Java ExceptionConverter类代码示例

import com.lowagie.text.ExceptionConverter; //导入依赖的package包/类
/**
    * Constructs an XMP reader
    * @param	bytes	the XMP content
    * @throws ExceptionConverter 
    * @throws IOException 
    * @throws SAXException 
    */
public XmpReader(byte[] bytes) throws SAXException, IOException {
	try {
        DocumentBuilderFactory fact = DocumentBuilderFactory.newInstance();
        fact.setNamespaceAware(true);
		DocumentBuilder db = fact.newDocumentBuilder();
		db.setEntityResolver(new EntityResolver() {
			@Override
			public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException {
				return new InputSource(new StringReader(""));
			}        	
        });
        ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
        domDocument = db.parse(bais);
	} catch (ParserConfigurationException e) {
		throw new ExceptionConverter(e);
	}
}
 

import com.lowagie.text.ExceptionConverter; //导入依赖的package包/类
/**
* Parses a given file.
* @param document	The document that will listen to the parser
* @param is	The InputStream with the contents
*/
   
   public void go(DocListener document, InputSource is) {
       try {
           parser.parse(is, new SAXiTextHandler(document));
       }
       catch(SAXException se) {
           throw new ExceptionConverter(se);
       }
       catch(IOException ioe) {
           throw new ExceptionConverter(ioe);
       }
   }
 

import com.lowagie.text.ExceptionConverter; //导入依赖的package包/类
/**
 * @see com.lowagie.text.pdf.PdfPageEventHelper#onEndPage(com.lowagie.text.pdf.PdfWriter, com.lowagie.text.Document)
 */
public void onEndPage(PdfWriter writer, Document document) {
    try {
        Rectangle page = document.getPageSize();

        if (headerFooterPolicy.getHeader(writer.getPageNumber())!=null) {
         Hdr hdr = headerFooterPolicy.getHeader(writer.getPageNumber()).getJaxbElement();
         PdfPTable head = new PdfPTable(1); // num cols	            
         // TODO - no cell borders
         traverseBlockLevelContent( hdr.getEGBlockLevelElts(), head);
         head.setTotalWidth(page.getWidth() - document.leftMargin() - document.rightMargin());
         head.writeSelectedRows(0, -1, document.leftMargin(), page.getHeight() - document.topMargin() + head.getTotalHeight(),
             writer.getDirectContent());
        }
        
        if (headerFooterPolicy.getFooter(writer.getPageNumber())!=null) {
         Ftr ftr = headerFooterPolicy.getFooter(writer.getPageNumber()).getJaxbElement();	            
         PdfPTable foot = new PdfPTable(1);
         traverseBlockLevelContent( ftr.getEGBlockLevelElts(), foot);
         foot.setTotalWidth(page.getWidth() - document.leftMargin() - document.rightMargin());
         foot.writeSelectedRows(0, -1, document.leftMargin(), document.bottomMargin(),
             writer.getDirectContent());
        }
    }
    catch (Exception e) {
        throw new ExceptionConverter(e);
    }
}
 

import com.lowagie.text.ExceptionConverter; //导入依赖的package包/类
/**
 * Sets the crypto information to sign.
 * @param privKey the private key
 * @param certChain the certificate chain
 * @param crlList the certificate revocation list. It can be <CODE>null</CODE>
 */    
public void setSignInfo(PrivateKey privKey, Certificate[] certChain, CRL[] crlList) {
    try {
        pkcs = new PdfPKCS7(privKey, certChain, crlList, hashAlgorithm, provider, PdfName.ADBE_PKCS7_SHA1.equals(get(PdfName.SUBFILTER)));
        pkcs.setExternalDigest(externalDigest, externalRSAdata, digestEncryptionAlgorithm);
        if (PdfName.ADBE_X509_RSA_SHA1.equals(get(PdfName.SUBFILTER))) {
            ByteArrayOutputStream bout = new ByteArrayOutputStream();
            for (int k = 0; k < certChain.length; ++k) {
                bout.write(certChain[k].getEncoded());
            }
            bout.close();
            setCert(bout.toByteArray());
            setContents(pkcs.getEncodedPKCS1());
        }
        else
            setContents(pkcs.getEncodedPKCS7());
        name = PdfPKCS7.getSubjectFields(pkcs.getSigningCertificate()).getField("CN");
        if (name != null)
            put(PdfName.NAME, new PdfString(name, PdfObject.TEXT_UNICODE));
        pkcs = new PdfPKCS7(privKey, certChain, crlList, hashAlgorithm, provider, PdfName.ADBE_PKCS7_SHA1.equals(get(PdfName.SUBFILTER)));
        pkcs.setExternalDigest(externalDigest, externalRSAdata, digestEncryptionAlgorithm);
    }
    catch (Exception e) {
        throw new ExceptionConverter(e);
    }
}
 

import com.lowagie.text.ExceptionConverter; //导入依赖的package包/类
/**
 * @param idx
 * @return aPdfObject
 */
public PdfObject getPdfObject(int idx) {
    try {
        lastXrefPartial = -1;
        if (idx < 0 || idx >= xrefObj.size())
            return null;
        PdfObject obj = (PdfObject)xrefObj.get(idx);
        if (!partial || obj != null)
            return obj;
        if (idx * 2 >= xref.length)
            return null;
        obj = readSingleObject(idx);
        lastXrefPartial = -1;
        if (obj != null)
            lastXrefPartial = idx;
        return obj;
    }
    catch (Exception e) {
        throw new ExceptionConverter(e);
    }
}
 

import com.lowagie.text.ExceptionConverter; //导入依赖的package包/类
/** Creates a new instance of OutputStreamCounter */
public OutputStreamEncryption(OutputStream out, byte key[], int off, int len, int revision) {
    try {
        this.out = out;
        aes = revision == AES_128;
        if (aes) {
            byte[] iv = IVGenerator.getIV();
            byte[] nkey = new byte[len];
            System.arraycopy(key, off, nkey, 0, len);
            cipher = new AESCipher(true, nkey, iv);
            write(iv);
        }
        else {
            arcfour = new ARCFOUREncryption();
            arcfour.prepareARCFOURKey(key, off, len);
        }
    } catch (Exception ex) {
        throw new ExceptionConverter(ex);
    }
}
 

import com.lowagie.text.ExceptionConverter; //导入依赖的package包/类
/**
 * Creates an ICC stream.
 *
 * @param	compressionLevel	the compressionLevel
 *
 * @param	profile an ICC profile
 * @since	2.1.3	(replacing the constructor without param compressionLevel)
 */
public PdfICCBased(ICC_Profile profile, int compressionLevel) {
    super();
    try {
        int numberOfComponents = profile.getNumComponents();
        switch (numberOfComponents) {
            case 1:
                put(PdfName.ALTERNATE, PdfName.DEVICEGRAY);
                break;
            case 3:
                put(PdfName.ALTERNATE, PdfName.DEVICERGB);
                break;
            case 4:
                put(PdfName.ALTERNATE, PdfName.DEVICECMYK);
                break;
            default:
                throw new PdfException(numberOfComponents + " component(s) is not supported in PDF1.4");
        }
        put(PdfName.N, new PdfNumber(numberOfComponents));
        bytes = profile.getData();
        flateCompress(compressionLevel);
    } catch (Exception e) {
        throw new ExceptionConverter(e);
    }
}
 

import com.lowagie.text.ExceptionConverter; //导入依赖的package包/类
/** Creates a new Barcode39.
 */    
public Barcode39() {
    try {
        x = 0.8f;
        n = 2;
        font = BaseFont.createFont("Helvetica", "winansi", false);
        size = 8;
        baseline = size;
        barHeight = size * 3;
        textAlignment = Element.ALIGN_CENTER;
        generateChecksum = false;
        checksumText = false;
        startStopText = true;
        extended = false;
    }
    catch (Exception e) {
        throw new ExceptionConverter(e);
    }
}
 

import com.lowagie.text.ExceptionConverter; //导入依赖的package包/类
/** Loads a CJK cmap to the cache with the option of associating
 * sequences to the newline.
 * @param name the CJK cmap name
 * @param newline the sequences to be replaced by a newline in the resulting CID. See <CODE>CRLF_CID_NEWLINE</CODE>
 */    
public static void loadCmap(String name, byte newline[][]) {
    try {
        char planes[][] = null;
        synchronized (cmaps) {
            planes = (char[][])cmaps.get(name);
        }
        if (planes == null) {
            planes = readCmap(name, newline);
            synchronized (cmaps) {
                cmaps.put(name, planes);
            }
        }
    }
    catch (IOException e) {
        throw new ExceptionConverter(e);
    }        
}
 

import com.lowagie.text.ExceptionConverter; //导入依赖的package包/类
private void processType0(PdfDictionary font) {
    try {
        PdfObject toUniObject = PdfReader.getPdfObjectRelease(font.get(PdfName.TOUNICODE));
        PdfArray df = (PdfArray)PdfReader.getPdfObjectRelease(font.get(PdfName.DESCENDANTFONTS));
        PdfDictionary cidft = (PdfDictionary)PdfReader.getPdfObjectRelease(df.getPdfObject(0));
        PdfNumber dwo = (PdfNumber)PdfReader.getPdfObjectRelease(cidft.get(PdfName.DW));
        int dw = 1000;
        if (dwo != null)
            dw = dwo.intValue();
        IntHashtable widths = readWidths((PdfArray)PdfReader.getPdfObjectRelease(cidft.get(PdfName.W)));
        PdfDictionary fontDesc = (PdfDictionary)PdfReader.getPdfObjectRelease(cidft.get(PdfName.FONTDESCRIPTOR));
        fillFontDesc(fontDesc);
        if (toUniObject != null){
            fillMetrics(PdfReader.getStreamBytes((PRStream)toUniObject), widths, dw);
        }
        
    } catch (Exception e) {
        throw new ExceptionConverter(e);
    }
}
 

import com.lowagie.text.ExceptionConverter; //导入依赖的package包/类
/**
* Signals that an new page has to be started.
*
* @return  <CODE>true</CODE> if this action succeeded, <CODE>false</CODE> if not.
*/
   
   public boolean newPage() {
       try {
           writeStart(HtmlTags.DIV);
           write(" ");
           write(HtmlTags.STYLE);
           write("=\"");
           writeCssProperty(Markup.CSS_KEY_PAGE_BREAK_BEFORE, Markup.CSS_VALUE_ALWAYS);
           write("\" /");
           os.write(GT);
       }
       catch(IOException ioe) {
           throw new ExceptionConverter(ioe);
       }
       return true;
   }
 

import com.lowagie.text.ExceptionConverter; //导入依赖的package包/类
/**
 * Closes the document.
 * <B>
 * Once all the content has been written in the body, you have to close
 * the body. After that nothing can be written to the body anymore.
 */
public void close() {
    if (close) {
        return;
    }
    try {
    	boolean wasImage = (imageWait != null);
        newPage();
        if (imageWait != null || wasImage) newPage();
        if (annotationsImp.hasUnusedAnnotations())
            throw new RuntimeException("Not all annotations could be added to the document (the document doesn't have enough pages).");
        PdfPageEvent pageEvent = writer.getPageEvent();
        if (pageEvent != null)
            pageEvent.onCloseDocument(writer, this);
        super.close();

        writer.addLocalDestinations(localDestinations);
        calculateOutlineCount();
        writeOutlines();
    }
    catch(Exception e) {
        throw ExceptionConverter.convertException(e);
    }

    writer.close();
}
 

import com.lowagie.text.ExceptionConverter; //导入依赖的package包/类
public PdfArray rotateAnnotations(PdfWriter writer, Rectangle pageSize) {
    PdfArray array = new PdfArray();
    int rotation = pageSize.getRotation() % 360;
    int currentPage = writer.getCurrentPageNumber();
    for (int k = 0; k < annotations.size(); ++k) {
        PdfAnnotation dic = (PdfAnnotation)annotations.get(k);
        int page = dic.getPlaceInPage();
        if (page > currentPage) {
            delayedAnnotations.add(dic);
            continue;
        }
        if (dic.isForm()) {
            if (!dic.isUsed()) {
                HashMap templates = dic.getTemplates();
                if (templates != null)
                    acroForm.addFieldTemplates(templates);
            }
            PdfFormField field = (PdfFormField)dic;
            if (field.getParent() == null)
                acroForm.addDocumentField(field.getIndirectReference());
        }
        if (dic.isAnnotation()) {
            array.add(dic.getIndirectReference());
            if (!dic.isUsed()) {
                PdfRectangle rect = (PdfRectangle)dic.get(PdfName.RECT);
                if (rect != null) {
                	switch (rotation) {
                    	case 90:
                    		dic.put(PdfName.RECT, new PdfRectangle(
                    				pageSize.getTop() - rect.bottom(),
						rect.left(),
						pageSize.getTop() - rect.top(),
						rect.right()));
                    		break;
                    	case 180:
                    		dic.put(PdfName.RECT, new PdfRectangle(
                    				pageSize.getRight() - rect.left(),
						pageSize.getTop() - rect.bottom(),
						pageSize.getRight() - rect.right(),
						pageSize.getTop() - rect.top()));
                    		break;
                    	case 270:
                    		dic.put(PdfName.RECT, new PdfRectangle(
                    				rect.bottom(),
						pageSize.getRight() - rect.left(),
						rect.top(),
						pageSize.getRight() - rect.right()));
                    		break;
                	}
                }
            }
        }
        if (!dic.isUsed()) {
            dic.setUsed();
            try {
                writer.addToBody(dic, dic.getIndirectReference());
            }
            catch (IOException e) {
                throw new ExceptionConverter(e);
            }
        }
    }
    return array;
}
 

import com.lowagie.text.ExceptionConverter; //导入依赖的package包/类
/**
 * Verifies a signature using the sub-filter adbe.x509.rsa_sha1.
 * @param contentsKey the /Contents key
 * @param certsKey the /Cert key
 * @param provider the provider or <code>null</code> for the default provider
 */    
public PdfPKCS7(byte[] contentsKey, byte[] certsKey, String provider) {
    try {
        this.provider = provider;
        X509CertParser cr = new X509CertParser();
        cr.engineInit(new ByteArrayInputStream(certsKey));
        certs = cr.engineReadAll();
        signCerts = certs;
        signCert = (X509Certificate)certs.iterator().next();
        crls = new ArrayList();
        ASN1InputStream in = new ASN1InputStream(new ByteArrayInputStream(contentsKey));
        digest = ((DEROctetString)in.readObject()).getOctets();
        if (provider == null)
            sig = Signature.getInstance("SHA1withRSA");
        else
            sig = Signature.getInstance("SHA1withRSA", provider);
        sig.initVerify(signCert.getPublicKey());
    }
    catch (Exception e) {
        throw new ExceptionConverter(e);
    }
}
 

import com.lowagie.text.ExceptionConverter; //导入依赖的package包/类
/**
 * Loads the default root certificates at <java.home>/lib/security/cacerts.
 * @param provider the provider or <code>null</code> for the default provider
 * @return a <CODE>KeyStore</CODE>
 */    
public static KeyStore loadCacertsKeyStore(String provider) {
    File file = new File(System.getProperty("java.home"), "lib");
    file = new File(file, "security");
    file = new File(file, "cacerts");
    FileInputStream fin = null;
    try {
        fin = new FileInputStream(file);
        KeyStore k;
        if (provider == null)
            k = KeyStore.getInstance("JKS");
        else
            k = KeyStore.getInstance("JKS", provider);
        k.load(fin, null);
        return k;
    }
    catch (Exception e) {
        throw new ExceptionConverter(e);
    }
    finally {
        try{if (fin != null) {fin.close();}}catch(Exception ex){}
    }
}