lang-impl/src/com/intellij/psi/impl/file/PsiFileImplUtil.java

   1 package com.intellij.psi.impl.file;
   2
   3 import com.intellij.openapi.diagnostic.Logger;
   4 import com.intellij.openapi.editor.Document;
   5 import com.intellij.openapi.fileEditor.FileDocumentManager;
   6 import com.intellij.openapi.vfs.VirtualFile;
   7 import com.intellij.psi.PsiFile;
   8 import com.intellij.psi.PsiManager;
   9 import com.intellij.psi.impl.PsiManagerImpl;
  10 import com.intellij.util.IncorrectOperationException;
  11
  12 import java.io.IOException;
  13 import java.util.ArrayList;
  14 import java.util.List;
  15
  16 public class PsiFileImplUtil {
  17   private static final Logger LOG = Logger.getInstance("#com.intellij.psi.impl.file.PsiFileImplUtil");
  18
  19   public static PsiFile setName(final PsiFile file, String newName) throws IncorrectOperationException {
  20     VirtualFile vFile = file.getViewProvider().getVirtualFile();
  21     PsiManagerImpl manager = (PsiManagerImpl)file.getManager();
  22
  23     try{
  24       final FileDocumentManager fdm = FileDocumentManager.getInstance();
  25       final Document doc = fdm.getCachedDocument(vFile);
  26       if (doc != null) {
  27         fdm.saveDocument(doc);
  28       }
  29
  30       vFile.rename(manager, newName);
  31     }
  32     catch(IOException e){
  33       throw new IncorrectOperationException(e.toString(),e);
  34     }
  35
  36     return file.getViewProvider().isPhysical() ? manager.findFile(vFile) : file;
  37   }
  38
  39   public static void checkSetName(PsiFile file, String name) throws IncorrectOperationException {
  40     VirtualFile vFile = file.getVirtualFile();
  41     VirtualFile parentFile = vFile.getParent();
  42     if (parentFile == null) return;
  43     VirtualFile child = parentFile.findChild(name);
  44     if (child != null && !child.equals(vFile)){
  45       throw new IncorrectOperationException("File " + child.getPresentableUrl() + " already exists.");
  46     }
  47   }
  48
  49   public static void doDelete(final PsiFile file) throws IncorrectOperationException {
  50     final PsiManagerImpl manager = (PsiManagerImpl)file.getManager();
  51
  52     final VirtualFile vFile = file.getVirtualFile();
  53     try{
  54       vFile.delete(manager);
  55     }
  56     catch(IOException e){
  57       throw new IncorrectOperationException(e.toString(),e);
  58     }
  59   }
  60
  61   public static PsiFile[] getPsiFilesByVirtualFiles(VirtualFile[] files, PsiManager manager) {
  62     List<PsiFile> psiFiles = new ArrayList<PsiFile>();
  63     for (VirtualFile file : files) {
  64       PsiFile psiFile = manager.findFile(file);
  65       if (psiFile != null) {
  66         psiFiles.add(psiFile);
  67       }
  68     }
  69     return psiFiles.toArray(new PsiFile[psiFiles.size()]);
  70   }
  71
  72   public static PsiFile[] getPsiFilesByVirtualFiles(List<VirtualFile> files, PsiManager manager) {
  73     List<PsiFile> psiFiles = new ArrayList<PsiFile>();
  74
  75     for (VirtualFile file : files) {
  76       PsiFile psiFile = manager.findFile(file);
  77       if (psiFile != null) {
  78         psiFiles.add(psiFile);
  79       }
  80     }
  81     return psiFiles.toArray(new PsiFile[psiFiles.size()]);
  82   }
  83 }