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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 or more<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * this work for additional information regarding copyright ownership.<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * the License. You may obtain a copy of the License at<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * <a name="line.8"></a> |
| <span class="sourceLineNo">009</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * <a name="line.10"></a> |
| <span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * See the License for the specific language governing permissions and<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * limitations under the License.<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> */<a name="line.16"></a> |
| <span class="sourceLineNo">017</span>package org.apache.mina.integration.ognl;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>import java.beans.PropertyEditor;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.lang.reflect.Member;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.Map;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import ognl.OgnlContext;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import ognl.TypeConverter;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span><a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.mina.integration.beans.PropertyEditorFactory;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span><a name="line.27"></a> |
| <span class="sourceLineNo">028</span>/**<a name="line.28"></a> |
| <span class="sourceLineNo">029</span> * {@link PropertyEditor}-based implementation of OGNL {@link TypeConverter}.<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> * This converter uses the {@link PropertyEditor} implementations in<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> * <tt>mina-integration-beans</tt> module to perform conversion. To use this<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * converter:<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * <pre><code><a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * OgnlContext ctx = Ognl.createDefaultContext(root);<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * ctx.put(OgnlContext.TYPE_CONVERTER_CONTEXT_KEY, new PropertyTypeConverter());<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * </code></pre><a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * You can also override {@link #getPropertyEditor(Class, String, Class)}<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * method to have more control over how an appropriate {@link PropertyEditor}<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * is chosen.<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * <a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * @author <a href="http://mina.apache.org">Apache MINA Project</a><a name="line.41"></a> |
| <span class="sourceLineNo">042</span> */<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>public class PropertyTypeConverter implements TypeConverter {<a name="line.43"></a> |
| <span class="sourceLineNo">044</span><a name="line.44"></a> |
| <span class="sourceLineNo">045</span> @SuppressWarnings("unchecked")<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> public Object convertValue(Map ctx, Object target, Member member, String attrName, Object value, Class toType) {<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> if (value == null) {<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> return null;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> }<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> if (attrName == null) {<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> // I don't know why but OGNL gives null attrName almost always.<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> // Fortunately, we can get the actual attrName with a tiny hack.<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> OgnlContext ognlCtx = (OgnlContext) ctx;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> attrName = ognlCtx.getCurrentNode().toString().replaceAll("[\" \']+", "");<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> }<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> if (toType.isAssignableFrom(value.getClass())) {<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> return value;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> }<a name="line.60"></a> |
| <span class="sourceLineNo">061</span><a name="line.61"></a> |
| <span class="sourceLineNo">062</span> PropertyEditor e1 = getPropertyEditor(target.getClass(), attrName, value.getClass());<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> if (e1 == null) {<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> throw new IllegalArgumentException("Can't convert " + value.getClass().getSimpleName() + " to "<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> + String.class.getSimpleName());<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> }<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> e1.setValue(value);<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> PropertyEditor e2 = getPropertyEditor(target.getClass(), attrName, toType);<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> if (e2 == null) {<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> throw new IllegalArgumentException("Can't convert " + String.class.getSimpleName() + " to "<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> + toType.getSimpleName());<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> e2.setAsText(e1.getAsText());<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> return e2.getValue();<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> protected PropertyEditor getPropertyEditor(Class<?> type, String attrName, Class<?> attrType) {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> return PropertyEditorFactory.getInstance(attrType);<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> }<a name="line.81"></a> |
| <span class="sourceLineNo">082</span>}<a name="line.82"></a> |
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