diff options
Diffstat (limited to 'spss.server/src/at/gv/egovernment/moa/spss/server/invoke/DataObjectFactory.java')
| -rw-r--r-- | spss.server/src/at/gv/egovernment/moa/spss/server/invoke/DataObjectFactory.java | 802 |
1 files changed, 0 insertions, 802 deletions
diff --git a/spss.server/src/at/gv/egovernment/moa/spss/server/invoke/DataObjectFactory.java b/spss.server/src/at/gv/egovernment/moa/spss/server/invoke/DataObjectFactory.java deleted file mode 100644 index 634cf9992..000000000 --- a/spss.server/src/at/gv/egovernment/moa/spss/server/invoke/DataObjectFactory.java +++ /dev/null @@ -1,802 +0,0 @@ -package at.gv.egovernment.moa.spss.server.invoke; - -import java.io.ByteArrayInputStream; -import java.io.IOException; -import java.io.InputStream; -import java.util.HashMap; -import java.util.Iterator; -import java.util.List; -import java.util.Map; - -import javax.xml.parsers.ParserConfigurationException; - -import org.w3c.dom.Document; -import org.w3c.dom.Element; -import org.w3c.dom.Node; -import org.w3c.dom.NodeList; - -import org.xml.sax.EntityResolver; -import org.xml.sax.SAXException; - -import iaik.ixsil.util.URI; -import iaik.ixsil.util.XPointerReferenceResolver; -import iaik.server.modules.xml.DataObject; -import iaik.server.modules.xml.XMLDataObject; - -import at.gv.egovernment.moa.logging.LogMsg; -import at.gv.egovernment.moa.logging.Logger; -import at.gv.egovernment.moa.util.Constants; -import at.gv.egovernment.moa.util.DOMUtils; -import at.gv.egovernment.moa.util.EntityResolverChain; -import at.gv.egovernment.moa.util.MOAEntityResolver; -import at.gv.egovernment.moa.util.MOAErrorHandler; -import at.gv.egovernment.moa.util.StreamEntityResolver; -import at.gv.egovernment.moa.util.StreamUtils; - -import at.gv.egovernment.moa.spss.MOAApplicationException; -import at.gv.egovernment.moa.spss.MOASystemException; -import at.gv.egovernment.moa.spss.api.common.Content; -import at.gv.egovernment.moa.spss.api.common.ContentBinary; -import at.gv.egovernment.moa.spss.api.common.ContentLocRef; -import at.gv.egovernment.moa.spss.api.common.ContentXML; -import at.gv.egovernment.moa.spss.api.common.MetaInfo; -import at.gv.egovernment.moa.spss.api.common.XMLDataObjectAssociation; -import at.gv.egovernment.moa.spss.api.xmlverify.TransformParameter; -import at.gv.egovernment.moa.spss.api.xmlverify.TransformParameterBinary; -import at.gv.egovernment.moa.spss.server.iaik.xml.ByteArrayDataObjectImpl; -import at.gv.egovernment.moa.spss.server.iaik.xml.ByteStreamDataObjectImpl; -import at.gv.egovernment.moa.spss.server.iaik.xml.DataObjectImpl; -import at.gv.egovernment.moa.spss.server.iaik.xml.XMLDataObjectImpl; -import at.gv.egovernment.moa.spss.server.iaik.xml.XMLNodeListDataObjectImpl; -import at.gv.egovernment.moa.spss.util.MessageProvider; - -/** - * 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 { - - /** 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() { - if (instance == null) { - instance = new DataObjectFactory(); - } - return instance; - } - - /** - * Create a new <code>DataObjectFactory</code>. - * - * Protected to disallow multiple instances. - */ - protected 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 - * 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). - * @throws MOAApplicationException An error occurred building the signature - * environment (see message for details). - */ - public XMLDataObject createSignatureEnvironment( - Content content, - List supplements) - throws MOASystemException, MOAApplicationException { - - String reference = content.getReference(); - EntityResolver entityResolver; - byte[] contentBytes; - - // check for content and reference not being set at the same time - checkAllowContentAndReference(content, false); - - // build the EntityResolver for validating parsing - if (supplements == null || supplements.isEmpty()) { - entityResolver = new MOAEntityResolver(); - } else { - EntityResolverChain chain = new EntityResolverChain(); - - chain.addEntityResolver(buildSupplementEntityResolver(supplements)); - chain.addEntityResolver(new MOAEntityResolver()); - entityResolver = chain; - } - - // 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: - { - ExternalURIResolver uriResolver = new ExternalURIResolver(); - String locRefURI = ((ContentLocRef) content).getLocationReferenceURI(); - try - { - InputStream is = uriResolver.resolve(locRefURI); - contentBytes = StreamUtils.readStream(is); - } - catch (MOAApplicationException e) - { - throw new MOAApplicationException("3203", new Object[]{reference, locRefURI}, e); - } - break; - } - case Content.REFERENCE_CONTENT : - { - ExternalURIResolver uriResolver = new ExternalURIResolver(); - InputStream is = uriResolver.resolve(reference); - contentBytes = StreamUtils.readStream(is); - break; - } - case Content.XML_CONTENT : - { - Element element = - checkForSingleElement(((ContentXML) content).getXMLContent()); - contentBytes = DOMUtils.serializeNode(element, "UTF-8"); - break; - } - default : - contentBytes = null; // this will not happen - } - } catch (MOAApplicationException e) { - throw e; - } catch (Exception e) { - throw new MOAApplicationException("2219", null); - } - - // try to parse validating - try { - ByteArrayInputStream is = new ByteArrayInputStream(contentBytes); - Document doc = - DOMUtils.parseDocument( - is, - true, - Constants.ALL_SCHEMA_LOCATIONS, - null, - entityResolver, - new MOAErrorHandler()); - - return new XMLDataObjectImpl(doc.getDocumentElement()); - } catch (Exception e) { - // never mind, we'll try non-validating - MessageProvider msg = MessageProvider.getInstance(); - Logger.info(new LogMsg(msg.getMessage("invoker.00", null))); - } - - // try to parse non-validating - try { - ByteArrayInputStream is = new ByteArrayInputStream(contentBytes); - Document doc = DOMUtils.parseDocument(is, false, null, null); - return new XMLDataObjectImpl(doc.getDocumentElement()); - } catch (Exception e) { - throw new MOAApplicationException("2218", null); - } - } - - /** - * 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. - * @return A data object containing the signature environment. - */ - public DataObject createFromSignatureEnvironment( - Element signatureEnvironment, - String uri, - String referenceID) - throws MOAApplicationException { - - DataObjectImpl dataObject = null; - - if ("".equals(uri)) { - dataObject = new XMLDataObjectImpl(signatureEnvironment); - } else if ( - uri.startsWith("#xpointer") - || uri.startsWith("#xmlns") - || uri.startsWith("#element")) { - try { - XPointerReferenceResolver resolver = new XPointerReferenceResolver(); - URI uriObj = new URI(uri); - NodeList nodes = - resolver.resolveForest( - uriObj, - signatureEnvironment.getOwnerDocument(), - null); - dataObject = new XMLNodeListDataObjectImpl(nodes); - } catch (Exception e) { - throw new MOAApplicationException("2237", new Object[] { uri }); - } - } else if (uri.startsWith("#")) { - String id = uri.substring(1); - Element refElem = - signatureEnvironment.getOwnerDocument().getElementById(id); - - if (refElem == null) { - throw new MOAApplicationException("2237", new Object[] { id }); - } - dataObject = new XMLDataObjectImpl(refElem); - } - - dataObject.setReferenceID(referenceID); - dataObject.setURI(uri); - - return dataObject; - } - - /** - * Build a <code>StreamEntityResolver</code> from a <code>List</code> of - * 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. - */ - private static StreamEntityResolver buildSupplementEntityResolver(List supplements) - throws MOAApplicationException - { - 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(); - - switch (content.getContentType()) { - case Content.BINARY_CONTENT : - { - entities.put(reference, ((ContentBinary) content).getBinaryContent()); - break; - } - case Content.LOCREF_CONTENT: - { - ExternalURIResolver uriResolver = new ExternalURIResolver(); - String locRefURI = ((ContentLocRef) content).getLocationReferenceURI(); - InputStream contentIS = null; - try - { - contentIS = uriResolver.resolve(locRefURI); - } - catch (MOAApplicationException e) - { - throw new MOAApplicationException("3202", new Object[]{reference, locRefURI}, e); - } - 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 - 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("2282", new Object[]{reference}, e); - } - } - break; - } - } - } - - return new StreamEntityResolver(entities); - } - - /** - * 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 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. - * @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. - * @throws MOAApplicationException An error occurred handling the content - * (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(); - 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; - dataObject = createFromXmlContent(contentXml, xmlAsNodeList); - break; - } - case Content.BINARY_CONTENT : - { - ContentBinary contentBinary = (ContentBinary) content; - dataObject = createFromBinaryContent(contentBinary, binaryAsXml, false); - break; - } - case Content.LOCREF_CONTENT : - { - String locRefURI = ((ContentLocRef) content).getLocationReferenceURI(); - try - { - dataObject = createFromURIImpl(locRefURI, referenceAsXml); - } - catch (MOAApplicationException e) - { - throw new MOAApplicationException("3201", new Object[]{reference, locRefURI}, e); - } - break; - } - case Content.REFERENCE_CONTENT : - { - dataObject = createFromURIImpl(reference, referenceAsXml); - break; - } - } - - // set URI and reference ID - dataObject.setURI(reference); - dataObject.setReferenceID(referenceID); - - // set Type gathered from corresponding meta information - dataObject.setTypeURI(finalDataMetaInfo.getType()); - - return dataObject; - } - - /** - * 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. - */ - private static void checkAllowContentAndReference( - Content content, - boolean allowContentAndReference) - throws MOAApplicationException { - 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"; - 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)) { - throw new MOAApplicationException("1110", null); - } - } - - /** - * 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 binaryContentRepeatable If binary content must be provided as a - * <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. - * @throws MOAApplicationException An error occurred handling the content - * (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; - DataObjectImpl dataObject = null; - - switch (content.getContentType()) - { - case Content.XML_CONTENT : - { - if (xmlContentAllowed) - { - dataObject = createFromXmlContent((ContentXML) content, true); - } - else - { - throw new MOAApplicationException("2280", null); - } - break; - } - case Content.BINARY_CONTENT : - { - dataObject = createFromBinaryContent( - (ContentBinary) content, - false, - binaryContentRepeatable); - break; - } - case Content.LOCREF_CONTENT : - { - String locRefURI = ((ContentLocRef) content).getLocationReferenceURI(); - try - { - dataObject = createFromURIImpl(locRefURI, false); - } - catch (MOAApplicationException e) - { - throw new MOAApplicationException("3201", new Object[]{content.getReference(), locRefURI}, e); - } - break; - } - } - - dataObject.setURI(content.getReference()); - dataObject.setMimeType(mimeType); - return dataObject; - } - - /** - * Create a <code>DataObject</code> from a <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>. - * @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. - */ - public DataObject createFromTransformParameter(TransformParameter transformParameter) - throws MOASystemException, MOAApplicationException { - - DataObjectImpl dataObject; - - switch (transformParameter.getTransformParameterType()) { - case TransformParameter.BINARY_TRANSFORMPARAMETER : - TransformParameterBinary tpBinary = - (TransformParameterBinary) transformParameter; - - try { - //dataObject = new ByteArrayDataObjectImpl(Base64Utils.encode(tpBinary.getBinaryContent())); - dataObject = - new ByteArrayDataObjectImpl( - StreamUtils.readStream(tpBinary.getBinaryContent())); - } catch (Exception e) { - return null; - } - //dataObject = new ByteStreamDataObjectImpl(tpBinary.getBinaryContent()); - break; - default : - // resolve uri and build the content - ExternalURIResolver resolver = new ExternalURIResolver(); - InputStream is = resolver.resolve(transformParameter.getURI()); - String contentType = resolver.getContentType(); - dataObject = new ByteStreamDataObjectImpl(is); - dataObject.setMimeType(contentType); - break; - } - - dataObject.setURI(transformParameter.getURI()); - - return dataObject; - } - - /** - * 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 - * 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 MOAApplicationException An error occurred on opening, reading or - * parsing the data behind the URI. - */ - public DataObject createFromURI(String uri, boolean asXml) - 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 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. - * @return The <code>DataObject</code> contained at the URI. - * @throws MOASystemException A system error parsing the XML content. - * @throws MOAApplicationException An error occurred on opening, reading or - * parsing the data behind the URI. - */ - private DataObjectImpl createFromURIImpl(String uri, boolean asXml) - throws MOASystemException, MOAApplicationException { - - ExternalURIResolver resolver = new ExternalURIResolver(); - InputStream is = resolver.resolve(uri); - String contentType = resolver.getContentType(); - DataObjectImpl dataObject; - - // read the content - if (contentType != null && contentTypeIsXml(contentType)) { - Document doc; - - if (asXml) { - try { - // 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); - dataObject = new XMLDataObjectImpl(doc.getDocumentElement()); - } catch (ParserConfigurationException e) { - throw new MOASystemException("1106", null, e); - } catch (SAXException e) { - throw new MOAApplicationException("2209", null, e); - } catch (IOException e) { - throw new MOAApplicationException("2210", null, e); - } - } else { - try { - // try parsing non-validating: need not succeed - is = resolver.resolve(uri); - doc = DOMUtils.parseDocument(is, false, null, null); - dataObject = new XMLDataObjectImpl(doc.getDocumentElement()); - } catch (Exception e) { - // this is the last chance: return the data as a byte stream - is = resolver.resolve(uri); - dataObject = new ByteStreamDataObjectImpl(is); - } - } - } else if (asXml) { - // if we need XML data, we're in the wrong place here - throw new MOAApplicationException("2211", new Object[] { uri }); - } else { - // content is binary: make it available as a binary input stream - dataObject = new ByteStreamDataObjectImpl(is); - } - - dataObject.setMimeType(contentType); - dataObject.setURI(uri); - - return dataObject; - } - - /** - * 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. - */ - private static boolean contentTypeIsXml(String contentType) { - return contentType.startsWith("text/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 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>. - * @return A <code>DataObject</code> representing the XML content in - * <code>xmlContent</code>. - * @throws MOAApplicationException If <code>xmlAsNodeList</code> is - * <code>false</code> and <code>xmlContent</code> does not have a single child - * element. - */ - private DataObjectImpl createFromXmlContent( - ContentXML xmlContent, - boolean xmlAsNodeList) - throws MOAApplicationException { - - DataObjectImpl dataObject; - - if (xmlAsNodeList) { - dataObject = new XMLNodeListDataObjectImpl(xmlContent.getXMLContent()); - } else { - NodeList nodes = xmlContent.getXMLContent(); - Element element = checkForSingleElement(nodes); - - // build the XMLDataObject - dataObject = new XMLDataObjectImpl(element); - } - return dataObject; - } - - /** - * 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 - * contain exactly 1 element node. - */ - private Element checkForSingleElement(NodeList nodes) - throws MOAApplicationException { - - Element element = null; - int i; - - // check for a single element node - for (i = 0; i < nodes.getLength(); i++) { - if (nodes.item(i).getNodeType() == Node.ELEMENT_NODE) { - if (element == null) { - element = (Element) nodes.item(i); - } else { - throw new MOAApplicationException("1109", null); - } - } - } - - // return the element node - if (element == null) { - throw new MOAApplicationException("1107", null); - } else { - return element; - } - } - - /** - * 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. - * @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. - * @throws MOAApplicationException An error occurred handling the content - * (probably while parsing the data). See the wrapped exception for details. - */ - private DataObjectImpl createFromBinaryContent( - ContentBinary binaryContent, - boolean asXml, - boolean repeatable) - throws MOASystemException, MOAApplicationException { - - InputStream byteStream = binaryContent.getBinaryContent(); - DataObjectImpl dataObject; - - if (asXml) { - Document doc; - - try { - doc = DOMUtils.parseDocument(byteStream, false, null, null); - dataObject = new XMLDataObjectImpl(doc.getDocumentElement()); - } catch (ParserConfigurationException e) { - throw new MOASystemException("1106", null, e); - } catch (SAXException e) { - throw new MOAApplicationException("2209", null, e); - } catch (IOException e) { - throw new MOAApplicationException("2210", null, e); - } - } else { - if (repeatable) { - try { - dataObject = - new ByteArrayDataObjectImpl(StreamUtils.readStream(byteStream)); - } catch (IOException e) { - throw new MOAApplicationException("2210", null); - } - } else { - dataObject = new ByteStreamDataObjectImpl(byteStream); - } - } - - return dataObject; - } - -} |