提取Java文件中包含的字符串PoiFormatterTrace

package com.clickoo.mercury.mail.attach.ppt; import java.awt.Color; import java.awt.Dimension; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.geom.Rectangle2D; import java.awt.image.BufferedImage; import java.io.BufferedInputStream; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import javax.imageio.ImageIO; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.poi.hslf.model.Slide; import org.apache.poi.hslf.model.TextRun; import org.apache.poi.hslf.usermodel.RichTextRun; import org.apache.poi.hslf.usermodel.SlideShow; import org.apache.poi.openxml4j.exceptions.InvalidFormatException; import org.apache.poi.openxml4j.exceptions.OpenXML4JException; import org.apache.poi.xslf.XSLFSlideShow; import org.apache.poi.xslf.extractor.XSLFPowerPointExtractor; import org.apache.poi.xslf.usermodel.XMLSlideShow; import org.apache.poi.xslf.usermodel.XSLFSlide; import org.apache.xmlbeans.XmlException; public class PptExtractPicFormat{ private static final Log logger = LogFactory .getLog(PptExtractPicFormat.class); private static boolean isExistsFile(String fileName) { File file = new File(fileName); if (file.exists()) { return true; } return false; } private void formatPptImageStyle(Slide[] slide, int i) { logger.info("start ppt picrure style " + i); TextRun[] truns = slide[i].getTextRuns(); for (int k = 0; k < truns.length; k++) { RichTextRun[] rtruns = truns[k].getRichTextRuns(); for (int l = 0; l < rtruns.length; l++) { int index = rtruns[l].getFontIndex(); rtruns[l].setFontIndex(index); rtruns[l].setFontName("Microsoft YaHei"); } } } private static void addImageType(Graphics2D graphics) { graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); graphics.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC); graphics.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON); } private byte[] extractPic(String filePath) { File file = new File(filePath); if (isExistsFile(filePath)) { FileInputStream fis = null; BufferedInputStream bis = null; XMLSlideShow ppt = null; BufferedImage img = null; ByteArrayOutputStream out = null; // HSLFSlideShow hslfSlideShow = new // HSLFSlideShow(file.getAbsolutePath()); try { fis = new FileInputStream(file); bis = new BufferedInputStream(fis); XSLFSlideShow slideShow = new XSLFSlideShow( file.getAbsolutePath()); ppt = new XMLSlideShow(slideShow.getPackage()); XSLFPowerPointExtractor ppts = new XSLFPowerPointExtractor(ppt); XSLFSlide[] slide = ppt.getSlides(); Dimension pgsize = ppt.getPageSize(); int slideNumber = slide.length; // formatPptImageStyle(slide, 10); img = new BufferedImage(pgsize.width, pgsize.height, BufferedImage.TYPE_INT_RGB); Graphics2D graphics = img.createGraphics(); graphics.setPaint(Color.WHITE); addImageType(graphics); graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width, pgsize.height)); slide[slideNumber - 1].draw(graphics); ImageIO.write(img, "ppt", out); graphics.dispose(); logger.info("Extra success!!"); return out.toByteArray(); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (InvalidFormatException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (OpenXML4JException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (XmlException e) { // TODO Auto-generated catch block e.printStackTrace(); } } return null; } private byte[] extractPicFromFile(String filePath) { File file = new File(filePath); if (isExistsFile(filePath)) { FileInputStream fis = null; BufferedInputStream bis = null; SlideShow ppt = null; BufferedImage img = null; ByteArrayOutputStream out = null; try { fis = new FileInputStream(file); bis = new BufferedInputStream(fis); ppt = new SlideShow(bis); Dimension pgsize = ppt.getPageSize(); Slide[] slide = ppt.getSlides(); out = new ByteArrayOutputStream(); new ByteArrayOutputStream(); int slideNumber = slide.length; formatPptImageStyle(slide, 10); img = new BufferedImage(pgsize.width, pgsize.height, BufferedImage.TYPE_INT_RGB); Graphics2D graphics = img.createGraphics(); graphics.setPaint(Color.WHITE); addImageType(graphics); graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width, pgsize.height)); slide[slideNumber - 1].draw(graphics); ImageIO.write(img, "ppt", out); graphics.dispose(); logger.info("Extra success!!"); return out.toByteArray(); } catch (FileNotFoundException e) { logger.error("Can't find the file!" + e.getMessage()); } catch (IOException e) { logger.error("Number parse is error!" + e.getMessage()); } finally { try { if (out != null) { out.close(); } if (bis != null) { bis.close(); } if (fis != null) { fis.close(); } } catch (IOException e) { logger.error("close ppt file is error!" + e.getMessage()); } } } return null; } public static void main(String[] args) throws Exception { // String filePath = "D:\\true\\定语从句经典选择.pptx"; String filePath = "D:\\error\\415db9b201d3.ppt"; PptExtractPicFormat pepf = new PptExtractPicFormat(); byte[] byteSteam = pepf.extractPicFromFile(filePath); // byte[] byteStream = pepf.extractPic(filePath); // FileOutputStream fos = new FileOutputStream("d:\\dd.png"); // fos.write(byteSteam); } }