add Guice module for providing ScanResult from ClassGraph.

PiperOrigin-RevId: 320290436
Change-Id: I9eb0dc02fe06a1057cad4cafbcae3b003295338b

common/src/main/java/com/google/tsunami/common/reflection/ClassGraphModule.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * 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.tsunami.common.reflection;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import com.google.inject.AbstractModule;
+import io.github.classgraph.ScanResult;
+
+/** Guice module for providing ClassGraph bindings. */
+public final class ClassGraphModule extends AbstractModule {
+  private final ScanResult scanResult;
+
+  public ClassGraphModule(ScanResult scanResult) {
+    this.scanResult = checkNotNull(scanResult);
+  }
+
+  @Override
+  protected void configure() {
+    bind(ScanResult.class).annotatedWith(RuntimeClassGraphScanResult.class).toInstance(scanResult);
+  }
+}

common/src/main/java/com/google/tsunami/common/reflection/RuntimeClassGraphScanResult.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * 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.tsunami.common.reflection;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import javax.inject.Qualifier;
+
+/** Annotation for the ClassGraph {@link io.github.classgraph.ScanResult} at runtime. */
+@Qualifier
+@Retention(RetentionPolicy.RUNTIME)
+@Target({PARAMETER, METHOD, FIELD})
+public @interface RuntimeClassGraphScanResult {}

main/src/main/java/com/google/tsunami/main/cli/TsunamiCli.java

@@ -32,6 +32,7 @@
 import com.google.tsunami.common.config.YamlConfigLoader;
 import com.google.tsunami.common.io.archiving.GoogleCloudStorageArchiverModule;
 import com.google.tsunami.common.net.http.HttpClientModule;
+import com.google.tsunami.common.reflection.ClassGraphModule;
 import com.google.tsunami.common.time.SystemUtcClockModule;
 import com.google.tsunami.main.cli.option.ScanTargetCliOptions;
 import com.google.tsunami.plugin.PluginExecutionModule;
@@ -107,6 +108,7 @@ private static final class TsunamiCliModule extends AbstractModule {
 
     @Override
     protected void configure() {
+      install(new ClassGraphModule(classScanResult));
       install(new ConfigModule(classScanResult, tsunamiConfig));
       install(new CliOptionsModule(classScanResult, "TsunamiCli", args));
       install(new SystemUtcClockModule());