/*
* Copyright 2011 JBoss, by Red Hat, Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.errai.codegen.meta.impl;
import org.jboss.errai.codegen.meta.MetaClass;
import org.jboss.errai.codegen.meta.MetaParameterizedType;
import org.jboss.errai.codegen.meta.MetaType;
/**
* @author Mike Brock <cbrock@redhat.com>
*/
public abstract class AbstractMetaParameterizedType implements MetaParameterizedType {
@Override
public boolean isAssignableFrom(final MetaParameterizedType type) {
final MetaType[] compareFrom = getTypeParameters();
final MetaType[] compareTo;
if (type == null) {
compareTo = new MetaType[compareFrom.length];
for (int i = 0; i < compareFrom.length; i++) {
compareTo[i] = new MetaType() {
@Override
public String toString() {
return getName();
}
@Override
public String getName() {
return "?";
}
};
}
}
else {
compareTo = type.getTypeParameters();
}
if (compareTo.length != compareFrom.length) return false;
for (int i = 0; i < compareTo.length; i++) {
if (compareFrom[i].toString().equals("?")) {
continue;
}
if (compareFrom[i] instanceof MetaClass && compareTo[i] instanceof MetaClass) {
if (!((MetaClass) compareFrom[i]).isAssignableFrom((MetaClass) compareTo[i])) {
return false;
}
}
}
return true;
}
}