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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">
<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>package serp.bytecode;<a name="line.1"></a>
<span class="sourceLineNo">002</span><a name="line.2"></a>
<span class="sourceLineNo">003</span>import java.io.*;<a name="line.3"></a>
<span class="sourceLineNo">004</span>import java.util.*;<a name="line.4"></a>
<span class="sourceLineNo">005</span><a name="line.5"></a>
<span class="sourceLineNo">006</span>import serp.bytecode.visitor.*;<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>/**<a name="line.8"></a>
<span class="sourceLineNo">009</span> * Java annotation data.<a name="line.9"></a>
<span class="sourceLineNo">010</span> *<a name="line.10"></a>
<span class="sourceLineNo">011</span> * @author Abe White<a name="line.11"></a>
<span class="sourceLineNo">012</span> */<a name="line.12"></a>
<span class="sourceLineNo">013</span>public class Annotations extends Attribute {<a name="line.13"></a>
<span class="sourceLineNo">014</span>    private final List _annotations = new ArrayList();<a name="line.14"></a>
<span class="sourceLineNo">015</span><a name="line.15"></a>
<span class="sourceLineNo">016</span>    Annotations(int nameIndex, Attributes owner) {<a name="line.16"></a>
<span class="sourceLineNo">017</span>        super(nameIndex, owner);<a name="line.17"></a>
<span class="sourceLineNo">018</span>    }<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>    /**<a name="line.20"></a>
<span class="sourceLineNo">021</span>     * Whether these annotations are runtime-visible.<a name="line.21"></a>
<span class="sourceLineNo">022</span>     */<a name="line.22"></a>
<span class="sourceLineNo">023</span>    public boolean isRuntime() {<a name="line.23"></a>
<span class="sourceLineNo">024</span>        return getName().equals(Constants.ATTR_RUNTIME_ANNOTATIONS);<a name="line.24"></a>
<span class="sourceLineNo">025</span>    }<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>    /**<a name="line.27"></a>
<span class="sourceLineNo">028</span>     * All declared annotations.<a name="line.28"></a>
<span class="sourceLineNo">029</span>     */<a name="line.29"></a>
<span class="sourceLineNo">030</span>    public Annotation[] getAnnotations() {<a name="line.30"></a>
<span class="sourceLineNo">031</span>        return (Annotation[]) _annotations.toArray<a name="line.31"></a>
<span class="sourceLineNo">032</span>            (new Annotation[_annotations.size()]);<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>     * Set the annotations.  This method is useful when<a name="line.36"></a>
<span class="sourceLineNo">037</span>     * importing annotations from another instance.<a name="line.37"></a>
<span class="sourceLineNo">038</span>     */<a name="line.38"></a>
<span class="sourceLineNo">039</span>    public void setAnnotations(Annotation[] annos) {<a name="line.39"></a>
<span class="sourceLineNo">040</span>        clear();<a name="line.40"></a>
<span class="sourceLineNo">041</span>        if (annos != null)<a name="line.41"></a>
<span class="sourceLineNo">042</span>            for (int i = 0; i &lt; annos.length; i++)<a name="line.42"></a>
<span class="sourceLineNo">043</span>                addAnnotation(annos[i]);<a name="line.43"></a>
<span class="sourceLineNo">044</span>    }<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>     * Return the annotation of the given type, or null if none.<a name="line.47"></a>
<span class="sourceLineNo">048</span>     */<a name="line.48"></a>
<span class="sourceLineNo">049</span>    public Annotation getAnnotation(Class type) {<a name="line.49"></a>
<span class="sourceLineNo">050</span>        return (type == null) ? null : getAnnotation(type.getName());<a name="line.50"></a>
<span class="sourceLineNo">051</span>    }<a name="line.51"></a>
<span class="sourceLineNo">052</span><a name="line.52"></a>
<span class="sourceLineNo">053</span>    /**<a name="line.53"></a>
<span class="sourceLineNo">054</span>     * Return the annotation of the given type, or null if none.<a name="line.54"></a>
<span class="sourceLineNo">055</span>     */<a name="line.55"></a>
<span class="sourceLineNo">056</span>    public Annotation getAnnotation(BCClass type) {<a name="line.56"></a>
<span class="sourceLineNo">057</span>        return (type == null) ? null : getAnnotation(type.getName());<a name="line.57"></a>
<span class="sourceLineNo">058</span>    }<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span>    /**<a name="line.60"></a>
<span class="sourceLineNo">061</span>     * Return the annotation of the given type, or null if none.<a name="line.61"></a>
<span class="sourceLineNo">062</span>     */<a name="line.62"></a>
<span class="sourceLineNo">063</span>    public Annotation getAnnotation(String type) {<a name="line.63"></a>
<span class="sourceLineNo">064</span>        Annotation anno;<a name="line.64"></a>
<span class="sourceLineNo">065</span>        for (int i = 0; i &lt; _annotations.size(); i++) {<a name="line.65"></a>
<span class="sourceLineNo">066</span>            anno = (Annotation) _annotations.get(i);<a name="line.66"></a>
<span class="sourceLineNo">067</span>            if (anno.getTypeName().equals(type))<a name="line.67"></a>
<span class="sourceLineNo">068</span>                return anno;<a name="line.68"></a>
<span class="sourceLineNo">069</span>        }<a name="line.69"></a>
<span class="sourceLineNo">070</span>        return null;<a name="line.70"></a>
<span class="sourceLineNo">071</span>    }<a name="line.71"></a>
<span class="sourceLineNo">072</span><a name="line.72"></a>
<span class="sourceLineNo">073</span>    /**<a name="line.73"></a>
<span class="sourceLineNo">074</span>     * Import an annotation from another instance.<a name="line.74"></a>
<span class="sourceLineNo">075</span>     *<a name="line.75"></a>
<span class="sourceLineNo">076</span>     * @return the newly added annotation<a name="line.76"></a>
<span class="sourceLineNo">077</span>     */<a name="line.77"></a>
<span class="sourceLineNo">078</span>    public Annotation addAnnotation(Annotation an) {<a name="line.78"></a>
<span class="sourceLineNo">079</span>        Annotation anno = addAnnotation(an.getTypeName());<a name="line.79"></a>
<span class="sourceLineNo">080</span>        anno.setProperties(an.getProperties());<a name="line.80"></a>
<span class="sourceLineNo">081</span>        return anno;<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>     * Add a new annotation.<a name="line.85"></a>
<span class="sourceLineNo">086</span>     */<a name="line.86"></a>
<span class="sourceLineNo">087</span>    public Annotation addAnnotation(Class type) {<a name="line.87"></a>
<span class="sourceLineNo">088</span>        return addAnnotation(type.getName());<a name="line.88"></a>
<span class="sourceLineNo">089</span>    }<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>     * Add a new annotation.<a name="line.92"></a>
<span class="sourceLineNo">093</span>     */<a name="line.93"></a>
<span class="sourceLineNo">094</span>    public Annotation addAnnotation(BCClass type) {<a name="line.94"></a>
<span class="sourceLineNo">095</span>        return addAnnotation(type.getName());<a name="line.95"></a>
<span class="sourceLineNo">096</span>    }<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>     * Add a new annotation.<a name="line.99"></a>
<span class="sourceLineNo">100</span>     */<a name="line.100"></a>
<span class="sourceLineNo">101</span>    public Annotation addAnnotation(String type) {<a name="line.101"></a>
<span class="sourceLineNo">102</span>        Annotation anno = new Annotation(this);<a name="line.102"></a>
<span class="sourceLineNo">103</span>        anno.setType(type);<a name="line.103"></a>
<span class="sourceLineNo">104</span>        _annotations.add(anno);<a name="line.104"></a>
<span class="sourceLineNo">105</span>        return anno;<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>
<span class="sourceLineNo">108</span>    /**<a name="line.108"></a>
<span class="sourceLineNo">109</span>     * Remove all annotations.<a name="line.109"></a>
<span class="sourceLineNo">110</span>     */<a name="line.110"></a>
<span class="sourceLineNo">111</span>    public void clear() {<a name="line.111"></a>
<span class="sourceLineNo">112</span>        for (int i = 0; i &lt; _annotations.size(); i++)<a name="line.112"></a>
<span class="sourceLineNo">113</span>            ((Annotation) _annotations.get(i)).invalidate();<a name="line.113"></a>
<span class="sourceLineNo">114</span>        _annotations.clear();<a name="line.114"></a>
<span class="sourceLineNo">115</span>    }<a name="line.115"></a>
<span class="sourceLineNo">116</span><a name="line.116"></a>
<span class="sourceLineNo">117</span>    /**<a name="line.117"></a>
<span class="sourceLineNo">118</span>     * Remove the given annotation.<a name="line.118"></a>
<span class="sourceLineNo">119</span>     *<a name="line.119"></a>
<span class="sourceLineNo">120</span>     * @return true if an annotation was removed, false otherwise<a name="line.120"></a>
<span class="sourceLineNo">121</span>     */<a name="line.121"></a>
<span class="sourceLineNo">122</span>    public boolean removeAnnotation(Annotation anno) {<a name="line.122"></a>
<span class="sourceLineNo">123</span>        return anno != null &amp;&amp; removeAnnotation(anno.getTypeName());<a name="line.123"></a>
<span class="sourceLineNo">124</span>    }<a name="line.124"></a>
<span class="sourceLineNo">125</span><a name="line.125"></a>
<span class="sourceLineNo">126</span>    /**<a name="line.126"></a>
<span class="sourceLineNo">127</span>     * Remove the annotation of the given type.   <a name="line.127"></a>
<span class="sourceLineNo">128</span>     *<a name="line.128"></a>
<span class="sourceLineNo">129</span>     * @return true if an annotation was removed, false otherwise<a name="line.129"></a>
<span class="sourceLineNo">130</span>     */<a name="line.130"></a>
<span class="sourceLineNo">131</span>    public boolean removeAnnotation(Class type) {<a name="line.131"></a>
<span class="sourceLineNo">132</span>        return type != null &amp;&amp; removeAnnotation(type.getName());<a name="line.132"></a>
<span class="sourceLineNo">133</span>    }<a name="line.133"></a>
<span class="sourceLineNo">134</span><a name="line.134"></a>
<span class="sourceLineNo">135</span>    /**<a name="line.135"></a>
<span class="sourceLineNo">136</span>     * Remove the annotation of the given type.   <a name="line.136"></a>
<span class="sourceLineNo">137</span>     *<a name="line.137"></a>
<span class="sourceLineNo">138</span>     * @return true if an annotation was removed, false otherwise<a name="line.138"></a>
<span class="sourceLineNo">139</span>     */<a name="line.139"></a>
<span class="sourceLineNo">140</span>    public boolean removeAnnotation(BCClass type) {<a name="line.140"></a>
<span class="sourceLineNo">141</span>        return type != null &amp;&amp; removeAnnotation(type.getName());<a name="line.141"></a>
<span class="sourceLineNo">142</span>    }<a name="line.142"></a>
<span class="sourceLineNo">143</span><a name="line.143"></a>
<span class="sourceLineNo">144</span>    /**<a name="line.144"></a>
<span class="sourceLineNo">145</span>     * Remove the annotation of the given type.   <a name="line.145"></a>
<span class="sourceLineNo">146</span>     *<a name="line.146"></a>
<span class="sourceLineNo">147</span>     * @return true if an annotation was removed, false otherwise<a name="line.147"></a>
<span class="sourceLineNo">148</span>     */<a name="line.148"></a>
<span class="sourceLineNo">149</span>    public boolean removeAnnotation(String type) {<a name="line.149"></a>
<span class="sourceLineNo">150</span>        if (type == null)<a name="line.150"></a>
<span class="sourceLineNo">151</span>            return false;<a name="line.151"></a>
<span class="sourceLineNo">152</span>        Annotation anno;<a name="line.152"></a>
<span class="sourceLineNo">153</span>        for (int i = 0; i &lt; _annotations.size(); i++) {<a name="line.153"></a>
<span class="sourceLineNo">154</span>            anno = (Annotation) _annotations.get(i);<a name="line.154"></a>
<span class="sourceLineNo">155</span>            if (anno.getTypeName().equals(type)) {<a name="line.155"></a>
<span class="sourceLineNo">156</span>                anno.invalidate();<a name="line.156"></a>
<span class="sourceLineNo">157</span>                _annotations.remove(i);<a name="line.157"></a>
<span class="sourceLineNo">158</span>                return true;<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>        return false;<a name="line.161"></a>
<span class="sourceLineNo">162</span>    }<a name="line.162"></a>
<span class="sourceLineNo">163</span><a name="line.163"></a>
<span class="sourceLineNo">164</span>    int getLength() {<a name="line.164"></a>
<span class="sourceLineNo">165</span>        int len = 2;<a name="line.165"></a>
<span class="sourceLineNo">166</span>        for (int i = 0; i &lt; _annotations.size(); i++)<a name="line.166"></a>
<span class="sourceLineNo">167</span>            len += ((Annotation) _annotations.get(i)).getLength();<a name="line.167"></a>
<span class="sourceLineNo">168</span>        return len;<a name="line.168"></a>
<span class="sourceLineNo">169</span>    }<a name="line.169"></a>
<span class="sourceLineNo">170</span><a name="line.170"></a>
<span class="sourceLineNo">171</span>    void read(Attribute other) {<a name="line.171"></a>
<span class="sourceLineNo">172</span>        setAnnotations(((Annotations) other).getAnnotations());<a name="line.172"></a>
<span class="sourceLineNo">173</span>    }<a name="line.173"></a>
<span class="sourceLineNo">174</span><a name="line.174"></a>
<span class="sourceLineNo">175</span>    void read(DataInput in, int length) throws IOException {<a name="line.175"></a>
<span class="sourceLineNo">176</span>        _annotations.clear();<a name="line.176"></a>
<span class="sourceLineNo">177</span>        int annos = in.readUnsignedShort();<a name="line.177"></a>
<span class="sourceLineNo">178</span>        Annotation anno;<a name="line.178"></a>
<span class="sourceLineNo">179</span>        for (int i = 0; i &lt; annos; i++) {<a name="line.179"></a>
<span class="sourceLineNo">180</span>            anno = new Annotation(this);<a name="line.180"></a>
<span class="sourceLineNo">181</span>            anno.read(in);<a name="line.181"></a>
<span class="sourceLineNo">182</span>            _annotations.add(anno);<a name="line.182"></a>
<span class="sourceLineNo">183</span>        }<a name="line.183"></a>
<span class="sourceLineNo">184</span>    }<a name="line.184"></a>
<span class="sourceLineNo">185</span><a name="line.185"></a>
<span class="sourceLineNo">186</span>    void write(DataOutput out, int length) throws IOException {<a name="line.186"></a>
<span class="sourceLineNo">187</span>        out.writeShort(_annotations.size());<a name="line.187"></a>
<span class="sourceLineNo">188</span>        for (int i = 0; i &lt; _annotations.size(); i++)<a name="line.188"></a>
<span class="sourceLineNo">189</span>            ((Annotation) _annotations.get(i)).write(out);<a name="line.189"></a>
<span class="sourceLineNo">190</span>    }<a name="line.190"></a>
<span class="sourceLineNo">191</span><a name="line.191"></a>
<span class="sourceLineNo">192</span>    public void acceptVisit(BCVisitor visit) {<a name="line.192"></a>
<span class="sourceLineNo">193</span>        visit.enterAnnotations(this);<a name="line.193"></a>
<span class="sourceLineNo">194</span>        for (int i = 0; i &lt; _annotations.size(); i++)<a name="line.194"></a>
<span class="sourceLineNo">195</span>            ((Annotation) _annotations.get(i)).acceptVisit(visit);<a name="line.195"></a>
<span class="sourceLineNo">196</span>        visit.exitAnnotations(this);<a name="line.196"></a>
<span class="sourceLineNo">197</span>    }<a name="line.197"></a>
<span class="sourceLineNo">198</span>}<a name="line.198"></a>




























































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