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/*
* FaceProvidedClass.oj
*
* @author Michiaki Tatsubori
* @see java.lang.Object
*
* COPYRIGHT 1999 by Michiaki Tatsubori, ALL RIGHTS RESERVED.
*/
package examples.facemake;
import openjava.mop.*;
import openjava.ptree.*;
import openjava.syntax.*;
public class FaceProvidedClass instantiates Metaclass extends OJClass
{
/* overrides for translation */
public convenient void translateDefinition() throws MOPException {
OJMethod[] methods = getMethods();
String fname = getName() + "Face";
FaceProvidedClass face = createEmptyInterface(fname);
OJSystem.addNewClass(face);
for (int i = 0; i < methods.length; ++i) {
OJMethod fmtd = OJMethod.makePrototype(methods[i]);
OJModifier modif = fmtd.getModifiers();
if (modif.isStatic()) continue; /* non-static only */
if (isMethodOfObject(methods[i])) continue;
fmtd.setModifiers( OJModifier.PUBLIC );
face.addMethod(fmtd);
}
addInterface(face);
}
public static FaceProvidedClass createEmptyInterface(String qname) {
String pack = Environment.toPackageName(qname);
String sname = Environment.toSimpleName(qname);
ClassDeclaration cd
= new ClassDeclaration(new ModifierList(ModifierList.PUBLIC),
sname, new TypeName[0], new TypeName[0],
new MemberDeclarationList(), false );
FileEnvironment env = new FileEnvironment(OJSystem.env, pack, sname);
return new FaceProvidedClass(env, null, cd);
}
public static boolean isMethodOfObject(OJMethod m) {
try {
OJClass clazz = OJSystem.OBJECT;
clazz.getMethod(m.getName(), m.getParameterTypes(), clazz);
return true;
} catch (NoSuchMemberException ex) {
return false;
}
}
}
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