org.nuiton.jaxx.compiler.reflect.MethodDescriptor Maven / Gradle / Ivy
/*
* #%L
* JAXX :: Compiler
* %%
* Copyright (C) 2008 - 2020 Code Lutin, Ultreia.io
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
package org.nuiton.jaxx.compiler.reflect;
import org.nuiton.jaxx.compiler.JAXXCompiler;
import java.util.Arrays;
/**
* Mirrors the class java.lang.ref.Method. JAXX uses ClassDescriptor instead of Class
* almost everywhere so that it can handle circular dependencies (there can't be a Class object for an uncompiled
* JAXX or Java source file, and a compiler must be allow references to symbols in uncompiled source files in order to handle
* circular dependencies).
*/
public class MethodDescriptor extends MemberDescriptor {
private final String returnType;
private final String[] parameterTypes;
public MethodDescriptor(String name, int modifiers, String returnType, String[] parameterTypes, ClassLoader classLoader) {
super(name, modifiers, classLoader);
this.returnType = returnType;
this.parameterTypes = parameterTypes;
if (JAXXCompiler.STRICT_CHECKS && Arrays.asList(parameterTypes).contains(null)) {
throw new NullPointerException(name);
}
}
public ClassDescriptor getReturnType() {
try {
//TC 20090228 : fix bug when no return type defined (constructor method)
if (returnType == null) {
return null;
}
return ClassDescriptorHelper.getClassDescriptor(returnType);
} catch (ClassNotFoundException e) {
throw new RuntimeException("could not find return type " + returnType, e);
}
}
public ClassDescriptor[] getParameterTypes() {
ClassDescriptor[] result = new ClassDescriptor[parameterTypes.length];
try {
for (int i = 0; i < result.length; i++) {
if (parameterTypes[i] != null) {
result[i] = ClassDescriptorHelper.getClassDescriptor(parameterTypes[i], getClassLoader());
}
}
return result;
} catch (ClassNotFoundException e) {
throw new RuntimeException("could not find the parameter types " + Arrays.toString(parameterTypes), e);
}
}
}