import org.eclipse.core.resources.IEncodedStorage; //导入依赖的package包/类
private static IResourceVariant createBaseResourceVariant(IResource local, LocalResourceStatus baseStatusInfo) {
    if( baseStatusInfo == null
            || baseStatusInfo.getLastChangedRevision() == null )
      return null;
    
    if( local.getType() == IResource.FILE ) {
    	String charset = null;
    	try {
    		charset = ((IEncodedStorage)local).getCharset();
    	} catch (CoreException e) {
    		SVNProviderPlugin.log(IStatus.ERROR, e.getMessage(), e);
    	}
    	return new BaseFile(local, baseStatusInfo, charset);
    }
    else {
        return new BaseFolder(local, baseStatusInfo);
    }
}
 

import org.eclipse.core.resources.IEncodedStorage; //导入依赖的package包/类
@Override
public String getEncoding(Object element) {
	String encoding = super.getEncoding(element);
	if (encoding == null && element instanceof IStorageEditorInput) {
		try {
			IStorage storage = ((IStorageEditorInput) element).getStorage();
			URI uri = storage2UriMapper.getUri(storage);
			if (uri != null) {
				encoding = encodingProvider.getEncoding(uri);
			} else if (storage instanceof IEncodedStorage) {
				encoding = ((IEncodedStorage)storage).getCharset();
			}
		} catch (CoreException e) {
			throw new WrappedException(e);
		}
	}
	return encoding;
}
 

import org.eclipse.core.resources.IEncodedStorage; //导入依赖的package包/类
/**
 * Returns the persisted encoding for the given element.
 * 
 * @param element
 *            the element for which to get the persisted encoding
 * @return the persisted encoding
 */
protected String getPersistedEncoding( Object element )
{
	if ( element instanceof IStorageEditorInput )
	{
		IStorage storage;
		try
		{
			storage = ( (IStorageEditorInput) element ).getStorage( );
			if ( storage instanceof IEncodedStorage )
				return ( (IEncodedStorage) storage ).getCharset( );
		}
		catch ( CoreException e )
		{
			return null;
		}
	}
	return null;
}
 

import org.eclipse.core.resources.IEncodedStorage; //导入依赖的package包/类
/**
 * Returns the persisted encoding for the given element.
 * 
 * @param element
 *            the element for which to get the persisted encoding
 * @return the persisted encoding
 */
protected String getPersistedEncoding( Object element )
{
	if ( element instanceof IEncodedStorage )
	{
		try
		{
			return ( (IEncodedStorage) element ).getCharset( );
		}
		catch ( CoreException e )
		{
			return null;
		}
	}
	return null;
}
 

import org.eclipse.core.resources.IEncodedStorage; //导入依赖的package包/类
public static String getCharset(IResource resource) {
	if (resource instanceof IEncodedStorage) {
		try {
			return ((IEncodedStorage)resource).getCharset();
		} catch (CoreException ex) {
			// fall  through
		}
	}
	return ResourcesPlugin.getEncoding();
}