| /* |
| * 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.guacamole.io; |
| |
| |
| import java.io.IOException; |
| import java.io.Writer; |
| import java.net.SocketException; |
| import java.net.SocketTimeoutException; |
| import org.apache.guacamole.GuacamoleConnectionClosedException; |
| import org.apache.guacamole.GuacamoleException; |
| import org.apache.guacamole.GuacamoleServerException; |
| import org.apache.guacamole.GuacamoleUpstreamTimeoutException; |
| import org.apache.guacamole.protocol.GuacamoleInstruction; |
| |
| /** |
| * A GuacamoleWriter which wraps a standard Java Writer, using that Writer as |
| * the Guacamole instruction stream. |
| */ |
| public class WriterGuacamoleWriter implements GuacamoleWriter { |
| |
| /** |
| * Wrapped Writer to be used for all output. |
| */ |
| private Writer output; |
| |
| /** |
| * Creates a new WriterGuacamoleWriter which will use the given Writer as |
| * the Guacamole instruction stream. |
| * |
| * @param output The Writer to use as the Guacamole instruction stream. |
| */ |
| public WriterGuacamoleWriter(Writer output) { |
| this.output = output; |
| } |
| |
| @Override |
| public void write(char[] chunk, int off, int len) throws GuacamoleException { |
| try { |
| output.write(chunk, off, len); |
| output.flush(); |
| } |
| catch (SocketTimeoutException e) { |
| throw new GuacamoleUpstreamTimeoutException("Connection to guacd timed out.", e); |
| } |
| catch (SocketException e) { |
| throw new GuacamoleConnectionClosedException("Connection to guacd is closed.", e); |
| } |
| catch (IOException e) { |
| throw new GuacamoleServerException(e); |
| } |
| } |
| |
| @Override |
| public void write(char[] chunk) throws GuacamoleException { |
| write(chunk, 0, chunk.length); |
| } |
| |
| @Override |
| public void writeInstruction(GuacamoleInstruction instruction) throws GuacamoleException { |
| write(instruction.toString().toCharArray()); |
| } |
| |
| } |