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<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.net.*;<a name="line.4"></a>
<span class="sourceLineNo">005</span>import java.util.*;<a name="line.5"></a>
<span class="sourceLineNo">006</span><a name="line.6"></a>
<span class="sourceLineNo">007</span>import serp.bytecode.lowlevel.*;<a name="line.7"></a>
<span class="sourceLineNo">008</span>import serp.bytecode.visitor.*;<a name="line.8"></a>
<span class="sourceLineNo">009</span>import serp.util.*;<a name="line.9"></a>
<span class="sourceLineNo">010</span><a name="line.10"></a>
<span class="sourceLineNo">011</span>/**<a name="line.11"></a>
<span class="sourceLineNo">012</span> * The BCClass represents a class object in the bytecode framework, in many<a name="line.12"></a>
<span class="sourceLineNo">013</span> * ways mirroring the {@link Class} class of Java reflection. The represented<a name="line.13"></a>
<span class="sourceLineNo">014</span> * class might be a primitive, array, existing object type, or some new user-<a name="line.14"></a>
<span class="sourceLineNo">015</span> * defined type. As with most entities in the bytecode framework, the BCClass<a name="line.15"></a>
<span class="sourceLineNo">016</span> * contains methods to manipulate the low-level state of the class (constant<a name="line.16"></a>
<span class="sourceLineNo">017</span> * pool indexes, etc), but these can and should be ignored in<a name="line.17"></a>
<span class="sourceLineNo">018</span> * favor of the available high-level methods.<a name="line.18"></a>
<span class="sourceLineNo">019</span> *<a name="line.19"></a>
<span class="sourceLineNo">020</span> * <p>A BCClass instance is loaded from a {@link Project} and remains<a name="line.20"></a>
<span class="sourceLineNo">021</span> * attached to that project for its lifetime. If a BCClass is removed from<a name="line.21"></a>
<span class="sourceLineNo">022</span> * its project, the result of any further operations on the class are<a name="line.22"></a>
<span class="sourceLineNo">023</span> * undefined.</p><a name="line.23"></a>
<span class="sourceLineNo">024</span> *<a name="line.24"></a>
<span class="sourceLineNo">025</span> * <p>Note that if a BCClass represents a primitive or array type, all of the<a name="line.25"></a>
<span class="sourceLineNo">026</span> * available mutator methods and any methods that access the constant pool<a name="line.26"></a>
<span class="sourceLineNo">027</span> * will throw {@link UnsupportedOperationException}s.</p><a name="line.27"></a>
<span class="sourceLineNo">028</span> *<a name="line.28"></a>
<span class="sourceLineNo">029</span> * @author Abe White<a name="line.29"></a>
<span class="sourceLineNo">030</span> */<a name="line.30"></a>
<span class="sourceLineNo">031</span>public class BCClass extends Annotated implements VisitAcceptor {<a name="line.31"></a>
<span class="sourceLineNo">032</span> private Project _project = null;<a name="line.32"></a>
<span class="sourceLineNo">033</span> private State _state = null;<a name="line.33"></a>
<span class="sourceLineNo">034</span> private ClassLoader _loader = null;<a name="line.34"></a>
<span class="sourceLineNo">035</span><a name="line.35"></a>
<span class="sourceLineNo">036</span> /**<a name="line.36"></a>
<span class="sourceLineNo">037</span> * Hide constructor. For use by the owning project only.<a name="line.37"></a>
<span class="sourceLineNo">038</span> */<a name="line.38"></a>
<span class="sourceLineNo">039</span> BCClass(Project project) {<a name="line.39"></a>
<span class="sourceLineNo">040</span> _project = project;<a name="line.40"></a>
<span class="sourceLineNo">041</span> }<a name="line.41"></a>
<span class="sourceLineNo">042</span><a name="line.42"></a>
<span class="sourceLineNo">043</span> /**<a name="line.43"></a>
<span class="sourceLineNo">044</span> * Set the class state. For use by the owning project only.<a name="line.44"></a>
<span class="sourceLineNo">045</span> */<a name="line.45"></a>
<span class="sourceLineNo">046</span> void setState(State state) {<a name="line.46"></a>
<span class="sourceLineNo">047</span> _state = state;<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> /**<a name="line.50"></a>
<span class="sourceLineNo">051</span> * Invalidate this class.<a name="line.51"></a>
<span class="sourceLineNo">052</span> */<a name="line.52"></a>
<span class="sourceLineNo">053</span> void invalidate() {<a name="line.53"></a>
<span class="sourceLineNo">054</span> _project = null;<a name="line.54"></a>
<span class="sourceLineNo">055</span> _state = State.INVALID;<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> //////////////////<a name="line.58"></a>
<span class="sourceLineNo">059</span> // I/O operations<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> /**<a name="line.62"></a>
<span class="sourceLineNo">063</span> * Initialize from the class definition in the given file. For use by<a name="line.63"></a>
<span class="sourceLineNo">064</span> * the owning project only.<a name="line.64"></a>
<span class="sourceLineNo">065</span> */<a name="line.65"></a>
<span class="sourceLineNo">066</span> void read(File classFile, ClassLoader loader) throws IOException {<a name="line.66"></a>
<span class="sourceLineNo">067</span> InputStream in = new FileInputStream(classFile);<a name="line.67"></a>
<span class="sourceLineNo">068</span> try {<a name="line.68"></a>
<span class="sourceLineNo">069</span> read(in, loader);<a name="line.69"></a>
<span class="sourceLineNo">070</span> } finally {<a name="line.70"></a>
<span class="sourceLineNo">071</span> in.close();<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><a name="line.74"></a>
<span class="sourceLineNo">075</span> /**<a name="line.75"></a>
<span class="sourceLineNo">076</span> * Initialize from the class definition in the given stream. For use by<a name="line.76"></a>
<span class="sourceLineNo">077</span> * the owning project only.<a name="line.77"></a>
<span class="sourceLineNo">078</span> */<a name="line.78"></a>
<span class="sourceLineNo">079</span> void read(InputStream instream, ClassLoader loader)<a name="line.79"></a>
<span class="sourceLineNo">080</span> throws IOException {<a name="line.80"></a>
<span class="sourceLineNo">081</span> DataInput in = new DataInputStream(instream);<a name="line.81"></a>
<span class="sourceLineNo">082</span><a name="line.82"></a>
<span class="sourceLineNo">083</span> // header information<a name="line.83"></a>
<span class="sourceLineNo">084</span> _state.setMagic(in.readInt());<a name="line.84"></a>
<span class="sourceLineNo">085</span> _state.setMinorVersion(in.readUnsignedShort());<a name="line.85"></a>
<span class="sourceLineNo">086</span> _state.setMajorVersion(in.readUnsignedShort());<a name="line.86"></a>
<span class="sourceLineNo">087</span><a name="line.87"></a>
<span class="sourceLineNo">088</span> // constant pool<a name="line.88"></a>
<span class="sourceLineNo">089</span> _state.getPool().read(in);<a name="line.89"></a>
<span class="sourceLineNo">090</span><a name="line.90"></a>
<span class="sourceLineNo">091</span> // access flags<a name="line.91"></a>
<span class="sourceLineNo">092</span> _state.setAccessFlags(in.readUnsignedShort());<a name="line.92"></a>
<span class="sourceLineNo">093</span><a name="line.93"></a>
<span class="sourceLineNo">094</span> // class, super class, interfaces<a name="line.94"></a>
<span class="sourceLineNo">095</span> _state.setIndex(in.readUnsignedShort());<a name="line.95"></a>
<span class="sourceLineNo">096</span> _state.setSuperclassIndex(in.readUnsignedShort());<a name="line.96"></a>
<span class="sourceLineNo">097</span><a name="line.97"></a>
<span class="sourceLineNo">098</span> List interfaces = _state.getInterfacesHolder();<a name="line.98"></a>
<span class="sourceLineNo">099</span> interfaces.clear();<a name="line.99"></a>
<span class="sourceLineNo">100</span> int interfaceCount = in.readUnsignedShort();<a name="line.100"></a>
<span class="sourceLineNo">101</span> for (int i = 0; i < interfaceCount; i++)<a name="line.101"></a>
<span class="sourceLineNo">102</span> interfaces.add(Numbers.valueOf(in.readUnsignedShort()));<a name="line.102"></a>
<span class="sourceLineNo">103</span><a name="line.103"></a>
<span class="sourceLineNo">104</span> // fields<a name="line.104"></a>
<span class="sourceLineNo">105</span> List fields = _state.getFieldsHolder();<a name="line.105"></a>
<span class="sourceLineNo">106</span> fields.clear();<a name="line.106"></a>
<span class="sourceLineNo">107</span> int fieldCount = in.readUnsignedShort();<a name="line.107"></a>
<span class="sourceLineNo">108</span> BCField field;<a name="line.108"></a>
<span class="sourceLineNo">109</span> for (int i = 0; i < fieldCount; i++) {<a name="line.109"></a>
<span class="sourceLineNo">110</span> field = new BCField(this);<a name="line.110"></a>
<span class="sourceLineNo">111</span> fields.add(field);<a name="line.111"></a>
<span class="sourceLineNo">112</span> field.read(in);<a name="line.112"></a>
<span class="sourceLineNo">113</span> }<a name="line.113"></a>
<span class="sourceLineNo">114</span><a name="line.114"></a>
<span class="sourceLineNo">115</span> // methods<a name="line.115"></a>
<span class="sourceLineNo">116</span> List methods = _state.getMethodsHolder();<a name="line.116"></a>
<span class="sourceLineNo">117</span> methods.clear();<a name="line.117"></a>
<span class="sourceLineNo">118</span> int methodCount = in.readUnsignedShort();<a name="line.118"></a>
<span class="sourceLineNo">119</span> BCMethod method;<a name="line.119"></a>
<span class="sourceLineNo">120</span> for (int i = 0; i < methodCount; i++) {<a name="line.120"></a>
<span class="sourceLineNo">121</span> method = new BCMethod(this);<a name="line.121"></a>
<span class="sourceLineNo">122</span> methods.add(method);<a name="line.122"></a>
<span class="sourceLineNo">123</span> method.read(in);<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> readAttributes(in);<a name="line.126"></a>
<span class="sourceLineNo">127</span> _loader = loader;<a name="line.127"></a>
<span class="sourceLineNo">128</span> }<a name="line.128"></a>
<span class="sourceLineNo">129</span><a name="line.129"></a>
<span class="sourceLineNo">130</span> /**<a name="line.130"></a>
<span class="sourceLineNo">131</span> * Initialize from the bytecode of the definition of the given class.<a name="line.131"></a>
<span class="sourceLineNo">132</span> * For use by the owning project only.<a name="line.132"></a>
<span class="sourceLineNo">133</span> */<a name="line.133"></a>
<span class="sourceLineNo">134</span> void read(Class type) throws IOException {<a name="line.134"></a>
<span class="sourceLineNo">135</span> // find out the length of the package name<a name="line.135"></a>
<span class="sourceLineNo">136</span> int dotIndex = type.getName().lastIndexOf('.') + 1;<a name="line.136"></a>
<span class="sourceLineNo">137</span><a name="line.137"></a>
<span class="sourceLineNo">138</span> // strip the package off of the class name<a name="line.138"></a>
<span class="sourceLineNo">139</span> String className = type.getName().substring(dotIndex);<a name="line.139"></a>
<span class="sourceLineNo">140</span><a name="line.140"></a>
<span class="sourceLineNo">141</span> // attempt to get the class file for the class as a stream<a name="line.141"></a>
<span class="sourceLineNo">142</span> InputStream in = type.getResourceAsStream(className + ".class");<a name="line.142"></a>
<span class="sourceLineNo">143</span> try {<a name="line.143"></a>
<span class="sourceLineNo">144</span> read(in, type.getClassLoader());<a name="line.144"></a>
<span class="sourceLineNo">145</span> } finally {<a name="line.145"></a>
<span class="sourceLineNo">146</span> in.close();<a name="line.146"></a>
<span class="sourceLineNo">147</span> }<a name="line.147"></a>
<span class="sourceLineNo">148</span> }<a name="line.148"></a>
<span class="sourceLineNo">149</span><a name="line.149"></a>
<span class="sourceLineNo">150</span> /**<a name="line.150"></a>
<span class="sourceLineNo">151</span> * Initialize from the given parsed bytecode.<a name="line.151"></a>
<span class="sourceLineNo">152</span> * For use by the owning project only.<a name="line.152"></a>
<span class="sourceLineNo">153</span> */<a name="line.153"></a>
<span class="sourceLineNo">154</span> void read(BCClass orig) {<a name="line.154"></a>
<span class="sourceLineNo">155</span> try {<a name="line.155"></a>
<span class="sourceLineNo">156</span> ByteArrayInputStream in = new ByteArrayInputStream<a name="line.156"></a>
<span class="sourceLineNo">157</span> (orig.toByteArray());<a name="line.157"></a>
<span class="sourceLineNo">158</span> read(in, orig.getClassLoader());<a name="line.158"></a>
<span class="sourceLineNo">159</span> in.close();<a name="line.159"></a>
<span class="sourceLineNo">160</span> } catch (IOException ioe) {<a name="line.160"></a>
<span class="sourceLineNo">161</span> throw new RuntimeException(ioe.toString());<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><a name="line.164"></a>
<span class="sourceLineNo">165</span> /**<a name="line.165"></a>
<span class="sourceLineNo">166</span> * Write the class bytecode to the .class file in the proper directory of<a name="line.166"></a>
<span class="sourceLineNo">167</span> * the CLASSPATH. The file must exist already, so this method only works<a name="line.167"></a>
<span class="sourceLineNo">168</span> * on existing classes.<a name="line.168"></a>
<span class="sourceLineNo">169</span> */<a name="line.169"></a>
<span class="sourceLineNo">170</span> public void write() throws IOException {<a name="line.170"></a>
<span class="sourceLineNo">171</span> String name = getName();<a name="line.171"></a>
<span class="sourceLineNo">172</span> int dotIndex = name.lastIndexOf('.') + 1;<a name="line.172"></a>
<span class="sourceLineNo">173</span> name = name.substring(dotIndex);<a name="line.173"></a>
<span class="sourceLineNo">174</span> Class type = getType();<a name="line.174"></a>
<span class="sourceLineNo">175</span><a name="line.175"></a>
<span class="sourceLineNo">176</span> // attempt to get the class file for the class as a stream;<a name="line.176"></a>
<span class="sourceLineNo">177</span> // we need to use the url decoder in case the target directory<a name="line.177"></a>
<span class="sourceLineNo">178</span> // has spaces in it<a name="line.178"></a>
<span class="sourceLineNo">179</span> OutputStream out = new FileOutputStream(URLDecoder.decode<a name="line.179"></a>
<span class="sourceLineNo">180</span> (type.getResource(name + ".class").getFile()));<a name="line.180"></a>
<span class="sourceLineNo">181</span> try {<a name="line.181"></a>
<span class="sourceLineNo">182</span> write(out);<a name="line.182"></a>
<span class="sourceLineNo">183</span> } finally {<a name="line.183"></a>
<span class="sourceLineNo">184</span> out.close();<a name="line.184"></a>
<span class="sourceLineNo">185</span> }<a name="line.185"></a>
<span class="sourceLineNo">186</span> }<a name="line.186"></a>
<span class="sourceLineNo">187</span><a name="line.187"></a>
<span class="sourceLineNo">188</span> /**<a name="line.188"></a>
<span class="sourceLineNo">189</span> * Write the class bytecode to the specified file.<a name="line.189"></a>
<span class="sourceLineNo">190</span> */<a name="line.190"></a>
<span class="sourceLineNo">191</span> public void write(File classFile) throws IOException {<a name="line.191"></a>
<span class="sourceLineNo">192</span> OutputStream out = new FileOutputStream(classFile);<a name="line.192"></a>
<span class="sourceLineNo">193</span> try {<a name="line.193"></a>
<span class="sourceLineNo">194</span> write(out);<a name="line.194"></a>
<span class="sourceLineNo">195</span> } finally {<a name="line.195"></a>
<span class="sourceLineNo">196</span> out.close();<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>
<span class="sourceLineNo">199</span><a name="line.199"></a>
<span class="sourceLineNo">200</span> /**<a name="line.200"></a>
<span class="sourceLineNo">201</span> * Write the class bytecode to the specified stream.<a name="line.201"></a>
<span class="sourceLineNo">202</span> */<a name="line.202"></a>
<span class="sourceLineNo">203</span> public void write(OutputStream outstream) throws IOException {<a name="line.203"></a>
<span class="sourceLineNo">204</span> DataOutput out = new DataOutputStream(outstream);<a name="line.204"></a>
<span class="sourceLineNo">205</span><a name="line.205"></a>
<span class="sourceLineNo">206</span> // header information<a name="line.206"></a>
<span class="sourceLineNo">207</span> out.writeInt(_state.getMagic());<a name="line.207"></a>
<span class="sourceLineNo">208</span> out.writeShort(_state.getMinorVersion());<a name="line.208"></a>
<span class="sourceLineNo">209</span> out.writeShort(_state.getMajorVersion());<a name="line.209"></a>
<span class="sourceLineNo">210</span><a name="line.210"></a>
<span class="sourceLineNo">211</span> // constant pool<a name="line.211"></a>
<span class="sourceLineNo">212</span> _state.getPool().write(out);<a name="line.212"></a>
<span class="sourceLineNo">213</span><a name="line.213"></a>
<span class="sourceLineNo">214</span> // access flags<a name="line.214"></a>
<span class="sourceLineNo">215</span> out.writeShort(_state.getAccessFlags());<a name="line.215"></a>
<span class="sourceLineNo">216</span><a name="line.216"></a>
<span class="sourceLineNo">217</span> // class, super class<a name="line.217"></a>
<span class="sourceLineNo">218</span> out.writeShort(_state.getIndex());<a name="line.218"></a>
<span class="sourceLineNo">219</span> out.writeShort(_state.getSuperclassIndex());<a name="line.219"></a>
<span class="sourceLineNo">220</span><a name="line.220"></a>
<span class="sourceLineNo">221</span> // interfaces<a name="line.221"></a>
<span class="sourceLineNo">222</span> List interfaces = _state.getInterfacesHolder();<a name="line.222"></a>
<span class="sourceLineNo">223</span> out.writeShort(interfaces.size());<a name="line.223"></a>
<span class="sourceLineNo">224</span> for (Iterator itr = interfaces.iterator(); itr.hasNext();)<a name="line.224"></a>
<span class="sourceLineNo">225</span> out.writeShort(((Number) itr.next()).intValue());<a name="line.225"></a>
<span class="sourceLineNo">226</span><a name="line.226"></a>
<span class="sourceLineNo">227</span> // fields<a name="line.227"></a>
<span class="sourceLineNo">228</span> List fields = _state.getFieldsHolder();<a name="line.228"></a>
<span class="sourceLineNo">229</span> out.writeShort(fields.size());<a name="line.229"></a>
<span class="sourceLineNo">230</span> for (Iterator itr = fields.iterator(); itr.hasNext();)<a name="line.230"></a>
<span class="sourceLineNo">231</span> ((BCField) itr.next()).write(out);<a name="line.231"></a>
<span class="sourceLineNo">232</span><a name="line.232"></a>
<span class="sourceLineNo">233</span> // methods<a name="line.233"></a>
<span class="sourceLineNo">234</span> List methods = _state.getMethodsHolder();<a name="line.234"></a>
<span class="sourceLineNo">235</span> out.writeShort(methods.size());<a name="line.235"></a>
<span class="sourceLineNo">236</span> for (Iterator itr = methods.iterator(); itr.hasNext();)<a name="line.236"></a>
<span class="sourceLineNo">237</span> ((BCMethod) itr.next()).write(out);<a name="line.237"></a>
<span class="sourceLineNo">238</span><a name="line.238"></a>
<span class="sourceLineNo">239</span> // attributes<a name="line.239"></a>
<span class="sourceLineNo">240</span> writeAttributes(out);<a name="line.240"></a>
<span class="sourceLineNo">241</span> }<a name="line.241"></a>
<span class="sourceLineNo">242</span><a name="line.242"></a>
<span class="sourceLineNo">243</span> /**<a name="line.243"></a>
<span class="sourceLineNo">244</span> * Return the bytecode of this class as a byte array, possibly for use<a name="line.244"></a>
<span class="sourceLineNo">245</span> * in a custom {@link ClassLoader}.<a name="line.245"></a>
<span class="sourceLineNo">246</span> */<a name="line.246"></a>
<span class="sourceLineNo">247</span> public byte[] toByteArray() {<a name="line.247"></a>
<span class="sourceLineNo">248</span> ByteArrayOutputStream out = new ByteArrayOutputStream();<a name="line.248"></a>
<span class="sourceLineNo">249</span> try {<a name="line.249"></a>
<span class="sourceLineNo">250</span> write(out);<a name="line.250"></a>
<span class="sourceLineNo">251</span> out.flush();<a name="line.251"></a>
<span class="sourceLineNo">252</span> return out.toByteArray();<a name="line.252"></a>
<span class="sourceLineNo">253</span> } catch (IOException ioe) {<a name="line.253"></a>
<span class="sourceLineNo">254</span> throw new RuntimeException(ioe.toString());<a name="line.254"></a>
<span class="sourceLineNo">255</span> } finally {<a name="line.255"></a>
<span class="sourceLineNo">256</span> try { out.close(); } catch (IOException ioe) {}<a name="line.256"></a>
<span class="sourceLineNo">257</span> }<a name="line.257"></a>
<span class="sourceLineNo">258</span> }<a name="line.258"></a>
<span class="sourceLineNo">259</span><a name="line.259"></a>
<span class="sourceLineNo">260</span> /////////////////////<a name="line.260"></a>
<span class="sourceLineNo">261</span> // Access operations<a name="line.261"></a>
<span class="sourceLineNo">262</span> /////////////////////<a name="line.262"></a>
<span class="sourceLineNo">263</span><a name="line.263"></a>
<span class="sourceLineNo">264</span> /**<a name="line.264"></a>
<span class="sourceLineNo">265</span> * Return the magic number for this class; if this is a valid type, this<a name="line.265"></a>
<span class="sourceLineNo">266</span> * should be equal to {@link Constants#VALID_MAGIC} (the default value).<a name="line.266"></a>
<span class="sourceLineNo">267</span> */<a name="line.267"></a>
<span class="sourceLineNo">268</span> public int getMagic() {<a name="line.268"></a>
<span class="sourceLineNo">269</span> return _state.getMagic();<a name="line.269"></a>
<span class="sourceLineNo">270</span> }<a name="line.270"></a>
<span class="sourceLineNo">271</span><a name="line.271"></a>
<span class="sourceLineNo">272</span> /**<a name="line.272"></a>
<span class="sourceLineNo">273</span> * Set the magic number for this class; if this is a valid type, this<a name="line.273"></a>
<span class="sourceLineNo">274</span> * should be equal to {@link Constants#VALID_MAGIC} (the default value).<a name="line.274"></a>
<span class="sourceLineNo">275</span> */<a name="line.275"></a>
<span class="sourceLineNo">276</span> public void setMagic(int magic) {<a name="line.276"></a>
<span class="sourceLineNo">277</span> _state.setMagic(magic);<a name="line.277"></a>
<span class="sourceLineNo">278</span> }<a name="line.278"></a>
<span class="sourceLineNo">279</span><a name="line.279"></a>
<span class="sourceLineNo">280</span> /**<a name="line.280"></a>
<span class="sourceLineNo">281</span> * Return the major version of the bytecode spec used for this class.<a name="line.281"></a>
<span class="sourceLineNo">282</span> * JVMs are only required to operate with versions that they understand;<a name="line.282"></a>
<span class="sourceLineNo">283</span> * leaving the default value of {@link Constants#MAJOR_VERSION} is safe.<a name="line.283"></a>
<span class="sourceLineNo">284</span> */<a name="line.284"></a>
<span class="sourceLineNo">285</span> public int getMajorVersion() {<a name="line.285"></a>
<span class="sourceLineNo">286</span> return _state.getMajorVersion();<a name="line.286"></a>
<span class="sourceLineNo">287</span> }<a name="line.287"></a>
<span class="sourceLineNo">288</span><a name="line.288"></a>
<span class="sourceLineNo">289</span> /**<a name="line.289"></a>
<span class="sourceLineNo">290</span> * Set the major version of the bytecode spec used for this class.<a name="line.290"></a>
<span class="sourceLineNo">291</span> * JVMs are only required to operate with versions that they understand;<a name="line.291"></a>
<span class="sourceLineNo">292</span> * leaving the default value of {@link Constants#MAJOR_VERSION} is safe.<a name="line.292"></a>
<span class="sourceLineNo">293</span> */<a name="line.293"></a>
<span class="sourceLineNo">294</span> public void setMajorVersion(int majorVersion) {<a name="line.294"></a>
<span class="sourceLineNo">295</span> _state.setMajorVersion(majorVersion);<a name="line.295"></a>
<span class="sourceLineNo">296</span> }<a name="line.296"></a>
<span class="sourceLineNo">297</span><a name="line.297"></a>
<span class="sourceLineNo">298</span> /**<a name="line.298"></a>
<span class="sourceLineNo">299</span> * Get the minor version of the bytecode spec used for this class.<a name="line.299"></a>
<span class="sourceLineNo">300</span> * JVMs are only required to operate with versions that they understand;<a name="line.300"></a>
<span class="sourceLineNo">301</span> * leaving the default value of {@link Constants#MINOR_VERSION} is safe.<a name="line.301"></a>
<span class="sourceLineNo">302</span> */<a name="line.302"></a>
<span class="sourceLineNo">303</span> public int getMinorVersion() {<a name="line.303"></a>
<span class="sourceLineNo">304</span> return _state.getMinorVersion();<a name="line.304"></a>
<span class="sourceLineNo">305</span> }<a name="line.305"></a>
<span class="sourceLineNo">306</span><a name="line.306"></a>
<span class="sourceLineNo">307</span> /**<a name="line.307"></a>
<span class="sourceLineNo">308</span> * Set the minor version of the bytecode spec used for this class.<a name="line.308"></a>
<span class="sourceLineNo">309</span> * JVMs are only required to operate with versions that they understand;<a name="line.309"></a>
<span class="sourceLineNo">310</span> * leaving the default value of {@link Constants#MINOR_VERSION} is safe.<a name="line.310"></a>
<span class="sourceLineNo">311</span> */<a name="line.311"></a>
<span class="sourceLineNo">312</span> public void setMinorVersion(int minorVersion) {<a name="line.312"></a>
<span class="sourceLineNo">313</span> _state.setMinorVersion(minorVersion);<a name="line.313"></a>
<span class="sourceLineNo">314</span> }<a name="line.314"></a>
<span class="sourceLineNo">315</span><a name="line.315"></a>
<span class="sourceLineNo">316</span> /**<a name="line.316"></a>
<span class="sourceLineNo">317</span> * Return the access flags for this class as a bit array of<a name="line.317"></a>
<span class="sourceLineNo">318</span> * ACCESS_XXX constants from {@link Constants}. This can be used to<a name="line.318"></a>
<span class="sourceLineNo">319</span> * transfer access flags between classes without getting/setting each<a name="line.319"></a>
<span class="sourceLineNo">320</span> * possible flag.<a name="line.320"></a>
<span class="sourceLineNo">321</span> */<a name="line.321"></a>
<span class="sourceLineNo">322</span> public int getAccessFlags() {<a name="line.322"></a>
<span class="sourceLineNo">323</span> return _state.getAccessFlags();<a name="line.323"></a>
<span class="sourceLineNo">324</span> }<a name="line.324"></a>
<span class="sourceLineNo">325</span><a name="line.325"></a>
<span class="sourceLineNo">326</span> /**<a name="line.326"></a>
<span class="sourceLineNo">327</span> * Set the access flags for this class as a bit array of<a name="line.327"></a>
<span class="sourceLineNo">328</span> * ACCESS_XXX constants from {@link Constants}. This can be used to<a name="line.328"></a>
<span class="sourceLineNo">329</span> * transfer access flags between classes without getting/setting each<a name="line.329"></a>
<span class="sourceLineNo">330</span> * possible flag.<a name="line.330"></a>
<span class="sourceLineNo">331</span> */<a name="line.331"></a>
<span class="sourceLineNo">332</span> public void setAccessFlags(int access) {<a name="line.332"></a>
<span class="sourceLineNo">333</span> _state.setAccessFlags(access);<a name="line.333"></a>
<span class="sourceLineNo">334</span> }<a name="line.334"></a>
<span class="sourceLineNo">335</span><a name="line.335"></a>
<span class="sourceLineNo">336</span> /**<a name="line.336"></a>
<span class="sourceLineNo">337</span> * Manipulate the class access flags.<a name="line.337"></a>
<span class="sourceLineNo">338</span> */<a name="line.338"></a>
<span class="sourceLineNo">339</span> public boolean isPublic() {<a name="line.339"></a>
<span class="sourceLineNo">340</span> return (getAccessFlags() & Constants.ACCESS_PUBLIC) > 0;<a name="line.340"></a>
<span class="sourceLineNo">341</span> }<a name="line.341"></a>
<span class="sourceLineNo">342</span><a name="line.342"></a>
<span class="sourceLineNo">343</span> /**<a name="line.343"></a>
<span class="sourceLineNo">344</span> * Manipulate the class access flags.<a name="line.344"></a>
<span class="sourceLineNo">345</span> */<a name="line.345"></a>
<span class="sourceLineNo">346</span> public void makePublic() {<a name="line.346"></a>
<span class="sourceLineNo">347</span> setAccessFlags(getAccessFlags() | Constants.ACCESS_PUBLIC);<a name="line.347"></a>
<span class="sourceLineNo">348</span> }<a name="line.348"></a>
<span class="sourceLineNo">349</span><a name="line.349"></a>
<span class="sourceLineNo">350</span> /**<a name="line.350"></a>
<span class="sourceLineNo">351</span> * Manipulate the class access flags.<a name="line.351"></a>
<span class="sourceLineNo">352</span> */<a name="line.352"></a>
<span class="sourceLineNo">353</span> public boolean isPackage() {<a name="line.353"></a>
<span class="sourceLineNo">354</span> return !isPublic();<a name="line.354"></a>
<span class="sourceLineNo">355</span> }<a name="line.355"></a>
<span class="sourceLineNo">356</span><a name="line.356"></a>
<span class="sourceLineNo">357</span> /**<a name="line.357"></a>
<span class="sourceLineNo">358</span> * Manipulate the class access flags.<a name="line.358"></a>
<span class="sourceLineNo">359</span> */<a name="line.359"></a>
<span class="sourceLineNo">360</span> public void makePackage() {<a name="line.360"></a>
<span class="sourceLineNo">361</span> setAccessFlags(getAccessFlags() & ~Constants.ACCESS_PUBLIC);<a name="line.361"></a>
<span class="sourceLineNo">362</span> }<a name="line.362"></a>
<span class="sourceLineNo">363</span><a name="line.363"></a>
<span class="sourceLineNo">364</span> /**<a name="line.364"></a>
<span class="sourceLineNo">365</span> * Manipulate the class access flags.<a name="line.365"></a>
<span class="sourceLineNo">366</span> */<a name="line.366"></a>
<span class="sourceLineNo">367</span> public boolean isFinal() {<a name="line.367"></a>
<span class="sourceLineNo">368</span> return (getAccessFlags() & Constants.ACCESS_FINAL) > 0;<a name="line.368"></a>
<span class="sourceLineNo">369</span> }<a name="line.369"></a>
<span class="sourceLineNo">370</span><a name="line.370"></a>
<span class="sourceLineNo">371</span> /**<a name="line.371"></a>
<span class="sourceLineNo">372</span> * Manipulate the class access flags.<a name="line.372"></a>
<span class="sourceLineNo">373</span> */<a name="line.373"></a>
<span class="sourceLineNo">374</span> public void setFinal(boolean on) {<a name="line.374"></a>
<span class="sourceLineNo">375</span> if (on) <a name="line.375"></a>
<span class="sourceLineNo">376</span> setAccessFlags(getAccessFlags() | Constants.ACCESS_FINAL);<a name="line.376"></a>
<span class="sourceLineNo">377</span> else<a name="line.377"></a>
<span class="sourceLineNo">378</span> setAccessFlags(getAccessFlags() & ~Constants.ACCESS_FINAL);<a name="line.378"></a>
<span class="sourceLineNo">379</span> }<a name="line.379"></a>
<span class="sourceLineNo">380</span><a name="line.380"></a>
<span class="sourceLineNo">381</span> /**<a name="line.381"></a>
<span class="sourceLineNo">382</span> * Manipulate the class access flags.<a name="line.382"></a>
<span class="sourceLineNo">383</span> */<a name="line.383"></a>
<span class="sourceLineNo">384</span> public boolean isInterface() {<a name="line.384"></a>
<span class="sourceLineNo">385</span> return (getAccessFlags() & Constants.ACCESS_INTERFACE) > 0;<a name="line.385"></a>
<span class="sourceLineNo">386</span> }<a name="line.386"></a>
<span class="sourceLineNo">387</span><a name="line.387"></a>
<span class="sourceLineNo">388</span> /**<a name="line.388"></a>
<span class="sourceLineNo">389</span> * Manipulate the class access flags.<a name="line.389"></a>
<span class="sourceLineNo">390</span> */<a name="line.390"></a>
<span class="sourceLineNo">391</span> public void setInterface(boolean on) {<a name="line.391"></a>
<span class="sourceLineNo">392</span> if (on) {<a name="line.392"></a>
<span class="sourceLineNo">393</span> setAccessFlags(getAccessFlags() | Constants.ACCESS_INTERFACE);<a name="line.393"></a>
<span class="sourceLineNo">394</span> setAbstract(true);<a name="line.394"></a>
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<span class="sourceLineNo">396</span> setAccessFlags(getAccessFlags() & ~Constants.ACCESS_INTERFACE);<a name="line.396"></a>
<span class="sourceLineNo">397</span> }<a name="line.397"></a>
<span class="sourceLineNo">398</span><a name="line.398"></a>
<span class="sourceLineNo">399</span> /**<a name="line.399"></a>
<span class="sourceLineNo">400</span> * Manipulate the class access flags.<a name="line.400"></a>
<span class="sourceLineNo">401</span> */<a name="line.401"></a>
<span class="sourceLineNo">402</span> public boolean isAbstract() {<a name="line.402"></a>
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<span class="sourceLineNo">404</span> }<a name="line.404"></a>
<span class="sourceLineNo">405</span><a name="line.405"></a>
<span class="sourceLineNo">406</span> /**<a name="line.406"></a>
<span class="sourceLineNo">407</span> * Manipulate the class access flags.<a name="line.407"></a>
<span class="sourceLineNo">408</span> */<a name="line.408"></a>
<span class="sourceLineNo">409</span> public void setAbstract(boolean on) {<a name="line.409"></a>
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<span class="sourceLineNo">413</span> setAccessFlags(getAccessFlags() & ~Constants.ACCESS_ABSTRACT);<a name="line.413"></a>
<span class="sourceLineNo">414</span> }<a name="line.414"></a>
<span class="sourceLineNo">415</span><a name="line.415"></a>
<span class="sourceLineNo">416</span> /**<a name="line.416"></a>
<span class="sourceLineNo">417</span> * Manipulate the class access flags.<a name="line.417"></a>
<span class="sourceLineNo">418</span> */<a name="line.418"></a>
<span class="sourceLineNo">419</span> public boolean isSynthetic() {<a name="line.419"></a>
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<span class="sourceLineNo">422</span><a name="line.422"></a>
<span class="sourceLineNo">423</span> /**<a name="line.423"></a>
<span class="sourceLineNo">424</span> * Manipulate the class access flags.<a name="line.424"></a>
<span class="sourceLineNo">425</span> */<a name="line.425"></a>
<span class="sourceLineNo">426</span> public void setSynthetic(boolean on) {<a name="line.426"></a>
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<span class="sourceLineNo">429</span> else<a name="line.429"></a>
<span class="sourceLineNo">430</span> setAccessFlags(getAccessFlags() & ~Constants.ACCESS_SYNTHETIC);<a name="line.430"></a>
<span class="sourceLineNo">431</span> }<a name="line.431"></a>
<span class="sourceLineNo">432</span><a name="line.432"></a>
<span class="sourceLineNo">433</span> /**<a name="line.433"></a>
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<span class="sourceLineNo">440</span> /**<a name="line.440"></a>
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<span class="sourceLineNo">460</span> * Manipulate the class access flags.<a name="line.460"></a>
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<span class="sourceLineNo">498</span> * class. Unlike most other low-level methods, the index<a name="line.498"></a>
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<span class="sourceLineNo">562</span> /**<a name="line.562"></a>
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<span class="sourceLineNo">570</span> * Return the component type name of this class, or null if not an array.<a name="line.570"></a>
<span class="sourceLineNo">571</span> * The name will be in a form suitable for a {@link Class#forName} call.<a name="line.571"></a>
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<span class="sourceLineNo">577</span> /**<a name="line.577"></a>
<span class="sourceLineNo">578</span> * Return the component type of this class, or null if not an array.<a name="line.578"></a>
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<span class="sourceLineNo">586</span><a name="line.586"></a>
<span class="sourceLineNo">587</span> /**<a name="line.587"></a>
<span class="sourceLineNo">588</span> * Return the component type of this class, or null if not an array.<a name="line.588"></a>
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<span class="sourceLineNo">598</span> // Superclass operations<a name="line.598"></a>
<span class="sourceLineNo">599</span> /////////////////////////<a name="line.599"></a>
<span class="sourceLineNo">600</span><a name="line.600"></a>
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<span class="sourceLineNo">602</span> * Return the {@link ConstantPool} index of the<a name="line.602"></a>
<span class="sourceLineNo">603</span> * {@link ClassEntry} for the superclass of this class. Returns -1 if<a name="line.603"></a>
<span class="sourceLineNo">604</span> * the class does not have a constant pool (such as a primitive or array).<a name="line.604"></a>
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<span class="sourceLineNo">609</span><a name="line.609"></a>
<span class="sourceLineNo">610</span> /**<a name="line.610"></a>
<span class="sourceLineNo">611</span> * Set the {@link ConstantPool} index of the<a name="line.611"></a>
<span class="sourceLineNo">612</span> * {@link ClassEntry} for the superclass of this class.<a name="line.612"></a>
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<span class="sourceLineNo">617</span><a name="line.617"></a>
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<span class="sourceLineNo">619</span> * Return the name of the superclass for this class, including package<a name="line.619"></a>
<span class="sourceLineNo">620</span> * name. The name will be in a form suitable for a<a name="line.620"></a>
<span class="sourceLineNo">621</span> * {@link Class#forName} call, or null for types without superclasses.<a name="line.621"></a>
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<span class="sourceLineNo">627</span> /**<a name="line.627"></a>
<span class="sourceLineNo">628</span> * Return the {@link Class} object for the superclass of this class, if it<a name="line.628"></a>
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<span class="sourceLineNo">637</span><a name="line.637"></a>
<span class="sourceLineNo">638</span> /**<a name="line.638"></a>
<span class="sourceLineNo">639</span> * Return the bytecode of the superclass of this class, or<a name="line.639"></a>
<span class="sourceLineNo">640</span> * null for types without superclasses.<a name="line.640"></a>
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<span class="sourceLineNo">683</span><a name="line.683"></a>
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<span class="sourceLineNo">685</span> * Return the list of {@link ConstantPool} indexes of the<a name="line.685"></a>
<span class="sourceLineNo">686</span> * {@link ClassEntry}s describing all the interfaces this class declares<a name="line.686"></a>
<span class="sourceLineNo">687</span> * that it implements/extends.<a name="line.687"></a>
<span class="sourceLineNo">688</span> *<a name="line.688"></a>
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<span class="sourceLineNo">698</span><a name="line.698"></a>
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<span class="sourceLineNo">700</span> * Set the list of {@link ConstantPool} indexes of the<a name="line.700"></a>
<span class="sourceLineNo">701</span> * {@link ClassEntry}s describing all the interfaces this class declares<a name="line.701"></a>
<span class="sourceLineNo">702</span> * it implements/extends; set to null or an empty array if none.<a name="line.702"></a>
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<span class="sourceLineNo">1551</span> * and static initializers are named <code>&lt;clinit&gt;</code>.<a name="line.1551"></a>
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<span class="sourceLineNo">1698</span> /**<a name="line.1698"></a>
<span class="sourceLineNo">1699</span> * Return source file information for the class.<a name="line.1699"></a>
<span class="sourceLineNo">1700</span> * Acts internally through the {@link Attributes} interface.<a name="line.1700"></a>
<span class="sourceLineNo">1701</span> *<a name="line.1701"></a>
<span class="sourceLineNo">1702</span> * @param add if true, a new source file attribute will be added<a name="line.1702"></a>
<span class="sourceLineNo">1703</span> * if not already present<a name="line.1703"></a>
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<span class="sourceLineNo">1705</span> * <code>add</code> param is set to false<a name="line.1705"></a>
<span class="sourceLineNo">1706</span> */<a name="line.1706"></a>
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<span class="sourceLineNo">1709</span> if (!add || (source != null))<a name="line.1709"></a>
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<span class="sourceLineNo">1717</span> *<a name="line.1717"></a>
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<span class="sourceLineNo">1725</span> * Return inner classes information for the class.<a name="line.1725"></a>
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<span class="sourceLineNo">1727</span> *<a name="line.1727"></a>
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<span class="sourceLineNo">1729</span> * if not already present<a name="line.1729"></a>
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<span class="sourceLineNo">1741</span> /**<a name="line.1741"></a>
<span class="sourceLineNo">1742</span> * Remove the inner classes attribute for the class.<a name="line.1742"></a>
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<span class="sourceLineNo">1744</span> *<a name="line.1744"></a>
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<span class="sourceLineNo">1751</span> /**<a name="line.1751"></a>
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<span class="sourceLineNo">1759</span> /**<a name="line.1759"></a>
<span class="sourceLineNo">1760</span> * Convenience method to set whether this class should be considered<a name="line.1760"></a>
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<span class="sourceLineNo">1770</span> ///////////////////////////////////<a name="line.1770"></a>
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<span class="sourceLineNo">1777</span> ConstantPool pool = null;<a name="line.1777"></a>
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<span class="sourceLineNo">1788</span> fields[i].acceptVisit(visit);<a name="line.1788"></a>
<span class="sourceLineNo">1789</span> visit.exitBCMember(fields[i]);<a name="line.1789"></a>
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<span class="sourceLineNo">1795</span> methods[i].acceptVisit(visit);<a name="line.1795"></a>
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<span class="sourceLineNo">1802</span><a name="line.1802"></a>
<span class="sourceLineNo">1803</span> ////////////////////////////////<a name="line.1803"></a>
<span class="sourceLineNo">1804</span> // Implementation of Attributes<a name="line.1804"></a>
<span class="sourceLineNo">1805</span> ////////////////////////////////<a name="line.1805"></a>
<span class="sourceLineNo">1806</span><a name="line.1806"></a>
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<span class="sourceLineNo">1815</span> public ClassLoader getClassLoader() {<a name="line.1815"></a>
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<span class="sourceLineNo">1825</span> Collection getAttributesHolder() {<a name="line.1825"></a>
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<span class="sourceLineNo">1828</span><a name="line.1828"></a>
<span class="sourceLineNo">1829</span> ///////////////////////////////<a name="line.1829"></a>
<span class="sourceLineNo">1830</span> // Implementation of Annotated<a name="line.1830"></a>
<span class="sourceLineNo">1831</span> ///////////////////////////////<a name="line.1831"></a>
<span class="sourceLineNo">1832</span><a name="line.1832"></a>
<span class="sourceLineNo">1833</span> BCClass getBCClass() {<a name="line.1833"></a>
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<span class="sourceLineNo">1837</span> /**<a name="line.1837"></a>
<span class="sourceLineNo">1838</span> * Attempts to change the class name with the owning project. The project<a name="line.1838"></a>
<span class="sourceLineNo">1839</span> * can reject the change if a class with the given new name already<a name="line.1839"></a>
<span class="sourceLineNo">1840</span> * exists; therefore this method should be called before the change is<a name="line.1840"></a>
<span class="sourceLineNo">1841</span> * recorded in the class.<a name="line.1841"></a>
<span class="sourceLineNo">1842</span> */<a name="line.1842"></a>
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<span class="sourceLineNo">1845</span> _project.renameClass(oldName, newName, this);<a name="line.1845"></a>
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<span class="sourceLineNo">1847</span>}<a name="line.1847"></a>
</pre>
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