/*******************************************************************************
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
*******************************************************************************/
package com.liferay.ide.project.core.model.internal;
import com.liferay.ide.project.core.model.SDKProjectsImportOp;
import com.liferay.ide.project.core.util.ProjectImportUtil;
import com.liferay.ide.sdk.core.SDK;
import com.liferay.ide.sdk.core.SDKUtil;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.sapphire.DerivedValueService;
import org.eclipse.sapphire.FilteredListener;
import org.eclipse.sapphire.PropertyContentEvent;
import org.eclipse.sapphire.modeling.Path;
import org.eclipse.sapphire.platform.PathBridge;
/**
* @author Simon Jiang
*/
public class SDKImportVersionDerivedValueService extends DerivedValueService
{
private FilteredListener<PropertyContentEvent> listener;
@Override
protected void initDerivedValueService()
{
super.initDerivedValueService();
this.listener = new FilteredListener<PropertyContentEvent>()
{
@Override
protected void handleTypedEvent( PropertyContentEvent event )
{
refresh();
}
};
op().property( SDKProjectsImportOp.PROP_SDK_LOCATION ).attach( this.listener );
}
@Override
protected String compute()
{
String retVal = null;
if ( op().getSdkLocation() != null )
{
if ( op().getSdkLocation().content() != null && !op().getSdkLocation().content().isEmpty() )
{
final Path sdkPath = op().getSdkLocation().content();
final IStatus status = ProjectImportUtil.validateSDKPath(
op().getSdkLocation().content().toPortableString() );
if ( status.isOK() )
{
SDK sdk = SDKUtil.createSDKFromLocation( PathBridge.create( sdkPath ) );
retVal = sdk.getVersion();
}
}
}
return retVal;
}
private SDKProjectsImportOp op()
{
return context( SDKProjectsImportOp.class );
}
@Override
public void dispose()
{
if ( op() != null)
{
op().property( SDKProjectsImportOp.PROP_SDK_LOCATION ).detach( this.listener );
}
super.dispose();
}
}