/*
|
* Copyright 2007 Daniel Spiewak.
|
* Copyright 2013 gitblit.com.
|
*
|
* 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 com.gitblit.wicket.charting;
|
|
/**
|
* This class is a pristine fork of org.wicketstuff.googlecharts.ChartDataEncoding
|
* to bring the package-protected convert methods to SecureChart.
|
*
|
* @author Daniel Spiewak
|
*/
|
public enum SecureChartDataEncoding {
|
|
SIMPLE("s", "", ",") {
|
|
@Override
|
CharSequence convert(double value, double max) {
|
if (value < 0) {
|
return "_";
|
}
|
|
value = Math.round((CHARS.length() - 1) * value / max);
|
|
if (value > CHARS.length() - 1) {
|
throw new IllegalArgumentException(value + " is out of range for SIMPLE encoding");
|
}
|
|
return Character.toString(CHARS.charAt((int) value));
|
}
|
},
|
TEXT("t", ",", "|") {
|
|
@Override
|
CharSequence convert(double value, double max) {
|
if (value < 0) {
|
value = -1;
|
}
|
|
if (value > 100) {
|
throw new IllegalArgumentException(value + " is out of range for TEXT encoding");
|
}
|
|
return Double.toString(value);
|
}
|
},
|
EXTENDED("e", "", ",") {
|
|
@Override
|
CharSequence convert(double value, double max) {
|
if (value < 0) {
|
return "__";
|
}
|
|
value = Math.round(value);
|
|
if (value > (EXT_CHARS.length() - 1) * (EXT_CHARS.length() - 1)) {
|
throw new IllegalArgumentException(value + " is out of range for EXTENDED encoding");
|
}
|
|
int rem = (int) (value % EXT_CHARS.length());
|
int exp = (int) (value / EXT_CHARS.length());
|
|
return new StringBuilder().append(EXT_CHARS.charAt(exp)).append(EXT_CHARS.charAt(rem));
|
}
|
};
|
private static final String CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
|
private static final String EXT_CHARS = CHARS + "-_.";
|
private final String rendering, valueSeparator, setSeparator;
|
|
private SecureChartDataEncoding(String rendering, String valueSeparator, String setSeparator) {
|
this.rendering = rendering;
|
this.valueSeparator = valueSeparator;
|
this.setSeparator = setSeparator;
|
}
|
|
public String getRendering() {
|
return rendering;
|
}
|
|
public String getValueSeparator() {
|
return valueSeparator;
|
}
|
|
public String getSetSeparator() {
|
return setSeparator;
|
}
|
|
abstract CharSequence convert(double value, double max);
|
}
|
