oracle.jdeveloper.vcs.spi
Class VCSURLFileSystemHelper

java.lang.Object
  oracle.ide.net.URLFileSystemHelper
      oracle.ide.net.URLFileSystemHelperDecorator
          oracle.jdeveloper.vcs.spi.VCSURLFileSystemHelper

public class VCSURLFileSystemHelper
extends URLFileSystemHelperDecorator

Base class for URLFileSystem helper decorator objects suitable for version system integration.

Since:

9.0.5

Field Summary

static java.lang.String

DEFAULT_AUTO_CHECK_OUT_COMMENTS

Fields inherited from class oracle.ide.net.URLFileSystemHelperDecorator

_helper

Constructor Summary

VCSURLFileSystemHelper(URLFileSystemHelper helper, java.lang.String vcsId)
Constructor.

VCSURLFileSystemHelper(URLFileSystemHelper helper, VCSExtension extension)
Constructor.

Method Summary

boolean	canCreate(java.net.URL url) Tests whether the application can create the resource at the specified URL.
protected boolean	canCreateImpl(java.net.URL url) Can the given URL be created in the version system.
boolean	canDelete(java.net.URL url) Tests whether the application can delete the resource at the specified URL.
protected boolean	canDeleteImpl(java.net.URL url) Can the given URL be deleted in the version system.
void	delete(java.net.URL url) Deletes the content pointed to by the specified URL.
protected boolean	deleteImpl(java.net.URL url) Deletes the given URL through the version system.
void	deleteRecursively(java.net.URL url, URLFilter filter, boolean tolerant)
protected void	invokeAndPushEventQueue(java.lang.Runnable r) Invokes the given runnable, creating a temporary event queue to process paint events if necessary.
protected boolean	isAutoCheckoutsSet(java.net.URL url) Asks whether the VCS preference for automatic checkouts is currently set.
boolean	isEnabled() Asks whether the file system helper decorator is enabled.
protected boolean	isOperable(java.net.URL url)
boolean	isValid(java.net.URL url) Tests whether the specified URL is valid.
protected boolean	isValidImpl(java.net.URL url) Is the given URL be valid for the version system.
java.io.OutputStream	openOutputStream(java.net.URL url) Opens an OutputStream on the URL.
void	rename(java.net.URL oldUrl, java.net.URL newUrl) Renames the resource indicated by the first URL to the name indicated by the second URL.
protected boolean	renameToImpl(java.net.URL oldUrl, java.net.URL newUrl) Renames the given URL through the version system.
void	setEnabled(boolean enabled) Sets whether the file system helper decorator is enabled.
boolean	setReadOnly(java.net.URL url, boolean readOnly) Sets the read-only status of the resource indicated by the URL according to the specified readOnly flag.
protected boolean	setReadWrite(java.net.URL url) Sets the given URL read-write through the version system.

Methods inherited from class oracle.ide.net.URLFileSystemHelperDecorator

addURLFileSystemListener, canonicalize, canRead, canWrite, convertSuffix, createReader, createTempFile, ensureSuffix, equals, exists, getBaseParent, getDefaultIcon, getFileName, getHelper, getLength, getName, getParent, getPath, getPathNoExt, getPlatformPathName, getSuffix, getSystemDisplayName, getSystemIcon, hashCode, hasSuffix, insertNextDecorator, isBaseURLFor, isDirectory, isDirectoryPath, isHidden, isLocal, isReadOnly, isRegularFile, lastModified, list, list, listRoots, ls, ls, lsCached, lsCached, mkdir, mkdirs, openInputStream, removeURLFileSystemListener, setLastModified, toDisplayString, toEncodedString, toRelativeSpec, toRelativeSpec

Methods inherited from class oracle.ide.net.URLFileSystemHelper

appendRelativePath, areEqual, areEqualPathElems, code, getTempDirectory, haveSameAuthority, haveSameHost, haveSamePath, haveSamePort, haveSameProtocol, haveSameQuery, haveSameRef, haveSameUserInfo, list, toEncodedString, verifyList

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_AUTO_CHECK_OUT_COMMENTS

public static final java.lang.String DEFAULT_AUTO_CHECK_OUT_COMMENTS

Constructor Detail

VCSURLFileSystemHelper

public VCSURLFileSystemHelper(URLFileSystemHelper helper,
                              java.lang.String vcsId)

Constructor.

Parameters:

helper - the delegate helper object.

vcsId - the VCS extension ID, allowing framework-level checkouts.

VCSURLFileSystemHelper

public VCSURLFileSystemHelper(URLFileSystemHelper helper,
                              VCSExtension extension)

Constructor.

Parameters:

helper - the delegate helper object.

extension - the VCS extension, allowing framework-level checkouts.

Method Detail

setEnabled

public void setEnabled(boolean enabled)

Sets whether the file system helper decorator is enabled.

Parameters:

enabled - the enabled value.

isEnabled

public boolean isEnabled()

Asks whether the file system helper decorator is enabled.

Returns:

the enabled value.

canCreate

public boolean canCreate(java.net.URL url)

Description copied from class: URLFileSystemHelper

Tests whether the application can create the resource at the specified URL.

Overrides:

canCreate in class URLFileSystemHelperDecorator

Returns:

true if the resource at the specified URL exists or can be created; false otherwise.

canDelete

public boolean canDelete(java.net.URL url)

Description copied from class: URLFileSystemHelper

Tests whether the application can delete the resource at the specified URL.

Overrides:

canDelete in class URLFileSystemHelperDecorator

Returns:

true if the resource at the specified URL can be deleted.

See Also:

URLFileSystem.canDelete(URL)

isValid

public boolean isValid(java.net.URL url)

Description copied from class: URLFileSystemHelper

Tests whether the specified URL is valid. If the resource pointed by the URL exists the method returns true. If the resource does not exist, the method tests that all components of the path can be created.

Overrides:

isValid in class URLFileSystemHelperDecorator

Returns:

true if the URL is valid.

delete

public void delete(java.net.URL url)
            throws java.io.IOException

Description copied from class: URLFileSystemHelper

Deletes the content pointed to by the specified URL. If the content is a file (or analogous to a file), then the file is removed from its directory (or container). If the content is a directory (or analogous to a directory), then the directory is removed only if it is empty (i.e. contains no other files or directories).

The default implementation does nothing.

Overrides:

delete in class URLFileSystemHelperDecorator

Throws:

java.io.IOException - if an I/O exception occurred when trying to delete the URL.

rename

public void rename(java.net.URL oldUrl,
                   java.net.URL newUrl)
            throws java.io.IOException

Description copied from class: URLFileSystemHelper

Renames the resource indicated by the first URL to the name indicated by the second URL.

The default implementation does nothing.

Overrides:

rename in class URLFileSystemHelperDecorator

Throws:

java.io.IOException - if an I/O exception occurs while renaming the URL.

See Also:

URLFileSystem.renameTo(URL, URL), URLFileSystem.renameEx(URL, URL)

setReadOnly

public boolean setReadOnly(java.net.URL url,
                           boolean readOnly)

Description copied from class: URLFileSystemHelper

Sets the read-only status of the resource indicated by the URL according to the specified readOnly flag. The return value indicates whether or not the setting of the read-only flag succeeded.

The default implementation always returns false without doing anything.

Overrides:

setReadOnly in class URLFileSystemHelperDecorator

openOutputStream

public java.io.OutputStream openOutputStream(java.net.URL url)
                                      throws java.io.IOException

Description copied from class: URLFileSystemHelper

Opens an OutputStream on the URL. If the file does not exist, the file should be created. If the directory path to the file does not exist, all necessary directories should be created.

The default implementation attempts to open the OutputStream through the URLConnection associated with the URL. If the URLConnection implementation does not support an OutputStream then an UnknownServiceException (a runtime exception) will be thrown.

Overrides:

openOutputStream in class URLFileSystemHelperDecorator

Throws:

java.io.IOException - if an I/O error occurs when trying to open the OutputStream.

java.net.UnknownServiceException - if the URLConnection backing the specified URL does not support an OutputStream.

See Also:

IOException, URLConnection, UnknownServiceException

deleteImpl

protected boolean deleteImpl(java.net.URL url)

Deletes the given URL through the version system. Override this method to perform a file removal.

Parameters:

url - the URL to be deleted.

Returns:

true if and only if the file or directory is successfully deleted; false otherwise.

See Also:

URLFileSystemHelper.delete(java.net.URL)

renameToImpl

protected boolean renameToImpl(java.net.URL oldUrl,
                               java.net.URL newUrl)

Renames the given URL through the version system. Override this method to perform a file move.

Parameters:

oldUrl - the URL to be renamed.

newUrl - the new URL location after renaming.

Returns:

true if and only if the file or directory is successfully renamed; false otherwise.

See Also:

URLFileSystemHelperDecorator.rename(URL,URL)

canCreateImpl

protected boolean canCreateImpl(java.net.URL url)

Can the given URL be created in the version system. Override this method to to enable url to be created.

Parameters:

url - the URL location to be created.

Returns:

true if and only if the file or directory can be created; false otherwise.

See Also:

URLFileSystemHelper.canCreate(java.net.URL)

canDeleteImpl

protected boolean canDeleteImpl(java.net.URL url)

Can the given URL be deleted in the version system. Override this method to to enable url to be deleted.

Parameters:

url - the URL location to be deleted.

Returns:

true if and only if the file or directory can be deleted; false otherwise.

See Also:

URLFileSystemHelper.canDelete(java.net.URL)

isValidImpl

protected boolean isValidImpl(java.net.URL url)

Is the given URL be valid for the version system. Override this method to to enable url to be created.

Parameters:

url - the URL location to be created.

Returns:

true if and only if the url is valid; false otherwise.

See Also:

URLFileSystemHelper.canCreate(java.net.URL)

setReadWrite

protected boolean setReadWrite(java.net.URL url)

Sets the given URL read-write through the version system. Override this method to perform a file checkout.

Parameters:

url - the URL to be made read-write.

Returns:

true if and only if the file or directory is successfully made read-write; false otherwise.

See Also:

URLFileSystemHelper.setReadOnly(java.net.URL, boolean)

isOperable

protected boolean isOperable(java.net.URL url)

isAutoCheckoutsSet

protected boolean isAutoCheckoutsSet(java.net.URL url)

Asks whether the VCS preference for automatic checkouts is currently set.

Returns:

true if the auto-checkouts are enabled by preferences.

invokeAndPushEventQueue

protected void invokeAndPushEventQueue(java.lang.Runnable r)

Invokes the given runnable, creating a temporary event queue to process paint events if necessary. This helps avoid a GUI freeze if the calling thread is the AWT event dispatcher and the task is long-running. Warning: this technique causes subsequent EventQueue.isDispatchThread() calls during the current event dispatch to be unreliable. If assertions based on isDispatchThread() are likely to follow before the next AWT event can be processed, please avoid this method.

Parameters:

r - the runnable task.

deleteRecursively

public final void deleteRecursively(java.net.URL url,
                                    URLFilter filter,
                                    boolean tolerant)
                             throws java.io.IOException,
                                    java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException