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| <a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_comment">/*</em> |
| <a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em> |
| <a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment"> * contributor license agreements. See the NOTICE file distributed with</em> |
| <a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em> |
| <a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em> |
| <a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em> |
| <a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment"> * the License. You may obtain a copy of the License at</em> |
| <a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment"> * </em> |
| <a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em> |
| <a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_comment"> * </em> |
| <a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em> |
| <a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em> |
| <a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em> |
| <a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em> |
| <a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_comment"> * limitations under the License.</em> |
| <a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_comment"> */</em> |
| <a class="jxr_linenumber" name="17" href="#17">17</a> <strong class="jxr_keyword">package</strong> org.apache.mina.integration.ognl; |
| <a class="jxr_linenumber" name="18" href="#18">18</a> |
| <a class="jxr_linenumber" name="19" href="#19">19</a> <strong class="jxr_keyword">import</strong> java.beans.PropertyEditor; |
| <a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> java.lang.reflect.Member; |
| <a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> java.util.Map; |
| <a class="jxr_linenumber" name="22" href="#22">22</a> |
| <a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> ognl.OgnlContext; |
| <a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> ognl.TypeConverter; |
| <a class="jxr_linenumber" name="25" href="#25">25</a> |
| <a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.apache.mina.integration.beans.PropertyEditorFactory; |
| <a class="jxr_linenumber" name="27" href="#27">27</a> |
| <a class="jxr_linenumber" name="28" href="#28">28</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="29" href="#29">29</a> <em class="jxr_javadoccomment"> * {@link PropertyEditor}-based implementation of OGNL {@link TypeConverter}.</em> |
| <a class="jxr_linenumber" name="30" href="#30">30</a> <em class="jxr_javadoccomment"> * This converter uses the {@link PropertyEditor} implementations in</em> |
| <a class="jxr_linenumber" name="31" href="#31">31</a> <em class="jxr_javadoccomment"> * <tt>mina-integration-beans</tt> module to perform conversion. To use this</em> |
| <a class="jxr_linenumber" name="32" href="#32">32</a> <em class="jxr_javadoccomment"> * converter:</em> |
| <a class="jxr_linenumber" name="33" href="#33">33</a> <em class="jxr_javadoccomment"> * <pre><code></em> |
| <a class="jxr_linenumber" name="34" href="#34">34</a> <em class="jxr_javadoccomment"> * OgnlContext ctx = Ognl.createDefaultContext(root);</em> |
| <a class="jxr_linenumber" name="35" href="#35">35</a> <em class="jxr_javadoccomment"> * ctx.put(OgnlContext.TYPE_CONVERTER_CONTEXT_KEY, new PropertyTypeConverter());</em> |
| <a class="jxr_linenumber" name="36" href="#36">36</a> <em class="jxr_javadoccomment"> * </code></pre></em> |
| <a class="jxr_linenumber" name="37" href="#37">37</a> <em class="jxr_javadoccomment"> * You can also override {@link #getPropertyEditor(Class, String, Class)}</em> |
| <a class="jxr_linenumber" name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * method to have more control over how an appropriate {@link PropertyEditor}</em> |
| <a class="jxr_linenumber" name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * is chosen.</em> |
| <a class="jxr_linenumber" name="40" href="#40">40</a> <em class="jxr_javadoccomment"> * </em> |
| <a class="jxr_linenumber" name="41" href="#41">41</a> <em class="jxr_javadoccomment"> * @author <a href="<a href="http://mina.apache.org" target="alexandria_uri">http://mina.apache.org</a>">Apache MINA Project</a></em> |
| <a class="jxr_linenumber" name="42" href="#42">42</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/mina/integration/ognl/PropertyTypeConverter.html">PropertyTypeConverter</a> <strong class="jxr_keyword">implements</strong> TypeConverter { |
| <a class="jxr_linenumber" name="44" href="#44">44</a> |
| <a class="jxr_linenumber" name="45" href="#45">45</a> @SuppressWarnings(<span class="jxr_string">"unchecked"</span>) |
| <a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">public</strong> Object convertValue(Map ctx, Object target, Member member, String attrName, Object value, Class toType) { |
| <a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">if</strong> (value == <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="49" href="#49">49</a> } |
| <a class="jxr_linenumber" name="50" href="#50">50</a> |
| <a class="jxr_linenumber" name="51" href="#51">51</a> <strong class="jxr_keyword">if</strong> (attrName == <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="52" href="#52">52</a> <em class="jxr_comment">// I don't know why but OGNL gives null attrName almost always.</em> |
| <a class="jxr_linenumber" name="53" href="#53">53</a> <em class="jxr_comment">// Fortunately, we can get the actual attrName with a tiny hack.</em> |
| <a class="jxr_linenumber" name="54" href="#54">54</a> OgnlContext ognlCtx = (OgnlContext) ctx; |
| <a class="jxr_linenumber" name="55" href="#55">55</a> attrName = ognlCtx.getCurrentNode().toString().replaceAll(<span class="jxr_string">"[\" \']+"</span>, <span class="jxr_string">""</span>); |
| <a class="jxr_linenumber" name="56" href="#56">56</a> } |
| <a class="jxr_linenumber" name="57" href="#57">57</a> |
| <a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">if</strong> (toType.isAssignableFrom(value.getClass())) { |
| <a class="jxr_linenumber" name="59" href="#59">59</a> <strong class="jxr_keyword">return</strong> value; |
| <a class="jxr_linenumber" name="60" href="#60">60</a> } |
| <a class="jxr_linenumber" name="61" href="#61">61</a> |
| <a class="jxr_linenumber" name="62" href="#62">62</a> PropertyEditor e1 = getPropertyEditor(target.getClass(), attrName, value.getClass()); |
| <a class="jxr_linenumber" name="63" href="#63">63</a> <strong class="jxr_keyword">if</strong> (e1 == <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"Can't convert "</span> + value.getClass().getSimpleName() + <span class="jxr_string">" to "</span> |
| <a class="jxr_linenumber" name="65" href="#65">65</a> + String.<strong class="jxr_keyword">class</strong>.getSimpleName()); |
| <a class="jxr_linenumber" name="66" href="#66">66</a> } |
| <a class="jxr_linenumber" name="67" href="#67">67</a> e1.setValue(value); |
| <a class="jxr_linenumber" name="68" href="#68">68</a> |
| <a class="jxr_linenumber" name="69" href="#69">69</a> PropertyEditor e2 = getPropertyEditor(target.getClass(), attrName, toType); |
| <a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">if</strong> (e2 == <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"Can't convert "</span> + String.<strong class="jxr_keyword">class</strong>.getSimpleName() + <span class="jxr_string">" to "</span> |
| <a class="jxr_linenumber" name="72" href="#72">72</a> + toType.getSimpleName()); |
| <a class="jxr_linenumber" name="73" href="#73">73</a> } |
| <a class="jxr_linenumber" name="74" href="#74">74</a> |
| <a class="jxr_linenumber" name="75" href="#75">75</a> e2.setAsText(e1.getAsText()); |
| <a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">return</strong> e2.getValue(); |
| <a class="jxr_linenumber" name="77" href="#77">77</a> } |
| <a class="jxr_linenumber" name="78" href="#78">78</a> |
| <a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">protected</strong> PropertyEditor getPropertyEditor(Class<?> type, String attrName, Class<?> attrType) { |
| <a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">return</strong> PropertyEditorFactory.getInstance(attrType); |
| <a class="jxr_linenumber" name="81" href="#81">81</a> } |
| <a class="jxr_linenumber" name="82" href="#82">82</a> } |
| </pre> |
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