private Set getDependencies(ProjectModel model) {
Set dependencies = new HashSet();
getDependencies(dependencies, model.getProject().getDependencySet());
return dependencies;
}
private List generateSequence(List projects) {
DefaultModelFactory factory = new DefaultModelFactory();
Repository repository = (Repository) getProject().getReference("q.project.repository");
factory.setRepository(repository);
// 1st pass: map artifacts generated from each project to a target representing their project
// files
Project tempProject = new Project();
Map targetsByArtifact = new HashMap();
Map targetsByProject = new HashMap();
List models = new ArrayList();
for (Iterator i = projects.iterator(); i.hasNext(); ) {
File projectFile = (File) i.next();
// For now, we assume the default profile will contain all dependencies
ProjectModel model =
factory.getProjectModel(
projectFile, Collections.EMPTY_LIST, true, null, new TaskLogger(this), getProject());
models.add(model);
// Create a target for each project file
Target target = new Target();
target.setName(projectFile.getAbsolutePath());
tempProject.addTarget(target);
targetsByProject.put(model.getProject().getProjectFile(), target);
// Map the artifacts to the target
for (Iterator j = model.getProject().getArtifacts().iterator(); j.hasNext(); ) {
Artifact artifact = (Artifact) j.next();
targetsByArtifact.put(artifact.getId(), target);
}
}
// 2nd pass: Process project dependencies. Where a dependency uses an artifactId found in the
// 1st pass,
// set up a dependency between the projects.
for (Iterator i = models.iterator(); i.hasNext(); ) {
ProjectModel model = (ProjectModel) i.next();
Target projectTarget = (Target) targetsByProject.get(model.getProject().getProjectFile());
Set dependencies = getDependencies(model);
// Where there is a dependency between projects, mirror it in the targets
for (Iterator j = dependencies.iterator(); j.hasNext(); ) {
RepoArtifactId id = (RepoArtifactId) j.next();
Target dependencyTarget = (Target) targetsByArtifact.get(id);
if (dependencyTarget != null) {
projectTarget.addDependency(dependencyTarget.getName());
}
}
}
// Use ANT's target dependency mechanism to produce a build sequence
String anyTarget = ((Target) targetsByArtifact.values().iterator().next()).getName();
Collection sequencedTargets = tempProject.topoSort(anyTarget, tempProject.getTargets());
// Transform targets into a list of files
List sequence = new ArrayList();
for (Iterator i = sequencedTargets.iterator(); i.hasNext(); ) {
Target seqTarget = (Target) i.next();
sequence.add(new File(seqTarget.getName()));
}
return sequence;
}
