juergen 02/03/08 03:55:51
Modified: src/webdav/server/org/apache/slide/webdav/util
PropertyHelper.java
Log:
Added support for computed properties.
(ralf)
Revision Changes Path
1.5 +388 -4
jakarta-slide/src/webdav/server/org/apache/slide/webdav/util/PropertyHelper.java
Index: PropertyHelper.java
===================================================================
RCS file:
/home/cvs/jakarta-slide/src/webdav/server/org/apache/slide/webdav/util/PropertyHelper.java,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -r1.4 -r1.5
--- PropertyHelper.java 1 Mar 2002 16:48:24 -0000 1.4
+++ PropertyHelper.java 8 Mar 2002 11:55:51 -0000 1.5
@@ -1,7 +1,7 @@
/*
- * $Header:
/home/cvs/jakarta-slide/src/webdav/server/org/apache/slide/webdav/util/PropertyHelper.java,v
1.4 2002/03/01 16:48:24 pnever Exp $
- * $Revision: 1.4 $
- * $Date: 2002/03/01 16:48:24 $
+ * $Header:
/home/cvs/jakarta-slide/src/webdav/server/org/apache/slide/webdav/util/PropertyHelper.java,v
1.5 2002/03/08 11:55:51 juergen Exp $
+ * $Revision: 1.5 $
+ * $Date: 2002/03/08 11:55:51 $
*
* ====================================================================
*
@@ -70,13 +70,27 @@
import org.jdom.Element;
import org.jdom.Attribute;
import org.jdom.JDOMException;
+import org.jdom.Namespace;
import org.apache.slide.common.Domain;
import org.apache.slide.common.SlideToken;
import org.apache.slide.common.NamespaceAccessToken;
+import org.apache.slide.common.ServiceAccessException;
+
import org.apache.slide.content.NodeProperty;
import org.apache.slide.content.NodeRevisionDescriptor;
import org.apache.slide.content.NodeRevisionDescriptors;
+import org.apache.slide.content.NodeRevisionNumber;
+import org.apache.slide.content.Content;
+import org.apache.slide.content.RevisionDescriptorNotFoundException;
+
+import org.apache.slide.structure.LinkedObjectNotFoundException;
+import org.apache.slide.structure.ObjectNotFoundException;
+
+import org.apache.slide.security.AccessDeniedException;
+
+import org.apache.slide.lock.ObjectLockedException;
+
import org.apache.slide.webdav.util.resourcekind.*;
@@ -86,7 +100,7 @@
* @author <a href="mailto:[EMAIL PROTECTED]";>Peter Nevermann</a>
*/
-public class PropertyHelper extends AbstractWebdavHelper {
+public class PropertyHelper extends AbstractWebdavHelper implements DeltavConstants
{
/**
* Factory method.
@@ -354,5 +368,375 @@
Document d = xmlBuilder.build( new StringReader(propValue) );
return d.getRootElement();
}
+
+ /**
+ * Returns the property of the resource described by
+ * the resourcePath.
+ *
+ * @param propertyName the name of the property.
+ * @param resourcePath the path that identifies the resource.
+ *
+ * @return the property.
+ *
+ * @throws ObjectLockedException
+ * @throws RevisionDescriptorNotFoundException
+ * @throws ServiceAccessException
+ * @throws LinkedObjectNotFoundException
+ * @throws AccessDeniedException
+ * @throws ObjectNotFoundException
+ */
+ public NodeProperty getProperty(String propertyName, String resourcePath)
throws ObjectLockedException, RevisionDescriptorNotFoundException,
ServiceAccessException, LinkedObjectNotFoundException, AccessDeniedException,
ObjectNotFoundException {
+
+ UriHandler uriHandler = UriHandler.getUriHandler(nsaToken, resourcePath);
+ String uri = null;
+ NodeRevisionDescriptors revisionDescriptors = null;
+ NodeRevisionDescriptor revisionDescriptor = null;
+ Content contentHelper = nsaToken.getContentHelper();
+
+ if (uriHandler.isVersionUri()) {
+ uri = uriHandler.getAssociatedHistoryUri();
+ NodeRevisionNumber revisionNumber = new
NodeRevisionNumber(uriHandler.getVersionName());
+ revisionDescriptors = contentHelper.retrieve(sToken, uri);
+ revisionDescriptor = contentHelper.retrieve(sToken,
revisionDescriptors, revisionNumber);
+ }
+ else if (uriHandler.isHistoryUri()) {
+ uri = uriHandler.getAssociatedHistoryUri();
+ NodeRevisionNumber revisionNumber = new NodeRevisionNumber("0.0");
+ revisionDescriptors = contentHelper.retrieve(sToken, uri);
+ revisionDescriptor = contentHelper.retrieve(sToken,
revisionDescriptors, revisionNumber);
+ }
+ else {
+ uri = resourcePath;
+ revisionDescriptors = contentHelper.retrieve(sToken, uri);
+ revisionDescriptor = contentHelper.retrieve(sToken,
revisionDescriptors);
+ }
+ return getProperty(propertyName, revisionDescriptors, revisionDescriptor);
+ }
+
+ /**
+ * Returns the property of the resource described by
+ * the resourcePath.
+ *
+ * @param propertyName the name of the property.
+ * @param revisionDescriptors the NodeRevisionDescriptors of the resource.
+ * @param revisionDescriptor the NodeRevisionDescriptor of the resource.
+ *
+ * @return the property.
+ *
+ * @throws ObjectLockedException
+ * @throws RevisionDescriptorNotFoundException
+ * @throws ServiceAccessException
+ * @throws LinkedObjectNotFoundException
+ * @throws AccessDeniedException
+ * @throws ObjectNotFoundException
+ */
+ public NodeProperty getProperty(String propertyName, NodeRevisionDescriptors
revisionDescriptors, NodeRevisionDescriptor revisionDescriptor) throws
ObjectLockedException, RevisionDescriptorNotFoundException, ServiceAccessException,
LinkedObjectNotFoundException, AccessDeniedException, ObjectNotFoundException {
+
+ NodeProperty property = null;
+ ResourceKind resourceKind =
AbstractResourceKind.determineResourceKind(revisionDescriptor);
+ if (resourceKind.isSupportedLiveProperty(propertyName)) {
+ if (AbstractResourceKind.isComputedProperty(propertyName)) {
+ property = computeProperty(propertyName, revisionDescriptors,
revisionDescriptor);
+ }
+ }
+
+ return property;
+ }
+
+ /**
+ * Returns the computed property of the resource.
+ *
+ * @param propertyName the name of the property.
+ * @param revisionDescriptors the NodeRevisionDescriptors of the resource.
+ * @param revisionDescriptor the NodeRevisionDescriptor of the resource.
+ *
+ * @return the property.
+ *
+ * @throws ObjectLockedException
+ * @throws RevisionDescriptorNotFoundException
+ * @throws ServiceAccessException
+ * @throws LinkedObjectNotFoundException
+ * @throws AccessDeniedException
+ * @throws ObjectNotFoundException
+ */
+ public NodeProperty computeProperty(String propertyName,
NodeRevisionDescriptors revisionDescriptors, NodeRevisionDescriptor
revisionDescriptor) throws ObjectLockedException, RevisionDescriptorNotFoundException,
ServiceAccessException, LinkedObjectNotFoundException, AccessDeniedException,
ObjectNotFoundException {
+
+ NodeProperty property = null;
+ if (P_SUCCESSOR_SET.equals(propertyName)) {
+ property = new NodeProperty(propertyName,
computeSuccessorSet(revisionDescriptors, revisionDescriptor));
+ }
+ else if (P_VERSION_HISTORY.equals(propertyName)) {
+ property = new NodeProperty(propertyName,
computeVersionHistory(revisionDescriptors, revisionDescriptor));
+ }
+ else if (P_ROOT_VERSION.equals(propertyName)) {
+ property = new NodeProperty(propertyName,
computeRootVersion(revisionDescriptors, revisionDescriptor));
+ }
+ else if (P_SUPPORTED_METHOD_SET.equals(propertyName)) {
+ property = new NodeProperty(propertyName,
computeSupportedMethodSet(revisionDescriptors, revisionDescriptor));
+ }
+ else if (P_SUPPORTED_LIVE_PROPERTY_SET.equals(propertyName)) {
+ property = new NodeProperty(propertyName,
computeSupportedLivePropertySet(revisionDescriptors, revisionDescriptor));
+ }
+ else if (P_SUPPORTED_REPORT_SET.equals(propertyName)) {
+ property = new NodeProperty(propertyName,
computeSupportedReportSet(revisionDescriptors, revisionDescriptor));
+ }
+
+ return property;
+ }
+
+ /**
+ * Returns an XMLValue containing the <code><href></code> elements
+ * describing the successors of the resource.
+ *
+ * @param revisionDescriptors the NodeRevisionDescriptors of the resource.
+ * @param revisionDescriptor the NodeRevisionDescriptor of the resource.
+ *
+ * @return the successor list.
+ *
+ * @throws ObjectLockedException
+ * @throws RevisionDescriptorNotFoundException
+ * @throws ServiceAccessException
+ * @throws LinkedObjectNotFoundException
+ * @throws AccessDeniedException
+ * @throws ObjectNotFoundException
+ */
+ public XMLValue computeSuccessorSet(NodeRevisionDescriptors
revisionDescriptors, NodeRevisionDescriptor revisionDescriptor) throws
ObjectLockedException, RevisionDescriptorNotFoundException, ServiceAccessException,
LinkedObjectNotFoundException, AccessDeniedException, ObjectNotFoundException {
+
+ XMLValue xmlValue = new XMLValue();
+ Element hrefElement = new Element(E_HREF, defNamespace);
+ NodeRevisionDescriptor successorRevisionDescriptor = null;
+ NodeRevisionNumber successorRevisionNumber = null;
+ Enumeration successorEnum =
revisionDescriptors.getSuccessors(revisionDescriptor.getRevisionNumber());
+
+ if (successorEnum != null) {
+ while (successorEnum.hasMoreElements()) {
+ successorRevisionNumber =
(NodeRevisionNumber)successorEnum.nextElement();
+ hrefElement = (Element)hrefElement.clone();
+ StringBuffer buffer = new
StringBuffer(revisionDescriptors.getUri());
+ if ( ! revisionDescriptors.getUri().endsWith("/") ) {
+ buffer.append("/");
+ }
+ buffer.append(successorRevisionNumber.toString());
+ hrefElement.setText(buffer.toString());
+ xmlValue.add(hrefElement);
+ }
+ }
+ return xmlValue;
+ }
+
+ /**
+ * Returns an XMLValue containing the <code><href></code> element
+ * with the history URI of the resource. If the resource is neither a
+ * VR, checked-in VCR or checked-out VCR, the returned XMLValue is empty.
+ *
+ * @param revisionDescriptors the NodeRevisionDescriptors of the resource.
+ * @param revisionDescriptor the NodeRevisionDescriptor of the resource.
+ *
+ * @return the version history <code><href></code>.
+ *
+ * @throws ObjectLockedException
+ * @throws RevisionDescriptorNotFoundException
+ * @throws ServiceAccessException
+ * @throws LinkedObjectNotFoundException
+ * @throws AccessDeniedException
+ * @throws ObjectNotFoundException
+ */
+ public XMLValue computeVersionHistory(NodeRevisionDescriptors
revisionDescriptors, NodeRevisionDescriptor revisionDescriptor) throws
ObjectLockedException, RevisionDescriptorNotFoundException, ServiceAccessException,
LinkedObjectNotFoundException, AccessDeniedException, ObjectNotFoundException {
+
+ XMLValue xmlValue = new XMLValue();
+ ResourceKind resourceKind =
AbstractResourceKind.determineResourceKind(revisionDescriptor);
+ if (resourceKind instanceof Version) {
+ Element element = new Element(E_HREF, defNamespace);
+ element.setText(revisionDescriptors.getUri());
+ xmlValue.add(element);
+ }
+ else if (resourceKind instanceof CheckedInVersionControlled) {
+ Element element = new Element(E_HREF, defNamespace);
+ String checkedInUri =
revisionDescriptor.getProperty(P_CHECKED_IN).getValue().toString();
+ UriHandler uriHandler = UriHandler.getUriHandler(nsaToken,
checkedInUri);
+ element.setText(uriHandler.getAssociatedHistoryUri());
+ xmlValue.add(element);
+ }
+ else if (resourceKind instanceof CheckedOutVersionControlled) {
+ Element element = new Element(E_HREF, defNamespace);
+ String checkedInUri =
revisionDescriptor.getProperty(P_CHECKED_OUT).getValue().toString();
+ UriHandler uriHandler = UriHandler.getUriHandler(nsaToken,
checkedInUri);
+ element.setText(uriHandler.getAssociatedHistoryUri());
+ xmlValue.add(element);
+ }
+
+ return xmlValue;
+ }
+
+ /**
+ * Returns an XMLValue containing the <code><href></code> element
+ * with the URI of the root version of the history.
+ * If the resource is not a history, the returned XMLValue is empty.
+ *
+ * @param revisionDescriptors the NodeRevisionDescriptors of the resource.
+ * @param revisionDescriptor the NodeRevisionDescriptor of the resource.
+ *
+ * @return the root version URI.
+ *
+ * @throws ObjectLockedException
+ * @throws RevisionDescriptorNotFoundException
+ * @throws ServiceAccessException
+ * @throws LinkedObjectNotFoundException
+ * @throws AccessDeniedException
+ * @throws ObjectNotFoundException
+ */
+ public XMLValue computeRootVersion(NodeRevisionDescriptors revisionDescriptors,
NodeRevisionDescriptor revisionDescriptor) throws ObjectLockedException,
RevisionDescriptorNotFoundException, ServiceAccessException,
LinkedObjectNotFoundException, AccessDeniedException, ObjectNotFoundException {
+
+ XMLValue xmlValue = new XMLValue();
+
+ ResourceKind resourceKind =
AbstractResourceKind.determineResourceKind(revisionDescriptor);
+ if (resourceKind instanceof VersionHistory) {
+ Element element = new Element(E_HREF, defNamespace);
+ StringBuffer buffer = new StringBuffer(revisionDescriptors.getUri());
+ if ( ! revisionDescriptors.getUri().endsWith("/") ) {
+ buffer.append("/");
+ }
+ buffer.append(revisionDescriptors.getInitialRevision().toString());
+ element.setText(buffer.toString());
+ xmlValue.add(element);
+ }
+
+ return xmlValue;
+ }
+
+ /**
+ * Returns an XMLValue containing the <code><supported-method></code>
+ * elements with the name (attribute) of the supported methods.
+ * <br></br>
+ * <i>Note:</i>
+ * <br></br>
+ * <i>
+ * Due to the specification this is <b>not</b> a computed property, but because
+ * of implementation problems it is not stored.
+ * </i>
+ *
+ * @param revisionDescriptors the NodeRevisionDescriptors of the resource.
+ * @param revisionDescriptor the NodeRevisionDescriptor of the resource.
+ *
+ * @return the supported methods.
+ *
+ * @throws ObjectLockedException
+ * @throws RevisionDescriptorNotFoundException
+ * @throws ServiceAccessException
+ * @throws LinkedObjectNotFoundException
+ * @throws AccessDeniedException
+ * @throws ObjectNotFoundException
+ */
+ public XMLValue computeSupportedMethodSet(NodeRevisionDescriptors
revisionDescriptors, NodeRevisionDescriptor revisionDescriptor) throws
ObjectLockedException, RevisionDescriptorNotFoundException, ServiceAccessException,
LinkedObjectNotFoundException, AccessDeniedException, ObjectNotFoundException {
+
+ XMLValue xmlValue = new XMLValue();
+
+ ResourceKind resourceKind =
AbstractResourceKind.determineResourceKind(revisionDescriptor);
+ Set supportedMethodNames = resourceKind.getSupportedMethods();
+ Iterator iterator = supportedMethodNames.iterator();
+ Element supportedMethod = null;
+ while (iterator.hasNext()) {
+ supportedMethod = new Element(E_SUPPORTED_METHOD);
+ supportedMethod.setAttribute(new Attribute(E_NAME,
(String)iterator.next()));
+ xmlValue.add(supportedMethod);
+ }
+
+ return xmlValue;
+ }
+
+ /**
+ * Returns an XMLValue containing the
<code><supported-live-property></code>
+ * elements containing <code><prop></code> which are containing
+ * elements with the name of the property.
+ * <br></br>
+ * <i>Note:</i>
+ * <br></br>
+ * <i>
+ * Due to the specification this is <b>not</b> a computed property, but because
+ * of implementation problems it is not stored.
+ * </i>
+ *
+ * @param revisionDescriptors the NodeRevisionDescriptors of the resource.
+ * @param revisionDescriptor the NodeRevisionDescriptor of the resource.
+ *
+ * @return the supported live properties.
+ *
+ * @throws ObjectLockedException
+ * @throws RevisionDescriptorNotFoundException
+ * @throws ServiceAccessException
+ * @throws LinkedObjectNotFoundException
+ * @throws AccessDeniedException
+ * @throws ObjectNotFoundException
+ */
+ public XMLValue computeSupportedLivePropertySet(NodeRevisionDescriptors
revisionDescriptors, NodeRevisionDescriptor revisionDescriptor) throws
ObjectLockedException, RevisionDescriptorNotFoundException, ServiceAccessException,
LinkedObjectNotFoundException, AccessDeniedException, ObjectNotFoundException {
+
+ XMLValue xmlValue = new XMLValue();
+
+ ResourceKind resourceKind =
AbstractResourceKind.determineResourceKind(revisionDescriptor);
+ Set supportedLivePropertyNames = resourceKind.getSupportedLiveProperties();
+ Iterator iterator = supportedLivePropertyNames.iterator();
+ Element supportedLivePropertyElement = null;
+ Element propElement = null;
+ Element propertyElement = null;
+ while (iterator.hasNext()) {
+
+ supportedLivePropertyElement = new Element(E_SUPPORTED_LIVE_PROPERTY);
+ propElement = new Element(E_PROP);
+ supportedLivePropertyElement.addContent(propElement);
+ propertyElement = new Element((String)iterator.next());
+ propElement.addContent(propertyElement);
+ xmlValue.add(supportedLivePropertyElement);
+ }
+
+ return xmlValue;
+ }
+
+ /**
+ * Returns an XMLValue containing the <code><supported-report></code>
+ * elements containing <code><report></code> which are containing
+ * elements with the name of the report.
+ * <br></br>
+ * <i>Note:</i>
+ * <br></br>
+ * <i>
+ * Due to the specification this is <b>not</b> a computed property, but because
+ * of implementation problems it is not stored.
+ * </i>
+ *
+ * @param revisionDescriptors the NodeRevisionDescriptors of the resource.
+ * @param revisionDescriptor the NodeRevisionDescriptor of the resource.
+ *
+ * @return the supported reports.
+ *
+ * @throws ObjectLockedException
+ * @throws RevisionDescriptorNotFoundException
+ * @throws ServiceAccessException
+ * @throws LinkedObjectNotFoundException
+ * @throws AccessDeniedException
+ * @throws ObjectNotFoundException
+ */
+ public XMLValue computeSupportedReportSet(NodeRevisionDescriptors
revisionDescriptors, NodeRevisionDescriptor revisionDescriptor) throws
ObjectLockedException, RevisionDescriptorNotFoundException, ServiceAccessException,
LinkedObjectNotFoundException, AccessDeniedException, ObjectNotFoundException {
+
+ XMLValue xmlValue = new XMLValue();
+
+ ResourceKind resourceKind =
AbstractResourceKind.determineResourceKind(revisionDescriptor);
+ Set supportedReportNames = resourceKind.getSupportedReports();
+ Iterator iterator = supportedReportNames.iterator();
+ Element supportedReportElement = null;
+ Element reportElement = null;
+ Element propertyElement = null;
+ while (iterator.hasNext()) {
+
+ supportedReportElement = new Element(E_SUPPORTED_REPORT);
+ reportElement = new Element(E_REPORT);
+ supportedReportElement.addContent(reportElement);
+ propertyElement = new Element((String)iterator.next());
+ reportElement.addContent(propertyElement);
+ xmlValue.add(supportedReportElement);
+ }
+
+ return xmlValue;
+ }
+
}
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