com.google.web.bindery.autobean.vm.impl.MethodPropertyContext Maven / Gradle / Ivy
/*
* Copyright 2010 Google 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 com.google.web.bindery.autobean.vm.impl;
import com.google.web.bindery.autobean.shared.AutoBeanVisitor.CollectionPropertyContext;
import com.google.web.bindery.autobean.shared.AutoBeanVisitor.MapPropertyContext;
import com.google.web.bindery.autobean.shared.AutoBeanVisitor.ParameterizationVisitor;
import java.lang.reflect.Type;
/**
* A base type to handle analyzing the return value of a getter method. The
* accessor methods are implemented in subtypes.
*/
abstract class MethodPropertyContext implements CollectionPropertyContext, MapPropertyContext {
private final Class elementType;
private final Type genericType;
private final Class keyType;
private final Class valueType;
private final Class type;
protected MethodPropertyContext(Type genericType, Class type, Class elementType,
Class keyType, Class valueType) {
this.genericType = genericType;
this.type = type;
this.elementType = elementType;
this.keyType = keyType;
this.valueType = valueType;
}
public void accept(ParameterizationVisitor visitor) {
traverse(visitor, genericType);
}
public abstract boolean canSet();
public Class getElementType() {
return elementType;
}
public Class getKeyType() {
return keyType;
}
public Class getType() {
return type;
}
public Class getValueType() {
return valueType;
}
public abstract void set(Object value);
private void traverse(ParameterizationVisitor visitor, Type type) {
Class base = TypeUtils.ensureBaseType(type);
if (visitor.visitType(base)) {
Type[] params = TypeUtils.getParameterization(base, type);
for (Type t : params) {
if (visitor.visitParameter()) {
traverse(visitor, t);
}
visitor.endVisitParameter();
}
}
visitor.endVisitType(base);
}
}