import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Image;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.pdf.PdfWriter;
import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.ComFailException;
import com.jacob.com.ComThread;
import com.jacob.com.Dispatch;
import com.jacob.com.Variant;
public class JacobPDFConverter implements PDFConverter {
private static final int wdFormatPDF = 17;
private static final int xlTypePDF = 0;
private static final int ppSaveAsPDF = 32;
public void convert2PDF(String inputFile, String pdfFile) {
String suffix = FileUtils.getFileSufix(inputFile);
File file = new File(inputFile);
if(!file.exists()){
System.out.println("文件不存在！");
return;
}
if(suffix.equals("pdf")){
System.out.println("PDF not need to convert!");
return ;
}
boolean isImg = false;//FileUtils.isImage(inputFile);
try{
isImg = FileUtils.isImage(inputFile);
}catch(Exception ce){
}
if(isImg){
img2PDF(inputFile,pdfFile);
}else if(suffix.equals("doc")||suffix.equals("docx")||suffix.equals("txt")){
word2PDF(inputFile,pdfFile);
}else if(suffix.equals("ppt")||suffix.equals("pptx")){
ppt2PDF(inputFile,pdfFile);
}else if(suffix.equals("xls")||suffix.equals("xlsx")){
excel2PDF(inputFile,pdfFile);
}else if(suffix.equals("wps")){
//wps2PDF(inputFile,pdfFile);
word2PDF(inputFile,pdfFile);
}else{
//System.out.println("文件格式不支持转换!");
word2PDF(inputFile,pdfFile);
}
}
public void convert2PDF(String inputFile) {
String pdfFile = FileUtils.getFilePrefix(inputFile)+".pdf";
convert2PDF(inputFile,pdfFile);
}
public void convert2PDF(String[] inputFiles, String[] pdfFiles) {
try {
for(int i = 0;i<inputFiles.length;i++){
String inputFile = inputFiles[i];
String pdfFile = pdfFiles[i];
if(inputFile==null || inputFile.equals("")) continue;
convert2PDF(inputFile,pdfFile);
}
}catch (Exception ce) {
}
}
public void convert2PDF(String[] inputFiles) {
String pdfFiles[] = new String[inputFiles.length];
for(int i = 0;i<inputFiles.length;i++){
String inputFile = inputFiles[i];
String pdfFile = FileUtils.getFilePrefix(inputFile)+".pdf";
pdfFiles[i] = pdfFile;
}
convert2PDF(inputFiles,pdfFiles);
}
public static void word2PDF(String inputFile,String pdfFile){
ActiveXComponent app = null;
Dispatch doc = null;
try {
ComThread.InitSTA();
app = new ActiveXComponent("Word.Application"); //打开word应用程序
app.setProperty("Visible", false); //设置word不可见
Dispatch docs = app.getProperty("Documents").toDispatch(); //获得word中所有打开的文档,返回Documents对象
//调用Documents对象中Open方法打开文档，并返回打开的文档对象Document
doc = Dispatch.call(docs,
"Open",
inputFile,
false,
true
).toDispatch();
Dispatch.call(doc,
"ExportAsFixedFormat",
pdfFile,
wdFormatPDF //word保存为pdf格式宏，值为17
);
} catch (ComFailException e) {
} catch (Exception e) {
} finally {
if (doc != null) {
Dispatch.call(doc, "Close", false); //关闭文档
}
if (app != null) {
app.invoke("Quit", 0); //关闭word应用程序
}
ComThread.Release();
}
}
public static void excel2PDF(String inputFile,String pdfFile){
ActiveXComponent app = null;
Dispatch excel = null;
try {
ComThread.InitSTA();
app = new ActiveXComponent("Excel.Application");
app.setProperty("Visible", false);
Dispatch excels = app.getProperty("Workbooks").toDispatch();
excel = Dispatch.call(excels,
"Open",
inputFile,
false,
true
).toDispatch();
Dispatch.call(excel,
"ExportAsFixedFormat",
xlTypePDF,
pdfFile
);
} catch (ComFailException e) {
} catch (Exception e) {
} finally {
if (excel != null) {
Dispatch.call(excel, "Close",false);
}
if (app != null) {
app.invoke("Quit");
}
ComThread.Release();
}
}
public static void ppt2PDF(String inputFile,String pdfFile){
ActiveXComponent app = null;
Dispatch ppt = null;
try {
ComThread.InitSTA();
app = new ActiveXComponent("PowerPoint.Application");
//app.setProperty("Visible", false);
Dispatch ppts = app.getProperty("Presentations").toDispatch();
ppt = Dispatch.call(ppts,
"Open",
inputFile,
true,//ReadOnly
true,//Untitled指定文件是否有标题
false//WithWindow指定文件是否可见
).toDispatch();
Dispatch.call(ppt,
"SaveAs",
pdfFile,
ppSaveAsPDF
);
} catch (ComFailException e) {
System.out.println(e.getMessage());
} catch (Exception e) {
} finally {
if (ppt != null) {
Dispatch.call(ppt, "Close");
}
if (app != null) {
app.invoke("Quit");
}
ComThread.Release();
}
}
public void wps2PDF(String inputFile,String pdfFile) {
File sFile = new File(inputFile);
File tFile = new File(pdfFile);
ActiveXComponent wps = null;
try {
ComThread.InitSTA();
wps = new ActiveXComponent("wps.application");
ActiveXComponent doc = wps.invokeGetComponent("Documents").invokeGetComponent("Open", new Variant(sFile.getAbsolutePath()));
doc.invoke("ExportPdf", new Variant(tFile.getAbsolutePath()));
doc.invoke("Close");
doc.safeRelease();
} catch (Exception e) {
System.out.println(e.getMessage());
} finally {
if (wps != null) {
wps.invoke("Terminate");
wps.safeRelease();
}
ComThread.Release();
}
}
public void img2PDF(String inputFile,String pdfFile) {
Document doc = new Document(PageSize.A4, 20, 20, 20, 20);
try {
PdfWriter.getInstance(doc, new FileOutputStream(pdfFile));
doc.open();
doc.newPage();
Image img = Image.getInstance(inputFile);
float heigth = img.getHeight();
float width = img.getWidth();
int percent = getPercent(heigth, width);
img.setAlignment(Image.MIDDLE);
img.scalePercent(percent+3);// 表示是原来图像的比例;
doc.add(img);
doc.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (DocumentException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
File mOutputPdfFile = new File(pdfFile);
if (!mOutputPdfFile.exists()) {
mOutputPdfFile.deleteOnExit();
return;
}
}
public static int getPercent(float h, float w) {
int p = 0;
float p2 = 0.0f;
p2 = 530 / w * 100;
p = Math.round(p2);
return p;
}
}