Example usage for java.io OutputStream close

Introduction

In this page you can find the example usage for java.io OutputStream close.

Prototype

public void close() throws IOException

Source Link

Document

Closes this output stream and releases any system resources associated with this stream.

Usage

From source file:com.carrotgarden.eclipse.fileinstall.util.ProjectUtil.java

/**
 * Extract class path resource to the file system.
 *//* w  w w .  jav a  2 s  .  com*/
public static void copyFromClasspathIntoProject(
        //
        final Class<?> klaz, //
        final String sourcePath, //
        final IProject project, //
        final String targetPath //
) throws Exception {

    final InputStream input = klaz.getResourceAsStream(sourcePath);

    final File target = file(project, targetPath);

    if (!target.exists()) {
        target.getParentFile().mkdirs();
    }

    final OutputStream output = new FileOutputStream(target);

    IOUtils.copy(input, output);

    input.close();
    output.close();

}

From source file:de.nx42.maps4cim.util.Compression.java

/**
 * Reads the first file entry in a zip file and writes it in uncompressed
 * form to the desired file./*from  w  w  w  . j av  a2s  .  com*/
 * @param zipFile the zip file to read from
 * @param dest the file to write the first zip file entry to
 * @return same as destination
 * @throws IOException if there is an error accessing the zip file or the
 * destination file
 */
public static File readFirstZipEntry(File zipFile, File dest) throws IOException {
    // open zip and get first entry
    ZipFile zf = new ZipFile(zipFile);
    Enumeration<ZipArchiveEntry> entries = zf.getEntries();
    ZipArchiveEntry entry = entries.nextElement();

    // write to file
    InputStream in = zf.getInputStream(entry);
    OutputStream out = new FileOutputStream(dest);
    ByteStreams.copy(in, out);

    // close all streams and return the new file
    in.close();
    out.close();
    zf.close();
    return dest;
}

From source file:Main.java

public static boolean copyFile(InputStream sourceFile, File destFile) throws IOException {
    OutputStream out = new FileOutputStream(destFile);
    byte[] buf = new byte[4096];
    int len;/*from w ww  . ja  v a 2  s. c  om*/
    while ((len = sourceFile.read(buf)) > 0) {
        Thread.yield();
        out.write(buf, 0, len);
    }
    out.close();
    return true;
}

From source file:Main.java

public static void copyFile(File src, File dst) throws IOException {
    if (src.isDirectory())
        throw new IOException("Source is a directory");
    InputStream in = new FileInputStream(src);
    OutputStream out = new FileOutputStream(dst);

    // Transfer bytes from in to out
    byte[] buf = new byte[1024];
    int len;//from   w w  w.  j a v  a2 s .  co  m
    while ((len = in.read(buf)) > 0) {
        out.write(buf, 0, len);
    }
    in.close();
    out.close();
}

From source file:org.jfreechart.SVGExporter.java

public static void exportChartAsSVG(JFreeChart chart, Rectangle bounds, File svgFile) throws IOException {
    // Get a DOMImplementation and create an XML document
    DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();
    Document document = domImpl.createDocument(null, "svg", null);

    // Create an instance of the SVG Generator
    SVGGraphics2D svgGenerator = new SVGGraphics2D(document);

    // draw the chart in the SVG generator
    chart.draw(svgGenerator, bounds);/*from www .  j a v  a  2s .  c o  m*/

    // Write svg file
    OutputStream outputStream = new FileOutputStream(svgFile);
    Writer out = new OutputStreamWriter(outputStream, "UTF-8");
    svgGenerator.stream(out, true /* use css */);
    outputStream.flush();
    outputStream.close();
}

From source file:com.binil.pushnotification.ServerUtil.java

/**
 * Issue a POST request to the server./*from  w  w w .  j a v a 2s.  c  o m*/
 *
 * @param endpoint POST address.
 * @param params   request parameters.
 * @throws java.io.IOException propagated from POST.
 */
private static void post(String endpoint, Map<String, Object> params) throws IOException, JSONException {

    URL url = new URL(endpoint);
    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
    urlConnection.setRequestMethod("POST");
    urlConnection.setRequestProperty("Cache-Control", "no-cache");
    urlConnection.setRequestProperty("Content-Type", "application/json;charset=utf-8");
    urlConnection.setRequestProperty("Accept-Encoding", "gzip,deflate");
    urlConnection.setRequestProperty("Accept", "*/*");

    urlConnection.setDoOutput(true);

    JSONObject json = new JSONObject(params);
    String body = json.toString();
    urlConnection.setFixedLengthStreamingMode(body.length());

    try {
        OutputStream os = urlConnection.getOutputStream();
        os.write(body.getBytes("UTF-8"));
        os.close();

    } catch (Exception e) {
        e.printStackTrace();

    } finally {
        int status = urlConnection.getResponseCode();
        String connectionMsg = urlConnection.getResponseMessage();
        urlConnection.disconnect();

        if (status != HttpURLConnection.HTTP_OK) {
            Log.wtf(TAG, connectionMsg);
            throw new IOException("Post failed with error code " + status);
        }
    }

}

From source file:com.guye.baffle.util.OS.java

public static void cpdir(File src, File dest) throws BaffleException {
    dest.mkdirs();//from  ww  w .  j a va2 s .  c o  m
    File[] files = src.listFiles();
    for (int i = 0; i < files.length; i++) {
        File file = files[i];
        File destFile = new File(dest.getPath() + File.separatorChar + file.getName());
        if (file.isDirectory()) {
            cpdir(file, destFile);
            continue;
        }
        try {
            InputStream in = new FileInputStream(file);
            OutputStream out = new FileOutputStream(destFile);
            IOUtils.copy(in, out);
            in.close();
            out.close();
        } catch (IOException ex) {
            throw new BaffleException("Could not copy file: " + file, ex);
        }
    }
}

From source file:Main.java

public static void saveByteData(byte[] bytes, File pictureFile) throws IOException {
    OutputStream output = null;
    try {/*from  www.j a v a  2 s  .c  o m*/
        output = new FileOutputStream(pictureFile);
        output.write(bytes);
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (output != null) {
            output.close();
        }
    }
}

From source file:com.streamsets.datacollector.util.UntarUtility.java

/**
 * Untar an input file into an output file. The output file is created in the output folder, having the same name as
 * the input file, minus the '.tar' extension.
 * @param inputFile the input .tar file//from   ww  w  .j  a  v a2  s  .c  om
 * @param outputDir the output directory file.
 * @throws IOException
 * @throws FileNotFoundException
 * @return The {@link List} of {@link File}s with the untared content.
 * @throws ArchiveException
 */
private static List<File> unTar(final File inputFile, final File outputDir)
        throws FileNotFoundException, IOException, ArchiveException {

    LOG.info(String.format("Untaring %s to dir %s.", inputFile.getAbsolutePath(), outputDir.getAbsolutePath()));

    final List<File> untaredFiles = new LinkedList<File>();
    final InputStream is = new FileInputStream(inputFile);
    final TarArchiveInputStream debInputStream = (TarArchiveInputStream) new ArchiveStreamFactory()
            .createArchiveInputStream("tar", is);
    TarArchiveEntry entry = null;
    while ((entry = (TarArchiveEntry) debInputStream.getNextEntry()) != null) {
        final File outputFile = new File(outputDir, entry.getName());
        if (entry.isDirectory()) {
            LOG.info(String.format("Attempting to write output directory %s.", outputFile.getAbsolutePath()));
            if (!outputFile.exists()) {
                LOG.info(String.format("Attempting to create output directory %s.",
                        outputFile.getAbsolutePath()));
                if (!outputFile.mkdirs()) {
                    throw new IllegalStateException(
                            String.format("Couldn't create directory %s.", outputFile.getAbsolutePath()));
                }
            }
        } else {
            LOG.info(String.format("Creating output file %s.", outputFile.getAbsolutePath()));
            final OutputStream outputFileStream = new FileOutputStream(outputFile);
            IOUtils.copy(debInputStream, outputFileStream);
            outputFileStream.close();
        }
        untaredFiles.add(outputFile);
    }
    debInputStream.close();

    return untaredFiles;
}

From source file:Main.java

/**
 * Copy a file.//from   ww w  .j  ava  2s. c o m
 * @param src Source file.
 * @param dst Destination file.
 * @return {@code true} if the copy succeeded, {@code false} otherwise.
 */
public static boolean copyFile(File src, File dst) {
    boolean retVal = false;
    try {
        InputStream inStream = new FileInputStream(src);
        try {
            OutputStream outStream = new FileOutputStream(dst);
            try {
                copyFile(inStream, outStream);
                retVal = true;
            } finally {
                outStream.close();
            }
        } finally {
            inStream.close();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return retVal;
}