spring-loaded TypeDescriptorMethodProvider 源码
spring-loaded TypeDescriptorMethodProvider 代码
文件路径：/springloaded/src/main/java/org/springsource/loaded/ri/TypeDescriptorMethodProvider.java
/*
* Copyright 2010-2012 VMware and contributors
*
* 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
*
* https://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.springsource.loaded.ri;
import java.util.ArrayList;
import java.util.List;
import org.springsource.loaded.MethodMember;
import org.springsource.loaded.ReloadableType;
import org.springsource.loaded.TypeDescriptor;
import org.springsource.loaded.TypeRegistry;
/**
* Abstract base class for implementation of MethodProvider that are capable of producing a {@link TypeDescriptor}
*
* @author Kris De Volder
* @since 0.5.0
*/
public abstract class TypeDescriptorMethodProvider extends MethodProvider {
protected abstract TypeDescriptor getTypeDescriptor();
protected abstract TypeRegistry getTypeRegistry();
protected abstract Invoker invokerFor(MethodMember methodMember);
@Override
public List<Invoker> getDeclaredMethods() {
TypeDescriptor typeDescriptor = getTypeDescriptor();
MethodMember[] methods = typeDescriptor.getMethods();
List<Invoker> invokers = new ArrayList<Invoker>();
for (MethodMember method : methods) {
// TODO [perf] create constant for this check?
if (((MethodMember.BIT_CATCHER | MethodMember.BIT_SUPERDISPATCHER | MethodMember.WAS_DELETED) & method.bits) == 0) {
invokers.add(invokerFor(method));
}
}
return invokers;
}
@Override
public MethodProvider getSuper() {
TypeRegistry registry = getTypeRegistry();
TypeDescriptor typeDesc = getTypeDescriptor();
String superName = typeDesc.getSupertypeName();
if (superName == null) {
//This happens only for type Object... Code unreachable unless Object is reloadable
return null;
}
else {
ReloadableType rsuper = registry.getReloadableType(superName);
if (rsuper != null) {
return MethodProvider.create(rsuper);
}
else {
TypeDescriptor dsuper = registry.getDescriptorFor(superName);
return MethodProvider.create(registry, dsuper);
}
}
}
@Override
public String getSlashedName() {
return getTypeDescriptor().getName();
}
@Override
public MethodProvider[] getInterfaces() {
TypeRegistry registry = getTypeRegistry();
String[] itfNames = getTypeDescriptor().getSuperinterfacesName();
MethodProvider[] itfs = new MethodProvider[itfNames.length];
for (int i = 0; i < itfNames.length; i++) {
itfs[i] = MethodProvider.create(registry, registry.getDescriptorFor(itfNames[i]));
}
return itfs;
}
@Override
public boolean isInterface() {
return getTypeDescriptor().isInterface();
}
}
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