CopyMethod.java
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|---|---|---|
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org.apache.slide.webdav.method |
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Jakarta Slide |
View: Reasons, Metrics, Source Code
These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
| Metric | Description | |
|---|---|---|
| RETURNS | Number of return points from functions |  |
| EXEC_COMMENTS | Comments in executable code | |
| EXITS | Procedure exits | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| LINE_COMMENT | Number of line comments | |
| SIZE | Size of the file in bytes | |
| JAVA0115 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0075 | JAVA0075 Method parameter hides field | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| BLOCKS | Number of blocks | |
| OPERANDS | Number of operands | |
| PROGRAM_LENGTH | Halstead program length | |
| CYCLOMATIC | Cyclomatic complexity | |
| OPERATORS | Number of operators | |
| COMPARISONS | Number of comparison operators | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| LINES | Number of lines in the source file | |
| DECL_COMMENTS | Comments in declarations | |
| ELOC | Effective lines of code | |
| LOC | Lines of code | |
| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0008 | JAVA0008 Empty catch block | |
| LOGICAL_LINES | Number of statements | |
| COMMENTS | Comment lines | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0179 | JAVA0179 Local variable hides visible field | |
| JAVA0109 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| DOC_COMMENT | Number of javadoc comment lines | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| LOOPS | Number of loops | |
| UNIQUE_OPERATORS | Number of unique operators | |
| NEST_DEPTH | Maximum nesting depth | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* $Header$
* $Revision: 208545 $
* $Date: 2005-02-25 12:07:59 -0500 (Fri, 25 Feb 2005) $
*
* ====================================================================
*
* Copyright 1999-2002 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.slide.webdav.method;
import java.util.*;
import org.apache.slide.content.*;
import org.apache.slide.macro.*;
import org.apache.slide.webdav.util.*;
import java.io.IOException;
import org.apache.slide.common.NamespaceAccessToken;
import org.apache.slide.common.ServiceAccessException;
import org.apache.slide.common.SlideException;
import org.apache.slide.event.EventDispatcher;
import org.apache.slide.event.VetoException;
import org.apache.slide.lock.ObjectLockedException;
import org.apache.slide.security.AccessDeniedException;
import org.apache.slide.structure.LinkedObjectNotFoundException;
import org.apache.slide.structure.ObjectNode;
import org.apache.slide.structure.ObjectNotFoundException;
import org.apache.slide.structure.SubjectNode;
import org.apache.slide.util.Configuration;
import org.apache.slide.util.XMLValue;
import org.apache.slide.webdav.WebdavException;
import org.apache.slide.webdav.WebdavServletConfig;
import org.apache.slide.webdav.event.DetailedWebdavEvent;
import org.apache.slide.webdav.event.WebdavEvent;
import org.apache.slide.webdav.util.resourcekind.AbstractResourceKind;
import org.apache.slide.webdav.util.resourcekind.CheckedInVersionControlled;
import org.apache.slide.webdav.util.resourcekind.ResourceKind;
import org.apache.slide.webdav.util.resourcekind.VersionableImpl;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.Namespace;
/**
* COPY Method.
*
*/
public class CopyMethod extends AbstractMultistatusResponseMethod implements DeltavConstants,
AclConstants, BindConstants, CopyListener, DeleteListener, CopyRouteRedirector,
WriteMethod, FineGrainedLockingMethod {
/**
* Maps the URI of a destination to its descriptor.
* Used by {@link #beforeCopy beforeCopy()} and {@link #afterCopy afterCopy()}.
*/
protected Map destinationDescriptorMap = new HashMap();
/**
* Maps the URI of a destination to its backup descriptor.
* Used by {@link #beforeCopy beforeCopy()} and {@link #afterCopy afterCopy()}.
*/
protected Map destinationBackupDescriptorMap = new HashMap();
/**
* The value of the <code>Label</code> header.
*/
protected String labelHeader = null;
private MacroParameters macroParameters = null;
// ----------------------------------------------------------- Constructors
/**
* Constructor.
*
* @param token the token for accessing the namespace
* @param config configuration of the WebDAV servlet
*/
public CopyMethod(NamespaceAccessToken token, WebdavServletConfig config) {
super(token, config);
}
/**
* @see org.apache.slide.webdav.method.FineGrainedLockingMethod#acquireFineGrainLocks()
*/
public void acquireFineGrainLocks() {
acquireStandardLocks(destinationUri);
acquireStandardLocks(sourceUri);
// changes this and parent
acquireLock(destinationUri, WRITE_LOCK); // effectively means recursive write locks
acquireParentLock(destinationUri, WRITE_LOCK);
// XXX fake resursivly lock to source uri using write lock
acquireLock(sourceUri, WRITE_LOCK);
}
// ------------------------------------------------------ Protected Methods
/**
* Parse request.
*
* @exception WebdavException Does not happen
*/
protected void parseRequest() throws WebdavException {
super.parseRequest();
labelHeader = WebdavUtils.fixTomcatHeader(requestHeaders.getLabel(), "UTF-8");
}
/**
* Execute request.
*
* @exception WebdavException Unrecoverable error occured while copying
*/
protected void executeRequest()
throws WebdavException, IOException {
// Prevent dirty reads
slideToken.setForceStoreEnlistment(true);
boolean isCollection = isCollection(sourceUri);
// check lock-null resources
try {
if (isLockNull(sourceUri)) {
int statusCode = WebdavStatus.SC_NOT_FOUND;
sendError( statusCode, "lock-null resource", new Object[]{sourceUri} );
throw new WebdavException( statusCode );
}
}
catch (ServiceAccessException e) {
int statusCode = getErrorCode((Exception)e);
sendError( statusCode, e );
throw new WebdavException( statusCode );
}
// check destination URI
UriHandler destUh = UriHandler.getUriHandler(destinationUri);
if (destUh.isRestrictedUri()) {
boolean sendError = true;
if( destUh.isWorkspaceUri() || destUh.isWorkingresourceUri() ) {
// COPY on existing WSs or WRs is *not* restricted !!!
try {
content.retrieve(slideToken, destinationUri);
sendError = false;
}
catch( SlideException x ) {
int statusCode = getErrorCode(x);
sendError( statusCode, x );
throw new WebdavException( statusCode );
}
}
if( sendError ) {
int statusCode = WebdavStatus.SC_FORBIDDEN;
sendError( statusCode, getClass().getName()+".restrictedDestinationUri", new Object[]{destinationUri} );
throw new WebdavException( statusCode );
}
}
try {
// compare resource types of source and destination
int depth = requestHeaders.getDepth(INFINITY);
if (depth != 0 && depth != INFINITY) {
int sc = WebdavStatus.SC_PRECONDITION_FAILED;
sendError( sc, "Invalid header Depth: "+depth );
throw new WebdavException( sc );
}
boolean recursive = (depth == INFINITY);
if (overwrite) {
macroParameters = new MacroParameters(recursive, true, true);
} else {
macroParameters = new MacroParameters(recursive, false, false);
}
boolean destinationExistsBefore = exists( destinationUri );
if (!overwrite && destinationExistsBefore) {
int statusCode = WebdavStatus.SC_PRECONDITION_FAILED;
sendError( statusCode, getClass().getName()+".noOverwrite", new Object[]{destinationUri} );
throw new WebdavException( statusCode );
}
if ( WebdavEvent.COPY.isEnabled() ) EventDispatcher.getInstance().fireVetoableEvent(WebdavEvent.COPY, new WebdavEvent(this));
macro.copy(slideToken, sourceUri, destinationUri, macroParameters, this, this, null, this);
if (overwrite && destinationExistsBefore) {
resp.setStatus(WebdavStatus.SC_NO_CONTENT);
} else {
resp.setStatus(WebdavStatus.SC_CREATED);
}
} catch (MacroException e) {
if(generateMultiStatusResponse(isCollection, e, requestUri)) {
String errorMessage = generateErrorMessage(e);
// Write it on the servlet writer
resp.setStatus(WebdavStatus.SC_MULTI_STATUS);
try {
resp.setContentType(TEXT_XML_UTF_8);
resp.getWriter().write(errorMessage);
} catch(IOException ex) {
// Critical error ... Servlet container is dead or something
int statusCode = WebdavStatus.SC_INTERNAL_SERVER_ERROR;
sendError( statusCode, e );
throw new WebdavException( statusCode );
}
} else {
// Returning 207 on non-collection requests is generally
// considered bad. So let's not do it, since this way
// makes clients generally behave better.
SlideException exception = (SlideException)e.enumerateExceptions().nextElement();
if (exception instanceof PreconditionViolationException) {
try {
sendPreconditionViolation((PreconditionViolationException)exception);
} catch(IOException ex) {
// Critical error ... Servlet container is dead or something
int statusCode = WebdavStatus.SC_INTERNAL_SERVER_ERROR;
sendError( statusCode, e );
throw new WebdavException( statusCode );
}
}
else {
int statusCode = getErrorCode( exception );
sendError( statusCode, exception );
throw new WebdavException( statusCode );
}
}
//
// make sure the transaction is aborted
// throw any WebDAV exception to indicate the transaction wants to be aborted
//
throw new WebdavException(WebdavStatus.SC_ACCEPTED, false);
}
catch (WebdavException e) {
throw e;
}
catch (SlideException e) {
int statusCode = getErrorCode( e );
sendError( statusCode, e );
throw new WebdavException( statusCode );
}
}
/**
* Get return status based on exception type.
*/
protected int getErrorCode(SlideException ex) {
try {
throw ex;
} catch(RevisionNotFoundException e) {
return WebdavStatus.SC_NOT_FOUND;
} catch (SlideException e) {
return super.getErrorCode(e);
}
}
/**
* Restores all live properties that should not be copied.
*
* @param destinationRevisionDescriptor the descriptor to restore.
* @param existingDestinationRevisionDescriptor the descriptor that has been overwritten.
*/
private void restoreLiveProperties(String destinationUri, NodeRevisionDescriptor destinationNrd, NodeRevisionDescriptor existingNrd) {
// remove all live properties
Enumeration propertyEnum = destinationNrd.enumerateProperties();
NodeProperty property = null;
while (propertyEnum.hasMoreElements()) {
property = (NodeProperty)propertyEnum.nextElement();
if (isLivePropertyToRestore(destinationUri, property)) {
destinationNrd.removeProperty(property);
}
}
// copy all live properties of the existing destination
propertyEnum = existingNrd.enumerateProperties();
property = null;
while (propertyEnum.hasMoreElements()) {
property = (NodeProperty)propertyEnum.nextElement();
if (isLivePropertyToRestore(destinationUri, property)) {
destinationNrd.setProperty(property);
}
}
}
/**
* Indicates if the given property is a live property to restore.
*
* @param property the NodeProperty to decide.
*
* @return <code>true</code> if this is a live property to restore.
*/
private boolean isLivePropertyToRestore(String uri, NodeProperty property) {
boolean isLivePropertyToRestore = /*property.isLiveProperty() &&*/ (
DeltavConstants.DELTAV_PROPERTY_LIST.contains(property.getName()) ||
AclConstants.ACL_PROPERTY_LIST.contains(property.getName()) ||
BindConstants.BIND_PROPERTY_LIST.contains(property.getName()) ||
P_CREATIONDATE.equals(property.getName()) ||
( P_DISPLAYNAME.equals(property.getName()) &&
Configuration.useBinding(token.getUri(slideToken, uri).getStore()) )
);
return isLivePropertyToRestore;
}
/**
* Sets all DeltaV specific properties of the given NodeRevisionDescriptor
* to their initial value.
*
* @param revisionDescriptor the NodeRevisionDescriptor whose DeltaV
* properties should be reset.
*/
private void resetDeltavProperties(NodeRevisionDescriptor revisionDescriptor, String resourcePath) {
// use initial values for DeltaV properties
PropertyHelper propertyHelper = PropertyHelper.getPropertyHelper(slideToken, token, getConfig());
ResourceKind resourceKind = VersionableImpl.getInstance();
Iterator initialPropertyIterator =
propertyHelper.createInitialProperties(resourceKind, resourcePath).iterator();
NodeProperty property = null;
List initialDeltavProperties = new ArrayList();
while (initialPropertyIterator.hasNext()) {
property = (NodeProperty)initialPropertyIterator.next();
if (DeltavConstants.DELTAV_PROPERTY_LIST.contains(property.getName())) {
initialDeltavProperties.add(property);
}
}
Enumeration propertyEnum = revisionDescriptor.enumerateProperties();
property = null;
int index = 0;
while (propertyEnum.hasMoreElements()) {
property = (NodeProperty)propertyEnum.nextElement();
if (DeltavConstants.DELTAV_PROPERTY_LIST.contains(property.getName())) {
index = initialDeltavProperties.indexOf(property);
if (index >= 0) {
revisionDescriptor.setProperty((NodeProperty)initialDeltavProperties.get(index));
}
else {
revisionDescriptor.removeProperty(property);
}
}
}
}
/**
* Restores the "backup" NodeRevisionDescriptor which has been saved in
* method {@link #beforeDelete beforeDelete()}.
*
* @param destinationUri the Uri of the resource.
* @param destinationRevisionDescriptors the NodeRevisionDescriptors of
* the resource.
*/
private void restoreBackupRevisionDescriptor(String destinationUri, NodeRevisionDescriptors destinationNrds) throws RevisionNotFoundException, ServiceAccessException, RevisionAlreadyExistException, ObjectNotFoundException, LinkedObjectNotFoundException, ObjectLockedException, AccessDeniedException, RevisionDescriptorNotFoundException, BranchNotFoundException, NodeNotVersionedException, VetoException {
NodeRevisionDescriptor backupNrd =
(NodeRevisionDescriptor)destinationBackupDescriptorMap.get(destinationUri);
if (backupNrd != null) {
try {
content.retrieve( slideToken,
destinationNrds,
NodeRevisionNumber.HIDDEN_0_0 );
content.store( slideToken,
destinationNrds.getUri(),
backupNrd,
null );
}
catch (RevisionDescriptorNotFoundException e) {
content.create( slideToken,
destinationNrds.getUri(),
null,
backupNrd,
null ); // branch=null, revisionContent=null
}
}
}
// ------------------------------------------------------ Interface CopyRouteRedirector
/**
* Returns the (redirected) CopyRoute to use. Must not be <code>null</code>.
*
* @param the original CopyRoute.
*
* @return the (redirected) CopyRoute to use.
*
* @throws SlideException this Exception will be passed to the caller
* of the Macro helper (contained in the
* MacroCopyException).
*/
public CopyRoute getRedirectedCopyRoute(CopyRoute copyRoute) throws SlideException {
if (Configuration.useVersionControl()) {
String sourceUri = copyRoute.getSourceUri();
String destinationUri = copyRoute.getDestinationUri();
try {
sourceUri = versioningHelper.getLabeledResourceUri(sourceUri, labelHeader);
copyRoute = new CopyRoute(sourceUri, destinationUri);
}
catch (LabeledRevisionNotFoundException e) {
ViolatedPrecondition violatedPrecondition =
new ViolatedPrecondition(DeltavConstants.C_MUST_SELECT_VERSION_IN_HISTORY,
WebdavStatus.SC_CONFLICT);
throw new PreconditionViolationException(violatedPrecondition, sourceUri);
}
}
return copyRoute;
}
// ------------------------------------------------------ Interface CopyListener
/**
* This method is called prior to copying the resource associated by
* the given <code>sourceUri</code>. The copy can be prohibited by
* throwing a SlideException.
*
* @param sourceUri the Uri of the resource that will be copied.
* @param destinationUri the Uri of the copy.
*
* @throws SlideException this Exception will be passed to the caller
* of the Macro helper (contained in the
* MacroDeleteException.
*/
public void beforeCopy(String sourceUri, String destinationUri, boolean isRootOfCopy) throws SlideException {
if (DetailedWebdavEvent.COPY_BEFORE_COPY.isEnabled()) {
EventDispatcher.getInstance().fireVetoableEvent(
DetailedWebdavEvent.COPY_BEFORE_COPY,
new DetailedWebdavEvent(this, destinationUri, sourceUri));
}
if(Configuration.useVersionControl()) {
UriHandler sourceUh = UriHandler.getUriHandler(sourceUri);
if (sourceUh.isHistoryUri()) {
throw new PreconditionViolationException(
new ViolatedPrecondition(DeltavConstants.C_CANNOT_COPY_HISTORY, WebdavStatus.SC_FORBIDDEN), sourceUri);
}
if (!macroParameters.isDeleteCreate()) {
beforeUpdateOrDelete( destinationUri );
}
}
if (isRootOfCopy && Configuration.useBinding(token.getUri(slideToken, destinationUri).getStore())) {
// collect the parent bindings of the destination node
Map parentBindings = new HashMap();
try {
NodeRevisionDescriptor destinationNrd =
content.retrieve( slideToken, content.retrieve(slideToken, destinationUri) );
XMLValue v = new XMLValue( (String)destinationNrd.getProperty(PN_PARENT_SET).getValue());
Iterator i = v.iterator();
while (i.hasNext()) {
Namespace dnsp = Namespace.getNamespace(S_DAV);
Element parentElm = (Element)i.next();
String segment = parentElm.getChild(E_SEGMENT, dnsp).getTextTrim();
String href = parentElm.getChild(E_HREF, dnsp).getTextTrim();
parentBindings.put( href, segment );
}
}
catch( ServiceAccessException x ) {
throw x;
}
catch (SlideException e) {}
catch (JDOMException e) {}
macroParameters.setParameter( Macro.PARENT_BINDINGS, parentBindings );
}
}
/**
* This method is called after copying the resource to
* the given <code>destinationUri</code>.
*
* @param sourceUri the Uri of the resource that has been copied.
* @param destinationUri the Uri of the copy.
*
* @throws SlideException this Exception will be passed to the caller
* of the Macro helper (contained in the
* MacroDeleteException.
*/
public void afterCopy(String sourceUri, String destinationUri, boolean isRootOfCopy, boolean destinationExists) throws SlideException {
if(Configuration.useVersionControl()) {
NodeRevisionDescriptors destinationNrds = content.retrieve( slideToken, destinationUri);
NodeRevisionDescriptor destinationNrd = content.retrieve( slideToken, destinationNrds);
// restore backup descriptor
restoreBackupRevisionDescriptor(destinationUri, destinationNrds);
NodeRevisionDescriptor existingNrd =
(NodeRevisionDescriptor)destinationDescriptorMap.get(destinationUri);
if (existingNrd != null) {
// there has been an existing destination, so restore live properties
restoreLiveProperties(destinationUri, destinationNrd, existingNrd);
}
else {
// DAV:must-not-copy-versioning-property
resetDeltavProperties(destinationNrd, destinationUri);
}
// set <workspace> property
versioningHelper.setWorkspaceProperty(destinationUri, destinationNrd);
// set some other properties
destinationNrd.setLastModified( new Date() ); // P_GETLASTMODIFIED
destinationNrd.setETag( PropertyHelper.computeEtag(destinationUri, destinationNrd) ); // P_GETETAG
if (!destinationExists) {
// copy is creating a new resource
String creator = ((SubjectNode)security.getPrincipal(slideToken)).getPath().lastSegment();
destinationNrd.setOwner(creator);
}
content.store(slideToken, destinationNrds.getUri(), destinationNrd, null);
// checkin if necessary
boolean mustCheckin = versioningHelper.mustCheckinAutoVersionedVCR(slideToken, destinationNrds, destinationNrd);
if (mustCheckin) {
try {
versioningHelper.checkin(destinationUri, false, false, true ); //forkOk=false, keepCheckedOut=false
}
catch (IOException e) {
throw new SlideException("Checkin failed: " + e.getMessage());
}
catch (JDOMException e) {
throw new SlideException("Checkin failed: " + e.getMessage());
}
}
// check if the resource should be put under version-control
if( isAutoVersionControl(destinationUri) && !isCollection(destinationUri) && !isExcludedForVersionControl(destinationUri) ) {
versioningHelper.versionControl(destinationUri);
}
}
if (isRootOfCopy && Configuration.useBinding(token.getUri(slideToken, destinationUri).getStore())) {
// try to restore the parent bindings
if (macroParameters.getParameter(Macro.PARENT_BINDINGS) != null) {
Map parentBindings = (Map)macroParameters.getParameter(Macro.PARENT_BINDINGS);
Iterator i = parentBindings.entrySet().iterator();
while (i.hasNext()) {
Map.Entry me = (Map.Entry)i.next();
ObjectNode parentNode = structure.retrieve( slideToken, (String)me.getKey() );
ObjectNode destinationNode = structure.retrieve( slideToken, destinationUri );
String segment = (String)me.getValue();
structure.addBinding( slideToken, parentNode, segment, destinationNode );
}
}
}
if (DetailedWebdavEvent.COPY_AFTER_COPY.isEnabled()) {
EventDispatcher.getInstance().fireVetoableEvent(
DetailedWebdavEvent.COPY_AFTER_COPY,
new DetailedWebdavEvent(this, destinationUri, sourceUri));
}
}
// ------------------------------------------------------ Interface DeleteListener
/**
* This method is called prior to deleting the resource associated by
* the given <code>targetUri</code>. The deletion can be prohibited by
* throwing a SlideException.
*
* @param destinationUri the Uri of the resource that will be deleted.
*
* @throws SlideException this Exception will be passed to the caller
* of the Macro helper (contained in the
* MacroDeleteException.
*/
public void beforeDelete(String destinationUri) throws SlideException {
if (DetailedWebdavEvent.COPY_BEFORE_DELETE.isEnabled()) {
EventDispatcher.getInstance().fireVetoableEvent(
DetailedWebdavEvent.COPY_BEFORE_DELETE,
new DetailedWebdavEvent(this, destinationUri, sourceUri));
}
beforeUpdateOrDelete( destinationUri );
}
/**
* This method is called prior to deleting the resource associated by
* the given <code>targetUri</code>. The deletion can be prohibited by
* throwing a SlideException.
*
* @param destinationUri the Uri of the resource that will be deleted.
*
* @throws SlideException this Exception will be passed to the caller
* of the Macro helper (contained in the
* MacroDeleteException.
*/
private void beforeUpdateOrDelete(String destinationUri) throws SlideException {
if( Configuration.useVersionControl() ) {
NodeRevisionDescriptors destinationNrds = null;
NodeRevisionDescriptor destinationNrd = null;
try {
destinationNrds = content.retrieve( slideToken, destinationUri);
destinationNrd = content.retrieve( slideToken, destinationNrds);
}
catch (ObjectNotFoundException e) {}
if (destinationNrds != null && destinationNrd != null) {
ResourceKind resourceKind = AbstractResourceKind.determineResourceKind(token, destinationUri, destinationNrd);
if (resourceKind instanceof CheckedInVersionControlled) {
// check precondition DAV:cannot-modify-version-controlled-content
String autoVersion = versioningHelper.getAutoVersionElementName(destinationNrd);
if (autoVersion == null) {
autoVersion = "";
}
if ( !E_CHECKOUT_CHECKIN.equals(autoVersion) &&
!E_CHECKOUT_UNLOCKED_CHECKIN.equals(autoVersion) &&
!E_CHECKOUT.equals(autoVersion) &&
!E_CHECKOUT_IGNORE_UNLOCK.equals(autoVersion) &&
!E_LOCKED_CHECKOUT.equals(autoVersion) ) {
throw new PreconditionViolationException(new ViolatedPrecondition(C_CANNOT_MODIFY_VERSION_CONTROLLED_CONTENT,
WebdavStatus.SC_FORBIDDEN), destinationUri);
}
if ( E_LOCKED_CHECKOUT.equals(autoVersion) &&
( !versioningHelper.isWriteLocked(slideToken, destinationNrds) ) ) {
throw new PreconditionViolationException(new ViolatedPrecondition(C_CANNOT_MODIFY_VERSION_CONTROLLED_CONTENT,
WebdavStatus.SC_FORBIDDEN), destinationUri);
}
}
// check precondition DAV:cannot-modify-version
UriHandler uriHandler = UriHandler.getUriHandler(destinationUri);
if (uriHandler.isVersionUri()) {
throw new PreconditionViolationException(new ViolatedPrecondition(C_CANNOT_MODIFY_VERSION,
WebdavStatus.SC_FORBIDDEN), destinationUri);
}
// checkout if necessary
if( Configuration.useVersionControl() &&
(resourceKind instanceof CheckedInVersionControlled) &&
versioningHelper.mustCheckoutAutoVersionedVCR(destinationNrds, destinationNrd) ) {
try {
versioningHelper.checkout(destinationNrds, destinationNrd, false, false, true );
}
catch (IOException e) {
throw new SlideException("Checkout failed: " + e.getMessage());
}
catch (JDOMException e) {
throw new SlideException("Checkout failed: " + e.getMessage());
}
}
// store the descriptor(s) in order to restore it in afterDelete()
// (the COPY specification for DeltaV says that an existing destination
// must not be deleted)
try {
NodeRevisionDescriptor backupNrd =
content.retrieve( slideToken, destinationNrds, NodeRevisionNumber.HIDDEN_0_0 );
destinationBackupDescriptorMap.put(destinationUri, backupNrd);
}
catch (RevisionDescriptorNotFoundException e) {
}
destinationDescriptorMap.put(destinationUri, destinationNrd);
}
}
}
/**
* This method is called after deleting the resource associated by
* the given <code>targetUri</code>.
*
* @param targetUri the Uri of the resource that has been deleted.
*
* @throws SlideException this Exception will be passed to the caller
* of the Macro helper (contained in the
* targetUricroDeleteException.
*/
public void afterDelete(String targetUri) throws SlideException {
if (DetailedWebdavEvent.COPY_AFTER_DELETE.isEnabled()) {
EventDispatcher.getInstance().fireVetoableEvent(
DetailedWebdavEvent.COPY_AFTER_DELETE,
new DetailedWebdavEvent(this, destinationUri, sourceUri));
}
}
}
The table below shows all metrics for CopyMethod.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 100.00 | Number of blocks | |
| BLOCK_COMMENT | 22.00 | Number of block comment lines | |
| COMMENTS | 194.00 | Comment lines | |
| COMMENT_DENSITY | 0.57 | Comment density | |
| COMPARISONS | 63.00 | Number of comparison operators | |
| CYCLOMATIC | 95.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 25.00 | Comments in declarations | |
| DOC_COMMENT | 131.00 | Number of javadoc comment lines | |
| ELOC | 339.00 | Effective lines of code | |
| EXEC_COMMENTS | 29.00 | Comments in executable code | |
| EXITS | 110.00 | Procedure exits | |
| FUNCTIONS | 15.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 65.35 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 156.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 1.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 4.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 1.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 0.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 8.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 0.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 0.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 1.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 0.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 0.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 6.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 4.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 1.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 1.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 1.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 12.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 0.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 0.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 0.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 0.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 0.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 0.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 9.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 0.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 0.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 2.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 0.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 2.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 3.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 3.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 0.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 713.00 | Number of lines in the source file | |
| LINE_COMMENT | 41.00 | Number of line comments | |
| LOC | 429.00 | Lines of code | |
| LOGICAL_LINES | 193.00 | Number of statements | |
| LOOPS | 6.00 | Number of loops | |
| NEST_DEPTH | 5.00 | Maximum nesting depth | |
| OPERANDS | 1102.00 | Number of operands | |
| OPERATORS | 1995.00 | Number of operators | |
| PARAMS | 23.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 3097.00 | Halstead program length | |
| PROGRAM_VOCAB | 415.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 133.00 | Number of return points from functions | |
| SIZE | 31621.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 371.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 44.00 | Number of unique operators | |
| WHITESPACE | 90.00 | Number of whitespace lines | |