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.term;
021
022 public abstract class TermEvent {
023
024 public static Complete complete(CharSequence line) {
025 return new Complete(line);
026 }
027
028 public static Close close() {
029 return Close.INSTANCE;
030 }
031
032 public static ReadLine readLine(CharSequence line) {
033 return new ReadLine(line);
034 }
035
036 public static Break brk() {
037 return Break.INSTANCE;
038 }
039
040 private TermEvent() {
041 }
042
043 @Override
044 public String toString() {
045 return getClass().getSimpleName() + "[]";
046 }
047
048 /**
049 * Signals a control-break.
050 */
051 public static class Close extends TermEvent {
052
053 /** . */
054 private static final Close INSTANCE = new Close();
055
056 private Close() {
057 }
058 }
059
060 /**
061 * Signals a control-break.
062 */
063 public static class Break extends TermEvent {
064
065 /** . */
066 private static final Break INSTANCE = new Break();
067
068 private Break() {
069 }
070 }
071
072 /**
073 * Signals the completion of a text line.
074 */
075 public static class Complete extends TermEvent {
076
077 /** The line to be completed. */
078 private CharSequence line;
079
080 private Complete(CharSequence line) {
081 this.line = line;
082 }
083
084 public CharSequence getLine() {
085 return line;
086 }
087
088 @Override
089 public String toString() {
090 return "Complete[line=" + line + "]";
091 }
092 }
093
094 /**
095 * Signals a line was submitted for processing.
096 */
097 public static class ReadLine extends TermEvent {
098
099 /** . */
100 private final CharSequence line;
101
102 private ReadLine(CharSequence line) {
103 this.line = line;
104 }
105
106 public CharSequence getLine() {
107 return line;
108 }
109
110 @Override
111 public String toString() {
112 return "ReadLine[line=" + line + "]";
113 }
114 }
115 }