How to use

connect

method

in

libcore.net.url.JarURLConnectionImpl

/**
 * Returns the Jar file referred by this {@code URLConnection}.
 *
 * @throws IOException
 *             thrown if an IO error occurs while connecting to the
 *             resource.
 */
@Override
public JarFile getJarFile() throws IOException {
  connect();
  return jarFile;
}

/**
 * Returns the JarEntry of the entry referenced by this {@code
 * URLConnection}.
 *
 * @return the JarEntry referenced
 *
 * @throws IOException
 *             if an IO error occurs while getting the entry
 */
@Override
public JarEntry getJarEntry() throws IOException {
  connect();
  return jarEntry;
}

/**
 * Creates an input stream for reading from this URL Connection.
 *
 * @return the input stream
 *
 * @throws IOException
 *             if an IO error occurs while connecting to the resource.
 */
@Override
public InputStream getInputStream() throws IOException {
  if (closed) {
    throw new IllegalStateException("JarURLConnection InputStream has been closed");
  }
  connect();
  if (jarInput != null) {
    return jarInput;
  }
  if (jarEntry == null) {
    throw new IOException("Jar entry not specified");
  }
  return jarInput = new JarURLConnectionInputStream(jarFile
      .getInputStream(jarEntry), jarFile);
}

/**
 * Returns the object pointed by this {@code URL}. If this URLConnection is
 * pointing to a Jar File (no Jar Entry), this method will return a {@code
 * JarFile} If there is a Jar Entry, it will return the object corresponding
 * to the Jar entry content type.
 *
 * @return a non-null object
 *
 * @throws IOException
 *             if an IO error occurred
 *
 * @see ContentHandler
 * @see ContentHandlerFactory
 * @see java.io.IOException
 * @see #setContentHandlerFactory(ContentHandlerFactory)
 */
@Override
public Object getContent() throws IOException {
  connect();
  // if there is no Jar Entry, return a JarFile
  if (jarEntry == null) {
    return jarFile;
  }
  return super.getContent();
}

/**
 * Returns the content length of the resource. Test cases reveal that if the
 * URL is referring to a Jar file, this method answers a content-length
 * returned by URLConnection. For jar entry it should return it's size.
 * Otherwise, it will return -1.
 *
 * @return the content length
 */
@Override
public int getContentLength() {
  try {
    connect();
    if (jarEntry == null) {
      return jarFileURLConnection.getContentLength();
    }
    return (int) getJarEntry().getSize();
  } catch (IOException e) {
    // Ignored
  }
  return -1;
}

} else {
  try {
    connect();
    cType = jarFileURLConnection.getContentType();
  } catch (IOException ioe) {

/**
 * Returns the Jar file referred by this {@code URLConnection}.
 *
 * @throws IOException
 *             thrown if an IO error occurs while connecting to the
 *             resource.
 */
@Override
public JarFile getJarFile() throws IOException {
  connect();
  return jarFile;
}

/**
 * Returns the Jar file referred by this {@code URLConnection}.
 *
 * @throws IOException
 *             thrown if an IO error occurs while connecting to the
 *             resource.
 */
@Override
public JarFile getJarFile() throws IOException {
  connect();
  return jarFile;
}

/**
 * Returns the Jar file referred by this {@code URLConnection}.
 *
 * @throws IOException
 *             thrown if an IO error occurs while connecting to the
 *             resource.
 */
@Override
public JarFile getJarFile() throws IOException {
  connect();
  return jarFile;
}

/**
 * Returns the Jar file referred by this {@code URLConnection}.
 *
 * @throws IOException
 *             thrown if an IO error occurs while connecting to the
 *             resource.
 */
@Override
public JarFile getJarFile() throws IOException {
  connect();
  return jarFile;
}

/**
 * Returns the Jar file referred by this {@code URLConnection}.
 *
 * @throws IOException
 *             thrown if an IO error occurs while connecting to the
 *             resource.
 */
@Override
public JarFile getJarFile() throws IOException {
  connect();
  return jarFile;
}

/**
 * Returns the Jar file referred by this {@code URLConnection}.
 *
 * @throws IOException
 *             thrown if an IO error occurs while connecting to the
 *             resource.
 */
@Override
public JarFile getJarFile() throws IOException {
  connect();
  return jarFile;
}

/**
 * Returns the JarEntry of the entry referenced by this {@code
 * URLConnection}.
 *
 * @return the JarEntry referenced
 *
 * @throws IOException
 *             if an IO error occurs while getting the entry
 */
@Override
public JarEntry getJarEntry() throws IOException {
  connect();
  return jarEntry;
}

/**
 * Returns the JarEntry of the entry referenced by this {@code
 * URLConnection}.
 *
 * @return the JarEntry referenced
 *
 * @throws IOException
 *             if an IO error occurs while getting the entry
 */
@Override
public JarEntry getJarEntry() throws IOException {
  connect();
  return jarEntry;
}

/**
 * Returns the JarEntry of the entry referenced by this {@code
 * URLConnection}.
 *
 * @return the JarEntry referenced
 *
 * @throws IOException
 *             if an IO error occurs while getting the entry
 */
@Override
public JarEntry getJarEntry() throws IOException {
  connect();
  return jarEntry;
}

/**
 * Returns the JarEntry of the entry referenced by this {@code
 * URLConnection}.
 *
 * @return the JarEntry referenced
 *
 * @throws IOException
 *             if an IO error occurs while getting the entry
 */
@Override
public JarEntry getJarEntry() throws IOException {
  connect();
  return jarEntry;
}

/**
 * Returns the JarEntry of the entry referenced by this {@code
 * URLConnection}.
 *
 * @return the JarEntry referenced
 *
 * @throws IOException
 *             if an IO error occurs while getting the entry
 */
@Override
public JarEntry getJarEntry() throws IOException {
  connect();
  return jarEntry;
}

/**
 * Returns the JarEntry of the entry referenced by this {@code
 * URLConnection}.
 *
 * @return the JarEntry referenced
 *
 * @throws IOException
 *             if an IO error occurs while getting the entry
 */
@Override
public JarEntry getJarEntry() throws IOException {
  connect();
  return jarEntry;
}

/**
 * Returns the content length of the resource. Test cases reveal that if the
 * URL is referring to a Jar file, this method answers a content-length
 * returned by URLConnection. For jar entry it should return it's size.
 * Otherwise, it will return -1.
 *
 * @return the content length
 */
@Override
public int getContentLength() {
  try {
    connect();
    if (jarEntry == null) {
      return jarFileURLConnection.getContentLength();
    }
    return (int) getJarEntry().getSize();
  } catch (IOException e) {
    // Ignored
  }
  return -1;
}

/**
 * Returns the content length of the resource. Test cases reveal that if the
 * URL is referring to a Jar file, this method answers a content-length
 * returned by URLConnection. For jar entry it should return it's size.
 * Otherwise, it will return -1.
 *
 * @return the content length
 */
@Override
public int getContentLength() {
  try {
    connect();
    if (jarEntry == null) {
      return jarFileURLConnection.getContentLength();
    }
    return (int) getJarEntry().getSize();
  } catch (IOException e) {
    // Ignored
  }
  return -1;
}