1 /* 2 * Copyright (C) 2018 The Dagger Authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package dagger.spi; 18 19 import static javax.tools.Diagnostic.Kind.ERROR; 20 21 import com.google.auto.service.AutoService; 22 import com.google.common.collect.ImmutableSet; 23 import dagger.model.BindingGraph; 24 import java.util.Map; 25 import java.util.Set; 26 27 @AutoService(BindingGraphPlugin.class) 28 public final class FailingPlugin implements BindingGraphPlugin { 29 private Map<String, String> options; 30 31 @Override supportedOptions()32 public Set<String> supportedOptions() { 33 return ImmutableSet.of( 34 "error_on_binding", 35 "error_on_dependency", 36 "error_on_component", 37 "error_on_subcomponents"); 38 } 39 40 @Override initOptions(Map<String, String> options)41 public void initOptions(Map<String, String> options) { 42 this.options = options; 43 } 44 45 @Override visitGraph(BindingGraph bindingGraph, DiagnosticReporter diagnosticReporter)46 public void visitGraph(BindingGraph bindingGraph, DiagnosticReporter diagnosticReporter) { 47 if (options.containsKey("error_on_binding")) { 48 String key = options.get("error_on_binding"); 49 bindingGraph.bindings().stream() 50 .filter(binding -> binding.key().toString().equals(key)) 51 .forEach( 52 binding -> 53 diagnosticReporter.reportBinding(ERROR, binding, "Bad Binding: %s", binding)); 54 } 55 56 if (options.containsKey("error_on_component")) { 57 diagnosticReporter.reportComponent( 58 ERROR, 59 bindingGraph.rootComponentNode(), 60 "Bad Component: %s", 61 bindingGraph.rootComponentNode()); 62 } 63 64 if (options.containsKey("error_on_subcomponents")) { 65 bindingGraph.componentNodes().stream() 66 .filter(componentNode -> !componentNode.componentPath().atRoot()) 67 .forEach( 68 componentNode -> 69 diagnosticReporter.reportComponent( 70 ERROR, componentNode, "Bad Subcomponent: %s", componentNode)); 71 } 72 73 if (options.containsKey("error_on_dependency")) { 74 String dependency = options.get("error_on_dependency"); 75 bindingGraph.dependencyEdges().stream() 76 .filter( 77 edge -> 78 edge.dependencyRequest() 79 .requestElement() 80 .get() 81 .getSimpleName() 82 .contentEquals(dependency)) 83 .forEach( 84 edge -> diagnosticReporter.reportDependency(ERROR, edge, "Bad Dependency: %s", edge)); 85 } 86 } 87 88 @Override pluginName()89 public String pluginName() { 90 return "FailingPlugin"; 91 } 92 } 93