Add support for detecting nested java archives (#77)

* with sb build app

* test nested jar support

* pin jdk version during parse test (but dont compare version)

imgbom/cataloger/java/test-fixtures/java-builds/example-sb-app/src/main/java/com/example/springboot/Application.java

@@ -0,0 +1,33 @@
+package com.example.springboot;
+
+import java.util.Arrays;
+
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.Bean;
+
+@SpringBootApplication
+public class Application {
+
+	public static void main(String[] args) {
+		SpringApplication.run(Application.class, args);
+	}
+
+	@Bean
+	public CommandLineRunner commandLineRunner(ApplicationContext ctx) {
+		return args -> {
+
+			System.out.println("Let's inspect the beans provided by Spring Boot:");
+
+			String[] beanNames = ctx.getBeanDefinitionNames();
+			Arrays.sort(beanNames);
+			for (String beanName : beanNames) {
+				System.out.println(beanName);
+			}
+
+		};
+	}
+
+}

imgbom/cataloger/java/test-fixtures/java-builds/example-sb-app/src/main/java/com/example/springboot/HelloController.java

@@ -0,0 +1,14 @@
+package com.example.springboot;
+
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@RestController
+public class HelloController {
+
+	@RequestMapping("/")
+	public String index() {
+		return "Greetings from Spring Boot!";
+	}
+
+}

imgbom/cataloger/java/test-fixtures/java-builds/example-sb-app/src/test/java/com/example/springboot/HelloControllerIT.java

@@ -0,0 +1,38 @@
+package com.example.springboot;
+
+import static org.assertj.core.api.Assertions.*;
+
+import java.net.URL;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.http.ResponseEntity;
+
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+public class HelloControllerIT {
+
+	@LocalServerPort
+	private int port;
+
+	private URL base;
+
+	@Autowired
+	private TestRestTemplate template;
+
+    @BeforeEach
+    public void setUp() throws Exception {
+        this.base = new URL("http://localhost:" + port + "/");
+    }
+
+    @Test
+    public void getHello() throws Exception {
+        ResponseEntity<String> response = template.getForEntity(base.toString(),
+                String.class);
+        assertThat(response.getBody()).isEqualTo("Greetings from Spring Boot!");
+    }
+}

imgbom/cataloger/java/test-fixtures/java-builds/example-sb-app/src/test/java/com/example/springboot/HelloControllerTest.java

@@ -0,0 +1,29 @@
+package com.example.springboot;
+
+import static org.hamcrest.Matchers.equalTo;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+
+@SpringBootTest
+@AutoConfigureMockMvc
+public class HelloControllerTest {
+
+	@Autowired
+	private MockMvc mvc;
+
+	@Test
+	public void getHello() throws Exception {
+		mvc.perform(MockMvcRequestBuilders.get("/").accept(MediaType.APPLICATION_JSON))
+				.andExpect(status().isOk())
+				.andExpect(content().string(equalTo("Greetings from Spring Boot!")));
+	}
+}