/*
* Copyright (C) 2012 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.crsh.shell;
import java.io.Serializable;
import java.util.Collections;
public abstract class ShellResponse implements Serializable {
public static UnknownCommand unknownCommand(String name) {
return new UnknownCommand(name);
}
public static NoCommand noCommand() {
return NoCommand.INSTANCE;
}
public static Ok ok(Iterable<?> produced) {
return new Ok(produced);
}
public static Ok ok() {
return new Ok();
}
public static Error evalError(String msg, Throwable throwable) {
return new Error(ErrorKind.EVALUATION, msg, throwable);
}
public static Error evalError(String msg) {
return new Error(ErrorKind.EVALUATION, msg);
}
public static Error internalError(String msg, Throwable throwable) {
return new Error(ErrorKind.INTERNAL, msg, throwable);
}
public static Error internalError(String msg) {
return new Error(ErrorKind.INTERNAL, msg);
}
public static Error error(ErrorKind type, String msg, Throwable throwable) {
return new Error(type, msg, throwable);
}
public static Error error(ErrorKind type, String msg) {
return new Error(type, msg);
}
public static Cancelled cancelled() {
return Cancelled.INSTANCE;
}
public static Close close() {
return Close.INSTANCE;
}
public abstract String getMessage();
public static class UnknownCommand extends ShellResponse {
/** . */
private final String name;
private UnknownCommand(String name) {
this.name = name;
}
public String getName() {
return name;
}
@Override
public String getMessage() {
return name + ": command not found";
}
@Override
public String toString() {
return "UnknownCommand[" + name + "]";
}
}
public static class NoCommand extends ShellResponse {
/** . */
private static final NoCommand INSTANCE = new NoCommand();
private NoCommand() {
}
@Override
public String getMessage() {
return "";
}
}
public static class Close extends ShellResponse {
/** . */
private static final Close INSTANCE = new Close();
private Close() {
}
@Override
public String getMessage() {
return "Have a good day!\r\n";
}
}
/**
* Command execution is terminated.
*/
public static class Ok extends ShellResponse {
/** . */
private final transient Iterable<?> produced;
private Ok() {
this(Collections.<Object>emptyList());
}
private Ok(Iterable<?> produced) {
this.produced = produced;
}
public Iterable<?> getProduced() {
return produced;
}
@Override
public String getMessage() {
return "";
}
}
public static class Cancelled extends ShellResponse {
/** . */
private static final Cancelled INSTANCE = new Cancelled();
private Cancelled() {
}
@Override
public String getMessage() {
return "";
}
}
public static class Error extends ShellResponse {
/** . */
private final ErrorKind kind;
/** The throwable. */
private final Throwable throwable;
/** . */
private final String msg;
private Error(ErrorKind kind, String msg) {
this.kind = kind;
this.msg = msg;
this.throwable = null;
}
private Error(ErrorKind kind, String msg, Throwable throwable) {
this.kind = kind;
this.msg = msg;
this.throwable = throwable;
}
public ErrorKind getKind() {
return kind;
}
public Throwable getThrowable() {
return throwable;
}
@Override
public String getMessage() {
return msg;
}
public String toString() {
return "ShellResponse.Error[kind=" + kind + ",msg=" + msg + "]";
}
}
}