[MRM-1567] Artifact data incomplete.

move MavenMetadataReader to a new module to avoid cyclic dependency.

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1299489 13f79535-47bb-0310-9956-ffa450edef68

archiva-modules/archiva-base/archiva-consumers/archiva-core-consumers/src/main/java/org/apache/archiva/consumers/core/repository/CleanupReleasedSnapshotsRepositoryPurge.java

@@ -27,7 +27,6 @@ import org.apache.archiva.metadata.repository.RepositorySession;
 import org.apache.archiva.repository.events.RepositoryListener;
 import org.apache.archiva.common.utils.VersionComparator;
 import org.apache.archiva.common.utils.VersionUtil;
-import org.apache.archiva.model.ArchivaArtifact;
 import org.apache.archiva.model.ArtifactReference;
 import org.apache.archiva.model.ProjectReference;
 import org.apache.archiva.model.VersionedReference;

archiva-modules/archiva-base/archiva-maven2-metadata/pom.xml

@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <artifactId>archiva-base</artifactId>
+    <groupId>org.apache.archiva</groupId>
+    <version>1.4-M3-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>archiva-maven2-metadata</artifactId>
+  <version>1.4-M3-SNAPSHOT</version>
+
+  <name>archiva-maven2-metadata</name>
+
+
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.archiva</groupId>
+      <artifactId>archiva-model</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.archiva</groupId>
+      <artifactId>archiva-xml-tools</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>commons-io</groupId>
+      <artifactId>commons-io</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <pluginManagement>
+      <plugins>
+        <plugin>
+          <artifactId>maven-compiler-plugin</artifactId>
+          <configuration>
+            <source>1.5</source>
+            <target>1.5</target>
+          </configuration>
+        </plugin>
+      </plugins>
+    </pluginManagement>
+  </build>
+</project>

archiva-modules/archiva-base/archiva-maven2-metadata/src/main/java/org/apache/archiva/maven2/metadata/MavenMetadataReader.java

@@ -0,0 +1,114 @@
+package org.apache.archiva.maven2.metadata;
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+import org.apache.archiva.model.ArchivaRepositoryMetadata;
+import org.apache.archiva.model.Plugin;
+import org.apache.archiva.model.SnapshotVersion;
+import org.apache.archiva.xml.XMLException;
+import org.apache.archiva.xml.XMLReader;
+import org.apache.commons.lang.math.NumberUtils;
+import org.dom4j.Element;
+
+import java.io.File;
+import java.util.Date;
+
+/**
+ * @author Olivier Lamy
+ * @since 1.4-M3
+ */
+public class MavenMetadataReader
+{
+    /*
+    <?xml version="1.0" encoding="UTF-8"?>
+    <metadata modelVersion="1.1.0">
+      <groupId>org.apache.archiva</groupId>
+      <artifactId>archiva</artifactId>
+      <version>1.4-M3-SNAPSHOT</version>
+      <versioning>
+        <snapshot>
+          <timestamp>20120310.230917</timestamp>
+          <buildNumber>2</buildNumber>
+        </snapshot>
+        <lastUpdated>20120310230917</lastUpdated>
+        <snapshotVersions>
+          <snapshotVersion>
+            <extension>pom</extension>
+            <value>1.4-M3-20120310.230917-2</value>
+            <updated>20120310230917</updated>
+          </snapshotVersion>
+        </snapshotVersions>
+      </versioning>
+    </metadata>
+    */
+
+    /**
+     * Read and return the {@link org.apache.archiva.model.ArchivaRepositoryMetadata} object from the provided xml file.
+     *
+     * @param metadataFile the maven-metadata.xml file to read.
+     * @return the archiva repository metadata object that represents the provided file contents.
+     * @throws XMLException
+     */
+    public static ArchivaRepositoryMetadata read( File metadataFile )
+        throws XMLException
+    {
+
+        XMLReader xml = new XMLReader( "metadata", metadataFile );
+        // invoke this to remove namespaces, see MRM-1136
+        xml.removeNamespaces();
+
+        ArchivaRepositoryMetadata metadata = new ArchivaRepositoryMetadata();
+
+        metadata.setGroupId( xml.getElementText( "//metadata/groupId" ) );
+        metadata.setArtifactId( xml.getElementText( "//metadata/artifactId" ) );
+        metadata.setVersion( xml.getElementText( "//metadata/version" ) );
+        metadata.setFileLastModified( new Date( metadataFile.lastModified() ) );
+        metadata.setFileSize( metadataFile.length() );
+
+        metadata.setLastUpdated( xml.getElementText( "//metadata/versioning/lastUpdated" ) );
+        metadata.setLatestVersion( xml.getElementText( "//metadata/versioning/latest" ) );
+        metadata.setReleasedVersion( xml.getElementText( "//metadata/versioning/release" ) );
+        metadata.setAvailableVersions( xml.getElementListText( "//metadata/versioning/versions/version" ) );
+
+        Element snapshotElem = xml.getElement( "//metadata/versioning/snapshot" );
+        if ( snapshotElem != null )
+        {
+            SnapshotVersion snapshot = new SnapshotVersion();
+            snapshot.setTimestamp( snapshotElem.elementTextTrim( "timestamp" ) );
+            String tmp = snapshotElem.elementTextTrim( "buildNumber" );
+            if ( NumberUtils.isNumber( tmp ) )
+            {
+                snapshot.setBuildNumber( NumberUtils.toInt( tmp ) );
+            }
+            metadata.setSnapshotVersion( snapshot );
+        }
+
+        for ( Element plugin : xml.getElementList( "//metadata/plugins/plugin" ) )
+        {
+            Plugin p = new Plugin();
+            p.setPrefix( plugin.elementTextTrim( "prefix" ) );
+            p.setArtifactId( plugin.elementTextTrim( "artifactId" ) );
+            p.setName( plugin.elementTextTrim( "name" ) );
+            metadata.addPlugin( p );
+        }
+
+        return metadata;
+
+    }
+}

archiva-modules/archiva-base/archiva-proxy/src/test/java/org/apache/archiva/proxy/MetadataTransferTest.java

@@ -38,7 +38,6 @@ import org.apache.archiva.repository.metadata.RepositoryMetadataWriter;
 import org.apache.maven.wagon.TransferFailedException;
 import org.custommonkey.xmlunit.DetailedDiff;
 import org.custommonkey.xmlunit.Diff;
-import org.junit.Before;
 import org.junit.Test;
 
 import java.io.File;

archiva-modules/archiva-base/archiva-repository-layer/pom.xml

@@ -53,6 +53,10 @@
       <groupId>org.apache.archiva</groupId>
       <artifactId>archiva-xml-tools</artifactId>
     </dependency>
+    <dependency>
+      <groupId>org.apache.archiva</groupId>
+      <artifactId>archiva-maven2-metadata</artifactId>
+    </dependency>
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-context</artifactId>

archiva-modules/archiva-base/archiva-repository-layer/src/main/java/org/apache/archiva/repository/metadata/RepositoryMetadataException.java

@@ -22,11 +22,12 @@ package org.apache.archiva.repository.metadata;
 import org.apache.archiva.repository.RepositoryException;
 
 /**
- * RepositoryMetadataException 
+ * RepositoryMetadataException
  *
  * @version $Id$
  */
-public class RepositoryMetadataException extends RepositoryException
+public class RepositoryMetadataException
+    extends RepositoryException
 {
 
     public RepositoryMetadataException()

archiva-modules/archiva-base/archiva-repository-layer/src/main/java/org/apache/archiva/repository/metadata/RepositoryMetadataReader.java

@@ -19,27 +19,24 @@ package org.apache.archiva.repository.metadata;
  * under the License.
  */
 
-import java.io.File;
-import java.util.Date;
-
-import org.apache.commons.lang.math.NumberUtils;
+import org.apache.archiva.maven2.metadata.MavenMetadataReader;
 import org.apache.archiva.model.ArchivaRepositoryMetadata;
-import org.apache.archiva.model.Plugin;
-import org.apache.archiva.model.SnapshotVersion;
 import org.apache.archiva.xml.XMLException;
-import org.apache.archiva.xml.XMLReader;
-import org.dom4j.Element;
+
+import java.io.File;
 
 /**
  * RepositoryMetadataReader - read maven-metadata.xml files.
  *
  * @version $Id$
+ * @deprecated use {@link MavenMetadataReader}
  */
 public class RepositoryMetadataReader
 {
+
     /**
      * Read and return the {@link ArchivaRepositoryMetadata} object from the provided xml file.
-     * 
+     *
      * @param metadataFile the maven-metadata.xml file to read.
      * @return the archiva repository metadata object that represents the provided file contents.
      * @throws RepositoryMetadataException
@@ -49,46 +46,7 @@ public class RepositoryMetadataReader
     {
         try
         {
-            XMLReader xml = new XMLReader( "metadata", metadataFile );
-            // invoke this to remove namespaces, see MRM-1136
-            xml.removeNamespaces();
-            
-            ArchivaRepositoryMetadata metadata = new ArchivaRepositoryMetadata();
-
-            metadata.setGroupId( xml.getElementText( "//metadata/groupId" ) );
-            metadata.setArtifactId( xml.getElementText( "//metadata/artifactId" ) );
-            metadata.setVersion( xml.getElementText( "//metadata/version" ) );
-            metadata.setFileLastModified( new Date( metadataFile.lastModified() ) );
-            metadata.setFileSize( metadataFile.length() );
-
-            metadata.setLastUpdated( xml.getElementText( "//metadata/versioning/lastUpdated" ) );
-            metadata.setLatestVersion( xml.getElementText( "//metadata/versioning/latest" ) );
-            metadata.setReleasedVersion( xml.getElementText( "//metadata/versioning/release" ) );
-            metadata.setAvailableVersions( xml.getElementListText( "//metadata/versioning/versions/version" ) );
-
-            Element snapshotElem = xml.getElement( "//metadata/versioning/snapshot" );
-            if ( snapshotElem != null )
-            {
-                SnapshotVersion snapshot = new SnapshotVersion();
-                snapshot.setTimestamp( snapshotElem.elementTextTrim( "timestamp" ) );
-                String tmp = snapshotElem.elementTextTrim( "buildNumber" );
-                if( NumberUtils.isNumber( tmp ))
-                {
-                    snapshot.setBuildNumber( NumberUtils.toInt( tmp ) );
-                }
-                metadata.setSnapshotVersion( snapshot );
-            }
-
-            for ( Element plugin : xml.getElementList( "//metadata/plugins/plugin" ) )
-            {
-                Plugin p = new Plugin();
-                p.setPrefix( plugin.elementTextTrim( "prefix" ) );
-                p.setArtifactId( plugin.elementTextTrim( "artifactId" ) );
-                p.setName( plugin.elementTextTrim( "name" ) );
-                metadata.addPlugin( p );
-            }
-
-            return metadata;
+            return MavenMetadataReader.read( metadataFile );
         }
         catch ( XMLException e )
         {

archiva-modules/archiva-base/archiva-repository-layer/src/main/java/org/apache/archiva/repository/metadata/RepositoryMetadataWriter.java

@@ -19,13 +19,14 @@ package org.apache.archiva.repository.metadata;
  * under the License.
  */
 
-import org.apache.commons.collections.CollectionUtils;
-import org.apache.commons.io.IOUtils;
-import org.apache.commons.lang.StringUtils;
 import org.apache.archiva.model.ArchivaRepositoryMetadata;
 import org.apache.archiva.model.Plugin;
 import org.apache.archiva.xml.XMLException;
 import org.apache.archiva.xml.XMLWriter;
+import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang.StringUtils;
 import org.dom4j.Document;
 import org.dom4j.DocumentHelper;
 import org.dom4j.Element;
@@ -36,10 +37,9 @@ import java.io.IOException;
 import java.io.Writer;
 import java.util.Iterator;
 import java.util.List;
-import org.apache.commons.io.FileUtils;
 
 /**
- * RepositoryMetadataWriter 
+ * RepositoryMetadataWriter
  *
  * @version $Id$
  */
@@ -59,15 +59,15 @@ public class RepositoryMetadataWriter
         catch ( IOException e )
         {
             thrown = true;
-            throw new RepositoryMetadataException( "Unable to write metadata file: " + outputFile.getAbsolutePath()
-                + " - " + e.getMessage(), e );
+            throw new RepositoryMetadataException(
+                "Unable to write metadata file: " + outputFile.getAbsolutePath() + " - " + e.getMessage(), e );
         }
         finally
         {
             IOUtils.closeQuietly( writer );
-            if (thrown)
+            if ( thrown )
             {
-                FileUtils.deleteQuietly(outputFile);
+                FileUtils.deleteQuietly( outputFile );
             }
         }
     }
@@ -80,14 +80,14 @@ public class RepositoryMetadataWriter
         Element root = DocumentHelper.createElement( "metadata" );
         doc.setRootElement( root );
 
-        addOptionalElementText( root, "groupId", metadata.getGroupId());
+        addOptionalElementText( root, "groupId", metadata.getGroupId() );
         addOptionalElementText( root, "artifactId", metadata.getArtifactId() );
         addOptionalElementText( root, "version", metadata.getVersion() );
 
         if ( CollectionUtils.isNotEmpty( metadata.getPlugins() ) )
         {
             Element plugins = root.addElement( "plugins" );
-            for ( Plugin plugin : (List<Plugin>)metadata.getPlugins() )
+            for ( Plugin plugin : (List<Plugin>) metadata.getPlugins() )
             {
                 Element p = plugins.addElement( "plugin" );
                 p.addElement( "prefix" ).setText( plugin.getPrefix() );
@@ -96,9 +96,8 @@ public class RepositoryMetadataWriter
             }
         }
 
-        if ( CollectionUtils.isNotEmpty( metadata.getAvailableVersions() )
-            || StringUtils.isNotBlank( metadata.getReleasedVersion() )
-            || StringUtils.isNotBlank( metadata.getLatestVersion() )
+        if ( CollectionUtils.isNotEmpty( metadata.getAvailableVersions() ) || StringUtils.isNotBlank(
+            metadata.getReleasedVersion() ) || StringUtils.isNotBlank( metadata.getLatestVersion() )
             || StringUtils.isNotBlank( metadata.getLastUpdated() ) || ( metadata.getSnapshotVersion() != null ) )
         {
             Element versioning = root.addElement( "versioning" );
@@ -113,7 +112,7 @@ public class RepositoryMetadataWriter
                 addOptionalElementText( snapshot, "buildNumber", bnum );
                 addOptionalElementText( snapshot, "timestamp", metadata.getSnapshotVersion().getTimestamp() );
             }
-            
+
             if ( CollectionUtils.isNotEmpty( metadata.getAvailableVersions() ) )
             {
                 Element versions = versioning.addElement( "versions" );

archiva-modules/archiva-base/pom.xml

@@ -16,8 +16,7 @@
   ~ KIND, either express or implied.  See the License for the
   ~ specific language governing permissions and limitations
   ~ under the License.
-  -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  --><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.archiva</groupId>
@@ -48,5 +47,6 @@
     <module>archiva-repository-scanner</module>
     <module>archiva-repository-admin</module>
     <module>archiva-security-common</module>
+    <module>archiva-maven2-metadata</module>
   </modules>
 </project>

archiva-modules/archiva-web/archiva-webapp/src/main/java/org/apache/archiva/web/action/UploadAction.java

@@ -53,7 +53,6 @@ import org.apache.archiva.repository.metadata.RepositoryMetadataReader;
 import org.apache.archiva.repository.metadata.RepositoryMetadataWriter;
 import org.apache.maven.model.Model;
 import org.apache.maven.model.io.xpp3.MavenXpp3Writer;
-import org.apache.taglibs.standard.tlv.JstlBaseTLV;
 import org.codehaus.plexus.taskqueue.TaskQueueException;
 import org.codehaus.plexus.util.IOUtil;
 import org.springframework.context.annotation.Scope;

archiva-modules/plugins/maven2-repository/pom.xml

@@ -36,6 +36,10 @@
       <groupId>org.apache.archiva</groupId>
       <artifactId>metadata-repository-api</artifactId>
     </dependency>
+    <dependency>
+      <groupId>org.apache.archiva</groupId>
+      <artifactId>archiva-maven2-metadata</artifactId>
+    </dependency>
     <dependency>
       <groupId>org.apache.archiva</groupId>
       <artifactId>problem-reports</artifactId>

archiva-modules/plugins/maven2-repository/src/main/java/org/apache/archiva/dependency/tree/maven2/DefaultDependencyTreeBuilder.java

@@ -186,8 +186,6 @@ public class DefaultDependencyTreeBuilder
             return;
         }
 
-        File basedir = new File( repository.getLocation() );
-
         try
         {
             // MRM-1411
@@ -216,7 +214,7 @@ public class DefaultDependencyTreeBuilder
             }
 
             Model model = buildProject(
-                new RepositoryModelResolver( basedir, pathTranslator, wagonFactory, remoteRepositories, networkProxies,
+                new RepositoryModelResolver( repository, pathTranslator, wagonFactory, remoteRepositories, networkProxies,
                                              repository ), groupId, artifactId, version );
 
             Map managedVersions = createManagedVersionMap( model );

archiva-modules/plugins/maven2-repository/src/main/java/org/apache/archiva/metadata/repository/storage/maven2/Maven2RepositoryStorage.java

@@ -148,11 +148,11 @@ public class Maven2RepositoryStorage
     {
         try
         {
-            ManagedRepository repositoryConfiguration = managedRepositoryAdmin.getManagedRepository( repoId );
+            ManagedRepository managedRepository = managedRepositoryAdmin.getManagedRepository( repoId );
 
             String artifactVersion = projectVersion;
 
-            File basedir = new File( repositoryConfiguration.getLocation() );
+            File basedir = new File( managedRepository.getLocation() );
             if ( VersionUtil.isSnapshot( projectVersion ) )
             {
                 File metadataFile =
@@ -234,8 +234,8 @@ public class Maven2RepositoryStorage
 
             // MRM-1411
             req.setModelResolver(
-                new RepositoryModelResolver( basedir, pathTranslator, wagonFactory, remoteRepositories, networkProxies,
-                                             repositoryConfiguration ) );
+                new RepositoryModelResolver( managedRepository, pathTranslator, wagonFactory, remoteRepositories, networkProxies,
+                                             managedRepository ) );
 
             Model model;
             try

archiva-modules/plugins/maven2-repository/src/main/java/org/apache/archiva/metadata/repository/storage/maven2/RepositoryModelResolver.java

@@ -23,8 +23,10 @@ import org.apache.archiva.admin.model.beans.ManagedRepository;
 import org.apache.archiva.admin.model.beans.NetworkProxy;
 import org.apache.archiva.admin.model.beans.RemoteRepository;
 import org.apache.archiva.common.utils.VersionUtil;
-import org.apache.archiva.configuration.RemoteRepositoryConfiguration;
+import org.apache.archiva.maven2.metadata.MavenMetadataReader;
 import org.apache.archiva.metadata.repository.storage.RepositoryPathTranslator;
+import org.apache.archiva.model.ArchivaRepositoryMetadata;
+import org.apache.archiva.model.SnapshotVersion;
 import org.apache.archiva.proxy.common.WagonFactory;
 import org.apache.archiva.proxy.common.WagonFactoryException;
 import org.apache.archiva.xml.XMLException;
@@ -72,6 +74,8 @@ public class RepositoryModelResolver
     // key/value: remote repo ID/network proxy
     Map<String, NetworkProxy> networkProxyMap;
 
+    private ManagedRepository managedRepository;
+
     public RepositoryModelResolver( File basedir, RepositoryPathTranslator pathTranslator )
     {
         this.basedir = basedir;
@@ -79,11 +83,11 @@ public class RepositoryModelResolver
         this.pathTranslator = pathTranslator;
     }
 
-    public RepositoryModelResolver( File basedir, RepositoryPathTranslator pathTranslator, WagonFactory wagonFactory,
-                                    List<RemoteRepository> remoteRepositories,
+    public RepositoryModelResolver( ManagedRepository managedRepository, RepositoryPathTranslator pathTranslator,
+                                    WagonFactory wagonFactory, List<RemoteRepository> remoteRepositories,
                                     Map<String, NetworkProxy> networkProxiesMap, ManagedRepository targetRepository )
     {
-        this( basedir, pathTranslator );
+        this( new File( managedRepository.getLocation() ), pathTranslator );
 
         this.wagonFactory = wagonFactory;
 
@@ -104,6 +108,41 @@ public class RepositoryModelResolver
 
         if ( !model.exists() )
         {
+
+            // is a SNAPSHOT ?
+            if ( StringUtils.contains( version, "SNAPSHOT" ) )
+            {
+                // reading metadata if there
+                File mavenMetadata = new File( model.getParent(), METADATA_FILENAME );
+                if ( mavenMetadata.exists() )
+                {
+                    try
+                    {
+                        ArchivaRepositoryMetadata archivaRepositoryMetadata = MavenMetadataReader.read( mavenMetadata );
+                        SnapshotVersion snapshotVersion = archivaRepositoryMetadata.getSnapshotVersion();
+                        if ( snapshotVersion != null )
+                        {
+                            String lastVersion = snapshotVersion.getTimestamp();
+                            int buildNumber = snapshotVersion.getBuildNumber();
+                            String snapshotPath =
+                                StringUtils.replaceChars( groupId, '.', '/' ) + '/' + artifactId + '/' + version + '/'
+                                    + artifactId + '-' + StringUtils.remove( version, "-SNAPSHOT" ) + '-' + lastVersion
+                                    + '-' + buildNumber + ".pom";
+                            model = new File( basedir, snapshotPath );
+                            //model = pathTranslator.toFile( basedir, groupId, artifactId, lastVersion, filename );
+                            if ( model.exists() )
+                            {
+                                return new FileModelSource( model );
+                            }
+                        }
+                    }
+                    catch ( XMLException e )
+                    {
+                        log.warn( "fail to read {}, {}", mavenMetadata.getAbsolutePath(), e.getCause() );
+                    }
+                }
+            }
+
             for ( RemoteRepository remoteRepository : remoteRepositories )
             {
                 try

archiva-modules/plugins/stage-repository-merge/src/main/java/org/apache/archiva/stagerepository/merge/Maven2RepositoryMerger.java

@@ -35,7 +35,6 @@ import org.apache.archiva.repository.metadata.RepositoryMetadataException;
 import org.apache.archiva.repository.metadata.RepositoryMetadataReader;
 import org.apache.archiva.repository.metadata.RepositoryMetadataWriter;
 import org.apache.commons.io.IOUtils;
-import org.apache.commons.lang.SystemUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Service;

pom.xml

@@ -151,6 +151,11 @@
         <artifactId>activation</artifactId>
         <version>1.1</version>
       </dependency>
+      <dependency>
+        <groupId>org.apache.archiva</groupId>
+        <artifactId>archiva-maven2-metadata</artifactId>
+        <version>${project.version}</version>
+      </dependency>
       <dependency>
         <groupId>org.apache.archiva</groupId>
         <artifactId>archiva-repository-admin-api</artifactId>