Apache Tika和解析文档时的字符数限制

   Tika tika = new Tika();
   tika.setMaxStringLength(10*1024*1024);

ContentHandler textHandler = new BodyContentHandler();
Metadata metadata = new Metadata();
Parser parser = new AutoDetectParser();

ParseContext ps = new ParseContext();
for (InputStream is : getInputStreams()) {
    parser.parse(is, textHandler, metadata, ps);
    is.close();
    System.out.println(\"Title: \" + metadata.get(\"title\"));
    System.out.println(\"Author: \" + metadata.get(\"Author\"));
}

WriteOutContentHandler

/**
 * The maximum number of characters to write to the character stream.
 * Set to -1 for no limit.
 */
private final int writeLimit;

/**
 * Number of characters written so far.
 */
private int writeCount = 0;

private WriteOutContentHandler(Writer writer, int writeLimit) {
    this.writer = writer;
    this.writeLimit = writeLimit;
}

/**
 * Creates a content handler that writes character events to
 * the given writer.
 *
 * @param writer writer
 */
public WriteOutContentHandler(Writer writer) {
    this(writer, -1);
}