runtime/org.argeo.slc.support.aether/src/main/java/org/argeo/slc/aether/AetherUtils.java

   1 package org.argeo.slc.aether;
   2
   3 import org.apache.commons.logging.Log;
   4 import org.apache.commons.logging.LogFactory;
   5 import org.sonatype.aether.artifact.Artifact;
   6 import org.sonatype.aether.graph.DependencyNode;
   7
   8 /** Utilities related to Aether */
   9 public class AetherUtils {
  10         private final static Log log = LogFactory.getLog(AetherUtils.class);
  11
  12         /** Logs a dependency node and its transitive dependencies as a tree. */
  13         public static void logDependencyNode(int depth,
  14                         DependencyNode dependencyNode) {
  15                 if (!log.isDebugEnabled())
  16                         return;
  17
  18                 StringBuffer prefix = new StringBuffer(depth * 2 + 2);
  19                 // prefix.append("|-");
  20                 for (int i = 0; i < depth * 2; i++) {
  21                         prefix.append(' ');
  22                 }
  23                 Artifact artifact = dependencyNode.getDependency().getArtifact();
  24                 log.debug(prefix + "|-> " + artifact.getArtifactId() + " ["
  25                                 + artifact.getVersion() + "]"
  26                                 + (dependencyNode.getDependency().isOptional() ? " ?" : ""));
  27                 for (DependencyNode child : dependencyNode.getChildren()) {
  28                         logDependencyNode(depth + 1, child);
  29                 }
  30         }
  31
  32 }