import org.apache.tomcat.util.http.fileupload.util.Closeable; //导入依赖的package包/类
/**
 * Returns an input stream, which may be used to
 * read the items contents.
 *
 * @return Opened input stream.
 * @throws IOException An I/O error occurred.
 */
@Override
public InputStream openStream() throws IOException {
    if (opened) {
        throw new IllegalStateException(
                "The stream was already opened.");
    }
    if (((Closeable) stream).isClosed()) {
        throw new FileItemStream.ItemSkippedException();
    }
    return stream;
}
 

import org.apache.tomcat.util.http.fileupload.util.Closeable; //导入依赖的package包/类
/**
 * Returns an input stream, which may be used to read the items
 * contents.
 *
 * @return Opened input stream.
 * @throws IOException
 *             An I/O error occurred.
 */
@Override
public InputStream openStream() throws IOException {
	if (opened) {
		throw new IllegalStateException("The stream was already opened.");
	}
	if (((Closeable) stream).isClosed()) {
		throw new FileItemStream.ItemSkippedException();
	}
	return stream;
}
 

import org.apache.tomcat.util.http.fileupload.util.Closeable; //导入依赖的package包/类
/**
 * Returns an input stream, which may be used to
 * read the items contents.
 * @return Opened input stream.
 * @throws IOException An I/O error occurred.
 */
@Override
public InputStream openStream() throws IOException {
    if (opened) {
        throw new IllegalStateException(
                "The stream was already opened.");
    }
    if (((Closeable) stream).isClosed()) {
        throw new FileItemStream.ItemSkippedException();
    }
    return stream;
}