org.jboss.aesh.edit.actions.DeleteAction Maven / Gradle / Ivy

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Infinispan CLI All-in-One module

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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2014 Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the @authors tag. All rights reserved.
 * See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * Licensed 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.jboss.aesh.edit.actions;

/**
 * @author Ståle W. Pedersen 
 */
public class DeleteAction extends EditAction {

    private boolean backspace = false;

    public DeleteAction(int start, Action action) {
        super(start, action);
    }

    public DeleteAction(int start, Action action, boolean backspace) {
        super(start, action);
        this.backspace = backspace;
    }

    @Override
    public void doAction(String buffer) {
        if(backspace) {
            if(getStart() == 0)
                setEnd(0);
            else
                setEnd(getStart()-1);
        }
        else {
            if(buffer.length() <= getStart())
                setEnd(getStart());
            else
                setEnd(getStart()+1);
        }
    }
}