Added JAX-RS client finder

build.gradle

@@ -22,6 +22,7 @@ buildscript {
         nexusStagingPluginVersion = '0.20.0'
         nexusPublishPluginVersion = '0.2.0'
         sonarqubePluginVersion = '2.7'
+        jaxRsVersion = '2.1.1'
     }
     repositories (repos)
     dependencies {
@@ -63,6 +64,7 @@ dependencies {
     compile "com.lmax:disruptor:$disruptorVersion"
     compile "org.reflections:reflections:$reflectionsVersion"
     compile "org.springframework.cloud:spring-cloud-starter-openfeign:$feignVersion"
+    compile "javax.ws.rs:javax.ws.rs-api:$jaxRsVersion"
     compile "com.fasterxml.jackson.core:jackson-core:$jacksonVersion"
     compile "com.fasterxml.jackson.core:jackson-databind:$jacksonVersion"
     compile "uk.co.jemos.podam:podam:$podamVersion"
@@ -71,6 +73,7 @@ dependencies {
     annotationProcessor "org.projectlombok:lombok:$lombokVersion"
     testCompileOnly "org.projectlombok:lombok:$lombokVersion"
     testAnnotationProcessor "org.projectlombok:lombok:$lombokVersion"
+    testCompile 'org.glassfish.jersey.core:jersey-common:2.22.2'
 
     testCompile "org.codehaus.groovy:groovy-all:$groovyAllVersion"
     testCompile "org.spockframework:spock-core:$spockVersion"

src/main/java/com/hltech/pact/gen/domain/client/jaxrs/JaxRsClientsFinder.java

@@ -0,0 +1,33 @@
+package com.hltech.pact.gen.domain.client.jaxrs;
+
+import org.reflections.Reflections;
+import org.reflections.scanners.MethodAnnotationsScanner;
+
+import javax.ws.rs.Path;
+import java.lang.reflect.Method;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+public class JaxRsClientsFinder {
+
+    public Set<Class<?>> findJaxRsClients(String packageRoot) {
+        Set<Class<?>> jaxRsClients = new HashSet<>();
+        jaxRsClients.addAll(classAnnotatedClients(packageRoot));
+        jaxRsClients.addAll(methodAnnotatedClients(packageRoot));
+
+        return jaxRsClients;
+    }
+
+    private Set<Class<?>> classAnnotatedClients(String packageRoot) {
+        return new Reflections(packageRoot)
+            .getTypesAnnotatedWith(Path.class);
+    }
+
+    private Set<Class<?>> methodAnnotatedClients(String packageRoot) {
+        return new Reflections(packageRoot, new MethodAnnotationsScanner())
+            .getMethodsAnnotatedWith(Path.class).stream()
+            .map(Method::getDeclaringClass)
+            .collect(Collectors.toSet());
+    }
+}

src/test/unit/com/hltech/pact/gen/domain/client/jaxrs/JaxRsClientsFinderUT.groovy

@@ -0,0 +1,34 @@
+package com.hltech.pact.gen.domain.client.jaxrs
+
+import spock.lang.Specification
+import spock.lang.Subject
+
+class JaxRsClientsFinderUT extends Specification {
+
+    @Subject
+    private JaxRsClientsFinder finder = new JaxRsClientsFinder()
+
+    def "should find jax rs client"() {
+        when:
+            Set<Class<?>> jaxRsClients = finder.findJaxRsClients('com.hltech.pact.gen.domain.client.jaxrs.sample')
+
+        then:
+            jaxRsClients.size() == 2
+            verifyJaxRsClient(jaxRsClients, 'PathJaxRsClassAnnotatedClient')
+            verifyJaxRsClient(jaxRsClients, 'PathJaxRsMethodAnnotatedClient')
+    }
+
+    def "should not find feign clients"() {
+        when:
+            Set<Class<?>> feignClients = finder.findJaxRsClients('some.not.existing.package')
+
+        then:
+            feignClients.size() == 0
+    }
+
+    private static boolean verifyJaxRsClient(Set<Class<?>> jaxRsClients, String name) {
+        jaxRsClients.any { client ->
+            client.simpleName == name
+        }
+    }
+}

src/test/unit/com/hltech/pact/gen/domain/client/jaxrs/sample/PathJaxRsClassAnnotatedClient.java

@@ -0,0 +1,14 @@
+package com.hltech.pact.gen.domain.client.jaxrs.sample;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.core.Response;
+
+@Path(value = "/testPathGet")
+public class PathJaxRsClassAnnotatedClient {
+
+    @GET
+    public Response httpGetResponseAccepted() {
+        return Response.accepted().build();
+    }
+}

src/test/unit/com/hltech/pact/gen/domain/client/jaxrs/sample/PathJaxRsMethodAnnotatedClient.java

@@ -0,0 +1,9 @@
+package com.hltech.pact.gen.domain.client.jaxrs.sample;
+
+import javax.ws.rs.Path;
+
+public interface PathJaxRsMethodAnnotatedClient {
+
+    @Path(value = "/testPath")
+    String getTestObject();
+}