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Lines 49-54
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import java.lang.ref.Reference; |
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import java.lang.ref.Reference; |
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import java.lang.ref.WeakReference; |
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import java.lang.ref.WeakReference; |
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import java.util.*; |
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import java.util.*; |
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import java.util.logging.Logger; |
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import org.netbeans.modules.masterfs.providers.ProvidedExtensions; |
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import org.netbeans.modules.masterfs.providers.ProvidedExtensions; |
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/** |
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/** |
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Lines 56-61
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*/ |
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*/ |
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public final class NamingFactory { |
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public final class NamingFactory { |
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private static final Map nameMap = new WeakHashMap(); |
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private static final Map nameMap = new WeakHashMap(); |
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private static final Logger LOG = Logger.getLogger(NamingFactory.class.getName()); |
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public static synchronized FileNaming fromFile(final File file) { |
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public static synchronized FileNaming fromFile(final File file) { |
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final LinkedList<File> list = new LinkedList<File>(); |
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final LinkedList<File> list = new LinkedList<File>(); |
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Lines 233-268
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private static List collectChildren(FileName parent) { |
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private static List collectChildren(FileName parent) { |
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assert Thread.holdsLock(NamingFactory.class); |
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assert Thread.holdsLock(NamingFactory.class); |
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long now = System.currentTimeMillis(); |
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List retval = new ArrayList(); |
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List retval = new ArrayList(); |
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Object isChild = new Object(); |
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Object isNotChild = new Object(); |
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for (Object value : nameMap.values()) { |
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for (Object value : nameMap.values()) { |
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if (value instanceof List) { |
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if (value instanceof List) { |
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for (Object item : (List) value) { |
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for (Object item : (List) value) { |
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Reference ref = (Reference) item; |
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Reference ref = (Reference) item; |
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FileNaming naming = (FileNaming) ref.get(); |
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FileName naming = (FileName) ref.get(); |
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if (isChild(parent, naming)) { |
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if (isChild(parent, naming, isChild, isNotChild)) { |
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retval.add(naming); |
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retval.add(naming); |
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} |
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} |
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} |
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} |
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} else { |
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} else { |
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Reference ref = (Reference) value; |
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Reference ref = (Reference) value; |
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FileNaming naming = (FileNaming) ref.get(); |
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FileName naming = (FileName) ref.get(); |
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if (isChild(parent, naming)) { |
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if (isChild(parent, naming, isChild, isNotChild)) { |
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retval.add(naming); |
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retval.add(naming); |
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} |
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} |
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} |
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} |
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} |
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} |
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LOG.info(retval.size() + " children for " + parent + " took " + (System.currentTimeMillis() - now + " all names: " + nameMap.size())); |
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return retval; |
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return retval; |
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} |
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} |
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private static boolean isChild(FileName parent, FileNaming naming) { |
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private static boolean isChild( |
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FileNaming temp = naming; |
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FileName parent, FileName naming, Object isChild, Object isNotChild |
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) { |
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FileName temp = naming; |
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boolean found = false; |
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while (temp != null) { |
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while (temp != null) { |
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if (temp == parent) { |
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if (temp == parent) { |
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return true; |
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found = true; |
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break; |
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} |
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} |
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temp = temp.getParent(); |
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if (temp.status == isChild) { |
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found = true; |
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break; |
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} |
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if (temp.status == isNotChild) { |
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break; |
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} |
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temp = (FileName)temp.getParent(); |
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} |
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} |
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return false; |
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FileName again = naming; |
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while (again != temp) { |
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again.status = found ? isChild : isNotChild; |
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again = (FileName)again.getParent(); |
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} |
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return found; |
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} |
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} |
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private static Reference getReference(final List list, final File f) { |
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private static Reference getReference(final List list, final File f) { |