com.google.gwt.emul.java.io.OutputStreamWriter Maven / Gradle / Ivy
/*
* Copyright 2020 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package java.io;
import static javaemul.internal.InternalPreconditions.checkNotNull;
import java.nio.charset.Charset;
import javaemul.internal.EmulatedCharset;
/**
* See the
* official Java API doc for details.
*/
public class OutputStreamWriter extends Writer {
private final OutputStream out;
private final Charset charset;
public OutputStreamWriter(OutputStream out, String charsetName) {
this(out, Charset.forName(charsetName));
}
public OutputStreamWriter(OutputStream out, Charset charset) {
this.out = checkNotNull(out);
this.charset = checkNotNull(charset);
}
@Override
public void close() throws IOException {
out.close();
}
@Override
public void flush() throws IOException {
out.flush();
}
public String getEncoding() {
return charset.name();
}
@Override
public void write(char[] buffer, int offset, int count) throws IOException {
IOUtils.checkOffsetAndCount(buffer, offset, count);
byte[] byteBuffer = ((EmulatedCharset) charset).getBytes(buffer, offset, count);
out.write(byteBuffer, 0, byteBuffer.length);
}
}