package org.revapi.ant;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.annotation.Nonnull;
import org.apache.tools.ant.DirectoryScanner;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.FileSet;
import org.revapi.Archive;
/**
* @author Lukas Krejci
* @since 0.2
*/
final class FileArchive implements Archive {
public static FileArchive[] from(FileSet fileSet) {
if (fileSet == null) {
return new FileArchive[0];
}
File[] files = scanFileSet(fileSet);
FileArchive[] ret = new FileArchive[files.length];
for (int i = 0; i < files.length; ++i) {
ret[i] = new FileArchive(files[i]);
}
return ret;
}
private final File file;
FileArchive(File file) {
this.file = file;
}
@Nonnull
@Override
public String getName() {
return file.getName();
}
@Nonnull
@Override
public InputStream openStream() throws IOException {
return new FileInputStream(file);
}
private static File[] scanFileSet(FileSet fs) {
Project prj = fs.getProject();
DirectoryScanner scanner = fs.getDirectoryScanner(prj);
scanner.scan();
File basedir = scanner.getBasedir();
String[] fileNames = scanner.getIncludedFiles();
File[] ret = new File[fileNames.length];
for (int i = 0; i < fileNames.length; i++) {
String fileName = fileNames[i];
ret[i] = new File(basedir, fileName);
}
return ret;
}
}