diff --git a/maven-artifact-manager/src/main/java/org/apache/maven/artifact/manager/DefaultWagonManager.java b/maven-artifact-manager/src/main/java/org/apache/maven/artifact/manager/DefaultWagonManager.java
index d166e8d129..c3991cdf8a 100644
--- a/maven-artifact-manager/src/main/java/org/apache/maven/artifact/manager/DefaultWagonManager.java
+++ b/maven-artifact-manager/src/main/java/org/apache/maven/artifact/manager/DefaultWagonManager.java
@@ -73,7 +73,7 @@ public class DefaultWagonManager
private Map serverPermissionsMap = new HashMap();
private Map mirrors = new HashMap();
-
+
private Map serverConfigurationMap = new HashMap();
private TransferListener downloadMonitor;
@@ -128,14 +128,14 @@ public class DefaultWagonManager
try
{
wagon = getWagon( protocol );
-
+
configureWagon( wagon, repository );
}
catch ( UnsupportedProtocolException e )
{
throw new TransferFailedException( "Unsupported Protocol: '" + protocol + "': " + e.getMessage(), e );
}
-
+
if ( downloadMonitor != null )
{
wagon.addTransferListener( downloadMonitor );
@@ -349,6 +349,8 @@ public class DefaultWagonManager
File temp = new File( destination + ".tmp" );
temp.deleteOnExit();
+ boolean downloaded = false;
+
try
{
wagon.connect( new Repository( repository.getId(), repository.getUrl() ),
@@ -366,51 +368,38 @@ public class DefaultWagonManager
retry = false;
// This should take care of creating destination directory now on
- wagon.get( remotePath, temp );
-
- // keep the checksum files from showing up on the download monitor...
- if ( downloadMonitor != null )
+ if ( destination.exists() )
{
- wagon.removeTransferListener( downloadMonitor );
+ downloaded = wagon.getIfNewer( remotePath, temp, destination.lastModified() );
+ }
+ else
+ {
+ wagon.get( remotePath, temp );
+ downloaded = true;
}
- // try to verify the SHA-1 checksum for this file.
- try
+ if ( downloaded )
{
- verifyChecksum( sha1ChecksumObserver, destination, temp, remotePath, ".sha1", wagon );
- }
- catch ( ChecksumFailedException e )
- {
- // if we catch a ChecksumFailedException, it means the transfer/read succeeded, but the checksum
- // doesn't match. This could be a problem with the server (ibiblio HTTP-200 error page), so we'll
- // try this up to two times. On the second try, we'll handle it as a bona-fide error, based on the
- // repository's checksum checking policy.
- if ( firstRun )
+ // keep the checksum files from showing up on the download monitor...
+ if ( downloadMonitor != null )
{
- getLogger().warn( "*** CHECKSUM FAILED - " + e.getMessage() + " - RETRYING" );
- retry = true;
+ wagon.removeTransferListener( downloadMonitor );
}
- else
- {
- handleChecksumFailure( checksumPolicy, e.getMessage(), e.getCause() );
- }
- }
- catch ( ResourceDoesNotExistException sha1TryException )
- {
- getLogger().debug( "SHA1 not found, trying MD5", sha1TryException );
- // if this IS NOT a ChecksumFailedException, it was a problem with transfer/read of the checksum
- // file...we'll try again with the MD5 checksum.
+ // try to verify the SHA-1 checksum for this file.
try
{
- verifyChecksum( md5ChecksumObserver, destination, temp, remotePath, ".md5", wagon );
+ verifyChecksum( sha1ChecksumObserver, destination, temp, remotePath, ".sha1", wagon );
}
catch ( ChecksumFailedException e )
{
- // if we also fail to verify based on the MD5 checksum, and the checksum transfer/read
- // succeeded, then we need to determine whether to retry or handle it as a failure.
+ // if we catch a ChecksumFailedException, it means the transfer/read succeeded, but the checksum
+ // doesn't match. This could be a problem with the server (ibiblio HTTP-200 error page), so we'll
+ // try this up to two times. On the second try, we'll handle it as a bona-fide error, based on the
+ // repository's checksum checking policy.
if ( firstRun )
{
+ getLogger().warn( "*** CHECKSUM FAILED - " + e.getMessage() + " - RETRYING" );
retry = true;
}
else
@@ -418,18 +407,42 @@ public class DefaultWagonManager
handleChecksumFailure( checksumPolicy, e.getMessage(), e.getCause() );
}
}
- catch ( ResourceDoesNotExistException md5TryException )
+ catch ( ResourceDoesNotExistException sha1TryException )
{
- // this was a failed transfer, and we don't want to retry.
- handleChecksumFailure( checksumPolicy, "Error retrieving checksum file for " + remotePath,
- md5TryException );
- }
- }
+ getLogger().debug( "SHA1 not found, trying MD5", sha1TryException );
- // reinstate the download monitor...
- if ( downloadMonitor != null )
- {
- wagon.addTransferListener( downloadMonitor );
+ // if this IS NOT a ChecksumFailedException, it was a problem with transfer/read of the checksum
+ // file...we'll try again with the MD5 checksum.
+ try
+ {
+ verifyChecksum( md5ChecksumObserver, destination, temp, remotePath, ".md5", wagon );
+ }
+ catch ( ChecksumFailedException e )
+ {
+ // if we also fail to verify based on the MD5 checksum, and the checksum transfer/read
+ // succeeded, then we need to determine whether to retry or handle it as a failure.
+ if ( firstRun )
+ {
+ retry = true;
+ }
+ else
+ {
+ handleChecksumFailure( checksumPolicy, e.getMessage(), e.getCause() );
+ }
+ }
+ catch ( ResourceDoesNotExistException md5TryException )
+ {
+ // this was a failed transfer, and we don't want to retry.
+ handleChecksumFailure( checksumPolicy, "Error retrieving checksum file for " + remotePath,
+ md5TryException );
+ }
+ }
+
+ // reinstate the download monitor...
+ if ( downloadMonitor != null )
+ {
+ wagon.addTransferListener( downloadMonitor );
+ }
}
// unset the firstRun flag, so we don't get caught in an infinite loop...
@@ -455,29 +468,32 @@ public class DefaultWagonManager
releaseWagon( wagon );
}
- if ( !temp.exists() )
+ if ( downloaded )
{
- throw new ResourceDoesNotExistException( "Downloaded file does not exist: " + temp );
- }
-
- // The temporary file is named destination + ".tmp" and is done this way to ensure
- // that the temporary file is in the same file system as the destination because the
- // File.renameTo operation doesn't really work across file systems.
- // So we will attempt to do a File.renameTo for efficiency and atomicity, if this fails
- // then we will use a brute force copy and delete the temporary file.
-
- if ( !temp.renameTo( destination ) )
- {
- try
+ if ( !temp.exists() )
{
- FileUtils.copyFile( temp, destination );
-
- temp.delete();
+ throw new ResourceDoesNotExistException( "Downloaded file does not exist: " + temp );
}
- catch ( IOException e )
+
+ // The temporary file is named destination + ".tmp" and is done this way to ensure
+ // that the temporary file is in the same file system as the destination because the
+ // File.renameTo operation doesn't really work across file systems.
+ // So we will attempt to do a File.renameTo for efficiency and atomicity, if this fails
+ // then we will use a brute force copy and delete the temporary file.
+
+ if ( !temp.renameTo( destination ) )
{
- throw new TransferFailedException(
- "Error copying temporary file to the final destination: " + e.getMessage(), e );
+ try
+ {
+ FileUtils.copyFile( temp, destination );
+
+ temp.delete();
+ }
+ catch ( IOException e )
+ {
+ throw new TransferFailedException(
+ "Error copying temporary file to the final destination: " + e.getMessage(), e );
+ }
}
}
}
@@ -506,8 +522,8 @@ public class DefaultWagonManager
// otherwise it is ignore
}
- private void verifyChecksum( ChecksumObserver checksumObserver, File destination, File tempDestination, String remotePath,
- String checksumFileExtension, Wagon wagon )
+ private void verifyChecksum( ChecksumObserver checksumObserver, File destination, File tempDestination,
+ String remotePath, String checksumFileExtension, Wagon wagon )
throws ResourceDoesNotExistException, TransferFailedException, AuthorizationException
{
try
@@ -543,7 +559,10 @@ public class DefaultWagonManager
if ( expectedChecksum.equals( actualChecksum ) )
{
File checksumFile = new File( destination + checksumFileExtension );
- if ( checksumFile.exists() ) checksumFile.delete();
+ if ( checksumFile.exists() )
+ {
+ checksumFile.delete();
+ }
FileUtils.copyFile( tempChecksumFile, checksumFile );
}
else
@@ -600,13 +619,13 @@ public class DefaultWagonManager
/**
* Set the proxy used for a particular protocol.
*
- * @param protocol the protocol (required)
- * @param host the proxy host name (required)
- * @param port the proxy port (required)
- * @param username the username for the proxy, or null if there is none
- * @param password the password for the proxy, or null if there is none
+ * @param protocol the protocol (required)
+ * @param host the proxy host name (required)
+ * @param port the proxy port (required)
+ * @param username the username for the proxy, or null if there is none
+ * @param password the password for the proxy, or null if there is none
* @param nonProxyHosts the set of hosts not to use the proxy for. Follows Java system
- * property format: *.foo.com|localhost.
+ * property format: *.foo.com|localhost.
* @todo [BP] would be nice to configure this via plexus in some way
*/
public void addProxy( String protocol, String host, int port, String username, String password,
@@ -698,12 +717,12 @@ public class DefaultWagonManager
{
this.interactive = interactive;
}
-
+
/**
* Applies the server configuration to the wagon
- *
- * @param wagon the wagon to configure
+ *
+ * @param wagon the wagon to configure
* @param repository the repository that has the configuration
* @throws WagonConfigurationException wraps any error given during configuration of the wagon instance
*/
@@ -724,7 +743,9 @@ public class DefaultWagonManager
}
catch ( final ComponentLookupException e )
{
- throw new WagonConfigurationException( repositoryId, "Unable to lookup wagon configurator. Wagon configuration cannot be applied.", e );
+ throw new WagonConfigurationException( repositoryId,
+ "Unable to lookup wagon configurator. Wagon configuration cannot be applied.",
+ e );
}
catch ( ComponentConfigurationException e )
{
@@ -747,7 +768,7 @@ public class DefaultWagonManager
}
}
}
-
+
public void addConfiguration( String repositoryId, Xpp3Dom configuration )
{
diff --git a/maven-artifact-manager/src/main/java/org/apache/maven/artifact/resolver/DefaultArtifactResolver.java b/maven-artifact-manager/src/main/java/org/apache/maven/artifact/resolver/DefaultArtifactResolver.java
index b8e229fdfc..e2f881f791 100644
--- a/maven-artifact-manager/src/main/java/org/apache/maven/artifact/resolver/DefaultArtifactResolver.java
+++ b/maven-artifact-manager/src/main/java/org/apache/maven/artifact/resolver/DefaultArtifactResolver.java
@@ -21,6 +21,7 @@ import org.apache.maven.artifact.factory.ArtifactFactory;
import org.apache.maven.artifact.manager.WagonManager;
import org.apache.maven.artifact.metadata.ArtifactMetadataSource;
import org.apache.maven.artifact.repository.ArtifactRepository;
+import org.apache.maven.artifact.repository.ArtifactRepositoryPolicy;
import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
import org.apache.maven.artifact.transform.ArtifactTransformationManager;
import org.apache.maven.wagon.ResourceDoesNotExistException;
@@ -32,6 +33,7 @@ import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
+import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
@@ -104,6 +106,32 @@ public class DefaultArtifactResolver
transformationManager.transformForResolve( artifact, remoteRepositories, localRepository );
File destination = artifact.getFile();
+ List repositories = remoteRepositories;
+
+ // TODO: would prefer the snapshot transformation took care of this. Maybe we need a "shouldresolve" flag.
+ if ( artifact.isSnapshot() && artifact.getBaseVersion().equals( artifact.getVersion() ) &&
+ destination.exists() )
+ {
+ Date comparisonDate = new Date( destination.lastModified() );
+
+ // cull to list of repositories that would like an update
+ repositories = new ArrayList( remoteRepositories );
+ for ( Iterator i = repositories.iterator(); i.hasNext(); )
+ {
+ ArtifactRepository repository = (ArtifactRepository) i.next();
+ ArtifactRepositoryPolicy policy = repository.getSnapshots();
+ if ( !policy.isEnabled() || !policy.checkOutOfDate( comparisonDate ) )
+ {
+ i.remove();
+ }
+ }
+
+ if ( !repositories.isEmpty() )
+ {
+ // someone wants to check for updates
+ force = true;
+ }
+ }
boolean resolved = false;
if ( !destination.exists() || force )
{
@@ -121,7 +149,7 @@ public class DefaultArtifactResolver
}
else
{
- wagonManager.getArtifact( artifact, remoteRepositories );
+ wagonManager.getArtifact( artifact, repositories );
}
if ( !artifact.isResolved() )
@@ -238,11 +266,11 @@ public class DefaultArtifactResolver
missingArtifacts.add( node.getArtifact() );
}
}
-
+
if ( missingArtifacts.size() > 0 )
{
String message = "required artifacts missing:\n";
- for( Iterator i=missingArtifacts.iterator(); i.hasNext(); )
+ for ( Iterator i = missingArtifacts.iterator(); i.hasNext(); )
{
Artifact missingArtifact = (Artifact) i.next();
message += " " + missingArtifact.getId() + "\n";