/*
* Copyright 2008 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.gwt.inject.rebind.binding;
import com.google.gwt.inject.rebind.reflect.MethodLiteral;
import com.google.gwt.inject.rebind.reflect.NoSourceNameException;
import com.google.gwt.inject.rebind.util.GuiceUtil;
import com.google.gwt.inject.rebind.util.InjectorMethod;
import com.google.gwt.inject.rebind.util.MethodCallUtil;
import com.google.gwt.inject.rebind.util.NameGenerator;
import com.google.gwt.inject.rebind.util.Preconditions;
import com.google.gwt.inject.rebind.util.SourceSnippet;
import com.google.gwt.inject.rebind.util.SourceSnippetBuilder;
import java.lang.reflect.Constructor;
import java.util.List;
/**
* A binding that calls a single constructor directly. Values for constructor
* parameters are retrieved by going back through the injector.
*/
public class CallConstructorBinding extends CreatorBinding {
private final MethodLiteral<?, Constructor<?>> constructor;
private final MethodCallUtil methodCallUtil;
CallConstructorBinding(GuiceUtil guiceUtil, MethodLiteral<?, Constructor<?>> constructor,
MethodCallUtil methodCallUtil) {
super(guiceUtil, constructor.getDeclaringType(),
Context.format("Implicit binding for %s", constructor.getDeclaringType()));
this.constructor = Preconditions.checkNotNull(constructor);
this.methodCallUtil = methodCallUtil;
addParamTypes(constructor);
}
@Override protected SourceSnippet getCreationStatement(NameGenerator nameGenerator,
List<InjectorMethod> methodsOutput) throws NoSourceNameException {
return new SourceSnippetBuilder()
.append(getTypeName()).append(" result = ")
.append(
methodCallUtil.createConstructorInjection(constructor, nameGenerator, methodsOutput))
.build();
}
}