001/**
002 * Copyright 2013 John Ericksen
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *    http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.androidtransfuse.gen.componentBuilder;
017
018import com.sun.codemodel.JBlock;
019import com.sun.codemodel.JClassAlreadyExistsException;
020import com.sun.codemodel.JExpression;
021import org.androidtransfuse.TransfuseAnalysisException;
022import org.androidtransfuse.adapter.ASTMethod;
023import org.androidtransfuse.experiment.ComponentBuilder;
024import org.androidtransfuse.experiment.ComponentMethodGenerator;
025import org.androidtransfuse.experiment.GenerationPhase;
026import org.androidtransfuse.gen.InjectionFragmentGenerator;
027import org.androidtransfuse.gen.InstantiationStrategyFactory;
028import org.androidtransfuse.model.InjectionNode;
029import org.androidtransfuse.model.MethodDescriptor;
030import org.androidtransfuse.model.TypedExpression;
031
032import javax.inject.Inject;
033import javax.inject.Named;
034import java.util.Map;
035
036/**
037 * @author John Ericksen
038 */
039public class ViewRegistrationGenerator implements RegistrationGenerator {
040
041    private final InjectionNode viewInjectionNode;
042    private final String method;
043    private final InjectionNode injectionNode;
044    private final ViewRegistrationInvocationBuilder viewRegistrationInvocationBuilder;
045    private final InjectionFragmentGenerator injectionFragmentGenerator;
046    private final InstantiationStrategyFactory instantiationStrategyFactory;
047
048    @Inject
049    public ViewRegistrationGenerator(/*@Assisted("viewInjectionNode")*/ @Named("viewInjectionNode") InjectionNode viewInjectionNode,
050                                     /*@Assisted*/ String method,
051                                     /*@Assisted("targetInjectionNode")*/ @Named("targetInjectionNode") InjectionNode injectionNode,
052                                     /*@Assisted*/ ViewRegistrationInvocationBuilder viewRegistrationInvocationBuilder,
053                                     InjectionFragmentGenerator injectionFragmentGenerator,
054                                     InstantiationStrategyFactory instantiationStrategyFactory) {
055        this.viewInjectionNode = viewInjectionNode;
056        this.method = method;
057        this.injectionNode = injectionNode;
058        this.viewRegistrationInvocationBuilder = viewRegistrationInvocationBuilder;
059        this.injectionFragmentGenerator = injectionFragmentGenerator;
060        this.instantiationStrategyFactory = instantiationStrategyFactory;
061    }
062
063    @Override
064    public void build(final ComponentBuilder componentBuilder, ASTMethod creationMethod, final TypedExpression value) {
065
066        componentBuilder.add(creationMethod, GenerationPhase.REGISTRATION, new ComponentMethodGenerator() {
067            @Override
068            public void generate(MethodDescriptor methodDescriptor, JBlock block) {
069                try {
070                    //todo: map scopes
071                    Map<InjectionNode, TypedExpression> viewExpressionMap = injectionFragmentGenerator.buildFragment(block,
072                            instantiationStrategyFactory.buildMethodStrategy(block, null), componentBuilder.getDefinedClass(), viewInjectionNode, null);
073
074                    JExpression viewExpression = viewExpressionMap.get(viewInjectionNode).getExpression();
075
076                    viewRegistrationInvocationBuilder.buildInvocation(componentBuilder.getDefinedClass(), block, value, viewExpression, method, injectionNode);
077
078                } catch (JClassAlreadyExistsException e) {
079                    throw new TransfuseAnalysisException("Class already exists", e);
080                }
081            }
082        });
083    }
084}