package org.eluder.coveralls.maven.plugin.source;
/*
* #[license]
* coveralls-maven-plugin
* %%
* Copyright (C) 2013 - 2014 Tapio Rautonen
* %%
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
* %[license]
*/
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URI;
import java.nio.charset.Charset;
import org.codehaus.plexus.util.IOUtil;
import org.eluder.coveralls.maven.plugin.domain.Source;
public abstract class AbstractSourceLoader implements SourceLoader {
private final Charset sourceEncoding;
private final String directoryPrefix;
public AbstractSourceLoader(final URI base, final URI sourceBase, final String sourceEncoding) {
this.sourceEncoding = Charset.forName(sourceEncoding);
this.directoryPrefix = base.relativize(sourceBase).toString();
}
@Override
public Source load(final String sourceFile) throws IOException {
InputStream stream = locate(sourceFile);
if (stream != null) {
InputStreamReader reader = new InputStreamReader(stream, getSourceEncoding());
try {
String source = IOUtil.toString(reader);
return new Source(getFileName(sourceFile), source);
} finally {
IOUtil.close(reader);
}
} else {
return null;
}
}
protected Charset getSourceEncoding() {
return sourceEncoding;
}
protected String getFileName(final String sourceFile) {
return directoryPrefix + sourceFile;
}
protected abstract InputStream locate(String sourceFile) throws IOException;
}