Java Data类代码示例

import javax.xml.crypto.Data; //导入依赖的package包/类
@Override
public Data dereference(URIReference arg0, XMLCryptoContext arg1)
		throws URIReferenceException {

	String partPath = arg0.getURI().toString();
	System.out.println(partPath + " in package ? "
			+ odfDoc.getPackage().contains(partPath));

	// see if our document contains this part, if not dereference using
	// default dereferencer
	if (!odfDoc.getPackage().contains(partPath)) {
		return defaultURIDereferencer.dereference(arg0, arg1);
	}

	// return part content as octet stream data
	InputStream is = odfDoc.getPackage().getInputStream(partPath);
	OctetStreamData retData = new OctetStreamData(is);

	return retData;

}
 

import javax.xml.crypto.Data; //导入依赖的package包/类
public Data dereference(final URIReference ref, XMLCryptoContext ctx)
throws URIReferenceException {
    String uri = ref.getURI();
    if (uri.equals(STYLESHEET) || uri.equals(STYLESHEET_B64)) {
        try {
            FileInputStream fis = new FileInputStream(new File
                (DATA_DIR, uri.substring(uri.lastIndexOf('/'))));
            return new OctetStreamData(fis,ref.getURI(),ref.getType());
        } catch (Exception e) { throw new URIReferenceException(e); }
    }

    // fallback on builtin deref
    return defaultUd.dereference(ref, ctx);
}
 

import javax.xml.crypto.Data; //导入依赖的package包/类
@Override
public Data dereference(final URIReference ref, XMLCryptoContext ctx)
        throws URIReferenceException {
    // return static content
    return new OctetStreamData(new ByteArrayInputStream(
            "<test>test</test>".getBytes()), ref.getURI(),
            ref.getType());
}
 

import javax.xml.crypto.Data; //导入依赖的package包/类
public Data dereference(final URIReference ref, XMLCryptoContext ctx)
throws URIReferenceException {
    dereferenced = true;

    // fallback
    return ud.dereference(ref, ctx);
}
 

import javax.xml.crypto.Data; //导入依赖的package包/类
public Data dereference(URIReference ref, XMLCryptoContext ctxt) {
    return new NodeSetData() {
        public Iterator<Node> iterator() {
            return Collections.singletonList(data).iterator();
        }
    };
}
 

import javax.xml.crypto.Data; //导入依赖的package包/类
public Data dereference(URIReference uriReference, XMLCryptoContext context)
    throws URIReferenceException {
    String uri = uriReference.getURI();
    if (uriMap.containsKey(uri)) {
        try {
            FileInputStream fis = new FileInputStream(uriMap.get(uri));
            return new OctetStreamData(
                fis, uriReference.getURI(), uriReference.getType());
        } catch (Exception e) { throw new URIReferenceException(e); }
    }

    // fallback on builtin deref
    return ud.dereference(uriReference, context);
}
 

import javax.xml.crypto.Data; //导入依赖的package包/类
public Data dereference(URIReference uriReference, XMLCryptoContext context) throws URIReferenceException {

        if (uriReference == null) {
            throw new NullPointerException("Parameter 'uriReference' cannot be null.");
        }

        if (context == null) {
            throw new NullPointerException("Parameter 'context' can notbe null.");
        }

        if (!(uriReference instanceof DOMURIReference && context instanceof DOMCryptoContext)) {
            throw new IllegalArgumentException(String.format("This %s implementation supports the DOM XML mechanism only.",
                    URIDereferencer.class.getName()));
        }

        String uriString = uriReference.getURI();

        if (uriString == null) {
            throw new URIReferenceException("Cannot resolve a URI of value 'null'.");
        }

        if (uriString != null && ((uriString.length() != 0 && uriString.charAt(0) == '#') || uriString.isEmpty())) {
            // same document uri
            XMLSignatureFactory fac = XMLSignatureFactory.getInstance("DOM");
            return fac.getURIDereferencer().dereference(uriReference, context);
        }

        throw new URIReferenceException(String.format("URI reference %s not supported", uriString));
    }
 

import javax.xml.crypto.Data; //导入依赖的package包/类
public Data dereference(URIReference uriReference, XMLCryptoContext xmlCryptoContext)
		throws URIReferenceException {
	String uri = uriReference.getURI();
	byte[] data = this.resources.get(uri);
	if (null == data) {
		return null;
	}
	return new OctetStreamData(new ByteArrayInputStream(data));
}
 

import javax.xml.crypto.Data; //导入依赖的package包/类
@Override
public Data dereference(URIReference uriReference, XMLCryptoContext context) throws URIReferenceException
{
	try
	{
		if (uriReference.getURI().startsWith("cid:"))
		{
			DataSource ds = null;
			for (EbMSDataSource dataSource : dataSources)
				if (uriReference.getURI().substring("cid:".length()).equals(dataSource.getContentId()))
				{
					ds = dataSource;
					break;
				}
			if (ds == null)
				throw new URIReferenceException("Reference URI = " + uriReference.getURI() + " does not exist!");
			XMLSignatureInput in = new XMLSignatureInput(ds.getInputStream());
			if (in.isOctetStream())
				return new ApacheOctetStreamData(in);
			else
				return new ApacheNodeSetData(in);
		}
		else
			return DOMURIDereferencer.INSTANCE.dereference(uriReference,context);
	}
	catch (Exception e)
	{
		throw new URIReferenceException(e);
	}
}
 

import javax.xml.crypto.Data; //导入依赖的package包/类
@Override
public <Data> SagaInstanceData<Data> findWithData(String sagaType, String sagaId) {
  SagaInstance sagaInstance = find(sagaType, sagaId);
  Data sagaData = SagaDataSerde.deserializeSagaData(sagaInstance.getSerializedSagaData());
  return new SagaInstanceData<>(sagaInstance, sagaData);
}
 

import javax.xml.crypto.Data; //导入依赖的package包/类
@Override
public Data dereference(XMLCryptoContext context)
    throws URIReferenceException
{
    if (context == null) {
        throw new NullPointerException("context cannot be null");
    }

    /*
     * If URIDereferencer is specified in context; use it, otherwise use
     * built-in.
     */
    URIDereferencer deref = context.getURIDereferencer();
    if (deref == null) {
        deref = DOMURIDereferencer.INSTANCE;
    }

    Data data = deref.dereference(this, context);

    // pass dereferenced data through Transforms
    try {
        for (Transform transform : transforms) {
            data = transform.transform(data, context);
        }
    } catch (Exception e) {
        throw new URIReferenceException(e);
    }

    // guard against RetrievalMethod loops
    if (data instanceof NodeSetData && Utils.secureValidation(context)) {
        NodeSetData nsd = (NodeSetData)data;
        Iterator<?> i = nsd.iterator();
        if (i.hasNext()) {
            Node root = (Node)i.next();
            if ("RetrievalMethod".equals(root.getLocalName())) {
                throw new URIReferenceException(
                    "It is forbidden to have one RetrievalMethod point " +
                    "to another when secure validation is enabled");
            }
        }
    }

    return data;
}
 

import javax.xml.crypto.Data; //导入依赖的package包/类
public Data getDereferencedData() {
    return derefData;
}