diff options
Diffstat (limited to 'moaSig/moa-sig-lib/src/main/java/at/gv/egovernment/moa/spss/server/invoke/DataObjectFactory.java')
| -rw-r--r-- | moaSig/moa-sig-lib/src/main/java/at/gv/egovernment/moa/spss/server/invoke/DataObjectFactory.java | 895 |
1 files changed, 426 insertions, 469 deletions
diff --git a/moaSig/moa-sig-lib/src/main/java/at/gv/egovernment/moa/spss/server/invoke/DataObjectFactory.java b/moaSig/moa-sig-lib/src/main/java/at/gv/egovernment/moa/spss/server/invoke/DataObjectFactory.java index 0740a73..b8d4df5 100644 --- a/moaSig/moa-sig-lib/src/main/java/at/gv/egovernment/moa/spss/server/invoke/DataObjectFactory.java +++ b/moaSig/moa-sig-lib/src/main/java/at/gv/egovernment/moa/spss/server/invoke/DataObjectFactory.java @@ -21,10 +21,8 @@ * that you distribute must include a readable copy of the "NOTICE" text file. */ - package at.gv.egovernment.moa.spss.server.invoke; - import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; @@ -84,8 +82,8 @@ import iaik.server.modules.xml.XMLDataObject; import iaik.xml.crypto.utils.URIDereferencerImpl; /** - * A class to create <code>DataObject</code>s contained in different - * locations of the MOA XML request format. + * A class to create <code>DataObject</code>s contained in different locations + * of the MOA XML request format. * * @author Patrick Peck * @author Gregor Karlinger @@ -94,15 +92,15 @@ import iaik.xml.crypto.utils.URIDereferencerImpl; public class DataObjectFactory { /** - * XPATH for registering ID attributes of known schemas if - * validating parsing fails. + * 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"; + "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; @@ -128,26 +126,27 @@ 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). + * 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 - * environment. + * @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 - * signature environment exists. - * @throws MOASystemException A system error occurred building the signature - * environment (see message for details). + * @return The signature environment or <code>null</code>, if no signature + * environment exists. + * @throws MOASystemException A system error occurred building the + * signature environment (see message for + * details). * @throws MOAApplicationException An error occurred building the signature - * environment (see message for details). + * environment (see message for details). */ public XMLDataObject createSignatureEnvironment( - Content content, - List supplements) - throws MOASystemException, MOAApplicationException { + Content content, + List supplements) + throws MOASystemException, MOAApplicationException { - String reference = content.getReference(); + final String reference = content.getReference(); EntityResolver entityResolver; byte[] contentBytes; @@ -155,10 +154,10 @@ public class DataObjectFactory { checkAllowContentAndReference(content, false); // build the EntityResolver for validating parsing - if ((supplements == null) || supplements.isEmpty()) { + if (supplements == null || supplements.isEmpty()) { entityResolver = new MOASPSSEntityResolver(); } else { - EntityResolverChain chain = new EntityResolverChain(); + final EntityResolverChain chain = new EntityResolverChain(); chain.addEntityResolver(buildSupplementEntityResolver(supplements)); chain.addEntityResolver(new MOASPSSEntityResolver()); @@ -168,83 +167,70 @@ public class DataObjectFactory { // convert the content into a byte array try { switch (content.getContentType()) { - case Content.BINARY_CONTENT : - { - InputStream is = ((ContentBinary) content).getBinaryContent(); - contentBytes = StreamUtils.readStream(is); - break; - } - case Content.LOCREF_CONTENT: - { - String locRefURI = ((ContentLocRef) content).getLocationReferenceURI(); - InputStream is = null; - try - { - TransactionContext context = TransactionContextManager.getInstance().getTransactionContext(); - is = context.ResolveURI(locRefURI); - if (is == null) { - ExternalURIResolver uriResolver = new ExternalURIResolver(); - is = uriResolver.resolve(locRefURI); - } - contentBytes = StreamUtils.readStream(is); - } - catch (MOAApplicationException e) - { - throw new MOAApplicationException("3203", new Object[]{reference, locRefURI}, e); - } - finally - { - closeInputStream(is); + case Content.BINARY_CONTENT: { + final InputStream is = ((ContentBinary) content).getBinaryContent(); + contentBytes = StreamUtils.readStream(is); + break; + } + case Content.LOCREF_CONTENT: { + final String locRefURI = ((ContentLocRef) content).getLocationReferenceURI(); + InputStream is = null; + try { + final TransactionContext context = TransactionContextManager.getInstance() + .getTransactionContext(); + is = context.ResolveURI(locRefURI); + if (is == null) { + final ExternalURIResolver uriResolver = new ExternalURIResolver(); + is = uriResolver.resolve(locRefURI); } - break; + contentBytes = StreamUtils.readStream(is); + } catch (final MOAApplicationException e) { + throw new MOAApplicationException("3203", new Object[] { reference, locRefURI }, e); + } finally { + closeInputStream(is); } - case Content.REFERENCE_CONTENT : - { - ExternalURIResolver uriResolver = new ExternalURIResolver(); - InputStream is = null; - try - { - is = uriResolver.resolve(reference); - contentBytes = StreamUtils.readStream(is); - } - catch (Exception e) - { - throw e; - } - finally - { - closeInputStream(is); - } - break; + break; + } + case Content.REFERENCE_CONTENT: { + final ExternalURIResolver uriResolver = new ExternalURIResolver(); + InputStream is = null; + try { + is = uriResolver.resolve(reference); + contentBytes = StreamUtils.readStream(is); + } catch (final Exception e) { + throw e; + } finally { + closeInputStream(is); } - case Content.XML_CONTENT : - { - Element element = + break; + } + case Content.XML_CONTENT: { + final Element element = checkForSingleElement(((ContentXML) content).getXMLContent()); - contentBytes = DOMUtils.serializeNode(element, "UTF-8"); + contentBytes = DOMUtils.serializeNode(element, "UTF-8"); - break; - } - default : { + break; + } + default: { contentBytes = null; // this will not happen } } - } catch (MOAApplicationException e) { + } catch (final MOAApplicationException e) { throw e; - } catch (Exception e) { + } catch (final Exception e) { throw new MOAApplicationException("2219", null); } if (Logger.isTraceEnabled()) { // For logging in Debug-Mode: Mask baseid with xxx - String logString = new String(contentBytes); + final 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>"; + final String startS = "<pr:Identification><pr:Value>"; + final String endS = "</pr:Value><pr:Type>urn:publicid:gv.at:baseid</pr:Type>"; String logWithMaskedBaseid = logString; - int start = logString.indexOf(startS); + final int start = logString.indexOf(startS); if (start > -1) { - int end = logString.indexOf(endS); + final int end = logString.indexOf(endS); if (end > -1) { logWithMaskedBaseid = logString.substring(0, start); logWithMaskedBaseid += startS; @@ -257,37 +243,37 @@ public class DataObjectFactory { Logger.trace(">>> parsing the following content: \n" + logWithMaskedBaseid); } try { - ByteArrayInputStream is = new ByteArrayInputStream(contentBytes); - Document doc = - DOMUtils.parseDocument( - is, - true, - Constants.ALL_SCHEMA_LOCATIONS, - null, - entityResolver, - new MOAErrorHandler()); + final ByteArrayInputStream is = new ByteArrayInputStream(contentBytes); + final Document doc = + DOMUtils.parseDocument( + is, + true, + Constants.ALL_SCHEMA_LOCATIONS, + null, + entityResolver, + new MOAErrorHandler()); Logger.trace("<<< parsed"); return new XMLDataObjectImpl(doc.getDocumentElement()); - } catch (Exception e) { + } catch (final Exception e) { // never mind, we'll try non-validating - MessageProvider msg = MessageProvider.getInstance(); + final MessageProvider msg = MessageProvider.getInstance(); Logger.info(new LogMsg(msg.getMessage("invoker.00", null))); Logger.info(new LogMsg(e.getMessage())); } // try to parse non-validating try { - ByteArrayInputStream is = new ByteArrayInputStream(contentBytes); - Document doc = DOMUtils.parseDocument(is, false, null, null); + final ByteArrayInputStream is = new ByteArrayInputStream(contentBytes); + final 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); + final NodeList idAttributes = XPathUtils.selectNodeList(doc.getDocumentElement(), XPATH); for (int i = 0; i < idAttributes.getLength(); i++) { - Node item = idAttributes.item(i); + final Node item = idAttributes.item(i); if (item instanceof Attr) { - Attr attr = (Attr) item; - Element owner = attr.getOwnerElement(); + final Attr attr = (Attr) item; + final Element owner = attr.getOwnerElement(); // Only available in DOM-Level 3 (Java 1.5): // owner.setIdAttributeNode(attr, true); if (doc instanceof CoreDocumentImpl) { @@ -296,7 +282,7 @@ public class DataObjectFactory { } } return new XMLDataObjectImpl(doc.getDocumentElement()); - } catch (Exception e) { + } catch (final Exception e) { throw new MOAApplicationException("2218", null); } } @@ -305,68 +291,69 @@ 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> - * 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. + * 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> + * 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. * @return A data object containing the signature environment. */ public DataObject createFromSignatureEnvironment( - Element signatureEnvironment, - String uri, - String referenceID) - throws MOAApplicationException { + Element signatureEnvironment, + String uri, + String referenceID) + throws MOAApplicationException { DataObjectImpl dataObject = null; if ("".equals(uri)) { dataObject = new XMLDataObjectImpl(signatureEnvironment); - } else if ( - uri.startsWith("#xpointer") + } else if (uri.startsWith("#xpointer") || uri.startsWith("#xmlns") || uri.startsWith("#element")) { try { - // CHANGE IXSIL to XSECT - // maybe use URIDereferencerImpl or XPath ...?? - //XPointerReferenceResolver resolver = new XPointerReferenceResolver(); - URIDereferencerImpl uriDereferencer = new URIDereferencerImpl(); - URIReference uriReference = new URIReferenceImpl(uri, null, signatureEnvironment); - Data returnedData = uriDereferencer.dereference(uriReference, null); - - if(returnedData instanceof NodeSetData) { - NodeSetData nodeSetData = (NodeSetData)returnedData; - Iterator nodesIterator = nodeSetData.iterator(); - List nodeList = new ArrayList(); - - while(nodesIterator.hasNext()) { - nodeList.add(nodesIterator.next()); - } - - NodeList nodes = new NodeListImplementation(nodeList); - dataObject = new XMLNodeListDataObjectImpl(nodes); - } else if(returnedData instanceof OctetStreamData) { - OctetStreamData streamData = (OctetStreamData)returnedData; - dataObject = new ByteStreamDataObjectImpl(streamData.getOctetStream()); + // CHANGE IXSIL to XSECT + // maybe use URIDereferencerImpl or XPath ...?? + // XPointerReferenceResolver resolver = new XPointerReferenceResolver(); + final URIDereferencerImpl uriDereferencer = new URIDereferencerImpl(); + final URIReference uriReference = new URIReferenceImpl(uri, null, signatureEnvironment); + final Data returnedData = uriDereferencer.dereference(uriReference, null); + + if (returnedData instanceof NodeSetData) { + final NodeSetData nodeSetData = (NodeSetData) returnedData; + final Iterator nodesIterator = nodeSetData.iterator(); + final List nodeList = new ArrayList(); + + while (nodesIterator.hasNext()) { + nodeList.add(nodesIterator.next()); + } + + final NodeList nodes = new NodeListImplementation(nodeList); + dataObject = new XMLNodeListDataObjectImpl(nodes); + } else if (returnedData instanceof OctetStreamData) { + final OctetStreamData streamData = (OctetStreamData) returnedData; + dataObject = new ByteStreamDataObjectImpl(streamData.getOctetStream()); } else { - throw new MOAApplicationException("2237", new Object[] { uri }); + throw new MOAApplicationException("2237", new Object[] { uri }); } - - //URI uriObj = new URI(uri); - //NodeList nodes = - // resolver.resolveForest( - // uriObj, - // signatureEnvironment.getOwnerDocument(), - // null); - - } catch (Exception e) { + + // URI uriObj = new URI(uri); + // NodeList nodes = + // resolver.resolveForest( + // uriObj, + // signatureEnvironment.getOwnerDocument(), + // null); + + } catch (final Exception e) { throw new MOAApplicationException("2237", new Object[] { uri }); } } else if (uri.startsWith("#")) { - String id = uri.substring(1); - Element refElem = - signatureEnvironment.getOwnerDocument().getElementById(id); + final String id = uri.substring(1); + final Element refElem = + signatureEnvironment.getOwnerDocument().getElementById(id); if (refElem == null) { throw new MOAApplicationException("2237", new Object[] { id }); @@ -385,87 +372,75 @@ public class DataObjectFactory { * supplements. * * @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. + * <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. */ private static StreamEntityResolver buildSupplementEntityResolver(List supplements) - throws MOAApplicationException - { - Map entities = new HashMap(); + throws MOAApplicationException { + final Map entities = new HashMap(); Iterator iter; for (iter = supplements.iterator(); iter.hasNext();) { - XMLDataObjectAssociation supplement = - (XMLDataObjectAssociation) iter.next(); - Content content = supplement.getContent(); - String reference = content.getReference(); + final XMLDataObjectAssociation supplement = + (XMLDataObjectAssociation) iter.next(); + final Content content = supplement.getContent(); + final String reference = content.getReference(); switch (content.getContentType()) { - case Content.BINARY_CONTENT : - { - entities.put(reference, ((ContentBinary) content).getBinaryContent()); - break; + case Content.BINARY_CONTENT: { + entities.put(reference, ((ContentBinary) content).getBinaryContent()); + break; + } + case Content.LOCREF_CONTENT: { + final String locRefURI = ((ContentLocRef) content).getLocationReferenceURI(); + + final TransactionContext context = TransactionContextManager.getInstance().getTransactionContext(); + if (context.FindResolvedEntity(locRefURI) == null) { + + final ExternalURIResolver uriResolver = new ExternalURIResolver(); + InputStream uriStream = null; + byte[] contentBytes; + String contentType = null; + try { + uriStream = uriResolver.resolve(locRefURI); + contentBytes = StreamUtils.readStream(uriStream); + contentType = uriResolver.getContentType(); + } catch (final Exception e) { + throw new MOAApplicationException("3202", new Object[] { reference, locRefURI }, e); + } finally { + closeInputStream(uriStream); + } + context.PutResolvedEntity(locRefURI, contentBytes, contentType); } - 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; - String contentType = null; - try - { - uriStream = uriResolver.resolve(locRefURI); - contentBytes = StreamUtils.readStream(uriStream); - contentType = uriResolver.getContentType(); - } - catch (Exception e) - { - throw new MOAApplicationException("3202", new Object[]{reference, locRefURI}, e); - } - finally - { - closeInputStream(uriStream); - } - context.PutResolvedEntity(locRefURI, contentBytes, contentType); - } - InputStream contentIS = context.ResolveURI(locRefURI); - entities.put(reference, contentIS); - break; + final InputStream contentIS = context.ResolveURI(locRefURI); + entities.put(reference, contentIS); + break; + } + case Content.XML_CONTENT: { + // serialize the first element node that is found in the supplement + // and make it available as a stream + final NodeList nodes = ((ContentXML) content).getXMLContent(); + int i = 0; + + // find the first element node + while (i < nodes.getLength() + && nodes.item(i).getNodeType() != Node.ELEMENT_NODE) { + i++; } - case Content.XML_CONTENT : - { - // serialize the first element node that is found in the supplement - // and make it available as a stream - NodeList nodes = ((ContentXML) content).getXMLContent(); - int i = 0; - - // find the first element node - while ((i < nodes.getLength()) - && (nodes.item(i).getNodeType() != Node.ELEMENT_NODE)) { - i++; - } - // serialize the node - if (i < nodes.getLength()) { - 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); - } + // serialize the node + if (i < nodes.getLength()) { + try { + final byte[] serialized = DOMUtils.serializeNode(nodes.item(i), "UTF-8"); + entities.put(reference, new ByteArrayInputStream(serialized)); + } catch (final Exception e) { + throw new MOAApplicationException("2281", new Object[] { reference }, e); } - break; } + break; + } } } @@ -475,82 +450,87 @@ 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 - * <code>DataObject</code>. May be <code>null</code>. + * @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 + * <code>DataObject</code>. May be + * <code>null</code>. * @param allowContentAndReference If <code>true</code>, then - * <code>content</code> is allowed to contain both a <code>Reference</code> - * attribute and content. Otherwise, either a <code>Reference</code> - * attribute or content must be set. - * @param binaryAsXml If <code>true</code>, a content child given as - * <code>Base64Content</code> must contain XML data. - * @param xmlAsNodeList If <code>true</code>, the children of a - * <code>XMLContent</code> child element are returned as a - * <code>XMLNodeListDataObject</code>. Otherwise, <code>XMLContent</code> may - * only contain a single child node, which must be an element and which is - * returned as an <code>XMLDataObject</code>. - * @param referenceAsXml If <code>true</code>, then content loaded from the - * URI given as the <code>Reference</code> attribute must be XML data. - * If <code>false</code>, an attempt is made to parse the data as XML and - * return an <code>XMLDataObject</code> but if this fails, a - * <code>BinaryDataObject</code> is returned containing a byte stream to the - * data. + * <code>content</code> is allowed to contain + * both a <code>Reference</code> attribute and + * content. Otherwise, either a + * <code>Reference</code> attribute or content + * must be set. + * @param binaryAsXml If <code>true</code>, a content child given + * as <code>Base64Content</code> must contain + * XML data. + * @param xmlAsNodeList If <code>true</code>, the children of a + * <code>XMLContent</code> child element are + * returned as a + * <code>XMLNodeListDataObject</code>. + * Otherwise, <code>XMLContent</code> may only + * contain a single child node, which must be an + * element and which is returned as an + * <code>XMLDataObject</code>. + * @param referenceAsXml If <code>true</code>, then content loaded + * from the URI given as the + * <code>Reference</code> attribute must be XML + * data. If <code>false</code>, an attempt is + * made to parse the data as XML and return an + * <code>XMLDataObject</code> but if this fails, + * a <code>BinaryDataObject</code> is returned + * containing a byte stream to the data. * @return A <code>DataObject</code> representing the data in - * <code>content</code>. If <code>base64AsXml==true</code> and - * <code>xmlAsNodeList==false</code> and <code>referenceAsXml==true</code>, - * then the result can safely be cast to an <code>XMLDataObject</code>. - * @throws MOASystemException An error indicating an internal problem. See the - * wrapped exception for details. + * <code>content</code>. If <code>base64AsXml==true</code> and + * <code>xmlAsNodeList==false</code> and + * <code>referenceAsXml==true</code>, then the result can safely be cast + * to an <code>XMLDataObject</code>. + * @throws MOASystemException An error indicating an internal problem. See + * the wrapped exception for details. * @throws MOAApplicationException An error occurred handling the content - * (probably while opening a reference or parsing the data). See the wrapped - * exception for details. + * (probably while opening a reference or + * parsing the data). See the wrapped exception + * for details. */ public DataObject createFromContentOptionalRefType( - Content content, - MetaInfo finalDataMetaInfo, - String referenceID, - boolean allowContentAndReference, - boolean binaryAsXml, - boolean xmlAsNodeList, - boolean referenceAsXml) - throws MOASystemException, MOAApplicationException { - - String reference = content.getReference(); + Content content, + MetaInfo finalDataMetaInfo, + String referenceID, + boolean allowContentAndReference, + boolean binaryAsXml, + boolean xmlAsNodeList, + boolean referenceAsXml) + throws MOASystemException, MOAApplicationException { + + final String reference = content.getReference(); DataObjectImpl dataObject = null; checkAllowContentAndReference(content, allowContentAndReference); // ok, build the data object; use content first, if available - switch (content.getContentType()) - { - case Content.XML_CONTENT : - { - ContentXML contentXml = (ContentXML) content; + switch (content.getContentType()) { + case Content.XML_CONTENT: { + final ContentXML contentXml = (ContentXML) content; dataObject = createFromXmlContent(contentXml, xmlAsNodeList); break; } - case Content.BINARY_CONTENT : - { - ContentBinary contentBinary = (ContentBinary) content; + case Content.BINARY_CONTENT: { + final ContentBinary contentBinary = (ContentBinary) content; dataObject = createFromBinaryContent(contentBinary, binaryAsXml, false); break; } - case Content.LOCREF_CONTENT : - { - String locRefURI = ((ContentLocRef) content).getLocationReferenceURI(); - try - { + case Content.LOCREF_CONTENT: { + final String locRefURI = ((ContentLocRef) content).getLocationReferenceURI(); + try { dataObject = createFromURIImpl(locRefURI, referenceAsXml); - } - catch (MOAApplicationException e) - { - throw new MOAApplicationException("3201", new Object[]{reference, locRefURI}, e); + } catch (final MOAApplicationException e) { + throw new MOAApplicationException("3201", new Object[] { reference, locRefURI }, e); } break; } - case Content.REFERENCE_CONTENT : - { + case Content.REFERENCE_CONTENT: { dataObject = createFromURIImpl(reference, referenceAsXml); break; } @@ -567,97 +547,91 @@ 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. + * 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. - * @throws MOAApplicationException If <code>allowContentAndRefernece</code> - * is <code>false</code> and both explicit content and reference are set, - * an exception is thrown. + * @param content The <code>Content</code> to check. + * @param allowContentAndReference Whether explicit content and a reference are + * allowed at the same time. + * @throws MOAApplicationException If <code>allowContentAndRefernece</code> is + * <code>false</code> and both explicit content + * and reference are set, an exception is + * thrown. */ private static void checkAllowContentAndReference( - Content content, - boolean allowContentAndReference) - throws MOAApplicationException { - String reference = content.getReference(); + Content content, + boolean allowContentAndReference) + throws MOAApplicationException { + final String reference = content.getReference(); // check for content and reference not being set - if ((content.getContentType() == Content.REFERENCE_CONTENT) - && (reference == null)) { - String errorCode = allowContentAndReference ? "1111" : "1110"; + if (content.getContentType() == Content.REFERENCE_CONTENT + && reference == null) { + final String errorCode = allowContentAndReference ? "1111" : "1110"; throw new MOAApplicationException(errorCode, null); } // if we only allow either content or reference being set at once, check if (!allowContentAndReference - && (content.getContentType() != Content.REFERENCE_CONTENT) - && (reference != null)) { + && content.getContentType() != Content.REFERENCE_CONTENT + && reference != null) { throw new MOAApplicationException("1110", null); } } /** - * Create a <code>DataObject</code> from a - * <code>XMLDataObjectAssociation</code> object. + * 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>XML_CONTENT</code>. + * @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>XML_CONTENT</code>. * @param binaryContentRepeatable If binary content must be provided as a - * <code>DataObject</code> that can be read multiple times. + * <code>DataObject</code> that can be read + * multiple times. * @return A <code>DataObject</code> representing the data in - * <code>xmlDataObjAssoc</code>. - * @throws MOASystemException An error indicating an internal problem. See the - * wrapped exception for details. + * <code>xmlDataObjAssoc</code>. + * @throws MOASystemException An error indicating an internal problem. See + * the wrapped exception for details. * @throws MOAApplicationException An error occurred handling the content - * (probably while parsing the data). See the wrapped exception for details. + * (probably while parsing the data). See the + * wrapped exception for details. */ public DataObject createFromXmlDataObjectAssociation( - XMLDataObjectAssociation xmlDataObjAssoc, - boolean xmlContentAllowed, - boolean binaryContentRepeatable) - throws MOASystemException, MOAApplicationException { - - Content content = xmlDataObjAssoc.getContent(); - MetaInfo metaInfo = xmlDataObjAssoc.getMetaInfo(); - String mimeType = metaInfo != null ? metaInfo.getMimeType() : null; + XMLDataObjectAssociation xmlDataObjAssoc, + boolean xmlContentAllowed, + boolean binaryContentRepeatable) + throws MOASystemException, MOAApplicationException { + + final Content content = xmlDataObjAssoc.getContent(); + final MetaInfo metaInfo = xmlDataObjAssoc.getMetaInfo(); + final String mimeType = metaInfo != null ? metaInfo.getMimeType() : null; DataObjectImpl dataObject = null; - switch (content.getContentType()) - { - case Content.XML_CONTENT : - { - if (xmlContentAllowed) - { + switch (content.getContentType()) { + case Content.XML_CONTENT: { + if (xmlContentAllowed) { dataObject = createFromXmlContent((ContentXML) content, true); - } - else - { + } else { throw new MOAApplicationException("2280", null); } break; } - case Content.BINARY_CONTENT : - { + case Content.BINARY_CONTENT: { dataObject = createFromBinaryContent( - (ContentBinary) content, - false, - binaryContentRepeatable); + (ContentBinary) content, + false, + binaryContentRepeatable); break; } - case Content.LOCREF_CONTENT : - { - String locRefURI = ((ContentLocRef) content).getLocationReferenceURI(); - try - { + case Content.LOCREF_CONTENT: { + final String locRefURI = ((ContentLocRef) content).getLocationReferenceURI(); + try { dataObject = createFromURIImpl(locRefURI, false); - } - catch (MOAApplicationException e) - { - throw new MOAApplicationException("3201", new Object[]{content.getReference(), locRefURI}, e); + } catch (final MOAApplicationException e) { + throw new MOAApplicationException("3201", new Object[] { content.getReference(), locRefURI }, e); } break; } @@ -673,53 +647,49 @@ public class DataObjectFactory { * object. * * @param transformParameter The <code>TransformParameter</code> object - * containing the data. - * @return A <code>DataObject</code> representing the data in - * <code>root</code>. - * @throws MOASystemException An error indicating an internal problem. See the - * wrapped exception for details. + * containing the data. + * @return A <code>DataObject</code> representing the data in <code>root</code>. + * @throws MOASystemException An error indicating an internal problem. See + * the wrapped exception for details. * @throws MOAApplicationException An error occurred handling the content - * (probably while opening a reference or parsing the data). See the wrapped - * exception for details. + * (probably while opening a reference or + * parsing the data). See the wrapped exception + * for details. */ public DataObject createFromTransformParameter(TransformParameter transformParameter) - throws MOASystemException, MOAApplicationException { + throws MOASystemException, MOAApplicationException { DataObjectImpl dataObject; switch (transformParameter.getTransformParameterType()) { - case TransformParameter.BINARY_TRANSFORMPARAMETER : - TransformParameterBinary tpBinary = - (TransformParameterBinary) transformParameter; + case TransformParameter.BINARY_TRANSFORMPARAMETER: + final TransformParameterBinary tpBinary = + (TransformParameterBinary) transformParameter; try { - //dataObject = new ByteArrayDataObjectImpl(Base64Utils.encode(tpBinary.getBinaryContent())); + // dataObject = new + // ByteArrayDataObjectImpl(Base64Utils.encode(tpBinary.getBinaryContent())); dataObject = - new ByteArrayDataObjectImpl( - StreamUtils.readStream(tpBinary.getBinaryContent())); - } catch (Exception e) { + new ByteArrayDataObjectImpl( + StreamUtils.readStream(tpBinary.getBinaryContent())); + } catch (final Exception e) { return null; } - //dataObject = new ByteStreamDataObjectImpl(tpBinary.getBinaryContent()); + // dataObject = new ByteStreamDataObjectImpl(tpBinary.getBinaryContent()); break; - default : + default: // resolve uri and build the content - ExternalURIResolver resolver = new ExternalURIResolver(); - InputStream is = resolver.resolve(transformParameter.getURI()); + final ExternalURIResolver resolver = new ExternalURIResolver(); + final InputStream is = resolver.resolve(transformParameter.getURI()); ByteArrayInputStream bis; - try - { + try { bis = new ByteArrayInputStream(StreamUtils.readStream(is)); - } - catch (IOException e) - { - throw new MOAApplicationException("2238", new Object[] {transformParameter.getURI()}, e); - } - finally - { + } catch (final IOException e) { + throw new MOAApplicationException("2238", new Object[] { transformParameter.getURI() }, e); + } finally { closeInputStream(is); } - String contentType = resolver.getContentType(); + final String contentType = resolver.getContentType(); dataObject = new ByteStreamDataObjectImpl(bis); dataObject.setMimeType(contentType); break; @@ -733,62 +703,65 @@ 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 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 - * returned, if the content consists of XML data. If it does not consist of - * XML data, an <code>MOAApplicationException</code> will be thrown. If this - * parameter is <code>false</code> and the content consists of XML data, this - * method will still attempt to parse it. + * returned, if the content consists of XML data. If it does not + * consist of XML data, an <code>MOAApplicationException</code> + * will be thrown. If this parameter is <code>false</code> and the + * content consists of XML data, this method will still attempt to + * parse it. * @return The <code>DataObject</code> contained at the URI. - * @throws MOASystemException A system error parsing the XML content. + * @throws MOASystemException A system error parsing the XML content. * @throws MOAApplicationException An error occurred on opening, reading or - * parsing the data behind the URI. + * parsing the data behind the URI. */ public DataObject createFromURI(String uri, boolean asXml) - throws MOASystemException, MOAApplicationException { + throws MOASystemException, MOAApplicationException { return createFromURIImpl(uri, asXml); } /** * 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 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 - * returned, if the content consists of XML data. If it does not consist of - * XML data, an <code>MOAApplicationException</code> will be thrown. If this - * parameter is <code>false</code> and the content type is detected as being - * XML data, this method will still attemt to parse it. + * returned, if the content consists of XML data. If it does not + * consist of XML data, an <code>MOAApplicationException</code> + * will be thrown. If this parameter is <code>false</code> and the + * content type is detected as being XML data, this method will + * still attemt to parse it. * @return The <code>DataObject</code> contained at the URI. - * @throws MOASystemException A system error parsing the XML content. + * @throws MOASystemException A system error parsing the XML content. * @throws MOAApplicationException An error occurred on opening, reading or - * parsing the data behind the URI. + * parsing the data behind the URI. */ private DataObjectImpl createFromURIImpl(String uri, boolean asXml) - throws MOASystemException, MOAApplicationException { + throws MOASystemException, MOAApplicationException { Logger.trace(">>> resolving uri \"" + uri + "\""); - ExternalURIResolver resolver = new ExternalURIResolver(); + final ExternalURIResolver resolver = new ExternalURIResolver(); - TransactionContext context = TransactionContextManager.getInstance().getTransactionContext(); + final TransactionContext context = TransactionContextManager.getInstance().getTransactionContext(); InputStream is = context.ResolveURI(uri); String contentType = null; boolean foundURI = false; if (is == null) { - is = resolver.resolve(uri); - contentType = resolver.getContentType(); + is = resolver.resolve(uri); + contentType = resolver.getContentType(); } else { - foundURI = true; - contentType = (String) context.FindResolvedEntity(uri).get(1); - Logger.trace("found \"" + uri + "\" InputStream in preread Supplements!, do not read any more. Content=" + contentType); + foundURI = true; + contentType = (String) context.FindResolvedEntity(uri).get(1); + Logger.trace("found \"" + uri + "\" InputStream in preread Supplements!, do not read any more. Content=" + + contentType); } DataObjectImpl dataObject; // read the content - if ((contentType != null) && contentTypeIsXml(contentType)) { + if (contentType != null && contentTypeIsXml(contentType)) { Document doc; if (asXml) { @@ -798,15 +771,13 @@ public class DataObjectFactory { is = resolver.resolve(uri); doc = DOMUtils.parseDocument(is, false, null, null); dataObject = new XMLDataObjectImpl(doc.getDocumentElement()); - } catch (ParserConfigurationException e) { + } catch (final ParserConfigurationException e) { throw new MOASystemException("1106", null, e); - } catch (SAXException e) { + } catch (final SAXException e) { throw new MOAApplicationException("2209", null, e); - } catch (IOException e) { + } catch (final IOException e) { throw new MOAApplicationException("2210", null, e); - } - finally - { + } finally { closeInputStream(is); } } else { @@ -816,22 +787,17 @@ public class DataObjectFactory { doc = DOMUtils.parseDocument(is, false, null, null); closeInputStream(is); dataObject = new XMLDataObjectImpl(doc.getDocumentElement()); - } catch (Exception e) { + } catch (final Exception e) { // this is the last chance: return the data as a byte stream Logger.trace(">>> reading stream for \"" + uri + "\""); is = resolver.resolve(uri); ByteArrayInputStream bis; - try - { + try { bis = new ByteArrayInputStream(StreamUtils.readStream(is)); dataObject = new ByteStreamDataObjectImpl(bis); - } - catch (IOException e1) - { + } catch (final IOException e1) { throw new MOAApplicationException("2210", new Object[] { uri }, e1); - } - finally - { + } finally { closeInputStream(is); } Logger.trace(">>> read stream for \"" + uri + "\""); @@ -839,34 +805,26 @@ public class DataObjectFactory { } } - 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 - { + } else { // content is binary: make it available as a binary input stream Logger.trace(">>> getting binary input for \"" + uri + "\""); byte[] contentBytes; ByteArrayInputStream bis; - try - { - contentBytes = StreamUtils.readStream(is); - bis = new ByteArrayInputStream(contentBytes); - } - catch (IOException e) - { + try { + contentBytes = StreamUtils.readStream(is); + bis = new ByteArrayInputStream(contentBytes); + } catch (final IOException e) { throw new MOAApplicationException("2210", null, e); - } - finally - { + } finally { closeInputStream(is); } - if (!foundURI) { - context.PutResolvedEntity(uri, contentBytes, contentType); - } + if (!foundURI) { + context.PutResolvedEntity(uri, contentBytes, contentType); + } dataObject = new ByteStreamDataObjectImpl(bis); Logger.trace("<<< got binary input for \"" + uri + "\""); } @@ -884,16 +842,12 @@ public class DataObjectFactory { * * @param is The input stream to be closed. */ - private static void closeInputStream(InputStream is) - { - try - { + private static void closeInputStream(InputStream is) { + try { if (is != null) { is.close(); } - } - catch (Throwable t) - { + } catch (final Throwable t) { // Intentionally do nothing here } } @@ -905,42 +859,43 @@ public class DataObjectFactory { * <code>application/xml</code>. * * @param contentType The content MIME type. - * @return boolean If <code>true</code>, the content type is XML, otherwise - * not. + * @return boolean If <code>true</code>, the content type is XML, otherwise not. */ private static boolean contentTypeIsXml(String contentType) { return contentType.startsWith("text/xml") - || (contentType.startsWith("application/xml")); + || contentType.startsWith("application/xml"); } /** * 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 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 - * <code>xmlContent</code> are returned as a - * <code>XMLNodeListDataObject</code>. Otherwise, - * <code>xmlContent</code> may only contain a single child node, which must be - * an element and which is returned as an <code>XMLDataObject</code>. + * <code>xmlContent</code> are returned as a + * <code>XMLNodeListDataObject</code>. Otherwise, + * <code>xmlContent</code> may only contain a single child + * node, which must be an element and which is returned as + * an <code>XMLDataObject</code>. * @return A <code>DataObject</code> representing the XML content in - * <code>xmlContent</code>. + * <code>xmlContent</code>. * @throws MOAApplicationException If <code>xmlAsNodeList</code> is - * <code>false</code> and <code>xmlContent</code> does not have a single child - * element. + * <code>false</code> and + * <code>xmlContent</code> does not have a + * single child element. */ private DataObjectImpl createFromXmlContent( - ContentXML xmlContent, - boolean xmlAsNodeList) - throws MOAApplicationException { + ContentXML xmlContent, + boolean xmlAsNodeList) + throws MOAApplicationException { DataObjectImpl dataObject; if (xmlAsNodeList) { dataObject = new XMLNodeListDataObjectImpl(xmlContent.getXMLContent()); } else { - NodeList nodes = xmlContent.getXMLContent(); - Element element = checkForSingleElement(nodes); + final NodeList nodes = xmlContent.getXMLContent(); + final Element element = checkForSingleElement(nodes); // build the XMLDataObject dataObject = new XMLDataObjectImpl(element); @@ -955,10 +910,10 @@ public class DataObjectFactory { * @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 - * contain exactly 1 element node. + * contain exactly 1 element node. */ private Element checkForSingleElement(NodeList nodes) - throws MOAApplicationException { + throws MOAApplicationException { Element element = null; int i; @@ -986,26 +941,28 @@ 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 - * 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. + * data. + * @param asXml If <code>true</code>, <code>binaryContent</code> must + * 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. * @return A <code>DataObject</code> representing the content contained in - * <code>binaryContent</code>. - * @throws MOASystemException An error indicating an internal problem. See the - * wrapped exception for details. + * <code>binaryContent</code>. + * @throws MOASystemException An error indicating an internal problem. See + * the wrapped exception for details. * @throws MOAApplicationException An error occurred handling the content - * (probably while parsing the data). See the wrapped exception for details. + * (probably while parsing the data). See the + * wrapped exception for details. */ private DataObjectImpl createFromBinaryContent( - ContentBinary binaryContent, - boolean asXml, - boolean repeatable) - throws MOASystemException, MOAApplicationException { + ContentBinary binaryContent, + boolean asXml, + boolean repeatable) + throws MOASystemException, MOAApplicationException { - InputStream byteStream = binaryContent.getBinaryContent(); + final InputStream byteStream = binaryContent.getBinaryContent(); DataObjectImpl dataObject; if (asXml) { @@ -1014,19 +971,19 @@ public class DataObjectFactory { try { doc = DOMUtils.parseDocument(byteStream, false, null, null); dataObject = new XMLDataObjectImpl(doc.getDocumentElement()); - } catch (ParserConfigurationException e) { + } catch (final ParserConfigurationException e) { throw new MOASystemException("1106", null, e); - } catch (SAXException e) { + } catch (final SAXException e) { throw new MOAApplicationException("2209", null, e); - } catch (IOException e) { + } catch (final IOException e) { throw new MOAApplicationException("2210", null, e); } } else { if (repeatable) { try { dataObject = - new ByteArrayDataObjectImpl(StreamUtils.readStream(byteStream)); - } catch (IOException e) { + new ByteArrayDataObjectImpl(StreamUtils.readStream(byteStream)); + } catch (final IOException e) { throw new MOAApplicationException("2210", null); } } else { |