com.sun.tools.ws.wscompile.JavaCompilerHelper Maven / Gradle / Ivy
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package com.sun.tools.ws.wscompile;
import com.sun.istack.tools.ParallelWorldClassLoader;
import com.sun.tools.ws.resources.JavacompilerMessages;
import java.io.File;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URISyntaxException;
/**
* A helper class to invoke javac.
*
* @author WS Development Team
*/
class JavaCompilerHelper{
static File getJarFile(Class clazz) {
URL url = null;
try {
url = ParallelWorldClassLoader.toJarUrl(clazz.getResource('/'+clazz.getName().replace('.','/')+".class"));
return new File(url.toURI());
} catch (ClassNotFoundException e) {
// if we can't figure out where JAXB/JAX-WS API are, we couldn't have been executing this code.
throw new Error(e);
} catch (MalformedURLException e) {
// if we can't figure out where JAXB/JAX-WS API are, we couldn't have been executing this code.
throw new Error(e);
} catch (URISyntaxException e) {
// url.toURI() is picky and doesn't like ' ' in URL, so this is the fallback
return new File(url.getPath());
}
}
static boolean compile(String[] args, OutputStream out, ErrorReceiver receiver){
ClassLoader cl = Thread.currentThread().getContextClassLoader();
try {
/* try to use the new compiler */
Class comSunToolsJavacMainClass =
cl.loadClass("com.sun.tools.javac.Main");
try {
Method compileMethod =
comSunToolsJavacMainClass.getMethod(
"compile",
compileMethodSignature);
Object result =
compileMethod.invoke(
null, args, new PrintWriter(out));
return result instanceof Integer && (Integer) result == 0;
} catch (NoSuchMethodException e2) {
receiver.error(JavacompilerMessages.JAVACOMPILER_NOSUCHMETHOD_ERROR("getMethod(\"compile\", Class[])"), e2);
} catch (IllegalAccessException e) {
receiver.error(e);
} catch (InvocationTargetException e) {
receiver.error(e);
}
} catch (ClassNotFoundException e) {
receiver.error(JavacompilerMessages.JAVACOMPILER_CLASSPATH_ERROR("com.sun.tools.javac.Main"), e);
} catch (SecurityException e) {
receiver.error(e);
}
return false;
}
private static final Class[] compileMethodSignature = {String[].class, PrintWriter.class};
}