mirror of
https://github.com/eclipse-cdt/cdt
synced 2025-07-25 18:05:33 +02:00
Reformat with Eclipse style
This commit is contained in:
Martin Oberhuber
parent
95eb3ec719
commit
e25a596063
1 changed files with 223 additions and 214 deletions
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@ -48,21 +48,22 @@ import org.eclipse.swt.widgets.Shell;
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import org.eclipse.ui.IWorkbenchWindow;
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import org.eclipse.ui.PlatformUI;
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public class TelnetConnectorService extends StandardConnectorService implements ITelnetSessionProvider {
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public static final String PROPERTY_SET_NAME="Telnet Settings"; //$NON-NLS-1$
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public static final String PROPERTY_LOGIN_REQUIRED="Login.Required"; //$NON-NLS-1$
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public static final String PROPERTY_LOGIN_PROMPT="Login.Prompt"; //$NON-NLS-1$
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public static final String PROPERTY_PASSWORD_PROMPT="Password.Prompt"; //$NON-NLS-1$
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public static final String PROPERTY_COMMAND_PROMPT="Command.Prompt"; //$NON-NLS-1$
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public class TelnetConnectorService extends StandardConnectorService implements
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ITelnetSessionProvider {
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public static final String PROPERTY_SET_NAME = "Telnet Settings"; //$NON-NLS-1$
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public static final String PROPERTY_LOGIN_REQUIRED = "Login.Required"; //$NON-NLS-1$
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public static final String PROPERTY_LOGIN_PROMPT = "Login.Prompt"; //$NON-NLS-1$
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public static final String PROPERTY_PASSWORD_PROMPT = "Password.Prompt"; //$NON-NLS-1$
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public static final String PROPERTY_COMMAND_PROMPT = "Command.Prompt"; //$NON-NLS-1$
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private static final int TELNET_DEFAULT_PORT = 23;
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private static TelnetClient fTelnetClient = new TelnetClient();
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private SessionLostHandler fSessionLostHandler;
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private InputStream in;
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private PrintStream out;
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private PrintStream out;
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private IPropertySet telnetPropertySet = null;
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public TelnetConnectorService(IHost host) {
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super(TelnetConnectorResources.TelnetConnectorService_Name,
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TelnetConnectorResources.TelnetConnectorService_Description,
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@ -70,18 +71,20 @@ public class TelnetConnectorService extends StandardConnectorService implements
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fSessionLostHandler = null;
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telnetPropertySet = getTelnetPropertySet();
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}
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/**
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* Return the telnet property set, and fill it with default
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* values if it has not been created yet.
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* Extenders may override in order to set different default values.
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* Return the telnet property set, and fill it with default values if it has
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* not been created yet. Extenders may override in order to set different
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* default values.
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*
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* @return a property set holding properties understood by the telnet
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* connector service.
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* connector service.
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*/
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protected IPropertySet getTelnetPropertySet() {
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IPropertySet telnetSet = getPropertySet(PROPERTY_SET_NAME);
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if (telnetSet == null) {
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telnetSet = createPropertySet(PROPERTY_SET_NAME, TelnetConnectorResources.PropertySet_Description);
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telnetSet = createPropertySet(PROPERTY_SET_NAME,
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TelnetConnectorResources.PropertySet_Description);
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telnetSet.addProperty(PROPERTY_LOGIN_REQUIRED,
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"true", PropertyType.getEnumPropertyType(new String[] { "true", "false" })); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
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telnetSet.addProperty(PROPERTY_LOGIN_PROMPT,
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@ -98,75 +101,79 @@ public class TelnetConnectorService extends StandardConnectorService implements
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if (monitor.isCanceled())
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throw new OperationCanceledException();
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}
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protected void internalConnect(IProgressMonitor monitor) throws Exception {
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String host = getHostName();
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String user = getUserId();
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String password = ""; //$NON-NLS-1$
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String user = getUserId();
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String password = ""; //$NON-NLS-1$
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telnetPropertySet = getTelnetPropertySet();
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String login_required = telnetPropertySet.getPropertyValue(PROPERTY_LOGIN_REQUIRED);
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String login_prompt = telnetPropertySet.getPropertyValue(PROPERTY_LOGIN_PROMPT);
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String password_prompt = telnetPropertySet.getPropertyValue(PROPERTY_PASSWORD_PROMPT);
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String command_prompt = telnetPropertySet.getPropertyValue(PROPERTY_COMMAND_PROMPT);
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try {
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Activator.trace("Telnet Service: Connecting....."); //$NON-NLS-1$
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fTelnetClient.connect(host,TELNET_DEFAULT_PORT );
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ICredentials cred = getCredentialsProvider().getCredentials();
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if (cred!=null) {
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password = cred.getPassword();
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}
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in = fTelnetClient.getInputStream();
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out = new PrintStream( fTelnetClient.getOutputStream() );
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//Send login and password if needed
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if( Boolean.valueOf(login_required ).booleanValue() ) {
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if (login_prompt!=null && login_prompt.length()>0) {
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readUntil(login_prompt);
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write(user);
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}
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if (password_prompt!=null && password_prompt.length()>0) {
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readUntil(password_prompt);
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write(password);
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}
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}
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if (command_prompt!=null && command_prompt.length()>0) {
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readUntil(command_prompt);
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}
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Activator.trace("Telnet Service: Connected"); //$NON-NLS-1$
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}catch( SocketException se) {
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Activator.trace("Telnet Service failed: "+se.toString()); //$NON-NLS-1$
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sessionDisconnect();
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}catch( IOException ioe ) {
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Activator.trace("Telnet Service failed: "+ioe.toString()); //$NON-NLS-1$
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sessionDisconnect();
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}
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fSessionLostHandler = new SessionLostHandler( this );
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String login_required = telnetPropertySet
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.getPropertyValue(PROPERTY_LOGIN_REQUIRED);
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String login_prompt = telnetPropertySet
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.getPropertyValue(PROPERTY_LOGIN_PROMPT);
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String password_prompt = telnetPropertySet
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.getPropertyValue(PROPERTY_PASSWORD_PROMPT);
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String command_prompt = telnetPropertySet
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.getPropertyValue(PROPERTY_COMMAND_PROMPT);
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try {
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Activator.trace("Telnet Service: Connecting....."); //$NON-NLS-1$
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fTelnetClient.connect(host, TELNET_DEFAULT_PORT);
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ICredentials cred = getCredentialsProvider().getCredentials();
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if (cred != null) {
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password = cred.getPassword();
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}
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in = fTelnetClient.getInputStream();
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out = new PrintStream(fTelnetClient.getOutputStream());
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// Send login and password if needed
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if (Boolean.valueOf(login_required).booleanValue()) {
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if (login_prompt != null && login_prompt.length() > 0) {
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readUntil(login_prompt);
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write(user);
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}
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if (password_prompt != null && password_prompt.length() > 0) {
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readUntil(password_prompt);
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write(password);
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}
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}
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if (command_prompt != null && command_prompt.length() > 0) {
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readUntil(command_prompt);
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}
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Activator.trace("Telnet Service: Connected"); //$NON-NLS-1$
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} catch (SocketException se) {
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Activator.trace("Telnet Service failed: " + se.toString()); //$NON-NLS-1$
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sessionDisconnect();
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} catch (IOException ioe) {
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Activator.trace("Telnet Service failed: " + ioe.toString()); //$NON-NLS-1$
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sessionDisconnect();
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}
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fSessionLostHandler = new SessionLostHandler(this);
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notifyConnection();
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}
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/**
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* Disconnect the telnet session.
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* Synchronized in order to avoid NPE's from commons.net when called
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* quickly in succession.
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* Disconnect the telnet session. Synchronized in order to avoid NPE's from
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* commons.net when called quickly in succession.
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*/
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private synchronized void sessionDisconnect() {
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Activator.trace("TelnetConnectorService.sessionDisconnect"); //$NON-NLS-1$
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try {
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if (fTelnetClient!=null) {
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synchronized(fTelnetClient) {
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if (fTelnetClient.isConnected())
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fTelnetClient.disconnect();
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}
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}
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} catch(Exception e) {
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//Avoid NPE on disconnect shown in UI
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//This is a non-critical exception so print only in debug mode
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if (Activator.isTracingOn()) e.printStackTrace();
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}
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Activator.trace("TelnetConnectorService.sessionDisconnect"); //$NON-NLS-1$
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try {
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if (fTelnetClient != null) {
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synchronized (fTelnetClient) {
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if (fTelnetClient.isConnected())
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fTelnetClient.disconnect();
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}
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}
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} catch (Exception e) {
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// Avoid NPE on disconnect shown in UI
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// This is a non-critical exception so print only in debug mode
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if (Activator.isTracingOn())
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e.printStackTrace();
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}
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}
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public String readUntil(String pattern) {
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try {
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char lastChar = pattern.charAt(pattern.length() - 1);
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@ -185,139 +192,136 @@ public class TelnetConnectorService extends StandardConnectorService implements
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ch = in.read();
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}
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} catch (Exception e) {
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SystemBasePlugin.logError(e.getMessage()==null ? e.getClass().getName() : e.getMessage(), e);
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SystemBasePlugin.logError(e.getMessage() == null ? e.getClass().getName() : e.getMessage(), e);
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}
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return null;
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}
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public void write( String value ) {
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try {
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out.println( value );
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out.flush();
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if (Activator.isTracingOn()) {
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//Avoid printing password to stdout
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//Activator.trace("write: "+value ); //$NON-NLS-1$
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int len = value.length()+6;
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Activator.trace("write: ******************".substring(0, len<=24 ? len : 24)); //$NON-NLS-1$
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}
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}
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catch( Exception e ) {
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e.printStackTrace();
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}
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public void write(String value) {
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try {
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out.println(value);
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out.flush();
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if (Activator.isTracingOn()) {
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// Avoid printing password to stdout
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// Activator.trace("write: "+value ); //$NON-NLS-1$
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int len = value.length() + 6;
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Activator.trace("write: ******************".substring(0, len <= 24 ? len : 24)); //$NON-NLS-1$
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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protected void internalDisconnect(IProgressMonitor monitor) throws Exception {
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protected void internalDisconnect(IProgressMonitor monitor)
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throws Exception {
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Activator.trace("Telnet Service: Disconnecting ....."); //$NON-NLS-1$
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boolean sessionLost = (fSessionLostHandler!=null && fSessionLostHandler.isSessionLost());
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// no more interested in handling session-lost, since we are disconnecting anyway
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boolean sessionLost = (fSessionLostHandler != null && fSessionLostHandler.isSessionLost());
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// no more interested in handling session-lost, since we are
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// disconnecting anyway
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fSessionLostHandler = null;
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// handle events
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if (sessionLost) {
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notifyError();
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}
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else {
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} else {
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// Fire comm event to signal state about to change
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fireCommunicationsEvent(CommunicationsEvent.BEFORE_DISCONNECT);
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}
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sessionDisconnect();
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sessionDisconnect();
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// Fire comm event to signal state changed
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notifyDisconnection();
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}
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public TelnetClient getTelnetClient() {
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return fTelnetClient;
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}
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/**
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* Handle session-lost events.
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* This is generic for any sort of connector service.
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* Most of this is extracted from dstore's ConnectionStatusListener.
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*
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* TODO should be refactored to make it generally available, and allow
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* dstore to derive from it.
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*/
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public static class SessionLostHandler implements Runnable, IRunnableWithProgress
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{
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* Handle session-lost events. This is generic for any sort of connector
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* service. Most of this is extracted from dstore's
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* ConnectionStatusListener.
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*
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* TODO should be refactored to make it generally available, and allow
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* dstore to derive from it.
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*/
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public static class SessionLostHandler implements Runnable,
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IRunnableWithProgress {
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private IConnectorService _connection;
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private boolean fSessionLost;
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public SessionLostHandler(IConnectorService cs)
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{
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public SessionLostHandler(IConnectorService cs) {
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_connection = cs;
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fSessionLost = false;
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}
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/**
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* Notify that the connection has been lost. This may be called
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* multiple times from multiple subsystems. The SessionLostHandler
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* ensures that actual user feedback and disconnect actions are
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* done only once, on the first invocation.
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/**
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* Notify that the connection has been lost. This may be called multiple
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* times from multiple subsystems. The SessionLostHandler ensures that
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* actual user feedback and disconnect actions are done only once, on
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* the first invocation.
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*/
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public void sessionLost()
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{
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//avoid duplicate execution of sessionLost
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boolean showSessionLostDlg=false;
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synchronized(this) {
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public void sessionLost() {
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// avoid duplicate execution of sessionLost
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boolean showSessionLostDlg = false;
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synchronized (this) {
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if (!fSessionLost) {
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fSessionLost = true;
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showSessionLostDlg=true;
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showSessionLostDlg = true;
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}
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}
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if (showSessionLostDlg) {
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//invokes this.run() on dispatch thread
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// invokes this.run() on dispatch thread
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Display.getDefault().asyncExec(this);
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}
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}
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public synchronized boolean isSessionLost() {
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return fSessionLost;
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}
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public void run()
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{
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public void run() {
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Shell shell = getShell();
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//TODO need a more correct message for "session lost"
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//TODO allow users to reconnect from this dialog
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//SystemMessage msg = RSEUIPlugin.getPluginMessage(ISystemMessages.MSG_CONNECT_UNKNOWNHOST);
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// TODO need a more correct message for "session lost"
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// TODO allow users to reconnect from this dialog
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// SystemMessage msg = RSEUIPlugin.getPluginMessage(ISystemMessages.MSG_CONNECT_UNKNOWNHOST);
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SystemMessage msg = RSEUIPlugin.getPluginMessage(ISystemMessages.MSG_CONNECT_CANCELLED);
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msg.makeSubstitution(_connection.getPrimarySubSystem().getHost().getAliasName());
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SystemMessageDialog dialog = new SystemMessageDialog(getShell(), msg);
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dialog.open();
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try
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{
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//TODO I think we should better use a Job for disconnecting?
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//But what about error messages?
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try {
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// TODO I think we should better use a Job for disconnecting?
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// But what about error messages?
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IRunnableContext runnableContext = getRunnableContext(getShell());
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// will do this.run(IProgressMonitor mon)
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//runnableContext.run(false,true,this); // inthread, cancellable, IRunnableWithProgress
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runnableContext.run(true,true,this); // fork, cancellable, IRunnableWithProgress
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_connection.reset();
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ISystemRegistry sr = RSECorePlugin.getTheSystemRegistry();
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sr.connectedStatusChange(_connection.getPrimarySubSystem(), false, true, true);
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}
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catch (InterruptedException exc) // user cancelled
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{
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if (shell != null)
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showDisconnectCancelledMessage(shell, _connection.getHostName(), _connection.getPort());
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}
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catch (java.lang.reflect.InvocationTargetException invokeExc) // unexpected error
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{
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Exception exc = (Exception)invokeExc.getTargetException();
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if (shell != null)
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showDisconnectErrorMessage(shell, _connection.getHostName(), _connection.getPort(), exc);
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}
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catch (Exception e)
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// runnableContext.run(false,true,this); // inthread,
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// cancellable, IRunnableWithProgress
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runnableContext.run(true, true, this); // fork, cancellable,
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// IRunnableWithProgress
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_connection.reset();
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ISystemRegistry sr = RSECorePlugin.getTheSystemRegistry();
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sr.connectedStatusChange(_connection.getPrimarySubSystem(),
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false, true, true);
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} catch (InterruptedException exc) // user cancelled
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{
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if (shell != null)
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showDisconnectCancelledMessage(shell, _connection
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.getHostName(), _connection.getPort());
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} catch (java.lang.reflect.InvocationTargetException invokeExc) // unexpected error
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{
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Exception exc = (Exception) invokeExc.getTargetException();
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if (shell != null)
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showDisconnectErrorMessage(shell,
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_connection.getHostName(), _connection.getPort(),
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exc);
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} catch (Exception e) {
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SystemBasePlugin.logError(TelnetConnectorResources.TelnetConnectorService_ErrorDisconnecting, e);
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}
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}
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public void run(IProgressMonitor monitor)
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throws InvocationTargetException, InterruptedException
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{
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throws InvocationTargetException, InterruptedException {
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String message = null;
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message = SubSystemConfiguration.getDisconnectingMessage(
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_connection.getHostName(), _connection.getPort());
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@ -360,7 +364,7 @@ public class TelnetConnectorService extends StandardConnectorService implements
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return null;
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}
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/**
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/**
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* Get the progress monitor dialog for this operation. We try to use one
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* for all phases of a single operation, such as connecting and
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* resolving.
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@ -391,64 +395,68 @@ public class TelnetConnectorService extends StandardConnectorService implements
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return dlg;
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}
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/**
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/**
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* Show an error message when the disconnection fails. Shows a common
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* message by default. Overridable.
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*/
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protected void showDisconnectErrorMessage(Shell shell, String hostName, int port, Exception exc)
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{
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//SystemMessage.displayMessage(SystemMessage.MSGTYPE_ERROR,shell,RSEUIPlugin.getResourceBundle(),
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// ISystemMessages.MSG_DISCONNECT_FAILED,
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// hostName, exc.getMessage());
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//RSEUIPlugin.logError("Disconnect failed",exc); // temporary
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SystemMessageDialog msgDlg = new SystemMessageDialog(shell,
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RSEUIPlugin.getPluginMessage(ISystemMessages.MSG_DISCONNECT_FAILED).makeSubstitution(hostName,exc));
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msgDlg.setException(exc);
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msgDlg.open();
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}
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protected void showDisconnectErrorMessage(Shell shell, String hostName,
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int port, Exception exc) {
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// SystemMessage.displayMessage(SystemMessage.MSGTYPE_ERROR,shell,RSEUIPlugin.getResourceBundle(),
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// ISystemMessages.MSG_DISCONNECT_FAILED,
|
||||
// hostName, exc.getMessage());
|
||||
// RSEUIPlugin.logError("Disconnect failed",exc); // temporary
|
||||
SystemMessageDialog msgDlg = new SystemMessageDialog(shell,
|
||||
RSEUIPlugin.getPluginMessage(ISystemMessages.MSG_DISCONNECT_FAILED)
|
||||
.makeSubstitution(hostName, exc));
|
||||
msgDlg.setException(exc);
|
||||
msgDlg.open();
|
||||
}
|
||||
|
||||
/**
|
||||
* Show an error message when the user cancels the disconnection.
|
||||
* Shows a common message by default.
|
||||
* Overridable.
|
||||
*/
|
||||
protected void showDisconnectCancelledMessage(Shell shell, String hostName, int port)
|
||||
{
|
||||
//SystemMessage.displayMessage(SystemMessage.MSGTYPE_ERROR, shell, RSEUIPlugin.getResourceBundle(),
|
||||
// ISystemMessages.MSG_DISCONNECT_CANCELLED, hostName);
|
||||
SystemMessageDialog msgDlg = new SystemMessageDialog(shell,
|
||||
RSEUIPlugin.getPluginMessage(ISystemMessages.MSG_DISCONNECT_CANCELLED).makeSubstitution(hostName));
|
||||
msgDlg.open();
|
||||
}
|
||||
/**
|
||||
* Show an error message when the user cancels the disconnection. Shows
|
||||
* a common message by default. Overridable.
|
||||
*/
|
||||
protected void showDisconnectCancelledMessage(Shell shell,
|
||||
String hostName, int port) {
|
||||
// SystemMessage.displayMessage(SystemMessage.MSGTYPE_ERROR, shell,
|
||||
// RSEUIPlugin.getResourceBundle(),
|
||||
// ISystemMessages.MSG_DISCONNECT_CANCELLED, hostName);
|
||||
SystemMessageDialog msgDlg = new SystemMessageDialog(shell,
|
||||
RSEUIPlugin.getPluginMessage(
|
||||
ISystemMessages.MSG_DISCONNECT_CANCELLED)
|
||||
.makeSubstitution(hostName));
|
||||
msgDlg.open();
|
||||
}
|
||||
}
|
||||
|
||||
/* Notification from sub-services that our session was lost.
|
||||
* Notify all subsystems properly.
|
||||
* TODO allow user to try and reconnect?
|
||||
*/
|
||||
/*
|
||||
* Notification from sub-services that our session was lost. Notify all
|
||||
* subsystems properly.
|
||||
* TODO allow user to try and reconnect?
|
||||
*/
|
||||
public void handleSessionLost() {
|
||||
Activator.trace("TelnetConnectorService: handleSessionLost"); //$NON-NLS-1$
|
||||
if (fSessionLostHandler!=null) {
|
||||
fSessionLostHandler.sessionLost();
|
||||
}
|
||||
Activator.trace("TelnetConnectorService: handleSessionLost"); //$NON-NLS-1$
|
||||
if (fSessionLostHandler != null) {
|
||||
fSessionLostHandler.sessionLost();
|
||||
}
|
||||
}
|
||||
|
||||
protected static Display getStandardDisplay() {
|
||||
Display display = Display.getCurrent();
|
||||
if( display==null ) {
|
||||
display = Display.getDefault();
|
||||
}
|
||||
return display;
|
||||
Display display = Display.getCurrent();
|
||||
if (display == null) {
|
||||
display = Display.getDefault();
|
||||
}
|
||||
return display;
|
||||
}
|
||||
|
||||
|
||||
public boolean isConnected() {
|
||||
boolean connected = false;
|
||||
if (fTelnetClient!=null) {
|
||||
synchronized(fTelnetClient) {
|
||||
if (fTelnetClient != null) {
|
||||
synchronized (fTelnetClient) {
|
||||
connected = fTelnetClient.isConnected();
|
||||
}
|
||||
}
|
||||
if (!connected && fSessionLostHandler!=null) {
|
||||
if (!connected && fSessionLostHandler != null) {
|
||||
Activator.trace("TelnetConnectorService.isConnected: false -> sessionLost"); //$NON-NLS-1$
|
||||
fSessionLostHandler.sessionLost();
|
||||
}
|
||||
|
|
@ -456,10 +464,10 @@ public class TelnetConnectorService extends StandardConnectorService implements
|
|||
}
|
||||
|
||||
/**
|
||||
* Test if this connector service requires a password.
|
||||
* Telnet connector service returns false since a password is
|
||||
* not necessarily required, i.e. the corresponding
|
||||
* password field may be empty.
|
||||
* Test if this connector service requires a password. Telnet connector
|
||||
* service returns false since a password is not necessarily required, i.e.
|
||||
* the corresponding password field may be empty.
|
||||
*
|
||||
* @see org.eclipse.rse.core.subsystems.AbstractConnectorService#requiresPassword()
|
||||
* @return false
|
||||
*/
|
||||
|
|
@ -468,10 +476,10 @@ public class TelnetConnectorService extends StandardConnectorService implements
|
|||
}
|
||||
|
||||
/**
|
||||
* Test if this connector service requires a user id.
|
||||
* Telnet connector service returns false since a user id
|
||||
* is not necessarily required, i.e. the corresponding
|
||||
* user id field may be empty.
|
||||
* Test if this connector service requires a user id. Telnet connector
|
||||
* service returns false since a user id is not necessarily required, i.e.
|
||||
* the corresponding user id field may be empty.
|
||||
*
|
||||
* @see org.eclipse.rse.core.subsystems.AbstractConnectorService#requiresPassword()
|
||||
* @return false
|
||||
*/
|
||||
|
|
@ -481,14 +489,15 @@ public class TelnetConnectorService extends StandardConnectorService implements
|
|||
|
||||
/**
|
||||
* Test if this connector service requires logging in.
|
||||
* @return false if the Property {@link #PROPERTY_LOGIN_REQUIRED}
|
||||
* is set and false. Returns true otherwise.
|
||||
*
|
||||
* @return false if the Property {@link #PROPERTY_LOGIN_REQUIRED} is set and
|
||||
* false. Returns true otherwise.
|
||||
*/
|
||||
protected boolean supportsLogin() {
|
||||
boolean result = true;
|
||||
if (telnetPropertySet!=null) {
|
||||
if (telnetPropertySet != null) {
|
||||
String login_required = telnetPropertySet.getPropertyValue(PROPERTY_LOGIN_REQUIRED);
|
||||
if (login_required!=null && login_required.equalsIgnoreCase("false")) { //$NON-NLS-1$
|
||||
if (login_required != null && login_required.equalsIgnoreCase("false")) { //$NON-NLS-1$
|
||||
result = false;
|
||||
}
|
||||
}
|
||||
|
|
@ -510,5 +519,5 @@ public class TelnetConnectorService extends StandardConnectorService implements
|
|||
public boolean supportsUserId() {
|
||||
return supportsLogin();
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue