Java Code Examples for com.intellij.openapi.vfs.VfsUtil#saveText()

private static void updateFileContents(Project project, final VirtualFile vf, final File f) throws Throwable {
    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    InputStream in = null;
    try {

        in = new FileInputStream(f);

        write(in, bytes);

    } finally {

        if (in != null) {
            in.close();
        }
    }
    VfsUtil.saveText(vf, bytes.toString());

    PsiFile psiFile = PsiManager.getInstance(project).findFile(vf);
    if (psiFile != null) {
        new ReformatCodeProcessor(project, psiFile, null, false).run();
    }
}
 

@Nonnull
private static Document setupFileEditorAndDocument(@Nonnull String fileName, @Nonnull String fileText) throws IOException {
  EncodingProjectManager.getInstance(getProject()).setEncoding(null, CharsetToolkit.UTF8_CHARSET);
  EncodingProjectManager.getInstance(ProjectManager.getInstance().getDefaultProject()).setEncoding(null, CharsetToolkit.UTF8_CHARSET);
  PostprocessReformattingAspect.getInstance(ourProject).doPostponedFormatting();
  deleteVFile();
  myVFile = getSourceRoot().createChildData(null, fileName);
  VfsUtil.saveText(myVFile, fileText);
  final FileDocumentManager manager = FileDocumentManager.getInstance();
  final Document document = manager.getDocument(myVFile);
  assertNotNull("Can't create document for '" + fileName + "'", document);
  manager.reloadFromDisk(document);
  document.insertString(0, " ");
  document.deleteString(0, 1);
  myFile = getPsiManager().findFile(myVFile);
  assertNotNull("Can't create PsiFile for '" + fileName + "'. Unknown file type most probably.", myFile);
  assertTrue(myFile.isPhysical());
  myEditor = createEditor(myVFile);
  myVFile.setCharset(CharsetToolkit.UTF8_CHARSET);

  PsiDocumentManager.getInstance(getProject()).commitAllDocuments();
  return document;
}
 

public void testBookmarkManagerDoesNotHardReferenceDocuments() throws IOException {
  @NonNls String text =
    "public class Test {\n" +
    "}";

  myVFile = getSourceRoot().createChildData(null, getTestName(false) + ".txt");
  VfsUtil.saveText(myVFile, text);

  Bookmark bookmark = getManager().addTextBookmark(myVFile, 1, "xxx");
  assertNotNull(bookmark);
  LeakHunter.checkLeak(getManager(), Document.class);

  Document document = FileDocumentManager.getInstance().getDocument(myVFile);
  assertNotNull(document);

  document.insertString(0, "line 0\n");
  assertEquals(2, bookmark.getLine());

  myEditor = createEditor(myVFile);
  checkBookmarkNavigation(bookmark);
}
 

public static void setFileText(@javax.annotation.Nullable Project project, final VirtualFile virtualFile, final String text) throws IOException {
  if (project == null) {
    project = ProjectUtil.guessProjectForFile(virtualFile);
  }
  if (project != null) {
    final PsiFile psiFile = PsiManager.getInstance(project).findFile(virtualFile);
    final PsiDocumentManager psiDocumentManager = PsiDocumentManager.getInstance(project);
    final Document document = psiFile == null? null : psiDocumentManager.getDocument(psiFile);
    if (document != null) {
      document.setText(text != null ? text : "");
      psiDocumentManager.commitDocument(document);
      FileDocumentManager.getInstance().saveDocument(document);
      return;
    }
  }
  VfsUtil.saveText(virtualFile, text != null ? text : "");
  virtualFile.refresh(false, false);
}
 

private void saveHistory() {
  try {
    if (getModel().isEmpty()) return;
    if (myRootType.isHidden()) {
      saveHistoryOld();
      return;
    }
    AccessToken token = ApplicationManager.getApplication().acquireWriteActionLock(getClass());
    try {
      VirtualFile file = HistoryRootType.getInstance().findFile(null, getHistoryName(myRootType, myId), ScratchFileService.Option.create_if_missing);
      VfsUtil.saveText(file, StringUtil.join(getModel().getEntries(), myRootType.getEntrySeparator()));
    }
    finally {
      token.finish();
    }
  }
  catch (Exception ex) {
    LOG.error(ex);
  }
}
 

private static void runOrApplyFileTemplate(Project project,
                                           VirtualFile file,
                                           String templateName,
                                           Properties properties) throws IOException {
    FileTemplateManager manager = FileTemplateManager.getInstance();
    FileTemplate fileTemplate = manager.getJ2eeTemplate(templateName);
    Properties allProperties = manager.getDefaultProperties(project);
    allProperties.putAll(properties);
    String text = fileTemplate.getText(allProperties);
    Pattern pattern = Pattern.compile("\\$\\{(.*)\\}");
    Matcher matcher = pattern.matcher(text);
    StringBuffer builder = new StringBuffer();
    while (matcher.find()) {
        matcher.appendReplacement(builder, "\\$" + matcher.group(1).toUpperCase() + "\\$");
    }
    matcher.appendTail(builder);
    text = builder.toString();

    TemplateImpl template = (TemplateImpl) TemplateManager.getInstance(project).createTemplate("", "", text);
    for (int i = 0; i < template.getSegmentsCount(); i++) {
        if (i == template.getEndSegmentNumber()) continue;
        String name = template.getSegmentName(i);
        String value = "\"" + properties.getProperty(name, "") + "\"";
        template.addVariable(name, value, value, true);
    }

    VfsUtil.saveText(file, template.getTemplateText());

    PsiFile psiFile = PsiManager.getInstance(project).findFile(file);
    if (psiFile != null) {
        new ReformatCodeProcessor(project, psiFile, null, false).run();
    }

}
 

public VirtualFile createVFile(VirtualFile parentDir, String name, String text) {
  try {
    final VirtualFile virtualFile = parentDir.createChildData(this, name);
    VfsUtil.saveText(virtualFile, text + "\n");
    return virtualFile;
  }
  catch (IOException e) {
    throw new RuntimeException(e);
  }
}
 

public static void clearContent(VirtualFile file) {
  Assert.assertNotNull(file);
  try {
    VfsUtil.saveText(file, "");
  }
  catch (IOException e) {
    throw new RuntimeException(e);
  }
}
 

public void testAutoDetectTextFileFromContents() throws IOException {
  VirtualFile vFile = myFixture.getTempDirFixture().createFile("test.xxxxxxxx");
  VfsUtil.saveText(vFile, "text");

  FileType type = vFile.getFileType();
  assertEquals(UnknownFileType.INSTANCE, type);

  PsiFile psiFile = ((PsiManagerEx)PsiManager.getInstance(myFixture.getProject())).getFileManager().findFile(vFile); // autodetect text file if needed
  assertNotNull(psiFile);
  assertEquals(PlainTextFileType.INSTANCE, vFile.getFileType());
}
 

public boolean loadHistory(String id, VirtualFile consoleFile) {
  try {
    VirtualFile file = myRootType.isHidden() ? null : HistoryRootType.getInstance().findFile(null, getHistoryName(myRootType, id), ScratchFileService.Option.existing_only);
    if (file == null) {
      if (loadHistoryOld(id)) {
        if (!myRootType.isHidden()) {
          // migrate content
          AccessToken token = ApplicationManager.getApplication().acquireWriteActionLock(getClass());
          try {
            VfsUtil.saveText(consoleFile, myContent);
          }
          finally {
            token.finish();
          }
        }
        return true;
      }
      return false;
    }
    String[] split = VfsUtilCore.loadText(file).split(myRootType.getEntrySeparator());
    getModel().resetEntries(Arrays.asList(split));
    return true;
  }
  catch (Exception ignored) {
    return false;
  }
}