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📄 word2forrest.java

📁 抽取pdf和word文本内容的源代码
💻 JAVA
字号:
🔍 
package com.rsc.rs.util.xml;

import org.apache.poi.hwpf.HWPFDocument;

import org.apache.poi.hwpf.usermodel.*;
import org.apache.poi.hwpf.model.*;

import java.io.*;

public class Word2Forrest {
  Writer _out;
  HWPFDocument _doc;

  public Word2Forrest(HWPFDocument doc, OutputStream stream) throws IOException,
      UnsupportedEncodingException {
    OutputStreamWriter out = new OutputStreamWriter(stream, "UTF-8");
    _out = out;
    _doc = doc;

    init();
    openDocument();
    openBody();

    Range r = doc.getRange();
    StyleSheet styleSheet = doc.getStyleSheet();

    int sectionLevel = 0;
    int lenParagraph = r.numParagraphs();
    boolean inCode = false;
    for (int x = 0; x < lenParagraph; x++) {
      Paragraph p = r.getParagraph(x);
      String text = p.text();

      System.out.println("text"+x+"|"+text+"|");
      if (text.trim().length() == 0) {
        continue;
      }
      StyleDescription paragraphStyle = styleSheet.getStyleDescription(p.
          getStyleIndex());
      String styleName = paragraphStyle.getName();
      if (styleName.startsWith("Heading")) {
        if (inCode) {
          closeSource();
          inCode = false;
        }

        int headerLevel = Integer.parseInt(styleName.substring(8));
        if (headerLevel > sectionLevel) {
          openSection();
        }
        else {
          for (int y = 0; y < (sectionLevel - headerLevel) + 1; y++) {
            closeSection();
          }
          openSection();
        }
        sectionLevel = headerLevel;
        openTitle();
        writePlainText(text.trim());
        closeTitle();
      }
      else {
        int cruns = p.numCharacterRuns();
        CharacterRun run = p.getCharacterRun(0);
        String fontName = run.getFontName();
        if (fontName.startsWith("Courier")) {
          if (!inCode) {
            openSource();
            inCode = true;
          }
          writePlainText(p.text().trim());
        }
        else {
          if (inCode) {
            inCode = false;
            closeSource();
          }
          openParagraph();
          writePlainText(p.text().trim());
          closeParagraph();
        }
      }
    }
    for (int x = 0; x < sectionLevel; x++) {
      closeSection();
    }
    closeBody();
    closeDocument();
    _out.flush();

  }

  public void init() throws IOException {
    _out.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n");
    //_out.write ("<!DOCTYPE document PUBLIC \"-//APACHE//DTD Documentation V1.1//EN\" \"./dtd/document-v11.dtd\">\r\n");
  }

  public void openDocument() throws IOException {
    _out.write("<document>\r\n");
  }

  public void closeDocument() throws IOException {
    _out.write("</document>\r\n");
  }

  public void openBody() throws IOException {
    _out.write("<body>\r\n");
  }

  public void closeBody() throws IOException {
    _out.write("</body>\r\n");
  }

  public void openSection() throws IOException {
    _out.write("<section>");

  }

  public void closeSection() throws IOException {
    _out.write("</section>");

  }

  public void openTitle() throws IOException {
    _out.write("<title>");
  }

  public void closeTitle() throws IOException {
    _out.write("</title>");
  }

  public void writePlainText(String text) throws IOException {
    _out.write(text);
  }

  public void openParagraph() throws IOException {
    _out.write("<p>");
  }

  public void closeParagraph() throws IOException {
    _out.write("</p>\n");
  }

  public void openSource() throws IOException {
    _out.write("<source><![CDATA[");
  }

  public void closeSource() throws IOException {
    _out.write("]]></source>");
  }

  public static void main(String[] args) {
    try {
      OutputStream out = new FileOutputStream("c:\\test.xml");

      new Word2Forrest(new HWPFDocument(new FileInputStream(args[0])), out);
      out.close();
    }
    catch (Throwable t) {
      t.printStackTrace();
    }
    System.out.println("=="+SerialNum.get());
  }
}

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