/**
* Copyright (C) 2009 eXo Platform SAS.
*
* This 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 software 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.portal.resource;
import java.io.Reader;
import java.util.Map;
import org.gatein.common.logging.Logger;
import org.gatein.common.logging.LoggerFactory;
/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
* @version $Revision$
*/
class CompositeResourceResolver implements ResourceResolver {
/** . */
private final Map<SkinKey, SkinConfig> skins;
/**
* The name of the portal container
*/
private final String portalContainerName;
/** . */
private final String prefix;
/** . */
private final Logger log = LoggerFactory.getLogger(CompositeResourceResolver.class);
public CompositeResourceResolver(String portalContainerName, Map<SkinKey, SkinConfig> skins) {
this.portalContainerName = portalContainerName;
this.skins = skins;
this.prefix = "/" + portalContainerName + "/resource/";
}
public Resource resolve(String path) {
if (path == null) {
throw new NullPointerException("No null path is accepted");
}
//
if (path.startsWith(prefix) && path.endsWith(".css")) {
final StringBuilder sb = new StringBuilder();
String encoded = path.substring(prefix.length());
String[] blah = encoded.split("/");
int len = (blah.length >> 1) << 1;
for (int i = 0; i < len; i += 2) {
String name = Codec.decode(blah[i]);
String module = Codec.decode(blah[i + 1]);
SkinKey key = new SkinKey(module, name);
SkinConfig skin = skins.get(key);
if (skin != null) {
sb.append("@import url(").append(skin.getCSSPath()).append(");").append("\n");
}
}
return new Resource(path) {
@Override
public Reader read() {
return new CharSequenceReader(sb);
}
};
} else {
if (log.isDebugEnabled()) {
log.debug("Could not resolve path value");
}
return null;
}
}
}