/*
* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2004, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*
*/
package org.locationtech.udig.style.cache;
import java.awt.Color;
import java.io.IOException;
import java.net.URL;
import org.locationtech.udig.catalog.ID;
import org.locationtech.udig.catalog.IGeoResource;
import org.locationtech.udig.catalog.IService;
import org.locationtech.udig.project.StyleContent;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.ui.IMemento;
import org.geotools.styling.Style;
/**
* Used to indicate if we are caching content (in memory or otherwise).
* <p>
* To start out with we will simply have a boolean flag; we may
* wish to provide a threshold of memory use.
*/
public final class CacheContent extends StyleContent {
/** style id, used to identify cache style on a blackboard */
public static final String ID = "org.locationtech.udig.style.cache"; //$NON-NLS-1$
/**
* SLDContent constructor.
*/
public CacheContent() {
super(ID);
}
/*
* (non-Javadoc)
*
* @see org.locationtech.udig.project.StyleContent#getStyleClass()
*/
public Class<?> getStyleClass() {
return Boolean.class;
}
/*
* (non-Javadoc)
*
* @see org.locationtech.udig.project.StyleContent#save(org.eclipse.ui.IMemento,
* java.lang.Object)
*/
public void save( IMemento memento, Object value ) {
Boolean style = (Boolean) value;
memento.putBoolean("cache", style );
memento.putString("type", "CacheStyle"); //$NON-NLS-1$ //$NON-NLS-2$
memento.putString("version", "1.0"); //$NON-NLS-1$ //$NON-NLS-2$
}
/*
* (non-Javadoc)
*
* @see org.locationtech.udig.project.StyleContent#load(org.eclipse.ui.IMemento)
*/
public Object load( IMemento momento ) {
Boolean style = momento.getBoolean("cache");
return style;
}
/*
* (non-Javadoc)
*
* @see org.locationtech.udig.project.StyleContent#load(java.net.URL)
*/
public Object load( URL url, IProgressMonitor m ) throws IOException {
return null;
}
/**
* This will need to know the "scheme."
*/
public Object createDefaultStyle( IGeoResource resource, Color colour,
IProgressMonitor m ) throws IOException {
if( resource.canResolve(Boolean.class)){
Boolean isCaching = resource.resolve( Boolean.class, m);
if( isCaching != null ){
return isCaching;
}
}
IService service = resource.service(null);
if( service == null ){
return null; // cannot determine sevice at this time!
}
ID serviceID = service.getID();
// if( serviceID.isWFS() ){
// return true; // we want to cache for WFS
// }
if( serviceID.isFile() ){
String ext = serviceID.toExtension();
if( ext.toLowerCase().endsWith("jpg") ||
ext.toLowerCase().endsWith("jpeg")){
return true; // we want to cache JPEG
}
}
return null; // there is no good Style default for this resource type
}
}