| package org.eclipse.team.internal.ccvs.core.client; |
| |
| /* |
| * (c) Copyright IBM Corp. 2000, 2002. |
| * All Rights Reserved. |
| */ |
| |
| import org.eclipse.core.resources.IResourceStatus; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.team.internal.ccvs.core.CVSException; |
| import org.eclipse.team.internal.ccvs.core.ICVSFolder; |
| import org.eclipse.team.internal.ccvs.core.syncinfo.FolderSyncInfo; |
| import org.eclipse.team.internal.ccvs.core.util.Util; |
| |
| /** |
| * Handles server responses that arise as a result of issuing a request |
| * (usually a command) to a CVS server. The processing of each such |
| * response is deferred to subclasses. |
| */ |
| public abstract class ResponseHandler { |
| /** |
| * Returns the text string of the server response handled by this object. |
| * @return the id |
| */ |
| public abstract String getResponseID(); |
| |
| /** |
| * Handles a server response. |
| * <p> |
| * Suppose as a result of performing a command the CVS server responds |
| * as follows:<br> |
| * <pre> |
| * [...] |
| * Clear-sticky myDirectory \n |
| * /u/cvsroot/myDirectory \n |
| * [...] |
| * </pre> |
| * Then the <code>handle</code> method of the <code>ResponseHandler</code> |
| * for <em>Clear-sticky</em> will be invoked with <code>argument</code> |
| * set to <em>"myDirectory"</em>. It must then read the remaining |
| * response data from the connection (<em>"/u/cvsroot/myDirectory"</em> |
| * including the newline) and take any necessary action. |
| * </p><p> |
| * Note: The type and quantity of additional data that must be read |
| * from the connection varies on a per-response basis. |
| * </p> |
| * @param session the Session used for CVS communication |
| * @param argument the argument supplied with the response |
| * @param monitor the progress monitor for the current CVS command |
| */ |
| public abstract void handle(Session session, String argument, |
| IProgressMonitor monitor) throws CVSException; |
| |
| /** |
| * Creates a new CVS folder. |
| * @param localDir the local path of the folder relative to root |
| * @param repositoryDir the remote path of the folder relative to the repository |
| * @return the new folder |
| */ |
| protected static ICVSFolder createFolder(Session session, |
| String localDir, String repositoryDir) throws CVSException { |
| ICVSFolder folder = session.getLocalRoot().getFolder(localDir); |
| if (! folder.exists()) { |
| try { |
| folder.mkdir(); |
| } catch (CVSException original) { |
| boolean caseInvariant = false; |
| if (original.getStatus().getCode() == IResourceStatus.CASE_VARIANT_EXISTS) { |
| // We will try to create the mapped child below. |
| caseInvariant = true; |
| } else if (original.getStatus().getCode() == IResourceStatus.RESOURCE_NOT_FOUND) { |
| // The parent of the folder doesn't exist. It could be due to case invariance. |
| // Check if there is a case invariant mapping for the folder |
| String actualLocalDir = session.getUniquePathForCaseSensitivePath(localDir, false); |
| folder = session.getLocalRoot().getFolder(actualLocalDir); |
| try { |
| if (! folder.exists()) folder.mkdir(); |
| // We succeed in creating the child of a mapped parent |
| // Since caseInvariant is false, we will fall through |
| } catch (CVSException ex) { |
| if (ex.getStatus().getCode() == IResourceStatus.CASE_VARIANT_EXISTS) { |
| // We will try to create he mapped child below. |
| caseInvariant = true; |
| } else { |
| // The atempt to get the mapped parent failed. |
| // Throw the original exception |
| throw original; |
| } |
| } |
| } else { |
| throw original; |
| } |
| if (caseInvariant) { |
| // Change the name (last segment) of the localDir to a unique name for the case invariant one |
| String newlocalDir = session.getUniquePathForCaseSensitivePath(localDir, true); |
| folder = session.getLocalRoot().getFolder(newlocalDir); |
| if (! folder.exists()) folder.mkdir(); |
| // Signal to the session that there is a renamed folder. |
| session.addCaseCollision(localDir, newlocalDir); |
| } |
| } |
| } |
| if (! folder.isCVSFolder()) { |
| folder.setFolderSyncInfo(new FolderSyncInfo( |
| Util.getRelativePath(session.getRepositoryRoot(), repositoryDir), |
| session.getCVSRepositoryLocation().getLocation(), |
| null, false)); |
| } |
| return folder; |
| } |
| } |
| |