| /******************************************************************************* |
| * Copyright (c) 2000, 2010 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Serge Beauchamp (Freescale Semiconductor) - [229633] Group Support |
| *******************************************************************************/ |
| package org.eclipse.core.resources; |
| |
| import java.net.URI; |
| import org.eclipse.core.runtime.*; |
| |
| /** |
| * Folders may be leaf or non-leaf resources and may contain files and/or other folders. |
| * A folder resource is stored as a directory in the local file system. |
| * <p> |
| * Folders, like other resource types, may exist in the workspace but |
| * not be local; non-local folder resources serve as place-holders for |
| * folders whose properties have not yet been fetched from a repository. |
| * </p> |
| * <p> |
| * Folders implement the <code>IAdaptable</code> interface; |
| * extensions are managed by the platform's adapter manager. |
| * </p> |
| * |
| * @see Platform#getAdapterManager() |
| * @noimplement This interface is not intended to be implemented by clients. |
| * @noextend This interface is not intended to be extended by clients. |
| */ |
| public interface IFolder extends IContainer, IAdaptable { |
| |
| /** |
| * Creates a new folder resource as a member of this handle's parent resource. |
| * <p> |
| * This is a convenience method, fully equivalent to: |
| * </p> |
| * <pre> |
| * create((force ? FORCE : IResource.NONE), local, monitor); |
| * </pre> |
| * <p> |
| * This method changes resources; these changes will be reported |
| * in a subsequent resource change event, including an indication |
| * that the folder has been added to its parent. |
| * </p> |
| * <p> |
| * This method is long-running; progress and cancellation are provided |
| * by the given progress monitor. |
| * </p> |
| * |
| * @param force a flag controlling how to deal with resources that |
| * are not in sync with the local file system |
| * @param local a flag controlling whether or not the folder will be local |
| * after the creation |
| * @param monitor a progress monitor, or <code>null</code> if progress |
| * reporting is not desired |
| * @exception CoreException if this method fails. Reasons include: |
| * <ul> |
| * <li> This resource already exists in the workspace.</li> |
| * <li> The workspace contains a resource of a different type |
| * at the same path as this resource.</li> |
| * <li> The parent of this resource does not exist.</li> |
| * <li> The parent of this resource is a project that is not open.</li> |
| * <li> The parent contains a resource of a different type |
| * at the same path as this resource.</li> |
| * <li> The parent of this resource is virtual, but this resource is not.</li> |
| * <li> The name of this resource is not valid (according to |
| * <code>IWorkspace.validateName</code>).</li> |
| * <li> The corresponding location in the local file system is occupied |
| * by a file (as opposed to a directory).</li> |
| * <li> The corresponding location in the local file system is occupied |
| * by a folder and <code>force </code> is <code>false</code>.</li> |
| * <li> Resource changes are disallowed during certain types of resource change |
| * event notification. See <code>IResourceChangeEvent</code> for more details.</li> |
| * </ul> |
| * @exception OperationCanceledException if the operation is canceled. |
| * Cancelation can occur even if no progress monitor is provided. |
| * @see IFolder#create(int,boolean,IProgressMonitor) |
| */ |
| void create(boolean force, boolean local, IProgressMonitor monitor) throws CoreException; |
| |
| /** |
| * Creates a new folder resource as a member of this handle's parent resource. |
| * <p> |
| * The <code>FORCE</code> update flag controls how this method deals with |
| * cases where the workspace is not completely in sync with the local file |
| * system. If <code>FORCE</code> is not specified, the method will only attempt |
| * to create a directory in the local file system if there isn't one already. |
| * This option ensures there is no unintended data loss; it is the recommended |
| * setting. However, if <code>FORCE</code> is specified, this method will |
| * be deemed a success even if there already is a corresponding directory. |
| * </p> |
| * <p> |
| * The {@link IResource#DERIVED} update flag indicates that this resource |
| * should immediately be set as a derived resource. Specifying this flag |
| * is equivalent to atomically calling {@link IResource#setDerived(boolean)} |
| * with a value of <code>true</code> immediately after creating the resource. |
| * </p> |
| * <p> |
| * The {@link IResource#TEAM_PRIVATE} update flag indicates that this resource |
| * should immediately be set as a team private resource. Specifying this flag |
| * is equivalent to atomically calling {@link IResource#setTeamPrivateMember(boolean)} |
| * with a value of <code>true</code> immediately after creating the resource. |
| * </p> |
| * <p> |
| * The {@link IResource#HIDDEN} update flag indicates that this resource |
| * should immediately be set as a hidden resource. Specifying this flag |
| * is equivalent to atomically calling {@link IResource#setHidden(boolean)} |
| * with a value of <code>true</code> immediately after creating the resource. |
| * </p> |
| * <p> |
| * Update flags other than those listed above are ignored. |
| * </p> |
| * <p> |
| * This method synchronizes this resource with the local file system. |
| * </p> |
| * <p> |
| * This method changes resources; these changes will be reported |
| * in a subsequent resource change event, including an indication |
| * that the folder has been added to its parent. |
| * </p> |
| * <p> |
| * This method is long-running; progress and cancellation are provided |
| * by the given progress monitor. |
| * </p> |
| * |
| * @param updateFlags bit-wise or of update flag constants |
| * ({@link IResource#FORCE}, {@link IResource#DERIVED}, {@link IResource#TEAM_PRIVATE}) |
| * and {@link IResource#VIRTUAL}) |
| * @param local a flag controlling whether or not the folder will be local |
| * after the creation |
| * @param monitor a progress monitor, or <code>null</code> if progress |
| * reporting is not desired |
| * @exception CoreException if this method fails. Reasons include: |
| * <ul> |
| * <li> This resource already exists in the workspace.</li> |
| * <li> The workspace contains a resource of a different type |
| * at the same path as this resource.</li> |
| * <li> The parent of this resource does not exist.</li> |
| * <li> The parent of this resource is a project that is not open.</li> |
| * <li> The parent contains a resource of a different type |
| * at the same path as this resource.</li> |
| * <li> The parent of this resource is virtual, but this resource is not.</li> |
| * <li> The name of this resource is not valid (according to |
| * <code>IWorkspace.validateName</code>).</li> |
| * <li> The corresponding location in the local file system is occupied |
| * by a file (as opposed to a directory).</li> |
| * <li> The corresponding location in the local file system is occupied |
| * by a folder and <code>FORCE</code> is not specified.</li> |
| * <li> Resource changes are disallowed during certain types of resource change |
| * event notification. See <code>IResourceChangeEvent</code> for more details.</li> |
| * </ul> |
| * @exception OperationCanceledException if the operation is canceled. |
| * Cancelation can occur even if no progress monitor is provided. |
| * @see IResourceRuleFactory#createRule(IResource) |
| * @since 2.0 |
| */ |
| void create(int updateFlags, boolean local, IProgressMonitor monitor) throws CoreException; |
| |
| /** |
| * Creates a new folder resource as a member of this handle's parent resource. |
| * The folder's contents will be located in the directory specified by the given |
| * file system path. The given path must be either an absolute file system |
| * path, or a relative path whose first segment is the name of a workspace path |
| * variable. |
| * <p> |
| * The <code>ALLOW_MISSING_LOCAL</code> update flag controls how this |
| * method deals with cases where the local file system directory to be linked does |
| * not exist, or is relative to a workspace path variable that is not defined. |
| * If <code>ALLOW_MISSING_LOCAL</code> is specified, the operation will succeed |
| * even if the local directory is missing, or the path is relative to an |
| * undefined variable. If <code>ALLOW_MISSING_LOCAL</code> is not specified, the |
| * operation will fail in the case where the local file system directory does |
| * not exist or the path is relative to an undefined variable. |
| * </p> |
| * <p> |
| * The {@link IResource#REPLACE} update flag controls how this |
| * method deals with cases where a resource of the same name as the |
| * prospective link already exists. If {@link IResource#REPLACE} |
| * is specified, then the existing linked resource's location is replaced |
| * by localLocation's value. This does <b>not</b> |
| * cause the underlying file system contents of that resource to be deleted. |
| * If {@link IResource#REPLACE} is not specified, this method will |
| * fail if an existing resource exists of the same name. |
| * </p> |
| * <p> |
| * The {@link IResource#BACKGROUND_REFRESH} update flag controls how |
| * this method synchronizes the new resource with the filesystem. If this flag is |
| * specified, resources on disk will be synchronized in the background after the |
| * method returns. Child resources of the link may not be available until |
| * this background refresh completes. If this flag is not specified, resources are |
| * synchronized in the foreground before this method returns. |
| * </p> |
| * <p> |
| * The {@link IResource#HIDDEN} update flag indicates that this resource |
| * should immediately be set as a hidden resource. Specifying this flag |
| * is equivalent to atomically calling {@link IResource#setHidden(boolean)} |
| * with a value of <code>true</code> immediately after creating the resource. |
| * </p> |
| * <p> |
| * Update flags other than those listed above are ignored. |
| * </p> |
| * <p> |
| * This method changes resources; these changes will be reported |
| * in a subsequent resource change event, including an indication |
| * that the folder has been added to its parent. |
| * </p> |
| * <p> |
| * This method is long-running; progress and cancellation are provided |
| * by the given progress monitor. |
| * </p> |
| * |
| * @param localLocation a file system path where the folder should be linked |
| * @param updateFlags bit-wise or of update flag constants |
| * ({@link IResource#ALLOW_MISSING_LOCAL}, {@link IResource#REPLACE}, {@link IResource#BACKGROUND_REFRESH}, and {@link IResource#HIDDEN}) |
| * @param monitor a progress monitor, or <code>null</code> if progress |
| * reporting is not desired |
| * @exception CoreException if this method fails. Reasons include: |
| * <ul> |
| * <li> This resource already exists in the workspace.</li> |
| * <li> The workspace contains a resource of a different type |
| * at the same path as this resource.</li> |
| * <li> The parent of this resource does not exist.</li> |
| * <li> The parent of this resource is not an open project</li> |
| * <li> The name of this resource is not valid (according to |
| * <code>IWorkspace.validateName</code>).</li> |
| * <li> The corresponding location in the local file system does not exist, or |
| * is relative to an undefined variable, and <code>ALLOW_MISSING_LOCAL</code> is |
| * not specified.</li> |
| * <li> The corresponding location in the local file system is occupied |
| * by a file (as opposed to a directory).</li> |
| * <li> Resource changes are disallowed during certain types of resource change |
| * event notification. See <code>IResourceChangeEvent</code> for more details.</li> |
| * <li>The team provider for the project which contains this folder does not permit |
| * linked resources.</li> |
| * <li>This folder's project contains a nature which does not permit linked resources.</li> |
| * </ul> |
| * @exception OperationCanceledException if the operation is canceled. |
| * Cancelation can occur even if no progress monitor is provided. |
| * @see IResource#isLinked() |
| * @see IResource#ALLOW_MISSING_LOCAL |
| * @see IResource#REPLACE |
| * @see IResource#BACKGROUND_REFRESH |
| * @see IResource#HIDDEN |
| * @since 2.1 |
| */ |
| void createLink(IPath localLocation, int updateFlags, IProgressMonitor monitor) throws CoreException; |
| |
| /** |
| * Creates a new folder resource as a member of this handle's parent resource. |
| * The folder's contents will be located in the directory specified by the given |
| * file system URI. The given URI must be either absolute, or a relative URI |
| * whose first path segment is the name of a workspace path variable. |
| * <p> |
| * The <code>ALLOW_MISSING_LOCAL</code> update flag controls how this |
| * method deals with cases where the local file system directory to be linked does |
| * not exist, or is relative to a workspace path variable that is not defined. |
| * If <code>ALLOW_MISSING_LOCAL</code> is specified, the operation will succeed |
| * even if the local directory is missing, or the path is relative to an |
| * undefined variable. If <code>ALLOW_MISSING_LOCAL</code> is not specified, the |
| * operation will fail in the case where the local file system directory does |
| * not exist or the path is relative to an undefined variable. |
| * </p> |
| * <p> |
| * The {@link IResource#REPLACE} update flag controls how this |
| * method deals with cases where a resource of the same name as the |
| * prospective link already exists. If {@link IResource#REPLACE} |
| * is specified, then any existing resource with the same name is removed |
| * from the workspace to make way for creation of the link. This does <b>not</b> |
| * cause the underlying file system contents of that resource to be deleted. |
| * If {@link IResource#REPLACE} is not specified, this method will |
| * fail if an existing resource exists of the same name. |
| * </p> |
| * <p> |
| * The {@link IResource#BACKGROUND_REFRESH} update flag controls how |
| * this method synchronizes the new resource with the filesystem. If this flag is |
| * specified, resources on disk will be synchronized in the background after the |
| * method returns. Child resources of the link may not be available until |
| * this background refresh completes. If this flag is not specified, resources are |
| * synchronized in the foreground before this method returns. |
| * </p> |
| * <p> |
| * The {@link IResource#HIDDEN} update flag indicates that this resource |
| * should immediately be set as a hidden resource. Specifying this flag |
| * is equivalent to atomically calling {@link IResource#setHidden(boolean)} |
| * with a value of <code>true</code> immediately after creating the resource. |
| * </p> |
| * <p> |
| * Update flags other than those listed above are ignored. |
| * </p> |
| * <p> |
| * This method changes resources; these changes will be reported |
| * in a subsequent resource change event, including an indication |
| * that the folder has been added to its parent. |
| * </p> |
| * <p> |
| * This method is long-running; progress and cancellation are provided |
| * by the given progress monitor. |
| * </p> |
| * |
| * @param location a file system path where the folder should be linked |
| * @param updateFlags bit-wise or of update flag constants |
| * ({@link IResource#ALLOW_MISSING_LOCAL}, {@link IResource#REPLACE}, {@link IResource#BACKGROUND_REFRESH}, and {@link IResource#HIDDEN}) |
| * @param monitor a progress monitor, or <code>null</code> if progress |
| * reporting is not desired |
| * @exception CoreException if this method fails. Reasons include: |
| * <ul> |
| * <li> This resource already exists in the workspace.</li> |
| * <li> The workspace contains a resource of a different type |
| * at the same path as this resource.</li> |
| * <li> The parent of this resource does not exist.</li> |
| * <li> The parent of this resource is not an open project</li> |
| * <li> The name of this resource is not valid (according to |
| * <code>IWorkspace.validateName</code>).</li> |
| * <li> The corresponding location in the local file system does not exist, or |
| * is relative to an undefined variable, and <code>ALLOW_MISSING_LOCAL</code> is |
| * not specified.</li> |
| * <li> The corresponding location in the local file system is occupied |
| * by a file (as opposed to a directory).</li> |
| * <li> Resource changes are disallowed during certain types of resource change |
| * event notification. See <code>IResourceChangeEvent</code> for more details.</li> |
| * <li>The team provider for the project which contains this folder does not permit |
| * linked resources.</li> |
| * <li>This folder's project contains a nature which does not permit linked resources.</li> |
| * </ul> |
| * @exception OperationCanceledException if the operation is canceled. |
| * Cancelation can occur even if no progress monitor is provided. |
| * @see IResource#isLinked() |
| * @see IResource#ALLOW_MISSING_LOCAL |
| * @see IResource#REPLACE |
| * @see IResource#BACKGROUND_REFRESH |
| * @see IResource#HIDDEN |
| * @since 3.2 |
| */ |
| void createLink(URI location, int updateFlags, IProgressMonitor monitor) throws CoreException; |
| |
| /** |
| * Deletes this resource from the workspace. |
| * <p> |
| * This is a convenience method, fully equivalent to: |
| * </p> |
| * <pre> |
| * delete((keepHistory ? KEEP_HISTORY : IResource.NONE) | (force ? FORCE : IResource.NONE), monitor); |
| * </pre> |
| * <p> |
| * This method changes resources; these changes will be reported |
| * in a subsequent resource change event, including an indication |
| * that this folder has been removed from its parent. |
| * </p> |
| * <p> |
| * This method is long-running; progress and cancellation are provided |
| * by the given progress monitor. |
| * </p> |
| * |
| * @param force a flag controlling whether resources that are not |
| * in sync with the local file system will be tolerated |
| * @param keepHistory a flag controlling whether files under this folder |
| * should be stored in the workspace's local history |
| * @param monitor a progress monitor, or <code>null</code> if progress |
| * reporting is not desired |
| * @exception CoreException if this method fails. Reasons include: |
| * <ul> |
| * <li> This resource could not be deleted for some reason.</li> |
| * <li> This resource is out of sync with the local file system |
| * and <code>force</code> is <code>false</code>.</li> |
| * <li> Resource changes are disallowed during certain types of resource change |
| * event notification. See <code>IResourceChangeEvent</code> for more details.</li> |
| * </ul> |
| * @exception OperationCanceledException if the operation is canceled. |
| * Cancelation can occur even if no progress monitor is provided. |
| * |
| * @see IResourceRuleFactory#deleteRule(IResource) |
| * @see IResource#delete(int,IProgressMonitor) |
| */ |
| void delete(boolean force, boolean keepHistory, IProgressMonitor monitor) throws CoreException; |
| |
| /** |
| * Returns a handle to the file with the given name in this folder. |
| * <p> |
| * This is a resource handle operation; neither the resource nor |
| * the result need exist in the workspace. |
| * The validation check on the resource name/path is not done |
| * when the resource handle is constructed; rather, it is done |
| * automatically as the resource is created. |
| * </p> |
| * |
| * @param name the string name of the member file |
| * @return the (handle of the) member file |
| * @see #getFolder(String) |
| */ |
| IFile getFile(String name); |
| |
| /** |
| * Returns a handle to the folder with the given name in this folder. |
| * <p> |
| * This is a resource handle operation; neither the container |
| * nor the result need exist in the workspace. |
| * The validation check on the resource name/path is not done |
| * when the resource handle is constructed; rather, it is done |
| * automatically as the resource is created. |
| * </p> |
| * |
| * @param name the string name of the member folder |
| * @return the (handle of the) member folder |
| * @see #getFile(String) |
| */ |
| IFolder getFolder(String name); |
| |
| /** |
| * Moves this resource so that it is located at the given path. |
| * <p> |
| * This is a convenience method, fully equivalent to: |
| * </p> |
| * <pre> |
| * move(destination, (keepHistory ? KEEP_HISTORY : IResource.NONE) | (force ? FORCE : IResource.NONE), monitor); |
| * </pre> |
| * <p> |
| * This method changes resources; these changes will be reported |
| * in a subsequent resource change event, including an indication |
| * that this folder has been removed from its parent and a new folder |
| * has been added to the parent of the destination. |
| * </p> |
| * <p> |
| * This method is long-running; progress and cancellation are provided |
| * by the given progress monitor. |
| * </p> |
| * |
| * @param destination the destination path |
| * @param force a flag controlling whether resources that are not |
| * in sync with the local file system will be tolerated |
| * @param keepHistory a flag controlling whether files under this folder |
| * should be stored in the workspace's local history |
| * @param monitor a progress monitor, or <code>null</code> if progress |
| * reporting is not desired |
| * @exception CoreException if this resource could not be moved. Reasons include: |
| * <ul> |
| * <li> This resource does not exist.</li> |
| * <li> This resource or one of its descendents is not local.</li> |
| * <li> The resource corresponding to the parent destination path does not exist.</li> |
| * <li> The resource corresponding to the parent destination path is a closed |
| * project.</li> |
| * <li> A resource at destination path does exist.</li> |
| * <li> A resource of a different type exists at the destination path.</li> |
| * <li> This resource or one of its descendents is out of sync with the local file system |
| * and <code>force</code> is <code>false</code>.</li> |
| * <li> The workspace and the local file system are out of sync |
| * at the destination resource or one of its descendents.</li> |
| * <li> Resource changes are disallowed during certain types of resource change |
| * event notification. See <code>IResourceChangeEvent</code> for more details.</li> |
| * </ul> |
| * @exception OperationCanceledException if the operation is canceled. |
| * Cancelation can occur even if no progress monitor is provided. |
| * |
| * @see IResourceRuleFactory#moveRule(IResource, IResource) |
| * @see IResource#move(IPath,int,IProgressMonitor) |
| */ |
| void move(IPath destination, boolean force, boolean keepHistory, IProgressMonitor monitor) throws CoreException; |
| } |