/*******************************************************************************
 * Copyright (c) 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.runtime.services.filetransfer;

import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.tcf.te.runtime.properties.PropertiesContainer;
import org.eclipse.tcf.te.runtime.services.interfaces.filetransfer.IFileTransferItem;

/**
 * FileTransferItem
 */
public class FileTransferItem extends PropertiesContainer implements IFileTransferItem {

	/**
	 * Constructor.
	 */
	public FileTransferItem() {
		setProperty(PROPERTY_ENABLED, true);
		setProperty(PROPERTY_DIRECTION, HOST_TO_TARGET);
	}

	public FileTransferItem(IPath fromHost, boolean enabled) {
		this();
		if (fromHost != null)
			setProperty(PROPERTY_HOST, fromHost.toPortableString());
		setProperty(PROPERTY_ENABLED, enabled);
	}

	public FileTransferItem(IPath fromHost, IPath toTarget) {
		this();
		if (fromHost != null)
			setProperty(PROPERTY_HOST, fromHost.toPortableString());
		if (toTarget != null)
			setProperty(PROPERTY_TARGET, toTarget.toPortableString());
	}

	/* (non-Javadoc)
	 * @see org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IFileTransferItem#isEnabled()
	 */
	@Override
	public boolean isEnabled() {
		return getBooleanProperty(PROPERTY_ENABLED);
	}

	/* (non-Javadoc)
	 * @see org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IFileTransferItem#getHostPath()
	 */
	@Override
	public IPath getHostPath() {
		return getStringProperty(PROPERTY_HOST) != null ? new Path(getStringProperty(PROPERTY_HOST)) : null;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IFileTransferItem#getTargetPath()
	 */
	@Override
	public IPath getTargetPath() {
		return getStringProperty(PROPERTY_TARGET) != null ? new Path(getStringProperty(PROPERTY_TARGET)) : null;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IFileTransferItem#getDirection()
	 */
	@Override
	public int getDirection() {
		int direction = getIntProperty(PROPERTY_DIRECTION);
		return direction == TARGET_TO_HOST ? TARGET_TO_HOST : HOST_TO_TARGET;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IFileTransferItem#getOptions()
	 */
	@Override
	public String getOptions() {
		return getStringProperty(PROPERTY_OPTIONS);
	}

	/* (non-Javadoc)
	 * @see org.eclipse.tcf.te.runtime.properties.PropertiesContainer#hashCode()
	 */
	@Override
	public int hashCode() {
		int hc = getHostPath() != null ? getHostPath().hashCode() : 0;
		hc = hc << 8 + (getTargetPath() != null ? getTargetPath().hashCode() : 0);
		hc = hc << 8 + getDirection();
	    return hc;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.tcf.te.runtime.properties.PropertiesContainer#equals(java.lang.Object)
	 */
	@Override
	public boolean equals(Object obj) {
		boolean equals = super.equals(obj);
		if (!equals && obj instanceof IFileTransferItem) {
			return getHostPath() != null ? getHostPath().equals(((IFileTransferItem)obj).getHostPath()) : ((IFileTransferItem)obj).getHostPath() == null
						&& getTargetPath() != null ? getTargetPath().equals(((IFileTransferItem)obj).getTargetPath()) : ((IFileTransferItem)obj).getTargetPath() == null
						&& getDirection() == ((IFileTransferItem)obj).getDirection();
		}
		return equals;
	}
}