Stuart McCulloch | d00f971 | 2009-07-13 10:06:47 +0000 | [diff] [blame^] | 1 | package aQute.bnd.build; |
| 2 | |
| 3 | import java.io.*; |
| 4 | import java.lang.ref.*; |
| 5 | import java.util.*; |
| 6 | |
| 7 | import aQute.bnd.service.action.*; |
| 8 | import aQute.lib.osgi.*; |
| 9 | |
| 10 | public class Workspace extends Processor { |
| 11 | public final static int STRATEGY_HIGHEST = 1; |
| 12 | public final static int STRATEGY_EXACT = 0; |
| 13 | public final static int STRATEGY_LOWEST = -1; |
| 14 | public static final String BUILDFILE = "build.bnd"; |
| 15 | public static final String CNFDIR = "cnf"; |
| 16 | |
| 17 | static Map<File, WeakReference<Workspace>> cache = newHashMap(); |
| 18 | final Map<String, Project> models = newHashMap(); |
| 19 | final Map<String, Action> commands = newMap(); |
| 20 | |
| 21 | /** |
| 22 | * This static method finds the workspace and creates a project (or returns |
| 23 | * an existing project) |
| 24 | * |
| 25 | * @param projectDir |
| 26 | * @return |
| 27 | */ |
| 28 | public static Project getProject(File projectDir) throws Exception { |
| 29 | projectDir = projectDir.getAbsoluteFile(); |
| 30 | assert projectDir.isDirectory(); |
| 31 | |
| 32 | Workspace ws = getWorkspace(projectDir.getParentFile()); |
| 33 | return ws.getProject(projectDir.getName()); |
| 34 | } |
| 35 | |
| 36 | public static Workspace getWorkspace(File workspaceDir) throws Exception { |
| 37 | workspaceDir = workspaceDir.getAbsoluteFile(); |
| 38 | synchronized (cache) { |
| 39 | WeakReference<Workspace> wsr = cache.get(workspaceDir); |
| 40 | Workspace ws; |
| 41 | if (wsr == null || (ws = wsr.get()) == null) { |
| 42 | ws = new Workspace(workspaceDir); |
| 43 | cache.put(workspaceDir, new WeakReference<Workspace>(ws)); |
| 44 | } |
| 45 | return ws; |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | public Workspace(File dir) throws Exception { |
| 50 | dir = dir.getAbsoluteFile(); |
| 51 | dir.mkdirs(); |
| 52 | assert dir.isDirectory(); |
| 53 | |
| 54 | File buildDir = new File(dir, CNFDIR).getAbsoluteFile(); |
| 55 | File buildFile = new File(buildDir, BUILDFILE).getAbsoluteFile(); |
| 56 | if (!buildFile.isFile()) |
| 57 | warning("No Build File in " + dir); |
| 58 | setProperties(buildFile, dir); |
| 59 | } |
| 60 | |
| 61 | public Project getProject(String bsn) throws Exception { |
| 62 | synchronized (models) { |
| 63 | Project project = models.get(bsn); |
| 64 | if (project != null) |
| 65 | return project; |
| 66 | |
| 67 | File projectDir = getFile(bsn); |
| 68 | project = new Project(this, projectDir); |
| 69 | models.put(bsn, project); |
| 70 | return project; |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | public boolean isPresent(String name) { |
| 75 | return models.containsKey(name); |
| 76 | } |
| 77 | |
| 78 | public Collection<Project> getCurrentProjects() { |
| 79 | return models.values(); |
| 80 | } |
| 81 | |
| 82 | public boolean refresh() { |
| 83 | if (super.refresh()) { |
| 84 | for (Project project : getCurrentProjects()) { |
| 85 | project.propertiesChanged(); |
| 86 | } |
| 87 | return true; |
| 88 | } |
| 89 | return false; |
| 90 | } |
| 91 | |
| 92 | public String _workspace(String args[]) { |
| 93 | return getBase().getAbsolutePath(); |
| 94 | } |
| 95 | |
| 96 | public void addCommand(String menu, Action action) { |
| 97 | commands.put(menu, action); |
| 98 | } |
| 99 | |
| 100 | public void removeCommand(String menu) { |
| 101 | commands.remove(menu); |
| 102 | } |
| 103 | |
| 104 | public void fillActions(Map<String, Action> all) { |
| 105 | all.putAll(commands); |
| 106 | } |
| 107 | |
| 108 | |
| 109 | } |