| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.felix.http.lightweight.servlet; |
| |
| import java.io.CharConversionException; |
| import java.io.OutputStream; |
| import java.io.PrintWriter; |
| import java.nio.charset.Charset; |
| |
| /** |
| * ServletPrintWriter encodes characters with supplied encoding specification. |
| * |
| */ |
| public class ServletPrintWriter extends PrintWriter |
| { |
| private final Charset charset; |
| |
| /** |
| * @param outputStream OutputStream |
| * @param characterEncoding character encoding |
| * @throws UnknownCharacterException if the character encoding is not supported. |
| */ |
| public ServletPrintWriter(OutputStream outputStream, String characterEncoding) throws CharConversionException |
| { |
| super(outputStream); |
| if (!Charset.isSupported(characterEncoding)) |
| { |
| throw new CharConversionException("Unsupported character encoding: " |
| + characterEncoding); |
| } |
| |
| this.charset = Charset.forName(characterEncoding); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.PrintWriter#print(java.lang.String) |
| */ |
| public void print(String s) |
| { |
| super.print(charset.encode(s).toString()); |
| } |
| } |