platform/lang-impl/src/com/intellij/openapi/roots/impl/FilePropertyPusher.java

   1 package com.intellij.openapi.roots.impl;
   2
   3 import com.intellij.openapi.extensions.ExtensionPointName;
   4 import com.intellij.openapi.module.Module;
   5 import com.intellij.openapi.project.Project;
   6 import com.intellij.openapi.util.Key;
   7 import com.intellij.openapi.vfs.VirtualFile;
   8 import com.intellij.util.messages.MessageBus;
   9 import org.jetbrains.annotations.NotNull;
  10 import org.jetbrains.annotations.Nullable;
  11
  12 import java.io.IOException;
  13
  14 /**
  15  * @author Gregory.Shrago
  16  */
  17 public interface FilePropertyPusher<T> {
  18   ExtensionPointName<FilePropertyPusher> EP_NAME = ExtensionPointName.create("com.intellij.filePropertyPusher");
  19
  20   void initExtra(Project project, MessageBus bus, Engine languageLevelUpdater);
  21   @NotNull
  22   Key<T> getFileDataKey();
  23   boolean pushDirectoriesOnly();
  24
  25   T getDefaultValue();
  26
  27   @Nullable
  28   T getImmediateValue(Project project, VirtualFile file);
  29
  30   @Nullable
  31   T getImmediateValue(Module module);
  32
  33   boolean acceptsFile(VirtualFile file);
  34
  35   void persistAttribute(VirtualFile fileOrDir, T value) throws IOException;
  36
  37   public interface Engine {
  38     void pushAll();
  39     void pushRecursively(final VirtualFile vile, final Project project);
  40   }
  41 }