package org.baeldung.java.io;
import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
import org.apache.commons.io.output.StringBuilderWriter;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.io.CharSink;
public class JavaXToWriterUnitTest {
protected final Logger logger = LoggerFactory.getLogger(getClass());
// tests - byte[] to Writer
@Test
public void givenPlainJava_whenConvertingByteArrayIntoWriter_thenCorrect() throws IOException {
final byte[] initialArray = "With Java".getBytes();
final Writer targetWriter = new StringWriter().append(new String(initialArray));
targetWriter.close();
}
@Test
public void givenUsingGuava_whenConvertingByteArrayIntoWriter_thenCorrect() throws IOException {
final byte[] initialArray = "With Guava".getBytes();
final String buffer = new String(initialArray);
final StringWriter stringWriter = new StringWriter();
final CharSink charSink = new CharSink() {
@Override
public final Writer openStream() throws IOException {
return stringWriter;
}
};
charSink.write(buffer);
stringWriter.close();
}
@Test
public void givenUsingCommonsIO_whenConvertingByteArrayIntoWriter_thenCorrect() throws IOException {
final byte[] initialArray = "With Commons IO".getBytes();
final Writer targetWriter = new StringBuilderWriter(new StringBuilder(new String(initialArray)));
targetWriter.close();
}
}