TIF轉PDF格式以及相關壓縮ZIP包（詳細內容看代碼）

/* ****************************************************************************
 * Author..:humingfeng
 * ****************************************************************************
 * 
 * Purpose.:Utility class to convert PDF documents to TIF images
 *          
 * ****************************************************************************
 */

import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.awt.image.Raster;
import java.awt.image.RenderedImage;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;


import javax.imageio.ImageIO;
import javax.imageio.stream.ImageInputStream;
import javax.media.jai.JAI;
import javax.media.jai.NullOpImage;
import javax.media.jai.OpImage;
import javax.media.jai.PlanarImage;
import javax.media.jai.RenderedOp;
import javax.media.jai.TileCache;


import org.apache.log4j.Logger;
import org.icepdf.core.exceptions.PDFException;
import org.icepdf.core.exceptions.PDFSecurityException;
import org.icepdf.core.pobjects.Document;
import org.icepdf.core.pobjects.PDimension;
import org.icepdf.core.pobjects.Page;
import org.icepdf.core.util.GraphicsRenderingHints;


import com.lowagie.text.Image;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfWriter;
import com.sun.media.jai.codec.FileSeekableStream;
import com.sun.media.jai.codec.ImageCodec;
import com.sun.media.jai.codec.ImageDecoder;
import com.sun.media.jai.codec.ImageEncoder;
import com.sun.media.jai.codec.SeekableStream;
import com.sun.media.jai.codec.TIFFDecodeParam;
import com.sun.media.jai.codec.TIFFDirectory;
import com.sun.media.jai.codec.TIFFEncodeParam;
import com.sun.media.jai.codecimpl.TIFFImageDecoder;


/**
 * Utility class to convert PDF documents to TIF images 
 * 
 * @author Pedro J Rivera
 * 
 */
public class TIFConvertPDF extends TIFConvert {
/**
*/
private static final int PDF_DPI = 72;
private static Logger log = Logger.getLogger(TIFConvertPDF.class);


/**
* Convert PDF to a TIF and save to file
* @param pdf
* @param tif
* @return
*/
protected static void convert(String pdf, String tif) 
throws PDFException, PDFSecurityException, IOException {
convert(pdf, tif, DEFAULT_DPI, DEFAULT_COLOR, COMPRESSION_CCITT_T_6, DEFAULT_COMPRESSION_QUALITY);
}

/**
* Convert PDF to a ZIP which include TIF
* @param pdfInputStream * @return byte[] */ protected static byte[] convert(InputStream pdfInputStream) { byte[] data = null; try { data = convert(pdfInputStream, DEFAULT_DPI, DEFAULT_COLOR, COMPRESSION_CCITT_T_6, DEFAULT_COMPRESSION_QUALITY); } catch (Exception e) { e.printStackTrace(); } return data; } /** * Convert PDF to a TIF and save to file * @param pdf * @param tif * @param dpi * @param color * @param compression * @param quality * @return */ protected static void convert(String pdf, String tif, int dpi, int color, int compression, float quality)  throws PDFException, PDFSecurityException, IOException { convert(getImageFromPDF(pdf, dpi, color, compression), tif, dpi, compression, quality); } /** * Convert PDF to a ZIP which include TIF * @param pdf * @param tif * @param dpi * @param color * @param compression * @param quality * @return */ protected static byte[] convert(InputStream pdfInputStream, int dpi, int color, int compression, float quality)  throws PDFException, PDFSecurityException, IOException { // return convertToZip(getImageFromPDF(pdfInputStream, dpi, color, compression), dpi, compression, quality); return convertToZip(pdfInputStream, dpi, color, compression, quality); } /** * Convert byte array PDF to a TIF and save to file * @param pdf * @param tif * @param dpi * @param color * @param compression * @param quality * @return */ protected static void convert(byte[] pdf, String tif, int dpi, int color, int compression, float quality)  throws PDFException, PDFSecurityException, IOException { convert(getImageFromPDF(pdf, dpi, color, compression), tif, dpi, compression, quality); } /** * Convert PDF to a TIF byte array * @param pdf * @param dpi * @param color * @param compression * @param quality * @return */ protected static byte[] convert(String pdf, int dpi, int color, int compression, float quality)  throws PDFException, PDFSecurityException, Exception { return convert(getImageFromPDF(pdf, dpi, color, compression), dpi, compression, quality); } /** * Convert byte array PDF to a TIF and return as byte array * @param pdf * @param dpi * @param color * @param compression * @param quality * @return */ protected static byte[] convert(byte[] pdf, int dpi, int color, int compression, float quality)  throws PDFException, PDFSecurityException, Exception { return convert(getImageFromPDF(pdf, dpi, color, compression), dpi, compression, quality); } /** * Convert buffered image and return ZIP as a byte array * @param image * @param dpi * @param compression * @param quality * @return byte[] * @throws IOException */ @SuppressWarnings("unused") private static byte[] convertToZip(BufferedImage[] image, int dpi, int compression, float quality) throws IOException { ByteArrayOutputStream bos = new ByteArrayOutputStream(); ZipOutputStream zip = new ZipOutputStream(bos); ZipEntry entry = null; String strName; byte[] data = null; byte[] result = null; for (int i = 0; i < image.length; i++) { strName = String.format("%05d", i + 1); data = convert(image[i], dpi, compression, quality); if (data != null) { entry = new ZipEntry(strName + ".tif"); entry.setSize(data.length); zip.putNextEntry(entry); zip.write(data); zip.closeEntry(); } } zip.close(); result = bos.toByteArray(); bos.close(); return result; } private static boolean isStop = true; @SuppressWarnings("unused") private static Thread thread = new Thread(new Runnable() { @Override public void run() { while (isStop) { System.out.println(Runtime.getRuntime().totalMemory()); try { Thread.sleep(100); } catch (InterruptedException e) { e.printStackTrace(); } } } }); private static byte[] convertToZip(InputStream pdfInputStream, int dpi, int color, int compression, float quality) throws PDFException, PDFSecurityException, IOException { ByteArrayOutputStream bos = new ByteArrayOutputStream(); ZipOutputStream zip = new ZipOutputStream(bos); ZipEntry entry = null; String strName; byte[] data = null; byte[] result = null; Document pdfFile = new Document(); pdfFile.setInputStream(pdfInputStream, "whatever"); float scale; float rotation = 0f; int width; int height; int numPgs = pdfFile.getNumberOfPages(); PDimension pd; Graphics2D g; BufferedImage image; // thread.start(); for (int i = 0; i < numPgs; i++) { scale  = (float)dpi / PDF_DPI;  pd = pdfFile.getPageDimension(i, rotation, scale); width  = (int)pd.getWidth(); height = (int)pd.getHeight(); image = getBufferedImage(color, compression, width, height); g = image.createGraphics(); // if (i == 0) { // thread.start(); // } pdfFile.paintPage(i, g, GraphicsRenderingHints.PRINT, Page.BOUNDARY_TRIMBOX, rotation, scale); // isStop = false;             g.dispose();             log.info("讀取PDF第" + (i + 1) + "頁");                          strName = String.format("%05d", i + 1);             data = convert(image, dpi, compression, quality);             if (data != null) { entry = new ZipEntry(strName + ".tif"); entry.setSize(data.length); zip.putNextEntry(entry); zip.write(data); zip.closeEntry(); } } // isStop = false; pdfFile.dispose(); zip.close(); result = bos.toByteArray(); bos.close(); return result; } /** * Render a PDF document from byte array into a buffered image * @param pdf * @param dpi * @param color * @param compression * @return */ private static BufferedImage[] getImageFromPDF(byte[] pdf, int dpi, int color, int compression) throws PDFException, PDFSecurityException, IOException { Document pdfFile = new Document(); pdfFile.setByteArray(pdf, 0, pdf.length, System.getProperty("java.io.tmpdir")); return getImageFromPDF(pdfFile, dpi, color, compression); } /** * Render a PDF document into a buffered image * @param pdfInputStream * @param dpi * @param color * @param compression * @return * @throws IOException  * @throws PDFSecurityException  * @throws PDFException  */ @SuppressWarnings("unused") private static BufferedImage[] getImageFromPDF(InputStream pdfInputStream, int dpi, int color, int compression)  throws PDFException, PDFSecurityException, IOException { Document pdfFile = new Document(); pdfFile.setInputStream(pdfInputStream, "whatever"); return getImageFromPDF(pdfFile, dpi, color, compression); } /** * Render a PDF document into a buffered image * @param pdf * @param dpi * @param color * @param compression * @return * @throws IOException  * @throws PDFSecurityException  * @throws PDFException  */ private static BufferedImage[] getImageFromPDF(String pdf, int dpi, int color, int compression)  throws PDFException, PDFSecurityException, IOException {   Document pdfFile = new Document(); pdfFile.setFile(pdf); return getImageFromPDF(pdfFile, dpi, color, compression); } /** * Render a PDF document into a buffered image * @param pdf * @param dpi * @param color * @param compression * @return */ private static BufferedImage[] getImageFromPDF(Document pdf, int dpi, int color, int compression) { float scale; float rotation = 0f; int width; int height; int numPgs = pdf.getNumberOfPages(); BufferedImage[] image = new BufferedImage[numPgs]; PDimension pd; Graphics2D g; for (int i = 0; i < numPgs; i++) { scale  = (float)dpi / PDF_DPI;  pd = pdf.getPageDimension(i, rotation, scale); width  = (int)pd.getWidth(); height = (int)pd.getHeight(); image[i] = getBufferedImage(color, compression, width, height); g = image[i].createGraphics();             pdf.paintPage(i, g, GraphicsRenderingHints.PRINT, Page.BOUNDARY_CROPBOX, rotation, scale);             g.dispose();             log.info("讀取PDF第" + (i + 1) + "頁"); } pdf.dispose(); return image; } public static void tifToPdf(String filename, String[] strImages) { com.lowagie.text.Document document = new com.lowagie.text.Document(); try { FileOutputStream rech = new FileOutputStream(filename); PdfWriter writer = PdfWriter.getInstance(document, rech); document.open(); PdfContentByte cb = writer.getDirectContent(); for (int i = 0; i < strImages.length; ++i) { addImage(strImages[i], document, cb); } } catch (Exception e) { e.printStackTrace(); } document.close(); } public static byte[] tifToPdfFile(String filePath) { int BUFFER = 4096; //cache buffer String strEntry; com.lowagie.text.Document document = new com.lowagie.text.Document(); FileInputStream fis = null; ZipInputStream zis = null; ZipFile zfile = null; ByteArrayOutputStream byteOutput = null; byte[] pdfData = null; Map<String, File> map = new HashMap<String, File>(); List<String> listNames = new ArrayList<String>(); Random random = new Random(); try { BufferedOutputStream dest = null; fis = new FileInputStream(filePath); zis = new ZipInputStream(fis); ZipEntry entry; byteOutput = new ByteArrayOutputStream(); PdfWriter writer = PdfWriter.getInstance(document, byteOutput); document.open(); PdfContentByte cb = writer.getDirectContent(); while ((entry = zis.getNextEntry()) != null) { int count; byte data[] = new byte[BUFFER]; strEntry = entry.getName(); System.out.println("zip entry name:" + strEntry); if (!strEntry.endsWith(".tif")) { continue; } File entryFile = new File(random.nextInt() + System.currentTimeMillis() + strEntry); FileOutputStream fos = new FileOutputStream(entryFile); dest = new BufferedOutputStream(fos, BUFFER); while ((count = zis.read(data, 0, BUFFER)) != -1) { dest.write(data, 0, count); } dest.flush(); dest.close(); map.put(strEntry.substring(0,strEntry.indexOf(".")), entryFile); listNames.add(strEntry.substring(0,strEntry.indexOf("."))); } Collections.sort(listNames); for (int i = 0; i < listNames.size(); i++) { File fileTemp = new File("temp" + random.nextInt() + System.currentTimeMillis() + ".tif"); TIFConvertImage.convert(map.get(listNames.get(i)), fileTemp); map.get(listNames.get(i)).deleteOnExit(); addImage(fileTemp, document, cb); fileTemp.deleteOnExit(); } document.close(); if (byteOutput != null) { pdfData = byteOutput.toByteArray(); } } catch (Exception cwj) { cwj.printStackTrace(); } finally { try { if (zis != null) { zis.close(); } if (zfile != null) { zfile.close(); } if (fis != null) { fis.close(); } } catch (Exception e) { e.printStackTrace(); } } return pdfData; } @SuppressWarnings("unchecked") public static byte[] tifToPdf(String filePath) throws Exception{ String strEntry; com.lowagie.text.Document document = new com.lowagie.text.Document(); ZipFile zfile = null; ByteArrayOutputStream byteOutput = null; byte[] pdfData = null; try { zfile = new ZipFile(new File(filePath)); Enumeration e = zfile.entries(); ZipEntry entry; byteOutput = new ByteArrayOutputStream(); PdfWriter writer = PdfWriter.getInstance(document, byteOutput); document.open(); PdfContentByte cb = writer.getDirectContent(); byte[] dataTemp; while (e.hasMoreElements()) { entry = (ZipEntry) e.nextElement(); strEntry = entry.getName(); if (!strEntry.endsWith(".tif")) { continue; } InputStream in = zfile.getInputStream(entry); dataTemp = TIFConvertImage.convert(in); InputStream inTemp = new ByteArrayInputStream(dataTemp); addImage(inTemp, document, cb); in.close(); inTemp.close(); } document.close(); if (byteOutput != null) { pdfData = byteOutput.toByteArray(); } } catch (Exception cwj) { cwj.printStackTrace(); throw cwj; } finally { try { if (zfile != null) { zfile.close(); } } catch (Exception e) { e.printStackTrace(); } } return pdfData; } public static void tifToPdf(String filePath,String output) throws Exception{ String strEntry; com.lowagie.text.Document document = new com.lowagie.text.Document(); ZipFile zfile = null; ByteArrayOutputStream byteOutput = null; byte[] pdfData = null; FileOutputStream fos = null; try { zfile = new ZipFile(new File(filePath)); Enumeration e = zfile.entries(); ZipEntry entry; byteOutput = new ByteArrayOutputStream(); PdfWriter writer = PdfWriter.getInstance(document, byteOutput); document.open(); PdfContentByte cb = writer.getDirectContent(); byte[] dataTemp; while (e.hasMoreElements()) { entry = (ZipEntry) e.nextElement(); strEntry = entry.getName(); if (!strEntry.endsWith(".tif")) { continue; } InputStream in = zfile.getInputStream(entry); dataTemp = TIFConvertImage.convert(in); InputStream inTemp = new ByteArrayInputStream(dataTemp); addImage(inTemp, document, cb); in.close(); inTemp.close(); } document.close(); if (byteOutput != null) { pdfData = byteOutput.toByteArray(); fos = new FileOutputStream(output); fos.write(pdfData); fos.close(); } } catch (Exception cwj) { cwj.printStackTrace(); throw cwj; } finally { try { if (zfile != null) { zfile.close(); } if (null != fos) { fos.close(); } } catch (Exception e) { e.printStackTrace(); } } } @SuppressWarnings("unchecked") public static void addImage(InputStream in, com.lowagie.text.Document document, PdfContentByte cb) throws Exception { TileCache cache = JAI.getDefaultInstance().getTileCache(); long size = 1024 * 1024 * 1024L; // 32 megabytes cache.setMemoryCapacity(size); SeekableStream stream = SeekableStream.wrapInputStream(in, true); stream.seek(0); TIFFDirectory dir = new TIFFDirectory(stream, 0); String[] names = ImageCodec.getDecoderNames(stream); ImageDecoder dec = ImageCodec .createImageDecoder(names[0], stream, null); int total = dec.getNumPages(); for (int k = 0; k < total; ++k) { RenderedImage ri = dec.decodeAsRenderedImage(k); Raster ra = ri.getData(); BufferedImage bi = new BufferedImage(ri.getColorModel(), Raster.createWritableRaster(ri.getSampleModel(), ra.getDataBuffer(), null), false, new Hashtable()); Image img = Image.getInstance(bi, null, true); long h = 0; long w = 0; long IFDOffset = dir.getIFDOffset(); while (IFDOffset != 0L) { dir = new TIFFDirectory(stream, IFDOffset, 0); IFDOffset = dir.getNextIFDOffset(); h = dir.getFieldAsLong(TIFFImageDecoder.TIFF_IMAGE_LENGTH); w = dir.getFieldAsLong(TIFFImageDecoder.TIFF_IMAGE_WIDTH); } float percent = 100; int pos = 0; if (w > 895) percent = ((595 + 18) * 100 / w); if (h > 842) pos = (int) (842 - h * percent / 100); else pos = (int) (842 - h); System.out.println(percent); System.out.println(pos); img.scalePercent(percent); img.setAbsolutePosition(0, pos); System.out.println("Image: " + k); cb.addImage(img); document.newPage(); } stream.close(); } @SuppressWarnings("unchecked") private static void addImage(File tiffFile, com.lowagie.text.Document document, PdfContentByte cb) throws Exception { TileCache cache = JAI.getDefaultInstance().getTileCache(); long size = 1024 * 1024 * 1024L; // 32 megabytes cache.setMemoryCapacity(size); SeekableStream stream = new FileSeekableStream(tiffFile); // SeekableStream.wrapInputStream(r, true); // stream.seek(0); TIFFDirectory dir = new TIFFDirectory(stream, 0); String[] names = ImageCodec.getDecoderNames(stream); ImageDecoder dec = ImageCodec .createImageDecoder(names[0], stream, null); int total = dec.getNumPages(); for (int k = 0; k < total; ++k) { RenderedImage ri = dec.decodeAsRenderedImage(k); Raster ra = ri.getData(); BufferedImage bi = new BufferedImage(ri.getColorModel(), Raster.createWritableRaster(ri.getSampleModel(), ra.getDataBuffer(), null), false, new Hashtable()); Image img = Image.getInstance(bi, null, true); long h = 0; long w = 0; long IFDOffset = dir.getIFDOffset(); while (IFDOffset != 0L) { dir = new TIFFDirectory(stream, IFDOffset, 0); IFDOffset = dir.getNextIFDOffset(); h = dir.getFieldAsLong(TIFFImageDecoder.TIFF_IMAGE_LENGTH); w = dir.getFieldAsLong(TIFFImageDecoder.TIFF_IMAGE_WIDTH); } float percent = 100; int pos = 0; if (w > 895) percent = ((595 + 18) * 100 / w); if (h > 842) pos = (int) (842 - h * percent / 100); else pos = (int) (842 - h); System.out.println(percent); System.out.println(pos); img.scalePercent(percent); img.setAbsolutePosition(0, pos); System.out.println("Image: " + k); cb.addImage(img); document.newPage(); } stream.close(); tiffFile.deleteOnExit(); } @SuppressWarnings("unchecked") public static void addImage(String strImageName, com.lowagie.text.Document document, PdfContentByte cb) throws Exception { TileCache cache = JAI.getDefaultInstance().getTileCache(); long size = 1024 * 1024 * 1024L; // 32 megabytes cache.setMemoryCapacity(size); File file = new File(strImageName); SeekableStream stream = new FileSeekableStream(file); TIFFDirectory dir = new TIFFDirectory(stream, 0); String[] names = ImageCodec.getDecoderNames(stream); ImageDecoder dec = ImageCodec .createImageDecoder(names[0], stream, null); int total = dec.getNumPages(); ImageInputStream in = null; in = ImageIO.createImageInputStream(file); for (int k = 0; k < total; ++k) { RenderedImage ri = dec.decodeAsRenderedImage(k); Raster ra = ri.getData(); BufferedImage bi = new BufferedImage(ri.getColorModel(), Raster.createWritableRaster(ri.getSampleModel(), ra.getDataBuffer(), null), false, new Hashtable()); Image img = Image.getInstance(bi, null, true); long h = 0; long w = 0; long IFDOffset = dir.getIFDOffset(); while (IFDOffset != 0L) { dir = new TIFFDirectory(stream, IFDOffset, 0); IFDOffset = dir.getNextIFDOffset(); h = dir.getFieldAsLong(TIFFImageDecoder.TIFF_IMAGE_LENGTH); w = dir.getFieldAsLong(TIFFImageDecoder.TIFF_IMAGE_WIDTH); } float percent = 100; int pos = 0; if (w > 895) percent = ((595 + 18) * 100 / w); if (h > 842) pos = (int) (842 - h * percent / 100); else pos = (int) (842 - h); System.out.println(percent); System.out.println(pos); img.scalePercent(percent); img.setAbsolutePosition(0, pos); System.out.println("Image: " + k); cb.addImage(img); document.newPage(); } stream.close(); if (in != null) { in.close(); } file.deleteOnExit(); } public static  long saveFile(byte[] tifCopy, String fileNamesWithoutSuffix, String ext) throws Exception { FileOutputStream fos = null; long size = 0; try { String file = fileNamesWithoutSuffix + ext; fos = new FileOutputStream(file); fos.write(tifCopy); fos.close(); } catch (Exception e) { throw e; } finally { try { if (null != fos) { fos.close(); } } catch (IOException e) { throw e; } } return size; } public static void main(String[] args) throws Exception { // byte[] pdfBytes = tifToPdf("C:/work/gwssi/PATPIC_201130489956X.zip") ; // saveFile(pdfBytes, "C:/work/gwssi/PATPIC_201130489956X",".pdf"); // System.out.println(pdfBytes.length); // File f = new File("C:/work/1.pdf"); // File fo = new File("C:/work/2.pdf"); // FileInputStream s = new FileInputStream(f); // FileOutputStream o = new FileOutputStream(fo); // byte[] buff = new byte[1024]; // int len = 0;  // while ((len = s.read(buff)) != -1) {  // o.write(buff, 0, len);  // }  // s.close();  // o.close();  mergeZipToPdf("C:/Users/dell/Desktop/EXEC20150514000019.zip","C:/Users/dell/Desktop/EXEC20150514000019.pdf",0,13); } /** * @param files 須要合成的zip格式文件 * @param outputPdf 合成後pdf的保存路徑 * @param startPage zip壓縮包內合成選擇的開始tif文件 * @param endPage zip壓縮包內合成選擇的結束tif文件 * @throws Exception */ public static void mergeZipToPdf(String inputZip,String outputPdf,int startPage,int endPage) throws Exception { ZipFile zfile = null; ByteArrayOutputStream byteOutput = null; FileOutputStream fos = null; byte[] dataTemp; try { com.lowagie.text.Document document = new com.lowagie.text.Document(); byteOutput = new ByteArrayOutputStream(); PdfWriter writer = PdfWriter.getInstance(document, byteOutput); document.open(); PdfContentByte cb = writer.getDirectContent(); zfile = new ZipFile(new File(inputZip)); for(int i=startPage; i<=endPage; i++){ ZipEntry entry = zfile.getEntry((i)+".tif"); if(entry==null) entry = zfile.getEntry((i)+"_fy.tif"); if(entry==null) entry = zfile.getEntry((i)+".TIF"); if(entry==null) entry = zfile.getEntry((i)+"_FY.TIF"); if(entry==null) entry = zfile.getEntry(String.format("%06d",(i))+".tif"); if(entry==null) entry = zfile.getEntry(String.format("%06d",(i))+"_fy.tif"); if(entry==null) entry = zfile.getEntry(String.format("%06d",(i))+".TIF"); if(entry==null) entry = zfile.getEntry(String.format("%06d",(i))+"_FY.TIF"); InputStream in = zfile.getInputStream(entry); dataTemp = TIFConvertImage.convert(in); InputStream inTemp = new ByteArrayInputStream(dataTemp); addImage(inTemp, document, cb); in.close(); inTemp.close(); } document.close(); if (byteOutput != null) { fos = new FileOutputStream(outputPdf); fos.write(byteOutput.toByteArray()); fos.close(); } } catch (Exception e2) { e2.printStackTrace(); } finally{ if(fos!=null)fos.close(); if(byteOutput!=null)byteOutput.close(); if(zfile!=null)zfile.close(); } } /** * @param files *            須要合成的zip格式文件 * @param output *            合成後tif的保存路徑 * @param startPage *            zip壓縮包內合成選擇的開始tif文件 * @param endPage *            zip壓縮包內合成選擇的結束tif文件 * @throws Exception */ public static Map<String, Long> mergeZipToTif(String inputZip,String outputTif, int startPage, int endPage, int orStart) throws Exception { Map<String,Long> m = new HashMap<String,Long>(); long attchSize = 0l; long attchPages = 0l; ZipFile zfile = null; // OutputStream output = null; // InputStream in = null; if(!(outputTif.endsWith(".tif")||outputTif.endsWith(".tiff"))) throw new Exception("not a tiff for output!"); if(startPage>endPage)  { m.put("attchSize", attchSize); m.put("attchPages", new Long(endPage-startPage+1)); return m; } String ouputTemp = outputTif.substring(0,outputTif.lastIndexOf(".tif")); File dc = new File(ouputTemp); if(!dc.exists()) dc.mkdirs(); List<InputStream> ins = new ArrayList<InputStream>(); try { zfile = new ZipFile(new File(inputZip)); int fileSize = zfile.size(); if(endPage!=0) { fileSize = endPage-startPage+1; } int middleEndPage=0; if(orStart==1&&endPage==0){ middleEndPage=1; } for(int i=startPage; i<=(endPage==0?(middleEndPage==1?0:(fileSize-1)):endPage); i++){ ZipEntry entry = zfile.getEntry((i+1)+".tif"); if(entry==null) entry = zfile.getEntry((i+1)+"_fy.tif"); if(entry==null) entry = zfile.getEntry((i+1)+".TIF"); if(entry==null) entry = zfile.getEntry((i+1)+"_FY.TIF"); if(entry==null) entry = zfile.getEntry(String.format("%06d",(i+1))+".tif"); if(entry==null) entry = zfile.getEntry(String.format("%06d",(i+1))+"_fy.tif"); if(entry==null) entry = zfile.getEntry(String.format("%06d",(i+1))+".TIF"); if(entry==null) entry = zfile.getEntry(String.format("%06d",(i+1))+"_FY.TIF"); if(entry==null) entry = zfile.getEntry(String.format("%05d",(i+1))+".tif"); if(entry==null) entry = zfile.getEntry(String.format("%05d",(i+1))+"_fy.tif"); if(entry==null) entry = zfile.getEntry(String.format("%04d",(i+1))+".TIF"); if(entry==null) entry = zfile.getEntry(String.format("%05d",(i+1))+".TIF"); if(entry==null) entry = zfile.getEntry(String.format("%05d",(i+1))+"_FY.TIF"); if(entry!=null){ ins.add(zfile.getInputStream(entry)); } } attchPages = ins.size(); System.out.println("attchPages:"+attchPages); //檢查文件大小是否存在OKB if(attchPages == 0){ return null; } if(ins!=null&&ins.size()>0&&attchPages<1001) { //檢查ZIP內容 boolean checkFlag = true; for(InputStream itemFile:ins){ long itemFileLength = itemFile.available(); if(itemFileLength==0L){ checkFlag = false; break; } } if(checkFlag){ attchSize = merge(ins,outputTif); } attchPages = ins.size(); } } catch (Exception e2) { e2.printStackTrace(); log.debug("attch error: ",e2); } /*finally{ if(output!=null)output.close(); if(in!=null)in.close(); if(zfile!=null)zfile.close(); }*/ finally{ for(InputStream in:ins){ if(in!=null){ try { in.close(); } catch (IOException e) { e.printStackTrace(); } } } if(zfile!=null){ try { zfile.close(); } catch (IOException e) { e.printStackTrace(); } } } // File[] f = dc.listFiles(); // for(int i=0;i<f.length;i++){ // f[i].delete(); // } // dc.delete(); m.put("attchSize", attchSize); m.put("attchPages", attchPages); return m; } /** * @param files *            須要合成的tif * @param output *            合成後tif的保存路徑 * @throws Exception */ @SuppressWarnings("unchecked") public static int merge(List<InputStream> ins, String output) throws Exception { BufferedImage[] bufferedImage = new BufferedImage[ins.size()]; for (int i = 0; i < ins.size(); i++) { // InputStream in = new FileInputStream(files[i]); bufferedImage[i] = ImageIO.read(ins.get(i)); } OutputStream ss = new FileOutputStream(output); byte[] b = TIFFUtil.converts(bufferedImage, 72, TIFFEncodeParam.COMPRESSION_GROUP4, 300); ss.write(b); ss.close(); return b.length; } /** * @param files 須要合成的tif * @param output 合成後zip的保存路徑 * @throws IOException  * @throws Exception */ public static long mergeTiffToZip(String tifPath, String output) throws Exception { File file = new File(tifPath); SeekableStream s = null; TIFFDecodeParam param = null; RenderedImage op = null; FileOutputStream baos = null; ZipOutputStream zipOut = null; long size = 0l; try { s = new FileSeekableStream(file); ImageDecoder dec = ImageCodec.createImageDecoder("tiff", s, param); int numofpages = dec.getNumPages(); baos = new FileOutputStream(new File(output)); zipOut = new ZipOutputStream(baos); for (int i = 0; i < numofpages; i++) { op = new NullOpImage(dec.decodeAsRenderedImage(i), null, null, OpImage.OP_COMPUTE_BOUND); ByteArrayOutputStream bos = new ByteArrayOutputStream(); ImageIO.write(op, "tif", bos); byte[] imageBytes = bos.toByteArray(); size = size+imageBytes.length; bos.close(); zipOut.putNextEntry(new ZipEntry(String.format("%05d", i + 1) + ".tif")); zipOut.write(imageBytes); } } catch (Exception e) { e.printStackTrace(); throw new Exception(); } finally { try { if (zipOut != null) zipOut.close(); if (baos != null) baos.close(); if (s != null) s.close(); } catch (IOException e) { e.printStackTrace(); } } return size; } }