/*
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* Created on Dec 11, 2007
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*/
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package com.codecommit.wicket;
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/**
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* @author Daniel Spiewak
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*/
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public enum ChartDataEncoding {
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SIMPLE("s", "", ",") {
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CharSequence convert(double value, double max) {
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if (value < 0) {
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return "_";
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}
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value = Math.round((CHARS.length() - 1) * value / max);
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if (value > CHARS.length() - 1) {
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throw new IllegalArgumentException(value + " is out of range for SIMPLE encoding");
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}
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return Character.toString(CHARS.charAt((int) value));
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}
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},
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TEXT("t", ",", "|") {
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CharSequence convert(double value, double max) {
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if (value < 0) {
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value = -1;
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}
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if (value > 100) {
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throw new IllegalArgumentException(value + " is out of range for TEXT encoding");
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}
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return Double.toString(value);
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}
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},
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EXTENDED("e", "", ",") {
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CharSequence convert(double value, double max) {
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if (value < 0) {
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return "__";
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}
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value = Math.round(value);
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if (value > (EXT_CHARS.length() - 1) * (EXT_CHARS.length() - 1)) {
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throw new IllegalArgumentException(value + " is out of range for EXTENDED encoding");
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}
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int rem = (int) (value % EXT_CHARS.length());
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int exp = (int) (value / EXT_CHARS.length());
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return new StringBuilder().append(EXT_CHARS.charAt(exp)).append(EXT_CHARS.charAt(rem));
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}
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};
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private static final String CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
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private static final String EXT_CHARS = CHARS + "-_.";
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private final String rendering, valueSeparator, setSeparator;
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private ChartDataEncoding(String rendering, String valueSeparator, String setSeparator) {
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this.rendering = rendering;
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this.valueSeparator = valueSeparator;
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this.setSeparator = setSeparator;
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}
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public String getRendering() {
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return rendering;
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}
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public String getValueSeparator() {
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return valueSeparator;
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}
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public String getSetSeparator() {
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return setSeparator;
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}
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abstract CharSequence convert(double value, double max);
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}
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