ApacheDirectiveStack.java

package org.rhq.plugins.apache.parser;

import java.util.ArrayList;
import java.util.List;

public class ApacheDirectiveStack {

    protected List<ApacheDirective> stack;

    public ApacheDirectiveStack() {
        stack = new ArrayList<ApacheDirective>();
    }

    public void addDirective(ApacheDirective dir) {
        stack.add(dir);
    }

    public ApacheDirective getLastDirective() {
        return stack.get(stack.size() - 1);
    }

    public void removeLastDirective() {
        stack.remove(stack.size() - 1);
    }

    public ApacheDirectiveStack copy() {
        ApacheDirectiveStack st = new ApacheDirectiveStack();
        for (ApacheDirective dir : stack) {
            st.addDirective(dir);
        }

        return st;
    }

    public boolean isEmpty() {
        if (stack.size() == 0)
            return true;
        else
            return false;
    }
}