URLLessContext.java

/*
 * Copyright 2013 eXo Platform SAS
 *
 * 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 juzu.plugin.less.impl.lesser;

import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.net.URI;
import java.net.URL;

/** @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> */
public class URLLessContext implements LessContext {

  /** . */
  private final URL baseURL;

  public URLLessContext(URL baseURL) {
    this.baseURL = baseURL;
  }

  public String load(String ref) {
    try {
      URI uri = baseURL.toURI().resolve(ref);
      URL url = uri.toURL();
      InputStream in = url.openStream();
      ByteArrayOutputStream baos = Lesser.append(in, new ByteArrayOutputStream());
      return baos.toString();
    }
    catch (Exception e) {
      return null;
    }
  }
}