diff options
Diffstat (limited to 'moaSig/moa-sig/src/main/java/at/gv/egovernment/moa/spss/server/webservice/binding/TransformParser.java')
| -rw-r--r-- | moaSig/moa-sig/src/main/java/at/gv/egovernment/moa/spss/server/webservice/binding/TransformParser.java | 363 |
1 files changed, 0 insertions, 363 deletions
diff --git a/moaSig/moa-sig/src/main/java/at/gv/egovernment/moa/spss/server/webservice/binding/TransformParser.java b/moaSig/moa-sig/src/main/java/at/gv/egovernment/moa/spss/server/webservice/binding/TransformParser.java deleted file mode 100644 index 1d05f22..0000000 --- a/moaSig/moa-sig/src/main/java/at/gv/egovernment/moa/spss/server/webservice/binding/TransformParser.java +++ /dev/null @@ -1,363 +0,0 @@ -/* - * Copyright 2003 Federal Chancellery Austria - * MOA-SPSS has been developed in a cooperation between BRZ, the Federal - * Chancellery Austria - ICT staff unit, and Graz University of Technology. - * - * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by - * the European Commission - subsequent versions of the EUPL (the "Licence"); - * You may not use this work except in compliance with the Licence. - * You may obtain a copy of the Licence at: - * http://www.osor.eu/eupl/ - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the Licence is distributed on an "AS IS" basis, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the Licence for the specific language governing permissions and - * limitations under the Licence. - * - * This product combines work with different licenses. See the "NOTICE" text - * file for details on the various modules and licenses. - * The "NOTICE" text file is part of the distribution. Any derivative works - * that you distribute must include a readable copy of the "NOTICE" text file. - */ - -package at.gv.egovernment.moa.spss.server.webservice.binding; - -import java.io.ByteArrayInputStream; -import java.io.IOException; -import java.io.Serializable; -import java.io.StringBufferInputStream; -import java.util.ArrayList; -import java.util.HashMap; -import java.util.Iterator; -import java.util.List; -import java.util.Map; -import java.util.StringTokenizer; - -import javax.xml.bind.JAXBElement; -import javax.xml.parsers.DocumentBuilder; -import javax.xml.parsers.DocumentBuilderFactory; -import javax.xml.parsers.ParserConfigurationException; - -import org.w3c.dom.Element; -import org.w3c.dom.traversal.NodeIterator; -import org.xml.sax.SAXException; - -import at.gv.egiz.moasig.MoaTransformType; -import at.gv.egiz.moasig.MoaTransformsType; -import at.gv.egovernment.moa.spss.MOAApplicationException; -import at.gv.egovernment.moa.spss.api.SPSSFactory; -import at.gv.egovernment.moa.spss.api.common.Base64Transform; -import at.gv.egovernment.moa.spss.api.common.CanonicalizationTransform; -import at.gv.egovernment.moa.spss.api.common.EnvelopedSignatureTransform; -import at.gv.egovernment.moa.spss.api.common.ExclusiveCanonicalizationTransform; -import at.gv.egovernment.moa.spss.api.common.Transform; -import at.gv.egovernment.moa.spss.api.common.XPathFilter; -import at.gv.egovernment.moa.spss.api.common.XPathFilter2Transform; -import at.gv.egovernment.moa.spss.api.common.XPathTransform; -import at.gv.egovernment.moa.spss.api.common.XSLTTransform; -import at.gv.egovernment.moaspss.util.Constants; -import at.gv.egovernment.moaspss.util.DOMUtils; -import at.gv.egovernment.moaspss.util.XPathUtils; - -/** - * A parser to parse XMLDsig <code>Transform</code> DOM elements into their MOA - * SPSS API representation. - * - * @author Patrick Peck - * @version $Id$ - */ -public class TransformParser { - // - // XPath expressions for selecting information from the DOM tree - // - private static final String DSIG = Constants.DSIG_PREFIX + ":"; - private static final String DSIG_FILTER2 = Constants.DSIG_FILTER2_PREFIX + ":"; - private static final String XSLT = Constants.XSLT_PREFIX + ":"; - private static final String EC = Constants.DSIG_EC_PREFIX + ":"; - private static final String TRANSFORM_XPATH = DSIG + "Transform"; - private static final String XPATH_XPATH = DSIG + "XPath"; - private static final String XSLT_ELEMENT_XPATH = XSLT + "stylesheet"; - private static final String XPATH2_XPATH = (DSIG_FILTER2 + "XPath[@Filter=\"intersect\"] | ") - + (DSIG_FILTER2 + "XPath[@Filter=\"subtract\"] | ") + (DSIG_FILTER2 + "XPath[@Filter=\"union\"]"); - private static final String INCLUSIVE_NAMESPACES_XPATH = EC + "InclusiveNamespaces"; - - /** - * The <code>SPSSFactory</code> to use for creating new API objects. - */ - private SPSSFactory factory = SPSSFactory.getInstance(); - - /** - * Parse an XMLDsig <code>Transforms</code> DOM element. - * - * @param transformsElem - * The <code>Transforms</code> DOM element to parse. - * @return A <code>List</code> of <code>Transform</code> API objects - * containing the data from the individual <code>Transform</code> - * DOM elements. - * @throws MOAApplicationException - * An error occurred parsing the <code>Transforms</code> DOM - * element. - */ - public List parseTransforms(MoaTransformsType moaTransformsType) throws MOAApplicationException { - List transforms = new ArrayList(); - if (moaTransformsType.getMoaTransform() != null) { - Iterator<MoaTransformType> transformIterator = moaTransformsType.getMoaTransform().iterator(); - - while (transformIterator.hasNext()) { - MoaTransformType transformType = transformIterator.next(); - Transform transform = parseTransform(transformType); - transforms.add(transform); - } - } - return transforms; - } - - /** - * Parse an XMLDsig <code>Transform</code> DOM element. - * - * @param transformElem - * <code>Transform</code> DOM element to parse. - * @return The <code>Transform</code> API object containing the data from - * the <code>Transform</code> DOM element. - * @throws MOAApplicationException - * An error occurred parsing the <code>Transform</code> DOM - * element. - */ - public Transform parseTransform(MoaTransformType transformType) throws MOAApplicationException { - - String algorithmUri = transformType.getAlgorithm();// transformElem.getAttribute("Algorithm"); - - if (CanonicalizationTransform.CANONICAL_XML.equals(algorithmUri) - || CanonicalizationTransform.CANONICAL_XML_WITH_COMMENTS.equals(algorithmUri)) { - return factory.createCanonicalizationTransform(algorithmUri); - } else if (ExclusiveCanonicalizationTransform.EXCLUSIVE_CANONICAL_XML.equals(algorithmUri) - || ExclusiveCanonicalizationTransform.EXCLUSIVE_CANONICAL_XML_WITH_COMMENTS.equals(algorithmUri)) { - return parseExclusiveC14nTransform(algorithmUri, transformType); - } else if (Base64Transform.BASE64_DECODING.equals(algorithmUri)) { - return factory.createBase64Transform(); - } else if (EnvelopedSignatureTransform.ENVELOPED_SIGNATURE.equals(algorithmUri)) { - return factory.createEnvelopedSignatureTransform(); - } else if (XPathTransform.XPATH.equals(algorithmUri)) { - return parseXPathTransform(transformType); - } else if (XPathFilter2Transform.XPATH_FILTER2.equals(algorithmUri)) { - return parseXPathFilter2Transform(transformType); - } else if (XSLTTransform.XSLT.equals(algorithmUri)) { - return parseXSLTTransform(transformType); - } else { - throw new MOAApplicationException("1108", new Object[] { algorithmUri }); - } - } - - private List<byte[]> getDataObjectFromMoaTransform(MoaTransformType transformType) { - Iterator<Serializable> objectsIterator = transformType.getContent().iterator(); - List<byte[]> dataObjects = new ArrayList<byte[]>(); - while (objectsIterator.hasNext()) { - Serializable serializable = objectsIterator.next(); - if (serializable instanceof JAXBElement<?>) { - JAXBElement<?> jaxb = (JAXBElement<?>) serializable; - if (jaxb.getDeclaredType() == byte[].class) { - JAXBElement<byte[]> jaxbString = (JAXBElement<byte[]>) serializable; - dataObjects.add(jaxbString.getValue()); - } - } - } - return dataObjects; - } - - private List<String> getStringFromMoaTransform(MoaTransformType transformType) { - Iterator<Serializable> objectsIterator = transformType.getContent().iterator(); - List<String> dataObjects = new ArrayList<String>(); - while (objectsIterator.hasNext()) { - Serializable serializable = objectsIterator.next(); - if (serializable instanceof JAXBElement<?>) { - JAXBElement<?> jaxb = (JAXBElement<?>) serializable; - if (jaxb.getDeclaredType() == String.class) { - JAXBElement<String> jaxbString = (JAXBElement<String>) serializable; - dataObjects.add(jaxbString.getValue()); - } - } else if (serializable instanceof String) { - dataObjects.add((String) serializable); - } - } - return dataObjects; - } - - /** - * Parse an exclusive canonicalization type of transform. - * - * @param algorithmUri - * The algorithm URI of the canonicalization algorithm. - * @param transformElem - * The <code>Transform</code> DOM element to parse. - * @return An <code>ExclusiveCanonicalizationTransform</code> API object - * containing the data from the <code>transformElem</code>. - * @throws MOAApplicationException - */ - private Transform parseExclusiveC14nTransform(String algorithmUri, MoaTransformType transformType) - throws MOAApplicationException { - List<byte[]> data = getDataObjectFromMoaTransform(transformType); - List inclusiveNamespaces = new ArrayList(); - Iterator<byte[]> dataIterator = data.iterator(); - while (dataIterator.hasNext()) { - byte[] dataObject = dataIterator.next(); - Element transform; - try { - transform = DOMUtils.parseXmlNonValidating(new ByteArrayInputStream(dataObject)); - } catch (ParserConfigurationException e) { - throw new MOAApplicationException("failed to parse transform element", null, e); - } catch (SAXException e) { - throw new MOAApplicationException("failed to parse transform element", null, e); - } catch (IOException e) { - throw new MOAApplicationException("failed to parse transform element", null, e); - } - - Element inclusiveNamespacesElem = (Element) XPathUtils.selectSingleNode(transform, - INCLUSIVE_NAMESPACES_XPATH); - - if (inclusiveNamespacesElem != null) { - StringTokenizer tokenizer = new StringTokenizer(inclusiveNamespacesElem.getAttribute("PrefixList")); - while (tokenizer.hasMoreTokens()) { - inclusiveNamespaces.add(tokenizer.nextToken()); - } - } - } - return factory.createExclusiveCanonicalizationTransform(algorithmUri, inclusiveNamespaces); - } - - /** - * Parse an <code>XPath</code> type of <code>Transform</code>. - * - * @param transformElem - * The <code>Transform</code> DOM element to parse. - * @return The <code>Transform</code> API object representation of the - * <code>Transform</code> DOM element. - * @throws MOAApplicationException - * An error occurred parsing the <code>Transform</code> DOM - * element. - */ - private Transform parseXPathTransform(MoaTransformType transformType) throws MOAApplicationException { - // TODO: XPATH Namespace Declarations - List<String> xPathTransforms = getStringFromMoaTransform(transformType); - Map nsDecls; - if (xPathTransforms.isEmpty()) { - throw new MOAApplicationException("2202", null); - } - nsDecls = new HashMap(); - return factory.createXPathTransform(xPathTransforms.get(0), nsDecls); - /* - * Element xPathElem = (Element) - * XPathUtils.selectSingleNode(transformElem, XPATH_XPATH); - * - * - * if (xPathElem == null) { throw new MOAApplicationException("2202", - * null); } - * - * nsDecls = DOMUtils.getNamespaceDeclarations(xPathElem); - * nsDecls.remove(""); - * - * return factory.createXPathTransform(DOMUtils.getText(xPathElem), - * nsDecls); - */ - } - - /** - * Parse an <code>XPathFilter2</code> type of <code>Transform</code>. - * - * @param transformElem - * The <code>Transform</code> DOM element to parse. - * @return The <code>Transform</code> API object representation of the - * <code>Transform</code> DOM element. - * @throws MOAApplicationException - * An error occurred parsing the <code>Transform</code> DOM - * element. - */ - private Transform parseXPathFilter2Transform(MoaTransformType transformType) throws MOAApplicationException { - - List<byte[]> data = getDataObjectFromMoaTransform(transformType); - - List filters = new ArrayList(); - Iterator<byte[]> dataIterator = data.iterator(); - while (dataIterator.hasNext()) { - byte[] dataObject = dataIterator.next(); - Element transform; - try { - transform = DOMUtils.parseXmlNonValidating(new ByteArrayInputStream(dataObject)); - } catch (ParserConfigurationException e) { - throw new MOAApplicationException("failed to parse transform element", null, e); - } catch (SAXException e) { - throw new MOAApplicationException("failed to parse transform element", null, e); - } catch (IOException e) { - throw new MOAApplicationException("failed to parse transform element", null, e); - } - - NodeIterator iter = XPathUtils.selectNodeIterator(transform, XPATH2_XPATH); - Element filterElem; - - while ((filterElem = (Element) iter.nextNode()) != null) { - String filterAttr = filterElem.getAttribute("Filter"); - String filterType; - String expression; - Map nsDecls; - - if (filterAttr.equals("intersect")) { - filterType = XPathFilter.INTERSECT_TYPE; - } else if (filterAttr.equals("subtract")) { - filterType = XPathFilter.SUBTRACT_TYPE; - } else { - filterType = XPathFilter.UNION_TYPE; - } - - expression = DOMUtils.getText(filterElem); - nsDecls = DOMUtils.getNamespaceDeclarations(filterElem); - nsDecls.remove(""); - filters.add(factory.createXPathFilter(filterType, expression, nsDecls)); - } - } - if (filters.size() == 0) { - throw new MOAApplicationException("2216", null); - } - - return factory.createXPathFilter2Transform(filters); - } - - /** - * Parse an <code>XSLT</code> type of <code>Transform</code>. - * - * @param transformElem - * The <code>Transform</code> DOM element to parse. - * @return The <code>Transform</code> API object representation of the - * <code>Transform</code> DOM element. - * @throws MOAApplicationException - * An error occurred parsing the <code>Transform</code> DOM - * element. - */ - private Transform parseXSLTTransform(MoaTransformType transformType) throws MOAApplicationException { - List<byte[]> data = getDataObjectFromMoaTransform(transformType); - - if (data.isEmpty()) { - throw new MOAApplicationException("2215", null); - } - - byte[] dataObject = data.get(0); - Element transform; - try { - transform = DOMUtils.parseXmlNonValidating(new ByteArrayInputStream(dataObject)); - } catch (ParserConfigurationException e) { - throw new MOAApplicationException("failed to parse transform element", null, e); - } catch (SAXException e) { - throw new MOAApplicationException("failed to parse transform element", null, e); - } catch (IOException e) { - throw new MOAApplicationException("failed to parse transform element", null, e); - } - - Element xsltElem = (Element) XPathUtils.selectSingleNode(transform, XSLT_ELEMENT_XPATH); - - if (xsltElem == null) { - - } - - return factory.createXSLTTransform(xsltElem); - } - -} |