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package org.eclipse.team.internal.ccvs.core.resources;
/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved.
*/
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.text.ParseException;
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.NullProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.team.ccvs.core.CVSProviderPlugin;
import org.eclipse.team.ccvs.core.ICVSFile;
import org.eclipse.team.ccvs.core.ICVSFolder;
import org.eclipse.team.ccvs.core.ICVSResourceVisitor;
import org.eclipse.team.internal.ccvs.core.CVSException;
import org.eclipse.team.internal.ccvs.core.Policy;
import org.eclipse.team.internal.ccvs.core.syncinfo.ResourceSyncInfo;
import org.eclipse.team.internal.ccvs.core.util.EntryFileDateFormat;
/**
* Represents handles to CVS resource on the local file system. Synchronization
* information is taken from the CVS subdirectories.
*/
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 getInputStream() 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#getAppendingOutputStream()
*/
public OutputStream getAppendingOutputStream() throws CVSException {
return new ByteArrayOutputStream() {
public void close() throws IOException {
try {
IFile file = getIFile();
if(resource.exists()) {
file.appendContents(new ByteArrayInputStream(toByteArray()), false /*force*/, true /*keep history*/, null);
} else {
file.create(new ByteArrayInputStream(toByteArray()), false /*force*/, null);
}
} catch(CoreException e) {
throw new IOException(Policy.bind("EclipseFile_Problem_appending_to_resource", e.getMessage(), e.getStatus().getMessage())); //$NON-NLS-1$ //$NON-NLS-2$
} finally {
super.close();
}
}
};
}
/*
* @see ICVSFile#getTimeStamp()
*/
public String getTimeStamp() {
EntryFileDateFormat timestamp = new EntryFileDateFormat();
return timestamp.format(new Date(getIOFile().lastModified()));
}
/*
* @see ICVSFile#setTimeStamp(String)
*/
public void setTimeStamp(String date) throws CVSException {
long millSec;
if (date==null) {
// get the current time
millSec = new Date().getTime();
} else {
try {
EntryFileDateFormat timestamp = new EntryFileDateFormat();
millSec = timestamp.toDate(date).getTime();
} catch (ParseException e) {
throw new CVSException(Policy.bind("LocalFile.invalidDateFormat", date), e); //$NON-NLS-1$
}
}
getIOFile().setLastModified(millSec);
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#isDirty()
*/
public boolean isDirty() throws CVSException {
if (!exists() || !isManaged()) {
return true;
} else {
ResourceSyncInfo info = getSyncInfo();
if (info.isAdded()) return false;
if (info.isDeleted()) return true;
return !getTimeStamp().equals(info.getTimeStamp());
}
}
/*
* @see ICVSFile#isModified()
*/
public boolean isModified() throws CVSException {
if (!exists() || !isManaged()) {
return true;
} else {
ResourceSyncInfo info = getSyncInfo();
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 (responseType == CREATED || (responseType == UPDATED && ! resource.exists())) {
try {
file.create(stream, false /*force*/, null);
} catch (CoreException e) {
if (resource.exists()) {
if (PROJECT_META_DATA_PATH.equals(file.getFullPath().removeFirstSegments(1))) {
// Special handling for the .project meta-file
file.setContents(stream, true /*force*/, true /*keep history*/, monitor);
return;
}
}
throw new CVSException(Policy.bind("EclipseFile_Problem_creating_resource", e.getMessage(), e.getStatus().getMessage())); //$NON-NLS-1$
}
} else if(responseType == UPDATE_EXISTING) {
file.setContents(stream, false /*force*/, keepLocalHistory /*keep history*/, monitor);
} else {
file.setContents(stream, false /*force*/, keepLocalHistory /*keep history*/, monitor);
// // 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(new ByteArrayInputStream(toByteArray()), true /*force*/, null);
// file.delete(false, true, null);
// tempFile.move(new Path(file.getName()), true, true, null);
}
} catch(CoreException e) {
throw new CVSException(Policy.bind("EclipseFile_Problem_writing_resource", e.getMessage(), e.getStatus().getMessage())); //$NON-NLS-1$
}
}
/*
* @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
*/
private 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;
}
}
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