Example usage for javax.xml.crypto NodeSetData iterator

Introduction

In this page you can find the example usage for javax.xml.crypto NodeSetData iterator.

Prototype

Iterator<T> iterator();

Source Link

Document

Returns a read-only iterator over the nodes contained in this <code>NodeSetData</code> in <a href="http://www.w3.org/TR/1999/REC-xpath-19991116#dt-document-order"> document order</a>.

Usage

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

public Data canonicalize(Data data, XMLCryptoContext xc, OutputStream os) throws TransformException {
    if (apacheCanonicalizer == null) {
        try {//from w ww. ja va 2s . c  o  m
            apacheCanonicalizer = Canonicalizer.getInstance(getAlgorithm());
            if (log.isDebugEnabled()) {
                log.debug("Created canonicalizer for algorithm: " + getAlgorithm());
            }
        } catch (InvalidCanonicalizerException ice) {
            throw new TransformException(
                    "Couldn't find Canonicalizer for: " + getAlgorithm() + ": " + ice.getMessage(), ice);
        }
    }

    if (os != null) {
        apacheCanonicalizer.setWriter(os);
    } else {
        apacheCanonicalizer.setWriter(new ByteArrayOutputStream());
    }

    try {
        Set<Node> nodeSet = null;
        if (data instanceof ApacheData) {
            XMLSignatureInput in = ((ApacheData) data).getXMLSignatureInput();
            if (in.isElement()) {
                if (inclusiveNamespaces != null) {
                    return new OctetStreamData(new ByteArrayInputStream(
                            apacheCanonicalizer.canonicalizeSubtree(in.getSubNode(), inclusiveNamespaces)));
                } else {
                    return new OctetStreamData(
                            new ByteArrayInputStream(apacheCanonicalizer.canonicalizeSubtree(in.getSubNode())));
                }
            } else if (in.isNodeSet()) {
                nodeSet = in.getNodeSet();
            } else {
                return new OctetStreamData(new ByteArrayInputStream(
                        apacheCanonicalizer.canonicalize(Utils.readBytesFromStream(in.getOctetStream()))));
            }
        } else if (data instanceof DOMSubTreeData) {
            DOMSubTreeData subTree = (DOMSubTreeData) data;
            if (inclusiveNamespaces != null) {
                return new OctetStreamData(new ByteArrayInputStream(
                        apacheCanonicalizer.canonicalizeSubtree(subTree.getRoot(), inclusiveNamespaces)));
            } else {
                return new OctetStreamData(
                        new ByteArrayInputStream(apacheCanonicalizer.canonicalizeSubtree(subTree.getRoot())));
            }
        } else if (data instanceof NodeSetData) {
            NodeSetData nsd = (NodeSetData) data;
            // convert Iterator to Set
            @SuppressWarnings("unchecked")
            Set<Node> ns = Utils.toNodeSet(nsd.iterator());
            nodeSet = ns;
            if (log.isDebugEnabled()) {
                log.debug("Canonicalizing " + nodeSet.size() + " nodes");
            }
        } else {
            return new OctetStreamData(new ByteArrayInputStream(apacheCanonicalizer
                    .canonicalize(Utils.readBytesFromStream(((OctetStreamData) data).getOctetStream()))));
        }
        if (inclusiveNamespaces != null) {
            return new OctetStreamData(new ByteArrayInputStream(
                    apacheCanonicalizer.canonicalizeXPathNodeSet(nodeSet, inclusiveNamespaces)));
        } else {
            return new OctetStreamData(
                    new ByteArrayInputStream(apacheCanonicalizer.canonicalizeXPathNodeSet(nodeSet)));
        }
    } catch (Exception e) {
        throw new TransformException(e);
    }
}

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

public Data canonicalize(Data data, XMLCryptoContext xc, OutputStream os) throws TransformException {
    if (apacheCanonicalizer == null) {
        try {// w ww.ja  va  2  s.c  om
            apacheCanonicalizer = Canonicalizer.getInstance(getAlgorithm());
            if (log.isDebugEnabled()) {
                log.debug("Created canonicalizer for algorithm: " + getAlgorithm());
            }
        } catch (InvalidCanonicalizerException ice) {
            throw new TransformException(
                    "Couldn't find Canonicalizer for: " + getAlgorithm() + ": " + ice.getMessage(), ice);
        }
    }

    if (os != null) {
        apacheCanonicalizer.setWriter(os);
    } else {
        apacheCanonicalizer.setWriter(new ByteArrayOutputStream());
    }

    try {
        Set<Node> nodeSet = null;
        if (data instanceof ApacheData) {
            XMLSignatureInput in = ((ApacheData) data).getXMLSignatureInput();
            if (in.isElement()) {
                if (inclusiveNamespaces != null) {
                    return new OctetStreamData(new ByteArrayInputStream(
                            apacheCanonicalizer.canonicalizeSubtree(in.getSubNode(), inclusiveNamespaces)));
                } else {
                    return new OctetStreamData(
                            new ByteArrayInputStream(apacheCanonicalizer.canonicalizeSubtree(in.getSubNode())));
                }
            } else if (in.isNodeSet()) {
                nodeSet = in.getNodeSet();
            } else {
                return new OctetStreamData(new ByteArrayInputStream(
                        apacheCanonicalizer.canonicalize(Utils.readBytesFromStream(in.getOctetStream()))));
            }
        } else if (data instanceof DOMSubTreeData) {
            DOMSubTreeData subTree = (DOMSubTreeData) data;
            if (inclusiveNamespaces != null) {
                return new OctetStreamData(new ByteArrayInputStream(
                        apacheCanonicalizer.canonicalizeSubtree(subTree.getRoot(), inclusiveNamespaces)));
            } else {
                return new OctetStreamData(
                        new ByteArrayInputStream(apacheCanonicalizer.canonicalizeSubtree(subTree.getRoot())));
            }
        } else if (data instanceof NodeSetData) {
            NodeSetData nsd = (NodeSetData) data;
            // convert Iterator to Set
            nodeSet = Utils.toNodeSet(nsd.iterator());
            if (log.isDebugEnabled()) {
                log.debug("Canonicalizing " + nodeSet.size() + " nodes");
            }
        } else {
            return new OctetStreamData(new ByteArrayInputStream(apacheCanonicalizer
                    .canonicalize(Utils.readBytesFromStream(((OctetStreamData) data).getOctetStream()))));
        }
        if (inclusiveNamespaces != null) {
            return new OctetStreamData(new ByteArrayInputStream(
                    apacheCanonicalizer.canonicalizeXPathNodeSet(nodeSet, inclusiveNamespaces)));
        } else {
            return new OctetStreamData(
                    new ByteArrayInputStream(apacheCanonicalizer.canonicalizeXPathNodeSet(nodeSet)));
        }
    } catch (Exception e) {
        throw new TransformException(e);
    }
}

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