Java Code Examples for javassist.bytecode.MethodInfo#getName()

/**
 * Finds a method declaration in the classfile.
 * 
 * @param methodSignature a {@link Signature}.
 * @return {@code null} if no method with {@code methodSignature} 
 *         signature is declared in this classfile, otherwise the 
 *         {@link CtBehavior} for it; the class name in {@code methodSignature}
 *         is ignored.
 */
private MethodInfo findMethodDeclaration(Signature methodSignature) {
    if ("<clinit>".equals(methodSignature.getName())) {
        return this.cf.getStaticInitializer();
    }

    final List<MethodInfo> ms = this.cf.getMethods();
    for (MethodInfo m : ms) {
        final String internalName = m.getName();
        if (internalName.equals(methodSignature.getName()) &&
            m.getDescriptor().equals(methodSignature.getDescriptor())) {
            return m;
        }
    }
    return null;
}
 

private MethodInfo findUniqueMethodDeclarationWithName(String methodName) {
    final List<MethodInfo> ms = this.cf.getMethods();
    MethodInfo retVal = null;
    for (MethodInfo m : ms) {
        final String internalName = m.getName();
        if (internalName.equals(methodName)) {
            if (retVal == null) {
                retVal = m;
            } else {
                //two methods with same name - not unique
                return null;
            }
        }
    }
    return retVal;
}
 

private void transformInvokevirtualsIntoPutAndGetfields(ClassFile classfile)
		throws CannotCompileException {
	List methods = classfile.getMethods();
	for (Iterator method_iter = methods.iterator(); method_iter.hasNext();) {
		MethodInfo minfo = (MethodInfo) method_iter.next();
		String methodName = minfo.getName();
		if (methodName.startsWith(EACH_READ_METHOD_PREFIX)
		    || methodName.startsWith(EACH_WRITE_METHOD_PREFIX)
		    || methodName.equals(GETFIELDHANDLER_METHOD_NAME)
		    || methodName.equals(SETFIELDHANDLER_METHOD_NAME)) {
			continue;
		}
		CodeAttribute codeAttr = minfo.getCodeAttribute();
		if (codeAttr == null) {
			return;
		}
		CodeIterator iter = codeAttr.iterator();
		while (iter.hasNext()) {
			try {
				int pos = iter.next();
				pos = transformInvokevirtualsIntoGetfields(classfile, iter,
				                                           pos);
				pos = transformInvokevirtualsIntoPutfields(classfile, iter,
				                                           pos);

			} catch (BadBytecode e) {
				throw new CannotCompileException(e);
			}
		}
	}
}
 

private void fillMethodsAndConstructors() {
    this.methods = new ArrayList<>();
    this.constructors = new ArrayList<>();
    final List<MethodInfo> ms = this.cf.getMethods();
    for (MethodInfo m : ms) {
        final Signature sig = new Signature(getClassName(), m.getDescriptor(), m.getName());
        this.methods.add(sig);
        if (m.isConstructor()) {
            this.constructors.add(sig);
        }
    }
}
 

@Override
public String getMethodName(MethodInfo method) {
    return method.getName();
}
 

protected JOperation(MethodInfo methodInfo, JType enclosingType, ClasspathResolver resolver) {
    super(methodInfo == null ? null : methodInfo.getName(), resolver);
    this.methodInfo = methodInfo;
    this.enclosingType = enclosingType;
}