File _service:tar_scm:0003-Implement-XMvn-repository... of Package gradle

File _service:tar_scm:0003-Implement-XMvn-repository-factory-method.patch of Package gradle (Revision ed618302ddae0b61fde5d0a07ee9aeff)

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From 46e4a62a1e5e78b46a76a6d6669356de8dd51e06 Mon Sep 17 00:00:00 2001
From: Mikolaj Izdebski <mizdebsk@redhat.com>
Date: Sun, 9 Nov 2014 21:37:37 +0100
Subject: [PATCH 03/17] Implement XMvn repository factory method

---
 .../artifacts/BaseRepositoryFactory.java      |  2 +
 .../dsl/DefaultRepositoryHandler.java         |  5 ++
 .../DefaultBaseRepositoryFactory.java         | 62 +++++++++++++++++++
 3 files changed, 69 insertions(+)

diff --git a/subprojects/dependency-management/src/main/java/org/gradle/api/internal/artifacts/BaseRepositoryFactory.java b/subprojects/dependency-management/src/main/java/org/gradle/api/internal/artifacts/BaseRepositoryFactory.java
index bfcbf4f618b..760782370e5 100644
--- a/subprojects/dependency-management/src/main/java/org/gradle/api/internal/artifacts/BaseRepositoryFactory.java
+++ b/subprojects/dependency-management/src/main/java/org/gradle/api/internal/artifacts/BaseRepositoryFactory.java
@@ -43,4 +43,6 @@ public interface BaseRepositoryFactory {
     IvyArtifactRepository createIvyRepository();
 
     MavenArtifactRepository createMavenRepository();
+
+    ArtifactRepository createXMvnResolver();
 }
diff --git a/subprojects/dependency-management/src/main/java/org/gradle/api/internal/artifacts/dsl/DefaultRepositoryHandler.java b/subprojects/dependency-management/src/main/java/org/gradle/api/internal/artifacts/dsl/DefaultRepositoryHandler.java
index 1640b68a114..d1770e97352 100644
--- a/subprojects/dependency-management/src/main/java/org/gradle/api/internal/artifacts/dsl/DefaultRepositoryHandler.java
+++ b/subprojects/dependency-management/src/main/java/org/gradle/api/internal/artifacts/dsl/DefaultRepositoryHandler.java
@@ -43,6 +43,7 @@ public class DefaultRepositoryHandler extends DefaultArtifactRepositoryContainer
     public static final String FLAT_DIR_DEFAULT_NAME = "flatDir";
     private static final String MAVEN_REPO_DEFAULT_NAME = "maven";
     private static final String IVY_REPO_DEFAULT_NAME = "ivy";
+    private static final String XMVN_REPO_DEFAULT_NAME = "xmvn";
 
     private final BaseRepositoryFactory repositoryFactory;
 
@@ -112,4 +113,8 @@ public class DefaultRepositoryHandler extends DefaultArtifactRepositoryContainer
     public IvyArtifactRepository ivy(Closure closure) {
         return ivy(ConfigureUtil.configureUsing(closure));
     }
+
+    public ArtifactRepository xmvn() {
+        return addRepository(repositoryFactory.createXMvnResolver(), XMVN_REPO_DEFAULT_NAME);
+    }
 }
diff --git a/subprojects/dependency-management/src/main/java/org/gradle/api/internal/artifacts/repositories/DefaultBaseRepositoryFactory.java b/subprojects/dependency-management/src/main/java/org/gradle/api/internal/artifacts/repositories/DefaultBaseRepositoryFactory.java
index 0110370ff22..58c98f4e923 100644
--- a/subprojects/dependency-management/src/main/java/org/gradle/api/internal/artifacts/repositories/DefaultBaseRepositoryFactory.java
+++ b/subprojects/dependency-management/src/main/java/org/gradle/api/internal/artifacts/repositories/DefaultBaseRepositoryFactory.java
@@ -46,8 +46,15 @@ import org.gradle.internal.resource.local.FileStore;
 import org.gradle.internal.resource.local.LocallyAvailableResourceFinder;
 
 import java.io.File;
+import java.lang.reflect.Method;
+import java.net.MalformedURLException;
 import java.net.URI;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.Arrays;
+import java.util.LinkedHashSet;
 import java.util.Map;
+import java.util.Set;
 
 public class DefaultBaseRepositoryFactory implements BaseRepositoryFactory {
     private final LocalMavenRepositoryLocator localMavenRepositoryLocator;
@@ -171,4 +178,59 @@ public class DefaultBaseRepositoryFactory implements BaseRepositoryFactory {
             return repository.getName() + '(' + url + ')';
         }
     }
+
+    public ArtifactRepository createXMvnResolver() {
+        // Check if XMvn connector is available and inform user if it's not.
+        // This is more user-friendly as it prevents cryptic stack traces.
+        if (!new File("/usr/share/java/xmvn/xmvn-connector-gradle.jar").exists())
+            throw new RuntimeException("Local mode for Gradle is not available because XMvn Gradle connector is not installed. "
+                                       + "To use local mode you need to install gradle-local package.");
+
+        // XMvn connector for Gradle is an external library and it is not
+        // included in default Gradle classpath. Before it can be accessed
+        // we need to add its implementation JARs to current class loader.
+        /*
+        try {
+            ClassLoader classLoader = getClass().getClassLoader();
+            Set<URL> newUrls = new LinkedHashSet<URL>();
+            newUrls.add(new File("/usr/share/java/xmvn/xmvn-api.jar").toURI().toURL());
+            newUrls.add(new File("/usr/share/java/xmvn/xmvn-launcher.jar").toURI().toURL());
+            newUrls.add(new File("/usr/share/java/xmvn/xmvn-connector-gradle.jar").toURI().toURL());
+            Method getterMethod = classLoader.getClass().getMethod("getURLs");
+            Object[] currentUrls = (Object[]) getterMethod.invoke(classLoader);
+            newUrls.removeAll(Arrays.asList(currentUrls));
+            Method adderMethod = classLoader.getClass().getMethod("addURLs", Iterable.class);
+            adderMethod.invoke(classLoader, newUrls);
+        } catch (ReflectiveOperationException e) {
+            throw new RuntimeException("Unable to inject XMvn JARs to Gradle class loader", e);
+        } catch (MalformedURLException e) {
+            // Should not happen
+            throw new RuntimeException(e);
+        }
+        */
+        Class xmvnClass;
+
+        try {
+            URL[] newUrls = new URL[] {
+                new File("/usr/share/java/xmvn/xmvn-api.jar").toURI().toURL(),
+                new File("/usr/share/java/xmvn/xmvn-core.jar").toURI().toURL(),
+                new File("/usr/share/java/xmvn/xmvn-connector-gradle.jar").toURI().toURL()
+            };
+            ClassLoader classLoader = new URLClassLoader(newUrls, getClass().getClassLoader());
+            String xmvnConnectorRole = "org.fedoraproject.xmvn.connector.gradle.GradleResolver";
+            xmvnClass = classLoader.loadClass(xmvnConnectorRole);
+        } catch (ClassNotFoundException e) {
+            throw new RuntimeException("Unable to inject XMvn JARs to Gradle class loader", e);
+        } catch (MalformedURLException e) {
+            // Should not happen
+            throw new RuntimeException(e);
+        }
+
+        try {
+            return (ArtifactRepository) xmvnClass.getConstructor(MetaDataParser.class, ImmutableModuleIdentifierFactory.class, FileResourceRepository.class)
+                .newInstance(pomParser, moduleIdentifierFactory, fileResourceRepository);
+        } catch (ReflectiveOperationException e) {
+            throw new RuntimeException("Failed to inject XMvn resolver", e);
+        }
+    }
 }
-- 
2.17.2