/*******************************************************************************
* Copyright 2012 Geoscience Australia
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package au.gov.ga.earthsci.common.util;
import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.Platform;
/**
* Utility class used to calculation configuration file locations.
*
* @author Michael de Hoog (michael.dehoog@ga.gov.au)
*/
public class ConfigurationUtil
{
/**
* Create a URL pointing to a file in the application's workspace storage
* area.
*
* @param subpath
* Path within the workspace area
* @return URL for subpath in the workspace
*/
public static URL getWorkspaceURL(String subpath)
{
try
{
URL url = ResourcesPlugin.getWorkspace().getRoot().getLocation().toFile().toURI().toURL();
return new URL(url, subpath);
}
catch (IOException e)
{
throw new IllegalStateException(e);
}
}
/**
* Create a File object pointing to a subpath in the application's workspace
* storage area.
*
* @param subpath
* Path within the workspace area
* @return File for subpath in the workspace
*/
public static File getWorkspaceFile(String subpath)
{
try
{
return new File(getWorkspaceURL(subpath).toURI());
}
catch (URISyntaxException e)
{
throw new IllegalArgumentException(e);
}
}
/**
* Create a URL pointing to a file in the user's home area (by default the
* System property 'user.home').
*
* @param subpath
* Path within the user directory
* @return URL for subpath in the user directory
*/
public static URL getUserURL(String subpath)
{
try
{
return new URL(Platform.getUserLocation().getDataArea(subpath).toString().replace(" ", "%20")); //$NON-NLS-1$ //$NON-NLS-2$
}
catch (IOException e)
{
throw new IllegalStateException(e);
}
}
/**
* Create a File object pointing to a subpath in the user's home area (by
* default the System property 'user.home').
*
* @param subpath
* Path within the user directory
* @return File for subpath in the user directory
*/
public static File getUserFile(String subpath)
{
try
{
return new File(getUserURL(subpath).toURI());
}
catch (URISyntaxException e)
{
throw new IllegalArgumentException(e);
}
}
}