineNo">161</span><a name="line.161"></a>
<span class="sourceLineNo">162</span> private static String merge( String main, String source )<a name="line.162"></a>
<span class="sourceLineNo">163</span> {<a name="line.163"></a>
<span class="sourceLineNo">164</span> if ( empty( main ) &amp;&amp; !empty( source ) )<a name="line.164"></a>
<span class="sourceLineNo">165</span> {<a name="line.165"></a>
<span class="sourceLineNo">166</span> return source;<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> return main;<a name="line.169"></a>
<span class="sourceLineNo">170</span> }<a name="line.170"></a>
<span class="sourceLineNo">171</span> <a name="line.171"></a>
<span class="sourceLineNo">172</span> private static List&lt;Plugin&gt; mergePlugins(List&lt;Plugin&gt; mainPlugins, List&lt;Plugin&gt; sourcePlugins)<a name="line.172"></a>
<span class="sourceLineNo">173</span> {<a name="line.173"></a>
<span class="sourceLineNo">174</span> if ( sourcePlugins == null )<a name="line.174"></a>
<span class="sourceLineNo">175</span> {<a name="line.175"></a>
<span class="sourceLineNo">176</span> return mainPlugins;<a name="line.176"></a>
<span class="sourceLineNo">177</span> }<a name="line.177"></a>
<span class="sourceLineNo">178</span> <a name="line.178"></a>
<span class="sourceLineNo">179</span> if ( mainPlugins == null )<a name="line.179"></a>
<span class="sourceLineNo">180</span> {<a name="line.180"></a>
<span class="sourceLineNo">181</span> return clonePlugins( sourcePlugins );<a name="line.181"></a>
<span class="sourceLineNo">182</span> }<a name="line.182"></a>
<span class="sourceLineNo">183</span> <a name="line.183"></a>
<span class="sourceLineNo">184</span> List&lt;Plugin&gt; merged = clonePlugins( mainPlugins );<a name="line.184"></a>
<span class="sourceLineNo">185</span> <a name="line.185"></a>
<span class="sourceLineNo">186</span> for ( Plugin plugin : sourcePlugins )<a name="line.186"></a>
<span class="sourceLineNo">187</span> {<a name="line.187"></a>
<span class="sourceLineNo">188</span> if ( !merged.contains( plugin ) )<a name="line.188"></a>
<span class="sourceLineNo">189</span> {<a name="line.189"></a>
<span class="sourceLineNo">190</span> merged.add( plugin );<a name="line.190"></a>
<span class="sourceLineNo">191</span> }<a name="line.191"></a>
<span class="sourceLineNo">192</span> }<a name="line.192"></a>
<span class="sourceLineNo">193</span><a name="line.193"></a>
<span class="sourceLineNo">194</span> return merged;<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> /**<a name="line.197"></a>
<span class="sourceLineNo">198</span> * Clones a list of plugins.<a name="line.198"></a>
<span class="sourceLineNo">199</span> * <a name="line.199"></a>
<span class="sourceLineNo">200</span> * This method exists because ArchivaModelCloner.clonePlugins() <a name="line.200"></a>
<span class="sourceLineNo">201</span> * only works with artifact references.<a name="line.201"></a>
<span class="sourceLineNo">202</span> * <a name="line.202"></a>
<span class="sourceLineNo">203</span> * @param plugins<a name="line.203"></a>
<span class="sourceLineNo">204</span> * @return list of cloned plugins<a name="line.204"></a>
<span class="sourceLineNo">205</span> */<a name="line.205"></a>
<span class="sourceLineNo">206</span> private static List&lt;Plugin&gt; clonePlugins(List&lt;Plugin&gt; plugins)<a name="line.206"></a>
<span class="sourceLineNo">207</span> {<a name="line.207"></a>
<span class="sourceLineNo">208</span> if (plugins == null)<a name="line.208"></a>
<span class="sourceLineNo">209</span> {<a name="line.209"></a>
<span class="sourceLineNo">210</span> return null;<a name="line.210"></a>
<span class="sourceLineNo">211</span> }<a name="line.211"></a>
<span class="sourceLineNo">212</span> <a name="line.212"></a>
<span class="sourceLineNo">213</span> List&lt;Plugin&gt; result = new ArrayList&lt;&gt;();<a name="line.213"></a>
<span class="sourceLineNo">214</span> <a name="line.214"></a>
<span class="sourceLineNo">215</span> for (Plugin plugin : plugins)<a name="line.215"></a>
<span class="sourceLineNo">216</span> {<a name="line.216"></a>
<span class="sourceLineNo">217</span> Plugin clonedPlugin = new Plugin();<a name="line.217"></a>
<span class="sourceLineNo">218</span> clonedPlugin.setArtifactId(plugin.getArtifactId());<a name="line.218"></a>
<span class="sourceLineNo">219</span> clonedPlugin.setName(plugin.getName());<a name="line.219"></a>
<span class="sourceLineNo">220</span> clonedPlugin.setPrefix(plugin.getPrefix());<a name="line.220"></a>
<span class="sourceLineNo">221</span> result.add(plugin);<a name="line.221"></a>
<span class="sourceLineNo">222</span> }<a name="line.222"></a>
<span class="sourceLineNo">223</span> <a name="line.223"></a>
<span class="sourceLineNo">224</span> return result;<a name="line.224"></a>
<span class="sourceLineNo">225</span> }<a name="line.225"></a>
<span class="sourceLineNo">226</span><a name="line.226"></a>
<span class="sourceLineNo">227</span> private static List&lt;String&gt; mergeAvailableVersions( List&lt;String&gt; mainAvailableVersions, List&lt;String&gt; sourceAvailableVersions )<a name="line.227"></a>
<span class="sourceLineNo">228</span> {<a name="line.228"></a>
<span class="sourceLineNo">229</span> if ( sourceAvailableVersions == null )<a name="line.229"></a>
<span class="sourceLineNo">230</span> {<a name="line.230"></a>
<span class="sourceLineNo">231</span> return mainAvailableVersions;<a name="line.231"></a>
<span class="sourceLineNo">232</span> }<a name="line.232"></a>
<span class="sourceLineNo">233</span><a name="line.233"></a>
<span class="sourceLineNo">234</span> if ( mainAvailableVersions == null )<a name="line.234"></a>
<span class="sourceLineNo">235</span> {<a name="line.235"></a>
<span class="sourceLineNo">236</span> return ArchivaModelCloner.cloneAvailableVersions( sourceAvailableVersions );<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> List&lt;String&gt; merged = ArchivaModelCloner.cloneAvailableVersions( mainAvailableVersions );<a name="line.239"></a>
<span class="sourceLineNo">240</span><a name="line.240"></a>
<span class="sourceLineNo">241</span> for ( String sourceVersion : sourceAvailableVersions )<a name="line.241"></a>
<span class="sourceLineNo">242</span> {<a name="line.242"></a>
<span class="sourceLineNo">243</span> if ( !merged.contains( sourceVersion ) )<a name="line.243"></a>
<span class="sourceLineNo">244</span> {<a name="line.244"></a>
<span class="sourceLineNo">245</span> merged.add( sourceVersion );<a name="line.245"></a>
<span class="sourceLineNo">246</span> }<a name="line.246"></a>
<span class="sourceLineNo">247</span> }<a name="line.247"></a>
<span class="sourceLineNo">248</span><a name="line.248"></a>
<span class="sourceLineNo">249</span> return merged;<a name="line.249"></a>
<span class="sourceLineNo">250</span> }<a name="line.250"></a>
<span class="sourceLineNo">251</span>}<a name="line.251"></a>
</pre>
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