![](/img/trans.png)
[英]Adding Java class to Oracle database by SQL Developer - compilation error
[英]Oracle SQL Developer load Java error
我正在嘗試將Java代碼加載到我的Oracle SQL開發人員。 在Load java上,我從我的hdd中(從NetBeans
目標文件夾中)選擇Java源,然后出現以下錯誤。 有什么幫助嗎?
這是代碼。 它在NetBeans中運行良好,我正嘗試在.java文件中的SQL Developer中加載它。
package c2_01_signhelloworld;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.security.KeyStore;
import java.security.PrivateKey;
import java.security.Security;
import java.security.cert.Certificate;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfReader;
import com.itextpdf.text.pdf.PdfSignatureAppearance;
import com.itextpdf.text.pdf.PdfStamper;
import com.itextpdf.text.pdf.security.BouncyCastleDigest;
import com.itextpdf.text.pdf.security.DigestAlgorithms;
import com.itextpdf.text.pdf.security.ExternalDigest;
import com.itextpdf.text.pdf.security.ExternalSignature;
import com.itextpdf.text.pdf.security.MakeSignature;
import com.itextpdf.text.pdf.security.MakeSignature.CryptoStandard;
import com.itextpdf.text.pdf.security.PrivateKeySignature;
public class C2_01_SignHelloWorld {
public static final String KEYSTORE = "C:/Users/kranjcevicb/Documents/itext/2/ks";
public static final char[] PASSWORD = "password".toCharArray();
public static final String SRC = "C:/Users/kranjcevicb/Documents/itext/2/unsigned1.pdf";
public static final String DEST = "C:/Users/kranjcevicb/Documents/itext/2/unsigned1_signed.pdf";
public void sign(String src, String dest,
Certificate[] chain,
PrivateKey pk, String digestAlgorithm, String provider,
CryptoStandard subfilter,
String reason, String location)
throws GeneralSecurityException, IOException, DocumentException {
// Creating the reader and the stamper
PdfReader reader = new PdfReader(src);
FileOutputStream os = new FileOutputStream(dest);
PdfStamper stamper = PdfStamper.createSignature(reader, os, '\0');
// Creating the appearance
PdfSignatureAppearance appearance = stamper.getSignatureAppearance();
appearance.setReason(reason);
appearance.setLocation(location);
appearance.setVisibleSignature(new Rectangle(36, 748, 144, 780), 1, "sig");
// Creating the signature
ExternalDigest digest = new BouncyCastleDigest();
ExternalSignature signature = new PrivateKeySignature(pk, digestAlgorithm, provider);
MakeSignature.signDetached(appearance, digest, signature, chain, null, null, null, 0, subfilter);
}
public static void main(String[] args) throws GeneralSecurityException, IOException, DocumentException {
BouncyCastleProvider provider = new BouncyCastleProvider();
Security.addProvider(provider);
KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
ks.load(new FileInputStream(KEYSTORE), PASSWORD);
String alias = (String)ks.aliases().nextElement();
PrivateKey pk = (PrivateKey) ks.getKey(alias, PASSWORD);
Certificate[] chain = ks.getCertificateChain(alias);
C2_01_SignHelloWorld app = new C2_01_SignHelloWorld();
app.sign(SRC, String.format(DEST, 1), chain, pk, DigestAlgorithms.SHA256, provider.getName(), CryptoStandard.CMS, "Test 1", "Ghent");
app.sign(SRC, String.format(DEST, 2), chain, pk, DigestAlgorithms.SHA512, provider.getName(), CryptoStandard.CMS, "Test 2", "Ghent");
app.sign(SRC, String.format(DEST, 3), chain, pk, DigestAlgorithms.SHA256, provider.getName(), CryptoStandard.CADES, "Test 3", "Ghent");
app.sign(SRC, String.format(DEST, 4), chain, pk, DigestAlgorithms.RIPEMD160, provider.getName(), CryptoStandard.CADES, "Test 4", "Ghent");
}
}
使用sqldeveloper中的左窗格java選項加載Java類時遇到相同的問題。 但是,當我嘗試使用下面的代碼加載Java時,它就解決了
CREATE OR REPLACE AND COMPILE JAVA SOURCE NAMED "JavaClassName" AS
public class JavaClassName{
public static String MyFunction(){
.....do something......
return "output";
}
}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.