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add charset examples

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This commit is contained in:
DOHA 2015-03-09 13:59:19 +02:00
parent a8d31ab9de
commit 2cb4c2d44e
1 changed files with 41 additions and 1 deletions
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42
core-java/src/test/java/org/baeldung/java/io/JavaReaderToXUnitTest.java
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@ -9,6 +9,7 @@ import java.io.Reader;
import java.io.StringReader; import java.io.StringReader;
import java.io.Writer; import java.io.Writer;
import java.nio.charset.Charset; import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import org.apache.commons.io.FileUtils; import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils; import org.apache.commons.io.IOUtils;
@ -17,6 +18,7 @@ import org.junit.Test;
import org.slf4j.Logger; import org.slf4j.Logger;
import org.slf4j.LoggerFactory; import org.slf4j.LoggerFactory;
import com.google.common.base.Charsets;
import com.google.common.io.CharSink; import com.google.common.io.CharSink;
import com.google.common.io.CharSource; import com.google.common.io.CharSource;
import com.google.common.io.CharStreams; import com.google.common.io.CharStreams;
@ -179,7 +181,45 @@ public class JavaReaderToXUnitTest {
public void givenUsingCommonsIO_whenConvertingReaderIntoInputStream() throws IOException { public void givenUsingCommonsIO_whenConvertingReaderIntoInputStream() throws IOException {
final Reader initialReader = new StringReader("With Commons IO"); final Reader initialReader = new StringReader("With Commons IO");
final InputStream targetStream = IOUtils.toInputStream(initialReader.toString()); final InputStream targetStream = IOUtils.toInputStream(IOUtils.toString(initialReader));
initialReader.close();
targetStream.close();
}
// tests - Reader to InputStream with encoding
@Test
public void givenUsingPlainJava_whenConvertingReaderIntoInputStreamWithCharset_thenCorrect() throws IOException {
final Reader initialReader = new StringReader("With Java");
final char[] charBuffer = new char[8 * 1024];
final StringBuilder builder = new StringBuilder();
int numCharsRead;
while ((numCharsRead = initialReader.read(charBuffer, 0, charBuffer.length)) != -1) {
builder.append(charBuffer, 0, numCharsRead);
}
final InputStream targetStream = new ByteArrayInputStream(builder.toString().getBytes(StandardCharsets.UTF_8));
initialReader.close();
targetStream.close();
}
@Test
public void givenUsingGuava_whenConvertingReaderIntoInputStreamWithCharset_thenCorrect() throws IOException {
final Reader initialReader = new StringReader("With Guava");
final InputStream targetStream = new ByteArrayInputStream(CharStreams.toString(initialReader).getBytes(Charsets.UTF_8));
initialReader.close();
targetStream.close();
}
@Test
public void givenUsingCommonsIO_whenConvertingReaderIntoInputStreamWithEncoding() throws IOException {
final Reader initialReader = new StringReader("With Commons IO");
final InputStream targetStream = IOUtils.toInputStream(IOUtils.toString(initialReader), Charsets.UTF_8);
initialReader.close(); initialReader.close();
targetStream.close(); targetStream.close();