diff options
Diffstat (limited to 'spss/server/serverlib')
| -rw-r--r-- | spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/invoke/DataObjectFactory.java | 166 |
1 files changed, 99 insertions, 67 deletions
diff --git a/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/invoke/DataObjectFactory.java b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/invoke/DataObjectFactory.java index 566784796..f6b8b4392 100644 --- a/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/invoke/DataObjectFactory.java +++ b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/invoke/DataObjectFactory.java @@ -27,10 +27,11 @@ import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; -import java.util.Vector; import javax.xml.parsers.ParserConfigurationException; +import org.apache.xerces.dom.CoreDocumentImpl; +import org.w3c.dom.Attr; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; @@ -70,19 +71,30 @@ import at.gv.egovernment.moa.util.XPathUtils; /** * A class to create <code>DataObject</code>s contained in different * locations of the MOA XML request format. - * + * * @author Patrick Peck * @author Gregor Karlinger * @version $Id$ */ public class DataObjectFactory { + /** + * XPATH for registering ID attributes of known schemas if + * validating parsing fails. + */ + private static final String XPATH = + "descendant-or-self::node()[" + + "namespace-uri()='http://www.w3.org/2000/09/xmldsig#' " + + "or namespace-uri()='http://reference.e-government.gv.at/namespace/persondata/20020228#' " + + "or starts-with(namespace-uri(), 'http://uri.etsi.org/01903/')" + + "]/attribute::Id"; + /** The single instance of this class. */ private static DataObjectFactory instance = null; /** * Return the only instance of this class. - * + * * @return The only instance of this class. */ public static synchronized DataObjectFactory getInstance() { @@ -94,7 +106,7 @@ public class DataObjectFactory { /** * Create a new <code>DataObjectFactory</code>. - * + * * Protected to disallow multiple instances. */ protected DataObjectFactory() { @@ -104,8 +116,8 @@ public class DataObjectFactory { * Return the signature environment, i.e., the root element of the * document, into which the signature will be inserted (if created) or which * contains the signature (if verified). - * - * @param content The <code>Content</code> object containing the signature + * + * @param content The <code>Content</code> object containing the signature * environment. * @param supplements Additional schema or DTD information. * @return The signature environment or <code>null</code>, if no @@ -128,7 +140,7 @@ public class DataObjectFactory { checkAllowContentAndReference(content, false); // build the EntityResolver for validating parsing - if (supplements == null || supplements.isEmpty()) { + if ((supplements == null) || supplements.isEmpty()) { entityResolver = new MOAEntityResolver(); } else { EntityResolverChain chain = new EntityResolverChain(); @@ -195,7 +207,7 @@ public class DataObjectFactory { Element element = checkForSingleElement(((ContentXML) content).getXMLContent()); contentBytes = DOMUtils.serializeNode(element, "UTF-8"); - + break; } default : { @@ -208,25 +220,27 @@ public class DataObjectFactory { throw new MOAApplicationException("2219", null); } - // For logging in Debug-Mode: Mask baseid with xxx - String logString = new String(contentBytes); - // TODO use RegExp - String startS = "<pr:Identification><pr:Value>"; - String endS = "</pr:Value><pr:Type>urn:publicid:gv.at:baseid</pr:Type>"; - String logWithMaskedBaseid = logString; - int start = logString.indexOf(startS); - if (start > -1) { - int end = logString.indexOf(endS); - if (end > -1) { + if (Logger.isTraceEnabled()) { + // For logging in Debug-Mode: Mask baseid with xxx + String logString = new String(contentBytes); + // TODO use RegExp + String startS = "<pr:Identification><pr:Value>"; + String endS = "</pr:Value><pr:Type>urn:publicid:gv.at:baseid</pr:Type>"; + String logWithMaskedBaseid = logString; + int start = logString.indexOf(startS); + if (start > -1) { + int end = logString.indexOf(endS); + if (end > -1) { logWithMaskedBaseid = logString.substring(0, start); logWithMaskedBaseid += startS; logWithMaskedBaseid += "xxxxxxxxxxxxxxxxxxxxxxxx"; logWithMaskedBaseid += logString.substring(end, logString.length()); - } + } + } + + // try to parse validating + Logger.trace(">>> parsing the following content: \n" + logWithMaskedBaseid); } - - // try to parse validating - Logger.trace(">>> parsing the following content: \n" + logWithMaskedBaseid); try { ByteArrayInputStream is = new ByteArrayInputStream(contentBytes); Document doc = @@ -250,6 +264,21 @@ public class DataObjectFactory { try { ByteArrayInputStream is = new ByteArrayInputStream(contentBytes); Document doc = DOMUtils.parseDocument(is, false, null, null); + // Since the parse tree will not contain any post schema validation information, + // we need to register any attributes known to be of type xsd:Id manually. + NodeList idAttributes = XPathUtils.selectNodeList(doc.getDocumentElement(), XPATH); + for (int i = 0; i < idAttributes.getLength(); i++) { + Node item = idAttributes.item(i); + if (item instanceof Attr) { + Attr attr = (Attr) item; + Element owner = attr.getOwnerElement(); + // Only available in DOM-Level 3 (Java 1.5): + // owner.setIdAttributeNode(attr, true); + if (doc instanceof CoreDocumentImpl) { + ((CoreDocumentImpl) doc).putIdentifier(attr.getValue(), owner); + } + } + } return new XMLDataObjectImpl(doc.getDocumentElement()); } catch (Exception e) { throw new MOAApplicationException("2218", null); @@ -258,11 +287,11 @@ public class DataObjectFactory { /** * Create an <code>XMLDataObject</code> from the given signature environment. - * + * * @param signatureEnvironment The signature environment contained in the * result. * @param uri The URI identifying the data. This must be either the empty - * URI, an URI starting with <code>"#xpointer"</code>, <code>"#xmlns"</code> + * URI, an URI starting with <code>"#xpointer"</code>, <code>"#xmlns"</code> * or <code>"#element"</code>; or an URI starting with <code>"#"</code> and * followed by an element ID. * @param referenceID The reference ID to set for the data object. @@ -312,16 +341,16 @@ public class DataObjectFactory { } /** - * Build a <code>StreamEntityResolver</code> from a <code>List</code> of + * Build a <code>StreamEntityResolver</code> from a <code>List</code> of * supplements. - * - * @param supplements The supplements, given as + * + * @param supplements The supplements, given as * <code>XMLDataObjectAssociation</code>s. * @return A <code>StreamEntityResolver</code> mapping the supplements by * their reference URI to an <code>InputStream</code> of their respective - * content. + * content. */ - private static StreamEntityResolver buildSupplementEntityResolver(List supplements) + private static StreamEntityResolver buildSupplementEntityResolver(List supplements) throws MOAApplicationException { Map entities = new HashMap(); @@ -342,10 +371,10 @@ public class DataObjectFactory { case Content.LOCREF_CONTENT: { String locRefURI = ((ContentLocRef) content).getLocationReferenceURI(); - + TransactionContext context = TransactionContextManager.getInstance().getTransactionContext(); if (context.FindResolvedEntity(locRefURI)==null) { - + ExternalURIResolver uriResolver = new ExternalURIResolver(); InputStream uriStream = null; byte[] contentBytes; @@ -378,17 +407,18 @@ public class DataObjectFactory { int i = 0; // find the first element node - while (i < nodes.getLength() - && nodes.item(i).getNodeType() != Node.ELEMENT_NODE) + while ((i < nodes.getLength()) + && (nodes.item(i).getNodeType() != Node.ELEMENT_NODE)) { i++; + } // serialize the node if (i < nodes.getLength()) { - try + try { byte[] serialized = DOMUtils.serializeNode(nodes.item(i), "UTF-8"); entities.put(reference, new ByteArrayInputStream(serialized)); - } + } catch (Exception e) { throw new MOAApplicationException("2281", new Object[]{reference}, e); @@ -404,7 +434,7 @@ public class DataObjectFactory { /** * Create a <code>DataObject</code> from a <code>Content</code> object. - * + * * @param content The <code>Content</code> object containing the data. * @param finalDataMetaInfo The meta information corresponding with <code>content</code>. * @param referenceID The reference ID to set in the resulting @@ -452,10 +482,10 @@ public class DataObjectFactory { checkAllowContentAndReference(content, allowContentAndReference); // ok, build the data object; use content first, if available - switch (content.getContentType()) + switch (content.getContentType()) { case Content.XML_CONTENT : - { + { ContentXML contentXml = (ContentXML) content; dataObject = createFromXmlContent(contentXml, xmlAsNodeList); break; @@ -499,7 +529,7 @@ public class DataObjectFactory { /** * Check, if content and reference URIs are allowed in the content an throw * an exception if an illegal combination of the two occurs. - * + * * @param content The <code>Content</code> to check. * @param allowContentAndReference Whether explicit content and a reference * are allowed at the same time. @@ -514,13 +544,13 @@ public class DataObjectFactory { String reference = content.getReference(); // check for content and reference not being set - if (content.getContentType() == Content.REFERENCE_CONTENT - && reference == null) { + if ((content.getContentType() == Content.REFERENCE_CONTENT) + && (reference == null)) { String errorCode = allowContentAndReference ? "1111" : "1110"; throw new MOAApplicationException(errorCode, null); } - // if we only allow either content or reference being set at once, check + // if we only allow either content or reference being set at once, check if (!allowContentAndReference && (content.getContentType() != Content.REFERENCE_CONTENT) && (reference != null)) { @@ -531,10 +561,10 @@ public class DataObjectFactory { /** * Create a <code>DataObject</code> from a * <code>XMLDataObjectAssociation</code> object. - * + * * @param xmlDataObjAssoc The <code>XMLDataObjectAssociation</code> object. * @param xmlContentAllowed Whether the content contained in the - * <code>xmlDataObjAssoc</code> is allowed to be of type + * <code>xmlDataObjAssoc</code> is allowed to be of type * <code>XML_CONTENT</code>. * @param binaryContentRepeatable If binary content must be provided as a * <code>DataObject</code> that can be read multiple times. @@ -559,11 +589,11 @@ public class DataObjectFactory { switch (content.getContentType()) { case Content.XML_CONTENT : - { + { if (xmlContentAllowed) { dataObject = createFromXmlContent((ContentXML) content, true); - } + } else { throw new MOAApplicationException("2280", null); @@ -601,8 +631,8 @@ public class DataObjectFactory { /** * Create a <code>DataObject</code> from a <code>TransformParameter</code> * object. - * - * @param transformParameter The <code>TransformParameter</code> object + * + * @param transformParameter The <code>TransformParameter</code> object * containing the data. * @return A <code>DataObject</code> representing the data in * <code>root</code>. @@ -662,7 +692,7 @@ public class DataObjectFactory { /** * Create a <code>DataObject</code> from data located at the given URI. - * + * * @param uri The <code>URI</code> where the data is located. This method uses * an <code>ExternalURIResolver</code> to resolve URIs. * @param asXml If <code>true</code>, a <code>DataObject</code> is only @@ -682,7 +712,7 @@ public class DataObjectFactory { /** * Create a <code>DataObject</code> from data located at the given URI. - * + * * @param uri The <code>URI</code> where the data is located. This method uses * an <code>ExternalURIResolver</code> to resolve URIs. * @param asXml If <code>true</code>, a <code>DataObject</code> is only @@ -701,7 +731,7 @@ public class DataObjectFactory { Logger.trace(">>> resolving uri \"" + uri + "\""); ExternalURIResolver resolver = new ExternalURIResolver(); - + TransactionContext context = TransactionContextManager.getInstance().getTransactionContext(); InputStream is = context.ResolveURI(uri); String contentType = null; @@ -718,12 +748,12 @@ public class DataObjectFactory { DataObjectImpl dataObject; // read the content - if (contentType != null && contentTypeIsXml(contentType)) { + if ((contentType != null) && contentTypeIsXml(contentType)) { Document doc; if (asXml) { try { - // try parsing non-validating: this has to succeed or we + // try parsing non-validating: this has to succeed or we // bail out by throwing an exception is = resolver.resolve(uri); doc = DOMUtils.parseDocument(is, false, null, null); @@ -767,14 +797,14 @@ public class DataObjectFactory { Logger.trace(">>> read stream for \"" + uri + "\""); } } - } - - else if (asXml) + } + + else if (asXml) { // if we need XML data, we're in the wrong place here closeInputStream(is); throw new MOAApplicationException("2211", new Object[] { uri }); - } + } else { // content is binary: make it available as a binary input stream @@ -805,20 +835,22 @@ public class DataObjectFactory { dataObject.setURI(uri); Logger.trace("<<< resolved uri \"" + uri + "\""); - + return dataObject; } /** * Savely closes the specified input stream. - * + * * @param is The input stream to be closed. */ private static void closeInputStream(InputStream is) { try { - if (is != null) is.close(); + if (is != null) { + is.close(); + } } catch (Throwable t) { @@ -828,10 +860,10 @@ public class DataObjectFactory { /** * Determine whether the content type is XML. - * + * * Content types recognized as XML start with <code>text/xml</code> and * <code>application/xml</code>. - * + * * @param contentType The content MIME type. * @return boolean If <code>true</code>, the content type is XML, otherwise * not. @@ -842,8 +874,8 @@ public class DataObjectFactory { } /** - * Create a <code>DataObject</code> from a <code>ContentXML</code> object. - * + * Create a <code>DataObject</code> from a <code>ContentXML</code> object. + * * @param xmlContent The <code>ContentXML</code> object from * which the <code>DataObject</code> is to be built. * @param xmlAsNodeList If <code>true</code>, the children of @@ -879,7 +911,7 @@ public class DataObjectFactory { /** * Check, that the given <code>NodeList</code> contains a single DOM element * node and return it, otherwise throw an exception. - * + * * @param nodes The <code>NodeList</code> to check for a single element. * @return The single element contained in <code>nodes</code>. * @throws MOAApplicationException Thrown, if <code>nodes</code> does not @@ -912,11 +944,11 @@ public class DataObjectFactory { /** * Create a <code>DataObject</code> from a <code>ContentBinary</code> object. - * + * * @param binaryContent The <code>ContentBinary</code> object containing the * data. * @param asXml If <code>true</code>, <code>binaryContent</code> must - * contain XML data. Otherwise, a <code>BinaryDataObject</code> will be + * contain XML data. Otherwise, a <code>BinaryDataObject</code> will be * returned containing a byte stream to the decoded Base64 data. * @param repeatable If multiple calls to <code>getInputStream()</code> must * repeatedly return the content of the data object. |