view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Calculation.java @ 2029:131842fc6581

Enable basicst area rendering in longitudinal section diagrams. flys-artifacts/trunk@3491 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 20 Dec 2011 11:30:00 +0000
parents c09c9e05ecfa
children 2898b1ff6013
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package de.intevation.flys.artifacts.model;

import org.w3c.dom.Document;
import org.w3c.dom.Element;

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

import java.io.Serializable;

import de.intevation.artifacts.CallMeta;

public class Calculation
implements   Serializable
{
    public static class Problem
    implements          Serializable
    {
        protected Double km;
        protected String msg;

        public Problem() {
        }

        public Problem(String msg) {
            this.msg = msg;
        }

        public Problem(double km, String msg) {
            this.km  = km;
            this.msg = msg;
        }

        public Element toXML(Document document, CallMeta meta) {
            // TODO: i18n
            Element problem = document.createElement("problem");
            if (km != null) {
                problem.setAttribute("km", String.valueOf(km));
            }
            problem.setTextContent(msg);
            return problem;
        }
    } // class Problem

    protected List<Problem> problems;

    public Calculation() {
    }

    public Calculation(String msg) {
        addProblem(msg);
    }

    protected List<Problem> checkProblems() {
        if (problems == null) {
            problems = new ArrayList<Problem>();
        }
        return problems;
    }

    public void addProblem(String msg) {
        checkProblems().add(new Problem(msg));
    }

    public void addProblem(double km, String msg) {
        checkProblems().add(new Problem(km, msg));
    }

    public boolean hasProblems() {
        return problems != null && !problems.isEmpty();
    }

    public int numProblems() {
        return problems != null ? problems.size() : 0;
    }

    public List<Problem> getProblems() {
        return problems;
    }

    public void toXML(Document document, CallMeta meta) {

        Element root = document.createElement("problems");

        if (hasProblems()) {
            for (Problem problem: problems) {
                root.appendChild(problem.toXML(document, meta));
            }
        }

        document.appendChild(root);
    }
}
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