package org.tmatesoft.svn.core.internal.io.svn;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.tmatesoft.svn.core.SVNErrorCode;
import org.tmatesoft.svn.core.SVNErrorMessage;
import org.tmatesoft.svn.core.SVNException;
import org.tmatesoft.svn.core.internal.wc.SVNErrorManager;
import org.tmatesoft.svn.core.internal.wc.SVNFileUtil;
import org.tmatesoft.svn.util.SVNLogType;
import com.trilead.ssh2.StreamGobbler;
/**
* @version 1.2.0
* @author TMate Software Ltd.
*/
public abstract class SVNAbstractTunnelConnector implements ISVNConnector {
private OutputStream myOutputStream;
private InputStream myInputStream;
private Process myProcess;
public void open(SVNRepositoryImpl repository, String process) throws SVNException {
// 4. launch process.
try {
myProcess = Runtime.getRuntime().exec(process);
myInputStream = new BufferedInputStream(myProcess.getInputStream());
myOutputStream = new BufferedOutputStream(myProcess.getOutputStream());
new StreamGobbler(myProcess.getErrorStream());
} catch (IOException e) {
try {
close(repository);
} catch (SVNException inner) {
}
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.EXTERNAL_PROGRAM, "Cannot create tunnel: ''{0}''", e.getMessage());
SVNErrorManager.error(err, e, SVNLogType.NETWORK);
}
}
public InputStream getInputStream() throws IOException {
return myInputStream;
}
public OutputStream getOutputStream() throws IOException {
return myOutputStream;
}
public boolean isConnected(SVNRepositoryImpl repos) throws SVNException {
return myInputStream != null;
}
public boolean isStale() {
return false;
}
public void close(SVNRepositoryImpl repository) throws SVNException {
if (myProcess != null) {
if (myInputStream != null) {
repository.getDebugLog().flushStream(myInputStream);
SVNFileUtil.closeFile(myInputStream);
}
if (myOutputStream != null) {
repository.getDebugLog().flushStream(myOutputStream);
SVNFileUtil.closeFile(myOutputStream);
}
myProcess.destroy();
myInputStream = null;
myOutputStream = null;
myProcess = null;
}
}
public void free() {
}
public boolean occupy() {
return true;
}
}