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package org.eclipse.team.ccvs.core;
/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved.
*/
import java.io.InputStream;
import java.io.OutputStream;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.team.ccvs.core.*;
import org.eclipse.team.internal.ccvs.core.CVSException;
/**
* The CVS analog of a file. CVS files have access to synchronization information
* that describes their association with the CVS repository. CVS files also provide
* mechanisms for sending and receiving content.
*
* @see ICVSResource
*/
public interface ICVSFile extends ICVSResource {
// Constants used to indicate the type of updated response from the server
public static final int UPDATED = 1;
public static final int MERGED = 2;
public static final int UPDATE_EXISTING = 3;
public static final int CREATED = 4;
public static final long NULL_TIMESTAMP = 0;
/**
* Answers the size of the file.
*/
long getSize();
/**
* Gets an input stream for reading from the file.
* It is the responsibility of the caller to close the stream when finished.
*/
InputStream getInputStream() throws CVSException;
/**
* Set the contents of the file to the contents of the provided input stream
*
* @param responseType the type of reponse that was received from the server
*
* UPDATED - could be a new file or an existing file
* MERGED - merging remote changes with local changes. Failure could result in loss of local changes
* CREATED - contents for a file that doesn't exist locally
* UPDATE_EXISTING - Replacing a local file with no local changes with remote changes.
*/
public void setContents(InputStream stream, int responseType, boolean keepLocalHistory, IProgressMonitor monitor) throws CVSException;
/**
* Sets the file's read-only permission.
*/
void setReadOnly(boolean readOnly) throws CVSException;
/**
* Answers if the file is read-only.
*/
boolean isReadOnly() throws CVSException;
/**
* Move the resource to another location. Does overwrite without
* promting.
*/
void copyTo(String filename) throws CVSException;
/**
* Answers the current timestamp for this file. The returned format must be in the
* following format:
*
* E MMM dd HH:mm:ss yyyy
*
* @throws CVSFileNotFoundException if exists() = false
*/
long getTimeStamp();
/**
* Sets the current timestamp for this file. The supplied date must be in the
* following format:
*
* E MMM dd HH:mm:ss yyyy
*
* If the date is <code>null</code> then the current time is used as
* the timestamp.
*/
void setTimeStamp(long date) throws CVSException;
/**
* Answers <code>true</code> if the file differs from its base. If the file has no
* base, it is not dirty
*/
boolean isDirty() throws CVSException;
/**
* Answers <code>true</code> if the file has changed since it was last updated
* from the repository, if the file does not exist, or is not managed. And <code>false</code>
* if it has not changed.
*/
boolean isModified() throws CVSException;
}
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