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/*
* Copyright 2000-2013 Vaadin Ltd.
*
* 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 com.vaadin.sass.internal.resolver;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.util.List;
import org.w3c.css.sac.InputSource;
import com.vaadin.sass.internal.ScssStylesheet;
public class FilesystemResolver extends AbstractResolver {
private String[] customPaths = null;
public FilesystemResolver(String... customPaths) {
this.customPaths = customPaths;
}
/*
* (non-Javadoc)
*
* @see
* com.vaadin.sass.internal.resolver.AbstractResolver#getPotentialPaths(
* com.vaadin.sass.internal.ScssStylesheet, java.lang.String)
*/
@Override
protected List<String> getPotentialParentPaths(
ScssStylesheet parentStyleSheet, String identifier) {
List<String> potentialPaths = super.getPotentialParentPaths(
parentStyleSheet, identifier);
if (customPaths != null) {
for (String path : customPaths) {
potentialPaths.add(extractFullPath(path, identifier));
}
}
return potentialPaths;
}
@Override
public InputSource resolveNormalized(String identifier) {
String fileName = identifier;
if (!fileName.endsWith(".css")) {
fileName += ".scss";
}
try {
InputStream is = new FileInputStream(fileName);
InputSource source = new InputSource();
source.setByteStream(is);
source.setURI(fileName);
return source;
} catch (FileNotFoundException e) {
// not found, try something else
return null;
}
}
}
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