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/*******************************************************************************
 * Copyright (c) 2011, 2012 Wind River Systems, Inc. and others. All rights reserved.
 * This program and the accompanying materials are made available under the terms
 * of the Eclipse Public License v1.0 which accompanies this distribution, and is
 * available at http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 * Wind River Systems - initial API and implementation
 *******************************************************************************/
package org.eclipse.tcf.te.ui.terminals.process;

import org.eclipse.cdt.utils.pty.PTY;
import org.eclipse.core.runtime.Assert;
import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;
import org.eclipse.tcf.te.runtime.services.interfaces.constants.ITerminalsConnectorConstants;
import org.eclipse.tcf.te.ui.terminals.internal.SettingsStore;
import org.eclipse.tcf.te.ui.terminals.streams.OutputStreamMonitor;
import org.eclipse.tcf.te.ui.terminals.types.AbstractConnectorType;
import org.eclipse.tm.internal.terminal.provisional.api.ISettingsStore;
import org.eclipse.tm.internal.terminal.provisional.api.ITerminalConnector;
import org.eclipse.tm.internal.terminal.provisional.api.TerminalConnectorExtension;

/**
 * Streams terminal connector type implementation.
 */
@SuppressWarnings("restriction")
public class ProcessConnectorType extends AbstractConnectorType {

	/* (non-Javadoc)
	 * @see org.eclipse.tcf.te.ui.terminals.interfaces.IConnectorType#createTerminalConnector(org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer)
	 */
	@Override
	public ITerminalConnector createTerminalConnector(IPropertiesContainer properties) {
		Assert.isNotNull(properties);

		// Check for the terminal connector id
		String connectorId = properties.getStringProperty(ITerminalsConnectorConstants.PROP_TERMINAL_CONNECTOR_ID);
		if (connectorId == null) connectorId = "org.eclipse.tcf.te.ui.terminals.ProcessConnector"; //$NON-NLS-1$

		// Extract the process properties
		String image = properties.getStringProperty(ITerminalsConnectorConstants.PROP_PROCESS_PATH);
		String arguments = properties.getStringProperty(ITerminalsConnectorConstants.PROP_PROCESS_ARGS);
		Process process = (Process)properties.getProperty(ITerminalsConnectorConstants.PROP_PROCESS_OBJ);
		PTY pty = (PTY)properties.getProperty(ITerminalsConnectorConstants.PROP_PTY_OBJ);
		boolean localEcho = properties.getBooleanProperty(ITerminalsConnectorConstants.PROP_LOCAL_ECHO);
		String lineSeparator = properties.getStringProperty(ITerminalsConnectorConstants.PROP_LINE_SEPARATOR);
		OutputStreamMonitor.Listener[] stdoutListeners = (OutputStreamMonitor.Listener[])properties.getProperty(ITerminalsConnectorConstants.PROP_STDOUT_LISTENERS);
		OutputStreamMonitor.Listener[] stderrListeners = (OutputStreamMonitor.Listener[])properties.getProperty(ITerminalsConnectorConstants.PROP_STDERR_LISTENERS);
		String workingDir = properties.getStringProperty(ITerminalsConnectorConstants.PROP_PROCESS_WORKING_DIR);

		String[] envp = null;
		if (properties.containsKey(ITerminalsConnectorConstants.PROP_PROCESS_ENVIRONMENT) &&
						properties.getProperty(ITerminalsConnectorConstants.PROP_PROCESS_ENVIRONMENT) != null &&
						properties.getProperty(ITerminalsConnectorConstants.PROP_PROCESS_ENVIRONMENT) instanceof String[]){
			envp = (String[])properties.getProperty(ITerminalsConnectorConstants.PROP_PROCESS_ENVIRONMENT);
		}

		Assert.isTrue(image != null || process != null);

		// Construct the terminal settings store
		ISettingsStore store = new SettingsStore();

		// Construct the process settings
		ProcessSettings processSettings = new ProcessSettings();
		processSettings.setImage(image);
		processSettings.setArguments(arguments);
		processSettings.setProcess(process);
		processSettings.setPTY(pty);
		processSettings.setLocalEcho(localEcho);
		processSettings.setLineSeparator(lineSeparator);
		processSettings.setStdOutListeners(stdoutListeners);
		processSettings.setStdErrListeners(stderrListeners);
		processSettings.setWorkingDir(workingDir);
		processSettings.setEnvironment(envp);

		// And save the settings to the store
		processSettings.save(store);

		// Construct the terminal connector instance
		ITerminalConnector connector = TerminalConnectorExtension.makeTerminalConnector(connectorId);
		if (connector != null) {
			// Apply default settings
			connector.makeSettingsPage();
			// And load the real settings
			connector.load(store);
		}

		return connector;
	}
}

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