Author: mriou
Date: Wed Jun 25 08:28:29 2008
New Revision: 671581
URL: http://svn.apache.org/viewvc?rev=671581&view=rev
Log:
ODE-315 Support XSLT's document() function - Xpath 1.0
Modified:
ode/trunk/bpel-runtime/src/main/java/org/apache/ode/bpel/elang/xpath10/runtime/JaxenContexts.java
ode/trunk/bpel-runtime/src/main/java/org/apache/ode/bpel/elang/xpath10/runtime/XslRuntimeUriResolver.java
Modified:
ode/trunk/bpel-runtime/src/main/java/org/apache/ode/bpel/elang/xpath10/runtime/JaxenContexts.java
URL:
http://svn.apache.org/viewvc/ode/trunk/bpel-runtime/src/main/java/org/apache/ode/bpel/elang/xpath10/runtime/JaxenContexts.java?rev=671581&r1=671580&r2=671581&view=diff
==============================================================================
---
ode/trunk/bpel-runtime/src/main/java/org/apache/ode/bpel/elang/xpath10/runtime/JaxenContexts.java
(original)
+++
ode/trunk/bpel-runtime/src/main/java/org/apache/ode/bpel/elang/xpath10/runtime/JaxenContexts.java
Wed Jun 25 08:28:29 2008
@@ -357,7 +357,7 @@
// of the transformation is just a string.
StringWriter writerResult = new StringWriter();
StreamResult result = new StreamResult(writerResult);
- XslRuntimeUriResolver resolver = new
XslRuntimeUriResolver(_oxpath);
+ XslRuntimeUriResolver resolver = new
XslRuntimeUriResolver(_oxpath, _xpathEvalCtx.getBaseResourceURI());
XslTransformHandler.getInstance().cacheXSLSheet(xslUri,
xslSheet.sheetBody, resolver);
try {
XslTransformHandler.getInstance().transform(xslUri, source,
result, parametersMap, resolver);
Modified:
ode/trunk/bpel-runtime/src/main/java/org/apache/ode/bpel/elang/xpath10/runtime/XslRuntimeUriResolver.java
URL:
http://svn.apache.org/viewvc/ode/trunk/bpel-runtime/src/main/java/org/apache/ode/bpel/elang/xpath10/runtime/XslRuntimeUriResolver.java?rev=671581&r1=671580&r2=671581&view=diff
==============================================================================
---
ode/trunk/bpel-runtime/src/main/java/org/apache/ode/bpel/elang/xpath10/runtime/XslRuntimeUriResolver.java
(original)
+++
ode/trunk/bpel-runtime/src/main/java/org/apache/ode/bpel/elang/xpath10/runtime/XslRuntimeUriResolver.java
Wed Jun 25 08:28:29 2008
@@ -21,12 +21,21 @@
import org.apache.ode.bpel.elang.xpath10.o.OXPath10Expression;
import org.apache.ode.bpel.o.OXslSheet;
+import org.apache.ode.utils.StreamUtils;
+import org.apache.ode.utils.fs.FileUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
import javax.xml.transform.URIResolver;
import javax.xml.transform.Source;
import javax.xml.transform.TransformerException;
import javax.xml.transform.stream.StreamSource;
import java.net.URI;
+import java.net.URISyntaxException;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
import java.io.StringReader;
/**
@@ -36,15 +45,65 @@
*/
public class XslRuntimeUriResolver implements URIResolver {
+ private static final Log __log =
LogFactory.getLog(XslRuntimeUriResolver.class);
+
private OXPath10Expression _expr;
+ private final URI _baseResourceURI;
- public XslRuntimeUriResolver(OXPath10Expression expr) {
+ public XslRuntimeUriResolver(OXPath10Expression expr, URI baseResourceURI) {
_expr = expr;
+ _baseResourceURI= baseResourceURI;
}
public Source resolve(String href, String base) throws TransformerException {
- URI uri = URI.create(href);
- OXslSheet sheet = _expr.xslSheets.get(uri);
- return new StreamSource(new StringReader(sheet.sheetBody));
+ String result;
+ URI uri;
+ try {
+ uri = new URI(FileUtils.encodePath(href));
+ } catch (URISyntaxException e) {
+ return null;
+ }
+
+ OXslSheet sheet = _expr.xslSheets.get(uri);
+ if( sheet != null) {
+ result = sheet.sheetBody;
+ } else {
+ result = getResourceAsString(uri);
+ }
+
+ if( result != null ) {
+ return new StreamSource(new StringReader(result));
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Given a URI this function will attempt to retrieve the resource declared
at that URI location
+ * as a string. (Hopefully everything's character encodings are all ok...)
This URI can be
+ * defined as being relative to the executing process instance's physical
file location.
+ *
+ * @param docUri - the URI to resolve
+ * @return String - the resource contents, or null if none found.
+ */
+ private String getResourceAsString(URI docUri) {
+ URI resolvedURI= _baseResourceURI.resolve(docUri);
+ InputStream is = null;
+ try {
+ File f = new File(resolvedURI);
+ if (!f.exists()) return null;
+ is = new FileInputStream(f);
+ return new String(StreamUtils.read(is));
+ } catch (IOException e) {
+ __log.info("Couldn't load XSL resource " + docUri);
+ } finally {
+ try {
+ if (is != null) is.close();
+ } catch (Exception ex) {
+ // No worries.
+ }
+ }
+ return null;
}
+
}
