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package com.github.javaparser;
import java.io.*;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Path;
import static com.github.javaparser.utils.Utils.assertNotNull;
/**
* Factory for providers of source code for JavaParser.
* Providers that have no parameter for encoding but need it will use UTF-8.
*/
public final class Providers {
public static final Charset UTF8 = Charset.forName("utf-8");
private Providers() {
}
public static Provider provider(Reader reader) {
return new StreamProvider(assertNotNull(reader));
}
public static Provider provider(InputStream input, Charset encoding) {
assertNotNull(input);
assertNotNull(encoding);
try {
return new StreamProvider(input, encoding.name());
} catch (IOException e) {
// The only one that is thrown is UnsupportedCharacterEncodingException,
// and that's a fundamental problem, so runtime exception.
throw new RuntimeException(e);
}
}
public static Provider provider(InputStream input) {
return provider(input, UTF8);
}
public static Provider provider(File file, Charset encoding) throws FileNotFoundException {
return provider(new FileInputStream(assertNotNull(file)), assertNotNull(encoding));
}
public static Provider provider(File file) throws FileNotFoundException {
return provider(assertNotNull(file), UTF8);
}
public static Provider provider(Path path, Charset encoding) throws IOException {
return provider(Files.newInputStream(assertNotNull(path)), assertNotNull(encoding));
}
public static Provider provider(Path path) throws IOException {
return provider(assertNotNull(path), UTF8);
}
public static Provider provider(String source) {
return new StringProvider(assertNotNull(source));
}
}
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