Example usage for org.apache.commons.vfs2 FileObject exists

Introduction

In this page you can find the example usage for org.apache.commons.vfs2 FileObject exists.

Prototype

boolean exists() throws FileSystemException;

Source Link

Document

Determines if this file exists.

Usage

From source file:org.obiba.opal.web.FilesResource.java

@POST
@Path("/{path:.*}")
@Consumes("multipart/form-data")
@Produces("text/html")
@AuthenticatedByCookie//from w  w  w. j a v a 2 s.c  om
public Response uploadFile(@PathParam("path") String path, @Context UriInfo uriInfo,
        @Context HttpServletRequest request) throws FileSystemException, FileUploadException {

    String folderPath = getPathOfFileToWrite(path);
    FileObject folder = resolveFileInFileSystem(folderPath);

    if (folder == null || !folder.exists()) {
        return getPathNotExistResponse(path);
    }
    if (folder.getType() != FileType.FOLDER) {
        return Response.status(Status.FORBIDDEN).entity("Not a folder: " + path).build();
    }

    FileItem uploadedFile = getUploadedFile(request);
    if (uploadedFile == null) {
        return Response.status(Status.BAD_REQUEST).entity(
                "No file has been submitted. Please make sure that you are submitting a file with your request.")
                .build();
    }

    return doUploadFile(folderPath, folder, uploadedFile, uriInfo);
}

From source file:org.obiba.opal.web.FilesResource.java

private Response doUploadFile(String folderPath, FileObject folder, FileItem uploadedFile, UriInfo uriInfo)
        throws FileSystemException {
    String fileName = uploadedFile.getName();
    FileObject file = folder.resolveFile(fileName);
    boolean overwrite = file.exists();

    writeUploadedFileToFileSystem(uploadedFile, file);

    log.info("The following file was uploaded to Opal file system : {}", file.getURL());

    if (overwrite) {
        return Response.ok().build();
    }//ww  w.j a va 2  s.  c  om
    URI fileUri = uriInfo.getBaseUriBuilder().path(FilesResource.class).path(folderPath).path(fileName).build();
    return Response.created(fileUri)//
            .header(AuthorizationInterceptor.ALT_PERMISSIONS, new OpalPermissions(fileUri, AclAction.FILES_ALL))//
            .build();
}

From source file:org.obiba.opal.web.FilesResource.java

@Nullable
private Response validateFolder(FileObject folder, String path) throws FileSystemException {
    if (folder == null || !folder.exists()) {
        return getPathNotExistResponse(path);
    }//from   w w  w  .j  a v  a 2 s.  c  o m
    if (folder.getType() != FileType.FOLDER) {
        return Response.status(Status.FORBIDDEN).entity("Not a folder: " + path).build();
    }
    return null;
}

From source file:org.obiba.opal.web.FilesResource.java

@Nullable
private Response validateFile(FileObject file) throws FileSystemException {
    // Folder or file already exist at specified path.
    if (file.exists()) {
        return Response.status(Status.FORBIDDEN).entity("cannotCreateFolderPathAlreadyExist").build();
    }/*from  www.j  a  v a2  s  . co  m*/

    // Parent folder is read-only.
    if (!file.getParent().isWriteable()) {
        return Response.status(Status.FORBIDDEN).entity("cannotCreateFolderParentIsReadOnly").build();
    }

    return null;
}

From source file:org.obiba.opal.web.FilesResource.java

@DELETE
@Path("/{path:.*}")
public Response deleteFile(@PathParam("path") String path) throws FileSystemException {
    FileObject file = resolveFileInFileSystem(path);

    // File or folder does not exist.
    if (!file.exists()) {
        return getPathNotExistResponse(path);
    }/*from w  w  w. j a  va2s.c  o  m*/

    // Read-only file or folder.
    if (!file.isWriteable()) {
        return Response.status(Status.FORBIDDEN).entity("cannotDeleteReadOnlyFile").build();
    }

    try {
        if (file.getType() == FileType.FOLDER) {
            deleteFolder(file);
        } else {
            file.delete();
        }
        subjectAclService.deleteNodePermissions("/files/" + path);
        return Response.ok("The following file or folder has been deleted : " + path).build();
    } catch (FileSystemException couldNotDeleteFile) {
        return Response.status(Status.INTERNAL_SERVER_ERROR).entity("couldNotDeleteFileError").build();
    }
}

From source file:org.obiba.opal.web.FilesResourceTest.java

@After
public void tearDown() throws FileSystemException {
    // Delete any files created by the test.
    for (String filePath : filesCreatedByTest) {
        FileObject file = fileSystem.getRoot().resolveFile(filePath);
        if (file.exists()) {
            file.delete();/*ww  w  .  j  a  va2 s. c om*/
        }
    }
}

From source file:org.obiba.opal.web.FilesResourceTest.java

private int verifyThatChildrenExistInFileSystem(FileDto folder, int childrenCounter)
        throws FileSystemException {
    FileObject correspondingFileObj;
    int counter = childrenCounter;
    for (FileDto child : folder.getChildrenList()) {
        counter++;/*  w  w w.  j a v a2s  .  c  o  m*/
        correspondingFileObj = fileSystem.getRoot().resolveFile(child.getPath());
        assertThat(correspondingFileObj.exists()).isTrue();
        if (child.getType() == FileDto.FileType.FOLDER) {
            counter = verifyThatChildrenExistInFileSystem(child, childrenCounter);
        }
    }
    return counter;
}

From source file:org.obiba.opal.web.FilesResourceTest.java

@Test
public void testCreateFolder_CannotCreateFolderParentIsReadOnly()
        throws FileSystemException, URISyntaxException {
    expect(fileObjectMock.getType()).andReturn(FileType.FOLDER).atLeastOnce();
    expect(fileObjectMock.exists()).andReturn(true).atLeastOnce();
    FileObject childFolderMock = createMock(FileObject.class);
    expect(childFolderMock.exists()).andReturn(false).atLeastOnce();
    FileObject parentFolderMock = createMock(FileObject.class);
    expect(childFolderMock.getParent()).andReturn(parentFolderMock).atLeastOnce();
    expect(parentFolderMock.isWriteable()).andReturn(false).atLeastOnce();
    expect(fileObjectMock.resolveFile("folder")).andReturn(childFolderMock).atLeastOnce();

    replay(fileObjectMock, parentFolderMock, childFolderMock);

    Response response = getFileResource().createFolder("folder1", "folder", uriInfoMock);
    assertThat(response.getStatus()).isEqualTo(Status.FORBIDDEN.getStatusCode());
    assertThat(response.getEntity()).isEqualTo("cannotCreateFolderParentIsReadOnly");
    verify(fileObjectMock, parentFolderMock, childFolderMock);
}

From source file:org.obiba.opal.web.FilesResourceTest.java

@Test
public void testCreateFolder_FolderCreatedSuccessfully() throws FileSystemException, URISyntaxException {
    expect(fileObjectMock.getType()).andReturn(FileType.FOLDER).atLeastOnce();
    expect(fileObjectMock.exists()).andReturn(true).atLeastOnce();

    FileObject childFolderMock = createMock(FileObject.class);

    FileName fileNameMock = createMock(FileName.class);
    expect(fileNameMock.getBaseName()).andReturn("folder").atLeastOnce();
    expect(fileNameMock.getPath()).andReturn("folder1/folder").atLeastOnce();

    expect(childFolderMock.getName()).andReturn(fileNameMock).atLeastOnce();
    expect(childFolderMock.exists()).andReturn(false).atLeastOnce();

    FileContent mockContent = createMock(FileContent.class);
    expect(childFolderMock.getContent()).andReturn(mockContent).atLeastOnce();
    expect(mockContent.getLastModifiedTime()).andReturn((long) 1).atLeastOnce();

    childFolderMock.createFolder();//  ww w .  jav a2s . co m
    FileObject parentFolderMock = createMock(FileObject.class);
    expect(childFolderMock.getParent()).andReturn(parentFolderMock).atLeastOnce();
    expect(childFolderMock.isReadable()).andReturn(true).atLeastOnce();
    expect(childFolderMock.isWriteable()).andReturn(true).atLeastOnce();
    expect(parentFolderMock.isWriteable()).andReturn(true).atLeastOnce();
    expect(fileObjectMock.resolveFile("folder")).andReturn(childFolderMock).atLeastOnce();
    expect(uriInfoMock.getBaseUriBuilder()).andReturn(UriBuilder.fromPath("/"));

    replay(fileObjectMock, uriInfoMock, parentFolderMock, childFolderMock, fileNameMock, mockContent);

    Response response = getFileResource().createFolder("folder1", "folder", uriInfoMock);
    assertThat(response.getStatus()).isEqualTo(Status.CREATED.getStatusCode());
    verify(fileObjectMock, uriInfoMock, parentFolderMock, childFolderMock, fileNameMock, mockContent);
}

From source file:org.obiba.opal.web.magma.view.FileViewDtoExtension.java

@Override
public View fromDto(ViewDto viewDto, Builder viewBuilder) {
    FileViewDto fileDto = viewDto.getExtension(FileViewDto.view);
    try {/*from  w  w w.java 2 s  .co m*/
        FileObject file = opalRuntime.getFileSystem().getRoot().resolveFile(fileDto.getFilename());
        if (file.exists()) {
            try (InputStream is = file.getContent().getInputStream()) {
                return makeViewFromFile(viewBuilder, fileDto, is);
            }
        }
        throw new RuntimeException("cannot find file specified '" + fileDto.getFilename() + "'");
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}