001 /* 002 * Copyright (C) 2012 eXo Platform SAS. 003 * 004 * This is free software; you can redistribute it and/or modify it 005 * under the terms of the GNU Lesser General Public License as 006 * published by the Free Software Foundation; either version 2.1 of 007 * the License, or (at your option) any later version. 008 * 009 * This software is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * You should have received a copy of the GNU Lesser General Public 015 * License along with this software; if not, write to the Free 016 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 017 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 018 */ 019 020 package org.crsh.shell.impl.remoting; 021 022 import org.crsh.cli.impl.completion.CompletionMatch; 023 import org.crsh.shell.ErrorKind; 024 import org.crsh.shell.ShellResponse; 025 026 import java.io.IOException; 027 import java.io.ObjectInputStream; 028 import java.io.ObjectOutputStream; 029 import java.io.Serializable; 030 031 public class ServerMessage implements Serializable { 032 033 public static class Welcome extends ServerMessage { 034 035 /** . */ 036 public final String value; 037 038 public Welcome(String value) { 039 this.value = value; 040 } 041 } 042 043 public static class Prompt extends ServerMessage { 044 045 /** . */ 046 public final String value; 047 048 public Prompt(String value) { 049 this.value = value; 050 } 051 } 052 053 public static class Completion extends ServerMessage { 054 055 /** . */ 056 public final CompletionMatch value; 057 058 public Completion(CompletionMatch value) { 059 this.value = value; 060 } 061 } 062 063 public static class UseMainBuffer extends ServerMessage { 064 065 } 066 067 public static class UseAlternateBuffer extends ServerMessage { 068 069 } 070 071 public static class GetSize extends ServerMessage { 072 073 } 074 075 public static class ReadLine extends ServerMessage { 076 077 } 078 079 public static abstract class Chunk extends ServerMessage { 080 081 public static class Text extends Chunk { 082 083 /** . */ 084 public final CharSequence payload; 085 086 public Text(CharSequence payload) { 087 this.payload = payload; 088 } 089 } 090 091 public static class Style extends Chunk { 092 093 /** . */ 094 public final org.crsh.text.Style payload; 095 096 public Style(org.crsh.text.Style payload) { 097 this.payload = payload; 098 } 099 } 100 101 public static class Cls extends Chunk { 102 103 public Cls() { 104 } 105 } 106 } 107 108 public static class Flush extends ServerMessage { 109 } 110 111 112 113 public static class End extends ServerMessage { 114 115 /** . */ 116 public ShellResponse response; 117 118 public End(ShellResponse response) { 119 if (response == null) { 120 throw new NullPointerException("No null response accepted"); 121 } 122 123 // 124 this.response = response; 125 } 126 127 private void writeObject(ObjectOutputStream oos) throws IOException { 128 if (response instanceof ShellResponse.Error) { 129 oos.writeBoolean(false); 130 ShellResponse.Error error = (ShellResponse.Error)response; 131 oos.writeObject(error.getKind()); 132 oos.writeObject(error.getMessage()); 133 oos.writeObject(error.getThrowable().getMessage()); 134 oos.writeObject(error.getThrowable().getStackTrace()); 135 } else { 136 oos.writeBoolean(true); 137 oos.writeObject(response); 138 } 139 } 140 141 private void readObject(ObjectInputStream ois) throws IOException, ClassNotFoundException { 142 if (ois.readBoolean()) { 143 response = (ShellResponse)ois.readObject(); 144 } else { 145 ErrorKind type = (ErrorKind)ois.readObject(); 146 String message = (String)ois.readObject(); 147 String errorMessage = (String)ois.readObject(); 148 StackTraceElement[] errorTrace = (StackTraceElement[])ois.readObject(); 149 Exception ex = new Exception(errorMessage); 150 ex.setStackTrace(errorTrace); 151 response = ShellResponse.error(type, message, ex); 152 } 153 } 154 } 155 }