package com.dbxml.db.client.tools.command;
/*
* dbXML - Native XML Database
* Copyright (c) 1999-2006 The dbXML Group, L.L.C.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* $Id: DropBase.java,v 1.5 2006/02/02 18:53:46 bradford Exp $
*/
import java.io.PrintWriter;
import com.dbxml.db.client.CollectionClient;
import com.dbxml.db.client.tools.CommandLine;
import com.dbxml.util.dbXMLException;
/**
* DropBase serves as a base class for several removal Commands.
*/
public abstract class DropBase extends SingletonBase {
protected final String getArgumentName() {
return getType()+" name";
}
protected final void process(CollectionClient col, String argument) throws dbXMLException {
PrintWriter pw = cl.getWriter();
if ( cl.isPropertyTrue(CommandLine.CONFIRM) ) {
try {
String ans = cl.readLine("Delete " + getType() + " (y/N)? ");
if ( !ans.equalsIgnoreCase("yes") && !ans.equalsIgnoreCase("y") ) {
pw.println(getType() + " deletion canceled");
return;
}
}
catch ( Exception e ) {
throw new dbXMLException("Error obtaining answer");
}
}
if ( dropObject(col, argument) )
pw.println(getType() + " '" + argument + "' deleted");
else
pw.println(getType() + " '" + argument + "' not deleted");
}
protected abstract String getType();
protected abstract boolean dropObject(CollectionClient col, String name) throws dbXMLException;
}