Example usage for javax.xml.crypto.dsig XMLSignContext getProperty

Introduction

In this page you can find the example usage for javax.xml.crypto.dsig XMLSignContext getProperty.

Prototype

Object getProperty(String name);

Source Link

Document

Returns the value of the specified property.

Usage

From source file:org.apache.jcp.xml.dsig.internal.dom.DOMSignatureMethod.java

byte[] sign(Key key, SignedInfo si, XMLSignContext context) throws InvalidKeyException, XMLSignatureException {
    if (key == null || si == null) {
        throw new NullPointerException();
    }/* w  w w  .  j  a  va2 s. co  m*/

    if (!(key instanceof PrivateKey)) {
        throw new InvalidKeyException("key must be PrivateKey");
    }
    if (signature == null) {
        try {
            Provider p = (Provider) context.getProperty("org.jcp.xml.dsig.internal.dom.SignatureProvider");
            signature = (p == null) ? Signature.getInstance(getJCAAlgorithm())
                    : Signature.getInstance(getJCAAlgorithm(), p);
        } catch (NoSuchAlgorithmException nsae) {
            throw new XMLSignatureException(nsae);
        }
    }
    signature.initSign((PrivateKey) key);
    if (log.isDebugEnabled()) {
        log.debug("Signature provider:" + signature.getProvider());
        log.debug("Signing with key: " + key);
    }

    ((DOMSignedInfo) si).canonicalize(context, new SignerOutputStream(signature));

    try {
        Type type = getAlgorithmType();
        if (type == Type.DSA) {
            return convertASN1toXMLDSIG(signature.sign());
        } else if (type == Type.ECDSA) {
            return SignatureECDSA.convertASN1toXMLDSIG(signature.sign());
        } else {
            return signature.sign();
        }
    } catch (SignatureException se) {
        throw new XMLSignatureException(se);
    } catch (IOException ioe) {
        throw new XMLSignatureException(ioe);
    }
}

---