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/*******************************************************************************
* Copyright (c) 2002 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v0.5
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v05.html
*
* Contributors:
* IBM - Initial API and implementation
******************************************************************************/
package org.eclipse.team.internal.ccvs.core.resources;
import java.io.File;
import java.io.InputStream;
import java.util.Date;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.internal.ccvs.core.CVSException;
import org.eclipse.team.internal.ccvs.core.ICVSFile;
import org.eclipse.team.internal.ccvs.core.ICVSFolder;
import org.eclipse.team.internal.ccvs.core.ICVSRemoteFile;
import org.eclipse.team.internal.ccvs.core.ICVSRemoteResource;
import org.eclipse.team.internal.ccvs.core.ICVSResourceVisitor;
import org.eclipse.team.internal.ccvs.core.ILogEntry;
import org.eclipse.team.internal.ccvs.core.Policy;
import org.eclipse.team.internal.ccvs.core.syncinfo.ResourceSyncInfo;
/**
* Represents handles to CVS resource on the local file system. Synchronization
* information is taken from the CVS subdirectories.
*/
public class EclipseFile extends EclipseResource implements ICVSFile {
private static final String TEMP_FILE_EXTENSION = ".tmp";//$NON-NLS-1$
private static final IPath PROJECT_META_DATA_PATH = new Path(".project");//$NON-NLS-1$
/**
* Create a handle based on the given local resource.
*/
protected EclipseFile(IFile file) {
super(file);
}
/*
* @see ICVSResource#delete()
*/
public void delete() throws CVSException {
try {
((IFile)resource).delete(false /*force*/, true /*keepHistory*/, null);
} catch(CoreException e) {
throw CVSException.wrapException(resource, Policy.bind("EclipseFile_Problem_deleting_resource", resource.getFullPath().toString(), e.getStatus().getMessage()), e); //$NON-NLS-1$ //$NON-NLS-2$
}
}
public long getSize() {
return getIOFile().length();
}
public InputStream getContents() throws CVSException {
try {
return getIFile().getContents();
} catch (CoreException e) {
throw CVSException.wrapException(resource, Policy.bind("EclipseFile_Problem_accessing_resource", resource.getFullPath().toString(), e.getStatus().getMessage()), e); //$NON-NLS-1$ //$NON-NLS-2$
}
}
/*
* @see ICVSFile#getTimeStamp()
*/
public Date getTimeStamp() {
return new Date((getIOFile().lastModified()/1000)*1000);
}
/*
* @see ICVSFile#setTimeStamp(String)
*/
public void setTimeStamp(Date date) throws CVSException {
long time;
if (date == null) {
time = System.currentTimeMillis();
} else {
time = date.getTime();
}
getIOFile().setLastModified(time);
try {
// Needed for workaround to Platform Core Bug #
resource.refreshLocal(IResource.DEPTH_ZERO, null);
} catch (CoreException e) {
throw CVSException.wrapException(e);
}
}
/*
* @see ICVSResource#isFolder()
*/
public boolean isFolder() {
return false;
}
/*
* @see ICVSFile#isModified()
*/
public boolean isModified() throws CVSException {
if (!exists() || !isManaged()) {
return true;
} else {
ResourceSyncInfo info = getSyncInfo();
// consider a merged file as always modified.
if(info.isMerged()) return true;
return !getTimeStamp().equals(info.getTimeStamp());
}
}
/*
* @see ICVSResource#accept(ICVSResourceVisitor)
*/
public void accept(ICVSResourceVisitor visitor) throws CVSException {
visitor.visitFile(this);
}
/*
* This is to be used by the Copy handler. The filename of the form .#filename
*/
public void copyTo(String filename) throws CVSException {
try {
getIFile().copy(new Path(filename), true /*force*/, null);
} catch(CoreException e) {
throw new CVSException(e.getStatus());
}
}
/*
* @see ICVSResource#getRemoteLocation()
*/
public String getRemoteLocation(ICVSFolder stopSearching) throws CVSException {
return getParent().getRemoteLocation(stopSearching) + SEPARATOR + getName();
}
/*
* @see ICVSFile#setReadOnly()
*/
public void setContents(InputStream stream, int responseType, boolean keepLocalHistory, IProgressMonitor monitor) throws CVSException {
try {
IFile file = getIFile();
if (PROJECT_META_DATA_PATH.equals(file.getFullPath().removeFirstSegments(1))) {
responseType = UPDATED;
}
switch (responseType) {
case UPDATED:
if (resource.exists()) {
file.setContents(stream, true /*force*/, true /*keep history*/, monitor);
break;
}
case CREATED: // creating a new file so it should not exist locally
file.create(stream, false /*force*/, monitor);
break;
case MERGED: // merging contents into a file that exists locally
// Ensure we don't leave the file in a partially written state
IFile tempFile = file.getParent().getFile(new Path(file.getName() + TEMP_FILE_EXTENSION));
tempFile.create(stream, true /*force*/, monitor);
file.delete(false, true, monitor);
tempFile.move(new Path(file.getName()), true /*force*/, false /*history*/, monitor);
break;
case UPDATE_EXISTING: // creating a new file so it should exist locally
file.setContents(stream, true /*force*/, true /*keep history*/, monitor);
break;
}
} catch(CoreException e) {
throw CVSException.wrapException(resource, Policy.bind("EclipseFile_Problem_writing_resource", e.getMessage(), e.getStatus().getMessage()), e); //$NON-NLS-1$
}
}
/*
* @see ICVSFile#setReadOnly()
*/
public void setReadOnly(boolean readOnly) throws CVSException {
getIFile().setReadOnly(readOnly);
}
/*
* @see ICVSFile#isReadOnly()
*/
public boolean isReadOnly() throws CVSException {
return getIFile().isReadOnly();
}
/*
* Typecasting helper
*/
public IFile getIFile() {
return (IFile)resource;
}
/*
* To allow accessing size and timestamp for the underlying java.io.File
*/
private File getIOFile() {
IPath location = resource.getLocation();
if(location!=null) {
return location.toFile();
}
return null;
}
/**
* @see ICVSFile#getLogEntries(IProgressMonitor)
*/
public ILogEntry[] getLogEntries(IProgressMonitor monitor) throws TeamException {
if(isManaged() && !getSyncInfo().isAdded()) {
ICVSRemoteResource remoteFile = CVSWorkspaceRoot.getRemoteResourceFor(resource);
return ((ICVSRemoteFile)remoteFile).getLogEntries(monitor);
}
return new ILogEntry[0];
}
}
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