Example usage for java.security NoSuchAlgorithmException getCause

Introduction

In this page you can find the example usage for java.security NoSuchAlgorithmException getCause.

Prototype

public synchronized Throwable getCause() 

Source Link

Document

Returns the cause of this throwable or null if the cause is nonexistent or unknown.

Usage

From source file:ca.uhn.hl7v2.testpanel.model.conn.AbstractConnection.java

/**
 * TODO: rename/*from   w w w . ja  v a 2 s . c om*/
 */
public KeyStore getHohSignatureKeystore_() throws KeyStoreException {
    if (isBlank(getHohSignatureKeystore())) {
        return null;
    }
    if (myHohSignatureKeystore_ != null) {
        return myHohSignatureKeystore_;
    }

    File jksFile = new File(getHohSignatureKeystore());
    if (!jksFile.exists() || !jksFile.canRead()) {
        throw new KeyStoreException("File does not exist or can not be read: " + jksFile.getAbsolutePath());
    }

    char[] password = null;
    if (isNotBlank(myHohSignatureKeystorePassword)) {
        password = myHohSignatureKeystorePassword.toCharArray();
    }

    KeyStore keystore;
    try {
        keystore = KeystoreUtils.loadKeystore(jksFile, password);
    } catch (NoSuchAlgorithmException e) {
        ourLog.error("Failed to load keystore!", e);
        throw new KeyStoreException("Failed to load keystore: " + e.getMessage());
    } catch (CertificateException e) {
        ourLog.error("Failed to load keystore!", e);
        throw new KeyStoreException("Failed to load keystore: " + e.getMessage());
    } catch (IOException e) {
        ourLog.error("Failed to load keystore!", e);
        if (e.getCause() instanceof UnrecoverableKeyException) {
            throw new KeyStoreException("Keystore password appears to be incorrect");
        }
        throw new KeyStoreException("Failed to load keystore: " + e.getMessage());
    }

    if (this instanceof InboundConnection) {
        if (!KeystoreUtils.validateKeystoreForSignatureVerifying(keystore)) {
            throw new KeyStoreException("Keystore contains no keys appropriate for receiving data");
        }
    } else if (this instanceof OutboundConnection) {
        if (!KeystoreUtils.validateKeystoreForSignatureSigning(keystore)) {
            throw new KeyStoreException("Keystore contains no keys appropriate for receiving data");
        }
    }

    myHohSignatureKeystore_ = keystore;
    return myHohSignatureKeystore_;
}

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