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Recursively gather children projects dependencies #4

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Recursively gather children projects dependencies #4

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f2abe0b
Recursively gather children projects dependencies
ugilio Jun 11, 2014
2e78e7c
Fix some NullPointerExceptions
ugilio Jun 11, 2014
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28 changes: 25 additions & 3 deletions src/main/java/lt/velykis/maven/pdetarget/AddPomDependenciesMojo.java
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@
import java.util.Collection;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

import org.apache.maven.artifact.Artifact;
Expand All @@ -33,6 +34,7 @@
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import org.apache.maven.project.MavenProject;
import org.apache.maven.shared.artifact.filter.collection.AbstractArtifactsFilter;
import org.apache.maven.shared.artifact.filter.collection.ArtifactFilterException;
import org.apache.maven.shared.artifact.filter.collection.ArtifactsFilter;
Expand Down Expand Up @@ -184,6 +186,22 @@ private void addPomDependencies(File baseDefinition, File outputXmlFile)
writeXmlFile(doc, outputXmlFile);
}

/**
* Recursively gathers project dependencies
*
* @param p The project to examine
* @param deps A set where dependencies will be added
*/
@SuppressWarnings("unchecked")
private void walkDependencies(MavenProject p, Set<Artifact> deps) {
List<MavenProject> collected = p.getCollectedProjects();
if (collected != null)
for (MavenProject sub : collected)
walkDependencies(sub, deps);
Set<Artifact> newdeps = p.getDependencyArtifacts();
if (newdeps != null)
deps.addAll(p.getDependencyArtifacts());
}

/**
* Resolves Maven project dependencies.
Expand All @@ -192,7 +210,9 @@ private void addPomDependencies(File baseDefinition, File outputXmlFile)
* @throws MojoExecutionException
*/
private Collection<Artifact> resolveDependencies() throws MojoExecutionException {
return getResolvedDependencies(true);
HashSet<Artifact> deps = new HashSet<Artifact>();
walkDependencies(project, deps);
return deps;
}


Expand All @@ -202,8 +222,10 @@ private Set<String> getArtifactDirs(Collection<? extends Artifact> artifacts)
Set<String> artifactDirs = new LinkedHashSet<String>();
for (Artifact artifact : artifacts) {
File artifactFile = artifact.getFile();
String artifactDir = artifactFile.getParentFile().getCanonicalPath();
artifactDirs.add(artifactDir);
if (artifactFile != null) {
String artifactDir = artifactFile.getParentFile().getCanonicalPath();
artifactDirs.add(artifactDir);
}
}

return artifactDirs;
Expand Down