/**
* Return a <code>MarinerURL</code> (or null) for any non-cacheable urls.
*
* @param requestContext the mariner request context
* @param assetGroup the assetgroup
* @param asset the asset
* @return a mariner url or null if none can be computed.
* @throws RepositoryException if a repository exception occurs.
*/
protected MarinerURL computeNoncacheableURL(
MarinerRequestContext requestContext, AssetGroup assetGroup, Asset asset)
throws RepositoryException {
// If the asset is a DynamicVisualAsset and the encoding is TV then the
// asset url consists of the device specific tv channel prefix and the
// value appended if it is set. If the tv channel prefix is not valid in
// a url then we have problems.
if (asset.getClass() == DynamicVisualAsset.class) {
DynamicVisualAsset dynamicVisualAsset = (DynamicVisualAsset) asset;
if (dynamicVisualAsset.getEncoding() == DynamicVisualAsset.TV) {
MarinerPageContext marinerPageContext =
ContextInternals.getMarinerPageContext(requestContext);
InternalDevice device = marinerPageContext.getDevice();
String tvChannelPrefix = device.getTVChannelPrefix();
String url = tvChannelPrefix;
String value = dynamicVisualAsset.getValue();
if (value != null) {
url += value;
}
return new MarinerURL(url);
}
}
return null;
}
/**
* Creates a MarinerUrl
*
* @param requestContext
* @param asset
* @param assetGroup
* @param marinerURL
* @return
* @throws RepositoryException
*/
public static MarinerURL createMarinerURL(
MarinerRequestContext requestContext,
Asset asset,
AssetGroup assetGroup,
MarinerURL marinerURL)
throws RepositoryException {
MarinerURL urlResult = computeURL(requestContext, asset, assetGroup, marinerURL);
if (asset instanceof ConvertibleImageAsset) {
String url = urlResult.getExternalForm();
// Construct the url for the convertible image asset.
ConvertibleImageAsset convertible = (ConvertibleImageAsset) asset;
PreservedArea area =
PreservedArea.get(convertible.getPreserveLeft(), convertible.getPreserveRight(), true);
String value = ContextInternals.constructImageURL(requestContext, url, area);
urlResult = new MarinerURL(value);
}
// Complete the URL
urlResult = completeURL(requestContext, asset, assetGroup, urlResult);
// Make sure that the url cannot be modified (even if it is a
// convertible image asset).
urlResult.makeReadOnly();
return urlResult;
}
/**
* Method to return the Volantis bean
*
* @param requestContext the MarinerRequestContext
* @return the Volantis bean
*/
private Volantis getVolantisBean(MarinerRequestContext requestContext) {
if (volantisBean == null) {
MarinerPageContext marinerPageContext =
ContextInternals.getMarinerPageContext(requestContext);
volantisBean = marinerPageContext.getVolantisBean();
}
return volantisBean;
}
// javadoc inherited
public void process(
final Object content,
final XDIMEContextInternal context,
final String id,
final String propertyName)
throws XDIMEException {
// Perform default property processing.
super.process(content, context, id, propertyName);
// Enable caching
final EnvironmentContext environmentContext =
ContextInternals.getEnvironmentContext(context.getInitialRequestContext());
final ResponseCachingDirectives cachingDirectives = environmentContext.getCachingDirectives();
if (cachingDirectives != null) {
cachingDirectives.enable();
}
}
/**
* Method that completes a computed URL
*
* @param requestContext the mariner request context
* @param asset the Asset whose URL we are completing
* @param assetGroup the AssetGroup associated with the Asset
* @param marinerURL the URL that is being completed
* @return the completed URL
*/
public static MarinerURL completeURL(
MarinerRequestContext requestContext,
Asset asset,
AssetGroup assetGroup,
MarinerURL marinerURL) {
// Get the project that owns the resource. If an asset group is
// provided then it is the asset group's project, otherwise it is the
// asset's project.
RuntimeProject assetProject = (RuntimeProject) asset.getProject();
RuntimeProject project = null;
if (assetGroup == null) {
project = assetProject;
} else {
project = (RuntimeProject) assetGroup.getProject();
}
if (project == null) {
throw new IllegalStateException("Project not set");
}
MarinerURL assetsBaseURL = project.getAssetsBaseURL();
if (isClientSideURL(asset, assetGroup)) {
// Client side URLs are not affected by the project's base URL.
} else if (project.getContainsOrphans() && project.isRemote()) {
// Asset URLs from remote policies that are not in a remote project
// should already be fully qualified.
if (!marinerURL.isAbsolute()) {
synchronized (DefaultAssetURLRewriter.class) {
if (!vikingCasualtyChipWOWFlag) {
vikingCasualtyChipWOWFlag = true;
logger.warn("url-not-absolute", marinerURL.getExternalForm());
}
}
}
} else if (marinerURL.containsDocumentRelativePath()) {
// Document relative assets should only be resolved if the project
// is portable, otherwise leave them as they are.
// todo Always resolve these and then provide a way later to optimise URLs in the page to try
// and make them relative if possible.
if (project.isPortable()) {
// If the project is portable then get the project relative path to the
// policy so that it can be used to resolve relative asset references
// against.
MarinerURL projectRelativePath;
String name = asset.getName();
if (name.startsWith("/")) {
projectRelativePath = new MarinerURL(name);
} else {
projectRelativePath = new MarinerURL(assetProject.makeProjectRelativePath(name, true));
}
// Resolve relative asset references against the project
// relative path and then make sure that it can be resolved
// against the assets base URL by removing leading /.
marinerURL = new MarinerURL(projectRelativePath, marinerURL);
marinerURL =
new MarinerURL(
URLNormalizer.convertHostRelativeToDocumentRelative(marinerURL.getExternalForm()));
// Resolve the document relative asset URL against the assets
// base URL.
marinerURL = new MarinerURL(assetsBaseURL, marinerURL);
// The result must be absolute, or host relative.
if (marinerURL.isAbsolute()) {
// Nothing more to do.
} else if (marinerURL.containsHostRelativePath()) {
// May need to make it relative to the context.
EnvironmentContext environmentContext =
ContextInternals.getEnvironmentContext(requestContext);
MarinerURL contextPath = environmentContext.getContextPathURL();
marinerURL =
new MarinerURL(
contextPath,
URLNormalizer.convertHostRelativeToDocumentRelative(
marinerURL.getExternalForm()));
} else {
throw new IllegalStateException(
"The rewritten URL "
+ marinerURL
+ " for remote asset "
+ asset
+ " "
+ "must be absolute or host relative but is not");
}
}
} else if (marinerURL.containsHostRelativePath()) {
// Host relative paths are treated as being relative to the
// project's asset base URL. This is because otherwise assets
// and asset groups would need to know the host relative path to
// the assets including the web application context (if any).
// NOTE: I have the feeling this should be dealt with when the url
// is computed but there is no description for the intermediate form
// of the url so I am not prepared to change that. This class needs
// rewriting/clarifying. Until then we are left with the following
// bodge...
// todo: later: deal with document relative urls which are from
// asset groups which are host relative.
//
// If the url was computed from an asset group which was relative
// to the host, then we should leave this as host relative.
if (assetGroup != null && assetGroup.getLocationType() == AssetGroup.HOST) {
// Leave the url as host relative. This will mean than when
// resolved against the context the context is ignored.
if (logger.isDebugEnabled()) {
logger.debug(
"leaving existing host relative url computed "
+ "from host relative asset group url as host "
+ "relative");
}
} else {
// Either it was not from an asset group or the asset group was
// context relative. In either case we should...
// Strip the / off the front of the host relative URL to make it
// a document relative URL so it will resolve against the base
// URL properly.
String url =
URLNormalizer.convertHostRelativeToDocumentRelative(marinerURL.getExternalForm());
marinerURL = new MarinerURL(assetsBaseURL, url);
}
// The resulting URL must be either a host relative path or an
// absolute URL. If it is not then it is a fatal error as it could
// only have arisen due to invalid configuration which should have
// been detected during init.
if (marinerURL.isRelative() && marinerURL.containsDocumentRelativePath()) {
throw new RuntimeException(
"The rewritten URL "
+ marinerURL
+ " for Asset "
+ asset
+ " is not host relative or "
+ "absolute. The configuration is probably wrong.");
}
}
return marinerURL;
}
// Javadoc inherited.
protected int exprElementEnd(MarinerRequestContext context, PAPIAttributes papiAttributes)
throws PAPIException {
IncludeAttributes attributes = (IncludeAttributes) papiAttributes;
if (attributes.getHref() == null) {
throw new PAPIException(exceptionLocalizer.format("include-href-missing"));
} else {
// @todo this is a bit duff since it relies on markup naming not to change; do this a
// different way
// Set up the markup that will be sent down the pipeline
StringBuffer markup = new StringBuffer();
InputSource inputSource;
markup.append("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>");
markup
.append("<urid:fetch xmlns:urid=\"")
.append(Namespace.URID.getURI())
.append("\" href=\"")
.append(attributes.getHref())
.append("\"");
if (attributes.getParse() != null) {
markup.append(" parse=\"").append(attributes.getParse()).append("\"");
}
if (attributes.getEncoding() != null) {
markup.append(" encoding=\"").append(attributes.getEncoding()).append("\"");
}
markup.append("/>");
if (logger.isDebugEnabled()) {
logger.debug("Set up inclusion command as: " + markup.toString());
}
inputSource = new InputSource(new StringReader(markup.toString()));
// Set up and execute the pipeline to perform the required
// inclusion
MarinerPageContext pageContext = ContextInternals.getMarinerPageContext(context);
XMLReader reader = MarlinSAXHelper.getXMLReader(context);
reader.setContentHandler(MarlinSAXHelper.getContentHandler(context));
// @todo this is nasty: we assume that the reader is actually an XMLPipelineFilter
XMLPipelineFilter filter = (XMLPipelineFilter) reader;
XMLPipelineContext pipelineContext = filter.getPipelineContext();
// set the Base URI in the pipeline's context
try {
URL baseURI = pageContext.getAbsoluteURL(pageContext.getRequestURL(false));
if (logger.isDebugEnabled()) {
logger.debug("Setting Base URI " + baseURI);
}
pipelineContext.pushBaseURI(baseURI.toExternalForm());
} catch (MalformedURLException e) {
throw new PAPIException(e);
}
PipelineIntegrationUtilities.setUpIntegration(
filter, pageContext.getCurrentElement(), context, pageContext.getCurrentOutputBuffer());
if (logger.isDebugEnabled()) {
logger.debug("Executing inclusion");
}
// Execute the inclusion
try {
reader.parse(inputSource);
} catch (IOException e) {
throw new PAPIException(e);
} catch (SAXException e) {
throw new PAPIException(e);
} finally {
PipelineIntegrationUtilities.tearDownIntegration(filter);
}
}
if (logger.isDebugEnabled()) {
logger.debug("Successful execution of inclusion");
}
return CONTINUE_PROCESSING;
}
