| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html lang="en"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <div class="sourceContainer"> |
| <pre><span class="sourceLineNo">001</span>/*******************************************************************************<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Copyright (c) 2016 Diamond Light Source Ltd. and others.<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * All rights reserved. This program and the accompanying materials<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * are made available under the terms of the Eclipse Public License v1.0<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * which accompanies this distribution, and is available at<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * http://www.eclipse.org/legal/epl-v10.html<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> *<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * Contributors:<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> * Diamond Light Source Ltd - initial API and implementation<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> *******************************************************************************/<a name="line.10"></a> |
| <span class="sourceLineNo">011</span>package org.eclipse.january.metadata;<a name="line.11"></a> |
| <span class="sourceLineNo">012</span><a name="line.12"></a> |
| <span class="sourceLineNo">013</span>import java.lang.reflect.Method;<a name="line.13"></a> |
| <span class="sourceLineNo">014</span>import java.util.HashMap;<a name="line.14"></a> |
| <span class="sourceLineNo">015</span>import java.util.Map;<a name="line.15"></a> |
| <span class="sourceLineNo">016</span><a name="line.16"></a> |
| <span class="sourceLineNo">017</span>import org.eclipse.january.MetadataException;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>import org.eclipse.january.dataset.LazyDatasetBase;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>import org.eclipse.january.metadata.internal.AxesMetadataImpl;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import org.eclipse.january.metadata.internal.DimensionMetadataImpl;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.eclipse.january.metadata.internal.ErrorMetadataImpl;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.eclipse.january.metadata.internal.MaskMetadataImpl;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.eclipse.january.metadata.internal.OriginMetadataImpl;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.eclipse.january.metadata.internal.PeemMetadataImpl;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.eclipse.january.metadata.internal.StatisticsMetadataImpl;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.eclipse.january.metadata.internal.UnitMetadataImpl;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span><a name="line.27"></a> |
| <span class="sourceLineNo">028</span>public class MetadataFactory {<a name="line.28"></a> |
| <span class="sourceLineNo">029</span><a name="line.29"></a> |
| <span class="sourceLineNo">030</span> private MetadataFactory() {<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> }<a name="line.31"></a> |
| <span class="sourceLineNo">032</span><a name="line.32"></a> |
| <span class="sourceLineNo">033</span> static Map<Class<? extends MetadataType>, Class<? extends MetadataType>> metadataClasses = createMap();<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> private static Map<Class<? extends MetadataType>, Class<? extends MetadataType>> createMap() {<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> Map<Class<? extends MetadataType>, Class<? extends MetadataType>> map = new HashMap<Class<? extends MetadataType>, Class<? extends MetadataType>>();<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> map.put(IMetadata.class, Metadata.class);<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> map.put(ErrorMetadata.class, ErrorMetadataImpl.class);<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> map.put(AxesMetadata.class, AxesMetadataImpl.class);<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> map.put(DimensionMetadata.class, DimensionMetadataImpl.class);<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> map.put(MaskMetadata.class, MaskMetadataImpl.class);<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> map.put(OriginMetadata.class, OriginMetadataImpl.class);<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> map.put(PeemMetadata.class, PeemMetadataImpl.class);<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> map.put(StatisticsMetadata.class, StatisticsMetadataImpl.class);<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> map.put(UnitMetadata.class, UnitMetadataImpl.class);<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> return map;<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> <a name="line.48"></a> |
| <span class="sourceLineNo">049</span> /**<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * Create a metadata object of given class with given arguments<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * @param clazz<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * @param arguments these must match the arguments given in the initialize method specified in the class<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * @return metadata object or null if type not available<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * @throws MetadataException if the class cannot be instantiated, the initialize method does not exist, or<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * the initialize method could not be called successfully<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> */<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> public static <T extends MetadataType> T createMetadata(Class<T> clazz, Object... arguments) throws MetadataException {<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> @SuppressWarnings("unchecked")<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> Class<T> mdClass = (Class<T>) metadataClasses.get(clazz);<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> if (mdClass == null) {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> return null;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> }<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> T obj = null;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> try {<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> obj = mdClass.newInstance();<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> } catch (Exception e) {<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> throw new MetadataException("Could not create metadata object", e);<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> try {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> for (Method m : mdClass.getMethods()) {<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> if (m.getName().equals("initialize")) {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> m.invoke(obj, arguments);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> return obj;<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> } catch (Exception e) {<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> throw new MetadataException("Could not initialize object", e);<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> }<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> throw new MetadataException("Could not find initialize method");<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> }<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> /**<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> * Register metadata class<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> * @param clazz<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> */<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> public static <T extends MetadataType> void registerClass(Class<T> clazz) {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> Class<? extends MetadataType> iClass = LazyDatasetBase.findMetadataTypeSubInterfaces(clazz);<a name="line.89"></a> |
| <span class="sourceLineNo">090</span><a name="line.90"></a> |
| <span class="sourceLineNo">091</span> metadataClasses.put(iClass, clazz);<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> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
