Example usage for org.apache.commons.vfs FileObject getContent

Introduction

In this page you can find the example usage for org.apache.commons.vfs FileObject getContent.

Prototype

public FileContent getContent() throws FileSystemException;

Source Link

Document

Returns this file's content.

Usage

From source file:org.pentaho.hdfs.vfs.test.HDFSVFSTest.java

@Test
public void deleteFile() throws Exception {
    assertNotNull("FileSystemManager is null", fsManager);
    FileObject file = fsManager.resolveFile(buildHDFSURL("/junit/out.txt"));
    assertNotNull("File is null (could not resolve?)", file);
    assertEquals(FileType.IMAGINARY, file.getType());

    OutputStream output = file.getContent().getOutputStream();
    IOUtils.write(HELLO_HADOOP_STR, output);
    IOUtils.closeQuietly(output);//from  ww w.j  av a 2  s.c  o m
    assertEquals(FileType.FILE, file.getType());

    String fileStr = IOUtils.toString(file.getContent().getInputStream(), "UTF-8");
    assertEquals(HELLO_HADOOP_STR, fileStr);
    file.delete();

    file = fsManager.resolveFile(buildHDFSURL("/junit/out.txt"));
    assertEquals(FileType.IMAGINARY, file.getType());
}

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From source file:org.pentaho.hdfs.vfs.test.HDFSVFSTest.java

@Test
public void renameFile() throws Exception {
    assertNotNull("FileSystemManager is null", fsManager);

    FileObject file = fsManager.resolveFile(buildHDFSURL("/junit/name.txt"));
    assertNotNull("File is null (could not resolve?)", file);
    assertEquals(FileType.IMAGINARY, file.getType());

    OutputStream output = file.getContent().getOutputStream();
    IOUtils.write(HELLO_HADOOP_STR, output);
    IOUtils.closeQuietly(output);/*from w w  w .  j a  va 2 s.  c  o m*/
    assertEquals(FileType.FILE, file.getType());

    FileObject renamedFile = fsManager.resolveFile(buildHDFSURL("/junit/renamed.txt"));
    assertNotNull("File is null (could not resolve?)", renamedFile);
    assertEquals(FileType.IMAGINARY, renamedFile.getType());

    file.moveTo(renamedFile);
    renamedFile = fsManager.resolveFile(buildHDFSURL("/junit/renamed.txt"));
    assertNotNull("File is null (could not resolve?)", renamedFile);
    assertEquals(FileType.FILE, renamedFile.getType());
    assertEquals(true, renamedFile.delete());
}

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From source file:org.pentaho.hdfs.vfs.test.HDFSVFSTest.java

@Test
public void listChildren() throws Exception {
    assertNotNull("FileSystemManager is null", fsManager);

    FileObject folder = fsManager.resolveFile(buildHDFSURL("/junit/folder"));
    assertNotNull("File is null (could not resolve?)", folder);
    assertEquals(FileType.IMAGINARY, folder.getType());
    folder.createFolder();//w  ww. j ava  2 s  . co m

    folder = fsManager.resolveFile(buildHDFSURL("/junit/folder"));
    assertEquals(FileType.FOLDER, folder.getType());

    FileObject child1 = fsManager.resolveFile(buildHDFSURL("/junit/folder/child1.txt"));
    assertNotNull("File is null (could not resolve?)", child1);
    OutputStream output = child1.getContent().getOutputStream();
    IOUtils.write(HELLO_HADOOP_STR, output);
    IOUtils.closeQuietly(output);
    String fileStr = IOUtils.toString(child1.getContent().getInputStream(), "UTF-8");
    assertEquals(HELLO_HADOOP_STR, fileStr);

    FileObject child2 = fsManager.resolveFile(buildHDFSURL("/junit/folder/child2.txt"));
    assertNotNull("File is null (could not resolve?)", child2);
    output = child2.getContent().getOutputStream();
    IOUtils.write(HELLO_HADOOP_STR, output);
    IOUtils.closeQuietly(output);
    fileStr = IOUtils.toString(child2.getContent().getInputStream(), "UTF-8");
    assertEquals(HELLO_HADOOP_STR, fileStr);

    FileObject[] children = folder.getChildren();
    assertEquals(2, children.length);
    assertEquals("/junit/folder/child1.txt", children[0].getName().getPath());
    assertEquals("/junit/folder/child2.txt", children[1].getName().getPath());

    child1.delete();
    child2.delete();
    folder.delete();
}

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From source file:org.pentaho.platform.plugin.outputs.ApacheVFSOutputHandler.java

@Override
public IContentItem getFileOutputContentItem() {

    String contentRef = getContentRef();
    try {/*from   w  w w .j a v a  2s  .  c  o  m*/
        String contentName = getHandlerId().substring(4) + ":" + contentRef; //$NON-NLS-1$
        FileSystemManager fsManager = VFS.getManager();
        if (fsManager == null) {
            Logger.error(ApacheVFSOutputHandler.class.getName(),
                    Messages.getInstance().getString("ApacheVFSOutputHandler.ERROR_0001_CANNOT_GET_VFSMGR")); //$NON-NLS-1$
            return null;
        }
        FileObject file = fsManager.resolveFile(contentName);
        if (file == null) {
            Logger.error(ApacheVFSOutputHandler.class.getName(), Messages.getInstance()
                    .getString("ApacheVFSOutputHandler.ERROR_0002_CANNOT_GET_VF", contentName)); //$NON-NLS-1$
            return null;
        }
        if (!file.isWriteable()) {
            Logger.error(ApacheVFSOutputHandler.class.getName(), Messages.getInstance()
                    .getString("ApacheVFSOutputHandler.ERROR_0003_CANNOT_WRITE", contentName)); //$NON-NLS-1$
            return null;
        }
        FileContent fileContent = file.getContent();
        if (fileContent == null) {
            Logger.error(ApacheVFSOutputHandler.class.getName(), Messages.getInstance()
                    .getString("ApacheVFSOutputHandler.ERROR_0004_CANNOT_GET_CTX", contentName)); //$NON-NLS-1$
            return null;
        }
        OutputStream outputStream = fileContent.getOutputStream();

        SimpleContentItem content = new SimpleContentItem(outputStream);
        return content;
    } catch (Throwable t) {
        Logger.error(ApacheVFSOutputHandler.class.getName(), Messages.getInstance()
                .getString("ApacheVFSOutputHandler.ERROR_0005_CANNOT_GET_HANDLER", contentRef), t); //$NON-NLS-1$
    }

    return null;
}

---

From source file:org.pentaho.s3.S3Test.java

@Test
public void readFile() throws Exception {
    assertNotNull("FileSystemManager is null", fsManager);

    FileObject bucket = fsManager.resolveFile(buildS3URL("/mdamour_read_file_bucket_test"));
    bucket.createFolder();//www  . jav a  2  s .  co  m

    FileObject s3FileOut = fsManager.resolveFile(buildS3URL("/mdamour_read_file_bucket_test/writeFileTest"));
    OutputStream out = s3FileOut.getContent().getOutputStream();
    out.write(HELLO_S3_STR.getBytes("UTF-8"));
    out.close();

    ByteArrayOutputStream testOut = new ByteArrayOutputStream();
    IOUtils.copy(s3FileOut.getContent().getInputStream(), testOut);
    assertEquals(HELLO_S3_STR.getBytes().length, testOut.toByteArray().length);
    assertEquals(new String(HELLO_S3_STR.getBytes("UTF-8"), "UTF-8"),
            new String(testOut.toByteArray(), "UTF-8"));

    bucket.delete(deleteFileSelector);
    assertEquals(false, bucket.exists());
}

---

From source file:org.pentaho.s3.S3Test.java

@Test
public void writeFile() throws Exception {
    assertNotNull("FileSystemManager is null", fsManager);

    FileObject bucket = fsManager.resolveFile(buildS3URL("/mdamour_write_file_bucket_test"));
    bucket.createFolder();/*  ww w.j  a v a 2s . c  o m*/

    FileObject s3FileOut = fsManager.resolveFile(buildS3URL("/mdamour_write_file_bucket_test/writeFileTest"));
    OutputStream out = s3FileOut.getContent().getOutputStream();
    out.write(HELLO_S3_STR.getBytes());
    out.close();

    IOUtils.copy(s3FileOut.getContent().getInputStream(), System.out);

    bucket.delete(deleteFileSelector);
    assertEquals(false, bucket.exists());
}

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From source file:org.pentaho.s3.S3Test.java

@Test
public void deleteFileAndFolder() throws Exception {
    assertNotNull("FileSystemManager is null", fsManager);

    FileObject bucket = fsManager.resolveFile(buildS3URL("/pentaho_pks_bucket_test"));
    bucket.createFolder();//from   www  .  jav  a  2  s  .  co  m

    FileObject file1 = fsManager.resolveFile(buildS3URL("/pentaho_pks_bucket_test/file1"));
    OutputStream out1 = file1.getContent().getOutputStream();
    out1.write(HELLO_S3_STR.getBytes());
    out1.close();

    FileObject folder1 = fsManager.resolveFile(buildS3URL("/pentaho_pks_bucket_test/folder1"));
    folder1.createFolder();

    FileObject s3FileOut2 = fsManager.resolveFile(buildS3URL("/pentaho_pks_bucket_test/folder1/file2"));
    OutputStream out2 = s3FileOut2.getContent().getOutputStream();
    out2.write(HELLO_S3_STR.getBytes());
    out2.close();

    FileObject folder2 = fsManager.resolveFile(buildS3URL("/pentaho_pks_bucket_test/folder2"));
    folder2.createFolder();

    FileObject folder3 = fsManager.resolveFile(buildS3URL("/pentaho_pks_bucket_test/folder1/folder3"));
    folder3.createFolder();

    file1.delete(deleteFileSelector); // Delete a file.
    assertEquals(false, file1.exists());

    folder1.delete(deleteFileSelector); // Delete a non-empty folder.
    assertEquals(false, folder1.exists());

    folder1.createFolder();
    folder1.delete(deleteFileSelector); // Delete an empty folder.
    assertEquals(false, folder1.exists());

    bucket.delete(deleteFileSelector); // Delete a bucket
    assertEquals(false, bucket.exists());
}

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From source file:org.pentaho.s3.S3Test.java

@Test
public void lastModifiedDate() throws Exception {
    assertNotNull("FileSystemManager is null", fsManager);

    FileObject bucket = fsManager.resolveFile(buildS3URL("/mdamour_last_modified_bucket_test"));
    assertEquals(false, bucket.exists());
    bucket.createFolder();//from  w  w w .  j ava2 s  .c  o m
    assertEquals(true, bucket.exists());
    assertTrue(bucket.getContent().getLastModifiedTime() == -1);

    long before = System.currentTimeMillis();
    FileObject s3FileOut = fsManager.resolveFile(buildS3URL("/mdamour_last_modified_bucket_test/file01"));
    OutputStream out = s3FileOut.getContent().getOutputStream();
    out.write(HELLO_S3_STR.getBytes());
    out.close();

    long lastMod = s3FileOut.getContent().getLastModifiedTime();

    assertTrue(lastMod >= before);

    bucket.delete(deleteFileSelector);
    assertEquals(false, bucket.exists());
}

---

From source file:org.pentaho.s3.S3Test.java

@Test
public void listChildren() throws Exception {
    assertNotNull("FileSystemManager is null", fsManager);

    FileObject bucket = fsManager.resolveFile(buildS3URL("/mdamour_list_children_test"));
    // assertEquals(false, bucket.exists());
    bucket.createFolder();/*from  w w  w . j av a2 s  .c  o  m*/
    assertEquals(true, bucket.exists());

    FileObject s3FileOut = fsManager.resolveFile(buildS3URL("/mdamour_list_children_test/child01"));
    s3FileOut.createFile();
    OutputStream out = s3FileOut.getContent().getOutputStream();
    out.write(HELLO_S3_STR.getBytes());
    out.close();

    s3FileOut = fsManager.resolveFile(buildS3URL("/mdamour_list_children_test/child02"));
    s3FileOut.createFile();
    out = s3FileOut.getContent().getOutputStream();
    out.write(HELLO_S3_STR.getBytes());
    out.close();

    s3FileOut = fsManager.resolveFile(buildS3URL("/mdamour_list_children_test/child03"));
    s3FileOut.createFile();
    out = s3FileOut.getContent().getOutputStream();
    out.write(HELLO_S3_STR.getBytes());
    out.close();

    bucket = fsManager.resolveFile(buildS3URL("/mdamour_list_children_test"));
    printFileObject(bucket, 0);

    bucket.delete(deleteFileSelector);
    assertEquals(false, bucket.exists());
}

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From source file:org.pentaho.s3.S3TestIntegration.java

@Test
public void createDeleteRecursive() throws Exception {
    assertNotNull("FileSystemManager is null", fsManager);

    FileObject bucket = fsManager.resolveFile(buildS3URL("/mdamour_create_delete_test"));
    // assertEquals(false, bucket.exists());
    bucket.createFolder();//from  www. j a  v  a2s .  c  o m
    assertEquals(true, bucket.exists());

    FileObject s3FileOut = fsManager.resolveFile(buildS3URL("/mdamour_create_delete_test/folder1/folder11"));
    s3FileOut.createFolder();
    assertEquals(true, s3FileOut.exists());

    s3FileOut = fsManager.resolveFile(buildS3URL("/mdamour_create_delete_test/folder1/child"));
    s3FileOut.createFile();
    OutputStream out = s3FileOut.getContent().getOutputStream();
    out.write(HELLO_S3_STR.getBytes());
    out.close();

    s3FileOut = fsManager.resolveFile(buildS3URL("/mdamour_create_delete_test/folder2/child"));
    s3FileOut.createFile();
    out = s3FileOut.getContent().getOutputStream();
    out.write(HELLO_S3_STR.getBytes());
    out.close();

    bucket = fsManager.resolveFile(buildS3URL("/mdamour_create_delete_test"));
    printFileObject(bucket, 0);

    FileObject parentFolder1 = fsManager.resolveFile(buildS3URL("/mdamour_create_delete_test/folder1"));
    parentFolder1.delete(deleteFileSelector);
    assertEquals(false, parentFolder1.exists());

    bucket = fsManager.resolveFile(buildS3URL("/mdamour_create_delete_test"));
    printFileObject(bucket, 0);

    bucket.delete(deleteFileSelector);
    assertEquals(false, bucket.exists());
}

---

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