How to use

IOUtils

in

org.jfree.io

/**
 * Gets the singleton instance of the utility package.
 *
 * @return the singleton instance.
 */
public static IOUtils getInstance() {
  if (instance == null) {
    instance = new IOUtils();
  }
  return instance;
}

/**
 * Copies the InputStream into the OutputStream, until the end of the stream
 * has been reached. This method uses a buffer of 4096 kbyte.
 *
 * @param in the inputstream from which to read.
 * @param out the outputstream where the data is written to.
 * @throws IOException if a IOError occurs.
 */
public void copyStreams(final InputStream in, final OutputStream out)
  throws IOException {
  copyStreams(in, out, 4096);
}

/**
 * Copies the contents of the Reader into the Writer, until the end of the 
 * stream has been reached. This method uses a buffer of 4096 kbyte.
 *
 * @param in the reader from which to read.
 * @param out the writer where the data is written to.
 * @throws IOException if a IOError occurs.
 */
public void copyWriter(final Reader in, final Writer out)
  throws IOException {
  copyWriter(in, out, 4096);
}

  throw new NullPointerException("baseURL must not be null.");
if (isFileStyleProtocol(url) && isSameService(url, baseURL)) {
  final List urlName = parseName(getPath(url));
  final List baseName = parseName(getPath(baseURL));
  final String query = getQuery(url);
  if (!isPath(baseURL)) {
    baseName.remove(baseName.size() - 1);
  int commonIndex = startsWithUntil(urlName, baseName);
  if (commonIndex == 0) {
    return url.toExternalForm();
  return formatName(retval, query);

/**
 * Extracts the file name from the URL.
 *
 * @param url the url.
 * @return the extracted filename.
 */
public String getFileName(final URL url) {
  final String file = getPath(url);
  final int last = file.lastIndexOf("/");
  if (last < 0) {
    return file;
  }
  return file.substring(last + 1);
}

  throw new NullPointerException("baseURL must not be null.");
if (isFileStyleProtocol(url) && isSameService(url, baseURL)) {
  final List urlName = parseName(getPath(url));
  final List baseName = parseName(getPath(baseURL));
  final String query = getQuery(url);
  if (!isPath(baseURL)) {
    baseName.remove(baseName.size() - 1);
  int commonIndex = startsWithUntil(urlName, baseName);
  if (commonIndex == 0) {
    return url.toExternalForm();
  return formatName(retval, query);

/**
 * Extracts the file name from the URL.
 *
 * @param url the url.
 * @return the extracted filename.
 */
public String getFileName(final URL url) {
  final String file = getPath(url);
  final int last = file.lastIndexOf("/");
  if (last < 0) {
    return file;
  }
  return file.substring(last + 1);
}

  throw new NullPointerException("baseURL must not be null.");
if (isFileStyleProtocol(url) && isSameService(url, baseURL)) {
  final List urlName = parseName(getPath(url));
  final List baseName = parseName(getPath(baseURL));
  final String query = getQuery(url);
  if (!isPath(baseURL)) {
    baseName.remove(baseName.size() - 1);
  int commonIndex = startsWithUntil(urlName, baseName);
  if (commonIndex == 0) {
    return url.toExternalForm();
  return formatName(retval, query);

/**
 * Returns <code>true</code> if the URL represents a path, and 
 * <code>false</code> otherwise.
 * 
 * @param baseURL  the URL.
 * 
 * @return A boolean.
 */
private boolean isPath(final URL baseURL) {
  if (getPath(baseURL).endsWith("/")) {
    return true;
  }
  else if (baseURL.getProtocol().equals("file")) {
    final File f = new File(getPath(baseURL));
    try {
      if (f.isDirectory()) {
        return true;
      }
    }
    catch (SecurityException se) {
      // ignored ...
    }
  }
  return false;
}

/**
 * Copies the contents of the Reader into the Writer, until the end of the 
 * stream has been reached. This method uses a buffer of 4096 kbyte.
 *
 * @param in the reader from which to read.
 * @param out the writer where the data is written to.
 * @throws IOException if a IOError occurs.
 */
public void copyWriter(final Reader in, final Writer out)
  throws IOException {
  copyWriter(in, out, 4096);
}

/**
 * Gets the singleton instance of the utility package.
 *
 * @return the singleton instance.
 */
public static IOUtils getInstance() {
  if (instance == null) {
    instance = new IOUtils();
  }
  return instance;
}

/**
 * Copies the InputStream into the OutputStream, until the end of the stream
 * has been reached. This method uses a buffer of 4096 kbyte.
 *
 * @param in the inputstream from which to read.
 * @param out the outputstream where the data is written to.
 * @throws IOException if a IOError occurs.
 */
public void copyStreams(final InputStream in, final OutputStream out)
  throws IOException {
  copyStreams(in, out, 4096);
}

/**
 * Returns <code>true</code> if the URL represents a path, and 
 * <code>false</code> otherwise.
 * 
 * @param baseURL  the URL.
 * 
 * @return A boolean.
 */
private boolean isPath(final URL baseURL) {
  if (getPath(baseURL).endsWith("/")) {
    return true;
  }
  else if (baseURL.getProtocol().equals("file")) {
    final File f = new File(getPath(baseURL));
    try {
      if (f.isDirectory()) {
        return true;
      }
    }
    catch (SecurityException se) {
      // ignored ...
    }
  }
  return false;
}

/**
 * Copies the contents of the Reader into the Writer, until the end of the 
 * stream has been reached. This method uses a buffer of 4096 kbyte.
 *
 * @param in the reader from which to read.
 * @param out the writer where the data is written to.
 * @throws IOException if a IOError occurs.
 */
public void copyWriter(final Reader in, final Writer out)
  throws IOException {
  copyWriter(in, out, 4096);
}

/**
 * Gets the singleton instance of the utility package.
 *
 * @return the singleton instance.
 */
public static IOUtils getInstance() {
  if (instance == null) {
    instance = new IOUtils();
  }
  return instance;
}

/**
 * Copies the InputStream into the OutputStream, until the end of the stream
 * has been reached. This method uses a buffer of 4096 kbyte.
 *
 * @param in the inputstream from which to read.
 * @param out the outputstream where the data is written to.
 * @throws IOException if a IOError occurs.
 */
public void copyStreams(final InputStream in, final OutputStream out)
  throws IOException {
  copyStreams(in, out, 4096);
}

/**
 * Returns <code>true</code> if the URL represents a path, and 
 * <code>false</code> otherwise.
 * 
 * @param baseURL  the URL.
 * 
 * @return A boolean.
 */
private boolean isPath(final URL baseURL) {
  if (getPath(baseURL).endsWith("/")) {
    return true;
  }
  else if (baseURL.getProtocol().equals("file")) {
    final File f = new File(getPath(baseURL));
    try {
      if (f.isDirectory()) {
        return true;
      }
    }
    catch (SecurityException se) {
      // ignored ...
    }
  }
  return false;
}