Example usage for org.apache.commons.vfs2 RandomAccessContent getInputStream

Introduction

In this page you can find the example usage for org.apache.commons.vfs2 RandomAccessContent getInputStream.

Prototype

InputStream getInputStream() throws IOException;

Source Link

Document

Get the input stream.

Usage

From source file:org.mycore.datamodel.ifs2.MCRFileTest.java

@Test
public void randomAccessContent() throws Exception {
    MCRFile file = col.createFile("foo.txt");
    byte[] content = "Hello World".getBytes("UTF-8");
    file.setContent(new MCRByteContent(content, System.currentTimeMillis()));
    RandomAccessContent rac = file.getRandomAccessContent();
    rac.skipBytes(6);//from w  w w.j  a v  a 2  s  .c  om
    InputStream in = rac.getInputStream();
    char c = (char) in.read();
    assertEquals('W', c);
    in.close();
    rac.close();
}

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From source file:pl.otros.logview.api.io.Utils.java

public static void reloadFileObject(LoadingInfo loadingInfo) throws IOException {
    loadingInfo.getFileObject().refresh();
    long lastFileSize = loadingInfo.getLastFileSize();
    long currentSize = loadingInfo.getFileObject().getContent().getSize();
    if (currentSize > lastFileSize) {
        IOUtils.closeQuietly(loadingInfo.getObserableInputStreamImpl());

        RandomAccessContent randomAccessContent = loadingInfo.getFileObject().getContent()
                .getRandomAccessContent(RandomAccessMode.READ);
        randomAccessContent.seek(lastFileSize);
        loadingInfo.setLastFileSize(currentSize);
        ObservableInputStreamImpl observableStream = new ObservableInputStreamImpl(
                randomAccessContent.getInputStream(), lastFileSize);
        loadingInfo.setObserableInputStreamImpl(observableStream);
        if (loadingInfo.isGziped()) {
            loadingInfo.setContentInputStream(new GZIPInputStream(observableStream));
        } else {//  www .ja v a 2 s .c  o  m
            loadingInfo.setContentInputStream(observableStream);
        }
    } else if (currentSize < lastFileSize) {
        IOUtils.closeQuietly(loadingInfo.getObserableInputStreamImpl());
        InputStream inputStream = loadingInfo.getFileObject().getContent().getInputStream();
        ObservableInputStreamImpl observableStream = new ObservableInputStreamImpl(inputStream, 0);
        loadingInfo.setObserableInputStreamImpl(observableStream);
        if (loadingInfo.isGziped()) {
            loadingInfo.setContentInputStream(new GZIPInputStream(observableStream));
        } else {
            loadingInfo.setContentInputStream(observableStream);
        }
        loadingInfo.setLastFileSize(loadingInfo.getFileObject().getContent().getSize());
    }

}

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From source file:pl.otros.logview.io.Utils.java

public static void reloadFileObject(LoadingInfo loadingInfo) throws IOException {
    loadingInfo.getFileObject().refresh();
    long lastFileSize = loadingInfo.getLastFileSize();
    long currentSize = loadingInfo.getFileObject().getContent().getSize();
    if (currentSize > lastFileSize) {
        IOUtils.closeQuietly(loadingInfo.getObserableInputStreamImpl());

        RandomAccessContent randomAccessContent = loadingInfo.getFileObject().getContent()
                .getRandomAccessContent(RandomAccessMode.READ);
        randomAccessContent.seek(lastFileSize);
        loadingInfo.setLastFileSize(currentSize);
        ObservableInputStreamImpl observableStream = new ObservableInputStreamImpl(
                randomAccessContent.getInputStream());
        loadingInfo.setObserableInputStreamImpl(observableStream);
        if (loadingInfo.isGziped()) {
            loadingInfo.setContentInputStream(new GZIPInputStream(observableStream));
        } else {// ww w.  j  a  v a2 s  .  co m
            loadingInfo.setContentInputStream(observableStream);
        }
    } else if (currentSize < lastFileSize) {
        IOUtils.closeQuietly(loadingInfo.getObserableInputStreamImpl());
        InputStream inputStream = loadingInfo.getFileObject().getContent().getInputStream();
        ObservableInputStreamImpl observableStream = new ObservableInputStreamImpl(inputStream);
        loadingInfo.setObserableInputStreamImpl(observableStream);
        if (loadingInfo.isGziped()) {
            loadingInfo.setContentInputStream(new GZIPInputStream(observableStream));
        } else {
            loadingInfo.setContentInputStream(observableStream);
        }
        loadingInfo.setLastFileSize(loadingInfo.getFileObject().getContent().getSize());
    }

}

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