src/site/assets/static/1.2.2/apidocs/src-html/org/apache/shiro/aspectj/BeforeAdviceMethodInvocationAdapter.html - shiro-site - Git at Google

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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<a name="line.2"></a>
 <span class="sourceLineNo">003</span> * or more contributor license agreements.  See the NOTICE file<a name="line.3"></a>
 <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
 <span class="sourceLineNo">005</span> * regarding copyright ownership.  The ASF licenses this file<a name="line.5"></a>
 <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
 <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
 <span class="sourceLineNo">008</span> * with the License.  You may obtain a copy of the License at<a name="line.8"></a>
 <span class="sourceLineNo">009</span> *<a name="line.9"></a>
 <span class="sourceLineNo">010</span> *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
 <span class="sourceLineNo">011</span> *<a name="line.11"></a>
 <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a>
 <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a>
 <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a>
 <span class="sourceLineNo">015</span> * KIND, either express or implied.  See the License for the<a name="line.15"></a>
 <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a>
 <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a>
 <span class="sourceLineNo">018</span> */<a name="line.18"></a>
 <span class="sourceLineNo">019</span>package org.apache.shiro.aspectj;<a name="line.19"></a>
 <span class="sourceLineNo">020</span><a name="line.20"></a>
 <span class="sourceLineNo">021</span>import org.apache.shiro.aop.MethodInvocation;<a name="line.21"></a>
 <span class="sourceLineNo">022</span>import org.aspectj.lang.JoinPoint;<a name="line.22"></a>
 <span class="sourceLineNo">023</span>import org.aspectj.lang.reflect.AdviceSignature;<a name="line.23"></a>
 <span class="sourceLineNo">024</span>import org.aspectj.lang.reflect.MethodSignature;<a name="line.24"></a>
 <span class="sourceLineNo">025</span><a name="line.25"></a>
 <span class="sourceLineNo">026</span>import java.lang.reflect.Method;<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> * Helper class that adapts an AspectJ {@link JoinPoint JoinPoint}.<a name="line.29"></a>
 <span class="sourceLineNo">030</span> *<a name="line.30"></a>
 <span class="sourceLineNo">031</span> * @since 1.0<a name="line.31"></a>
 <span class="sourceLineNo">032</span> */<a name="line.32"></a>
 <span class="sourceLineNo">033</span>public class BeforeAdviceMethodInvocationAdapter implements MethodInvocation {<a name="line.33"></a>
 <span class="sourceLineNo">034</span><a name="line.34"></a>
 <span class="sourceLineNo">035</span>    private Object _object;<a name="line.35"></a>
 <span class="sourceLineNo">036</span>    private Method _method;<a name="line.36"></a>
 <span class="sourceLineNo">037</span>    private Object[] _arguments;<a name="line.37"></a>
 <span class="sourceLineNo">038</span><a name="line.38"></a>
 <span class="sourceLineNo">039</span>    /**<a name="line.39"></a>
 <span class="sourceLineNo">040</span>     * Factory method that creates a new {@link BeforeAdviceMethodInvocationAdapter} instance<a name="line.40"></a>
 <span class="sourceLineNo">041</span>     * using the AspectJ {@link JoinPoint} provided. If the joint point passed in is not<a name="line.41"></a>
 <span class="sourceLineNo">042</span>     * a method joint point, this method throws an {@link IllegalArgumentException}.<a name="line.42"></a>
 <span class="sourceLineNo">043</span>     *<a name="line.43"></a>
 <span class="sourceLineNo">044</span>     * @param aJoinPoint The AspectJ {@link JoinPoint} to use to adapt the advice.<a name="line.44"></a>
 <span class="sourceLineNo">045</span>     * @return The created instance.<a name="line.45"></a>
 <span class="sourceLineNo">046</span>     * @throws IllegalArgumentException If the join point passed in does not involve a method call.<a name="line.46"></a>
 <span class="sourceLineNo">047</span>     */<a name="line.47"></a>
 <span class="sourceLineNo">048</span>    public static BeforeAdviceMethodInvocationAdapter createFrom(JoinPoint aJoinPoint) {<a name="line.48"></a>
 <span class="sourceLineNo">049</span>        if (aJoinPoint.getSignature() instanceof MethodSignature) {<a name="line.49"></a>
 <span class="sourceLineNo">050</span>            return new BeforeAdviceMethodInvocationAdapter(aJoinPoint.getThis(),<a name="line.50"></a>
 <span class="sourceLineNo">051</span>                    ((MethodSignature) aJoinPoint.getSignature()).getMethod(),<a name="line.51"></a>
 <span class="sourceLineNo">052</span>                    aJoinPoint.getArgs());<a name="line.52"></a>
 <span class="sourceLineNo">053</span><a name="line.53"></a>
 <span class="sourceLineNo">054</span>        } else if (aJoinPoint.getSignature() instanceof AdviceSignature) {<a name="line.54"></a>
 <span class="sourceLineNo">055</span>            return new BeforeAdviceMethodInvocationAdapter(aJoinPoint.getThis(),<a name="line.55"></a>
 <span class="sourceLineNo">056</span>                    ((AdviceSignature) aJoinPoint.getSignature()).getAdvice(),<a name="line.56"></a>
 <span class="sourceLineNo">057</span>                    aJoinPoint.getArgs());<a name="line.57"></a>
 <span class="sourceLineNo">058</span><a name="line.58"></a>
 <span class="sourceLineNo">059</span>        } else {<a name="line.59"></a>
 <span class="sourceLineNo">060</span>            throw new IllegalArgumentException("The joint point signature is invalid: expected a MethodSignature or an AdviceSignature but was " + aJoinPoint.getSignature());<a name="line.60"></a>
 <span class="sourceLineNo">061</span>        }<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>    /**<a name="line.64"></a>
 <span class="sourceLineNo">065</span>     * Creates a new {@link BeforeAdviceMethodInvocationAdapter} instance.<a name="line.65"></a>
 <span class="sourceLineNo">066</span>     *<a name="line.66"></a>
 <span class="sourceLineNo">067</span>     * @param aMethod       The method to invoke.<a name="line.67"></a>
 <span class="sourceLineNo">068</span>     * @param someArguments The arguments of the method invocation.<a name="line.68"></a>
 <span class="sourceLineNo">069</span>     */<a name="line.69"></a>
 <span class="sourceLineNo">070</span>    public BeforeAdviceMethodInvocationAdapter(Object anObject, Method aMethod, Object[] someArguments) {<a name="line.70"></a>
 <span class="sourceLineNo">071</span>        _object = anObject;<a name="line.71"></a>
 <span class="sourceLineNo">072</span>        _method = aMethod;<a name="line.72"></a>
 <span class="sourceLineNo">073</span>        _arguments = someArguments;<a name="line.73"></a>
 <span class="sourceLineNo">074</span>    }<a name="line.74"></a>
 <span class="sourceLineNo">075</span><a name="line.75"></a>
 <span class="sourceLineNo">076</span>    /* (non-Javadoc)<a name="line.76"></a>
 <span class="sourceLineNo">077</span>    * @see org.apache.shiro.aop.MethodInvocation#getArguments()<a name="line.77"></a>
 <span class="sourceLineNo">078</span>    */<a name="line.78"></a>
 <span class="sourceLineNo">079</span><a name="line.79"></a>
 <span class="sourceLineNo">080</span>    public Object[] getArguments() {<a name="line.80"></a>
 <span class="sourceLineNo">081</span>        return _arguments;<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>    /* (non-Javadoc)<a name="line.84"></a>
 <span class="sourceLineNo">085</span>    * @see org.apache.shiro.aop.MethodInvocation#getMethod()<a name="line.85"></a>
 <span class="sourceLineNo">086</span>    */<a name="line.86"></a>
 <span class="sourceLineNo">087</span><a name="line.87"></a>
 <span class="sourceLineNo">088</span>    public Method getMethod() {<a name="line.88"></a>
 <span class="sourceLineNo">089</span>        return _method;<a name="line.89"></a>
 <span class="sourceLineNo">090</span>    }<a name="line.90"></a>
 <span class="sourceLineNo">091</span><a name="line.91"></a>
 <span class="sourceLineNo">092</span>    /* (non-Javadoc)<a name="line.92"></a>
 <span class="sourceLineNo">093</span>    * @see org.apache.shiro.aop.MethodInvocation#proceed()<a name="line.93"></a>
 <span class="sourceLineNo">094</span>    */<a name="line.94"></a>
 <span class="sourceLineNo">095</span><a name="line.95"></a>
 <span class="sourceLineNo">096</span>    public Object proceed() throws Throwable {<a name="line.96"></a>
 <span class="sourceLineNo">097</span>        // Do nothing since this adapts a before advice<a name="line.97"></a>
 <span class="sourceLineNo">098</span>        return null;<a name="line.98"></a>
 <span class="sourceLineNo">099</span>    }<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>     * @since 1.0<a name="line.102"></a>
 <span class="sourceLineNo">103</span>     */<a name="line.103"></a>
 <span class="sourceLineNo">104</span>    public Object getThis() {<a name="line.104"></a>
 <span class="sourceLineNo">105</span>        return _object;<a name="line.105"></a>
 <span class="sourceLineNo">106</span>    }<a name="line.106"></a>
 <span class="sourceLineNo">107</span>}<a name="line.107"></a>


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	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
	<html lang="en">
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	<title>Source code</title>
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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<a name="line.2"></a>
	<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
	<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
	<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
	<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
	<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
	<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
	<span class="sourceLineNo">009</span> *<a name="line.9"></a>
	<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
	<span class="sourceLineNo">011</span> *<a name="line.11"></a>
	<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a>
	<span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a>
	<span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a>
	<span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a>
	<span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a>
	<span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a>
	<span class="sourceLineNo">018</span> */<a name="line.18"></a>
	<span class="sourceLineNo">019</span>package org.apache.shiro.aspectj;<a name="line.19"></a>
	<span class="sourceLineNo">020</span><a name="line.20"></a>
	<span class="sourceLineNo">021</span>import org.apache.shiro.aop.MethodInvocation;<a name="line.21"></a>
	<span class="sourceLineNo">022</span>import org.aspectj.lang.JoinPoint;<a name="line.22"></a>
	<span class="sourceLineNo">023</span>import org.aspectj.lang.reflect.AdviceSignature;<a name="line.23"></a>
	<span class="sourceLineNo">024</span>import org.aspectj.lang.reflect.MethodSignature;<a name="line.24"></a>
	<span class="sourceLineNo">025</span><a name="line.25"></a>
	<span class="sourceLineNo">026</span>import java.lang.reflect.Method;<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> * Helper class that adapts an AspectJ {@link JoinPoint JoinPoint}.<a name="line.29"></a>
	<span class="sourceLineNo">030</span> *<a name="line.30"></a>
	<span class="sourceLineNo">031</span> * @since 1.0<a name="line.31"></a>
	<span class="sourceLineNo">032</span> */<a name="line.32"></a>
	<span class="sourceLineNo">033</span>public class BeforeAdviceMethodInvocationAdapter implements MethodInvocation {<a name="line.33"></a>
	<span class="sourceLineNo">034</span><a name="line.34"></a>
	<span class="sourceLineNo">035</span> private Object _object;<a name="line.35"></a>
	<span class="sourceLineNo">036</span> private Method _method;<a name="line.36"></a>
	<span class="sourceLineNo">037</span> private Object[] _arguments;<a name="line.37"></a>
	<span class="sourceLineNo">038</span><a name="line.38"></a>
	<span class="sourceLineNo">039</span> /**<a name="line.39"></a>
	<span class="sourceLineNo">040</span> * Factory method that creates a new {@link BeforeAdviceMethodInvocationAdapter} instance<a name="line.40"></a>
	<span class="sourceLineNo">041</span> * using the AspectJ {@link JoinPoint} provided. If the joint point passed in is not<a name="line.41"></a>
	<span class="sourceLineNo">042</span> * a method joint point, this method throws an {@link IllegalArgumentException}.<a name="line.42"></a>
	<span class="sourceLineNo">043</span> *<a name="line.43"></a>
	<span class="sourceLineNo">044</span> * @param aJoinPoint The AspectJ {@link JoinPoint} to use to adapt the advice.<a name="line.44"></a>
	<span class="sourceLineNo">045</span> * @return The created instance.<a name="line.45"></a>
	<span class="sourceLineNo">046</span> * @throws IllegalArgumentException If the join point passed in does not involve a method call.<a name="line.46"></a>
	<span class="sourceLineNo">047</span> */<a name="line.47"></a>
	<span class="sourceLineNo">048</span> public static BeforeAdviceMethodInvocationAdapter createFrom(JoinPoint aJoinPoint) {<a name="line.48"></a>
	<span class="sourceLineNo">049</span> if (aJoinPoint.getSignature() instanceof MethodSignature) {<a name="line.49"></a>
	<span class="sourceLineNo">050</span> return new BeforeAdviceMethodInvocationAdapter(aJoinPoint.getThis(),<a name="line.50"></a>
	<span class="sourceLineNo">051</span> ((MethodSignature) aJoinPoint.getSignature()).getMethod(),<a name="line.51"></a>
	<span class="sourceLineNo">052</span> aJoinPoint.getArgs());<a name="line.52"></a>
	<span class="sourceLineNo">053</span><a name="line.53"></a>
	<span class="sourceLineNo">054</span> } else if (aJoinPoint.getSignature() instanceof AdviceSignature) {<a name="line.54"></a>
	<span class="sourceLineNo">055</span> return new BeforeAdviceMethodInvocationAdapter(aJoinPoint.getThis(),<a name="line.55"></a>
	<span class="sourceLineNo">056</span> ((AdviceSignature) aJoinPoint.getSignature()).getAdvice(),<a name="line.56"></a>
	<span class="sourceLineNo">057</span> aJoinPoint.getArgs());<a name="line.57"></a>
	<span class="sourceLineNo">058</span><a name="line.58"></a>
	<span class="sourceLineNo">059</span> } else {<a name="line.59"></a>
	<span class="sourceLineNo">060</span> throw new IllegalArgumentException("The joint point signature is invalid: expected a MethodSignature or an AdviceSignature but was " + aJoinPoint.getSignature());<a name="line.60"></a>
	<span class="sourceLineNo">061</span> }<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> /**<a name="line.64"></a>
	<span class="sourceLineNo">065</span> * Creates a new {@link BeforeAdviceMethodInvocationAdapter} instance.<a name="line.65"></a>
	<span class="sourceLineNo">066</span> *<a name="line.66"></a>
	<span class="sourceLineNo">067</span> * @param aMethod The method to invoke.<a name="line.67"></a>
	<span class="sourceLineNo">068</span> * @param someArguments The arguments of the method invocation.<a name="line.68"></a>
	<span class="sourceLineNo">069</span> */<a name="line.69"></a>
	<span class="sourceLineNo">070</span> public BeforeAdviceMethodInvocationAdapter(Object anObject, Method aMethod, Object[] someArguments) {<a name="line.70"></a>
	<span class="sourceLineNo">071</span> _object = anObject;<a name="line.71"></a>
	<span class="sourceLineNo">072</span> _method = aMethod;<a name="line.72"></a>
	<span class="sourceLineNo">073</span> _arguments = someArguments;<a name="line.73"></a>
	<span class="sourceLineNo">074</span> }<a name="line.74"></a>
	<span class="sourceLineNo">075</span><a name="line.75"></a>
	<span class="sourceLineNo">076</span> /* (non-Javadoc)<a name="line.76"></a>
	<span class="sourceLineNo">077</span> * @see org.apache.shiro.aop.MethodInvocation#getArguments()<a name="line.77"></a>
	<span class="sourceLineNo">078</span> */<a name="line.78"></a>
	<span class="sourceLineNo">079</span><a name="line.79"></a>
	<span class="sourceLineNo">080</span> public Object[] getArguments() {<a name="line.80"></a>
	<span class="sourceLineNo">081</span> return _arguments;<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> /* (non-Javadoc)<a name="line.84"></a>
	<span class="sourceLineNo">085</span> * @see org.apache.shiro.aop.MethodInvocation#getMethod()<a name="line.85"></a>
	<span class="sourceLineNo">086</span> */<a name="line.86"></a>
	<span class="sourceLineNo">087</span><a name="line.87"></a>
	<span class="sourceLineNo">088</span> public Method getMethod() {<a name="line.88"></a>
	<span class="sourceLineNo">089</span> return _method;<a name="line.89"></a>
	<span class="sourceLineNo">090</span> }<a name="line.90"></a>
	<span class="sourceLineNo">091</span><a name="line.91"></a>
	<span class="sourceLineNo">092</span> /* (non-Javadoc)<a name="line.92"></a>
	<span class="sourceLineNo">093</span> * @see org.apache.shiro.aop.MethodInvocation#proceed()<a name="line.93"></a>
	<span class="sourceLineNo">094</span> */<a name="line.94"></a>
	<span class="sourceLineNo">095</span><a name="line.95"></a>
	<span class="sourceLineNo">096</span> public Object proceed() throws Throwable {<a name="line.96"></a>
	<span class="sourceLineNo">097</span> // Do nothing since this adapts a before advice<a name="line.97"></a>
	<span class="sourceLineNo">098</span> return null;<a name="line.98"></a>
	<span class="sourceLineNo">099</span> }<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> * @since 1.0<a name="line.102"></a>
	<span class="sourceLineNo">103</span> */<a name="line.103"></a>
	<span class="sourceLineNo">104</span> public Object getThis() {<a name="line.104"></a>
	<span class="sourceLineNo">105</span> return _object;<a name="line.105"></a>
	<span class="sourceLineNo">106</span> }<a name="line.106"></a>
	<span class="sourceLineNo">107</span>}<a name="line.107"></a>




























































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