private static boolean isAsciiAlphanumeric(String str) {
if (StringUtils.isEmpty(str)) {
return false;
}
int sz = str.length();
for (int i = 0; i < sz; i++) {
if (CharUtils.isAsciiAlphanumeric(str.charAt(i)) == false) {
return false;
}
}
return true;
}
protected static Queue<String> queueLinesForType(
EDIMessage ediMessage,
EDISegment segment,
Queue<String> lookAhead,
SegmentIterator SegmentIterator) {
Queue<String> segments = new LinkedList<String>();
while (SegmentIterator.hasNext()) {
String line = SegmentIterator.next();
StringTokenizer tokenizer =
new StringTokenizer(line, CharUtils.toString(ediMessage.elementDelimiter()));
String token = tokenizer.nextToken();
if (StringUtils.equals(segment.tag(), token)) {
segments.add(line);
} else {
lookAhead.add(line);
break;
}
}
return segments;
}
protected static FieldMatch advanceToMatch(
EDIMessage ediMessage, Iterator<Field> fieldIterator, String line) {
// advance the reader, read the line.
StringTokenizer tokenizer =
new StringTokenizer(line, CharUtils.toString(ediMessage.elementDelimiter()));
// first token is always the tag.
String ediSegmentTag = tokenizer.nextToken();
while (fieldIterator.hasNext()) {
Field field = fieldIterator.next();
if (matchesSegment(field, ediSegmentTag)) {
LOG.debug(
"SegmentMatch[" + ediSegmentTag + " -> " + field.getType().getName() + "] :: " + line);
return new FieldMatch(field, line);
}
if (LOG.isDebugEnabled()) {
LOG.debug("Field: " + field + " does not match: " + line);
}
}
return null;
}
/* (non-Javadoc)
* @see com.lily.dap.service.report2.impl.chart.ChartStrategy#outputChart(java.lang.String, int, int, java.util.Map, java.util.List, java.io.OutputStream)
*/
public void outputChart(
String type,
int height,
int width,
Map<String, String> paramMap,
Map<String, Object> variableMap,
List<Map<String, Object>> dataList,
OutputStream os)
throws IOException {
String nameField = ChartUtils.evaluateParam(paramMap.get("namefield"), variableMap);
String valueField = ChartUtils.evaluateParam(paramMap.get("valuefield"), variableMap);
DefaultPieDataset dataset = createDataset(dataList, nameField, valueField);
String title = ChartUtils.evaluateParam(paramMap.get("title"), variableMap);
boolean legend =
paramMap.get("legend") == null
? true
: "true"
.equals(
ChartUtils.evaluateParam(paramMap.get("legend"), variableMap).toLowerCase());
JFreeChart chart;
if (ChartConstants.TYPE_PIE3D.equals(type))
chart =
ChartFactory.createPieChart3D(
title, // 图表标题
dataset, // 数据集
legend, // 是否显示图例
false, // 是否生成工具
false // 是否生成URL链接
);
else
chart =
ChartFactory.createPieChart(
title, // 图表标题
dataset, // 数据集
legend, // 是否显示图例
false, // 是否生成工具
false // 是否生成URL链接
);
// 设置标题字体
if (chart.getTitle() != null) chart.getTitle().setFont(titleFont);
// 设置图例字体
if (chart.getLegend() != null) chart.getLegend().setItemFont(legendFont);
PiePlot pie = (PiePlot) chart.getPlot();
// if (pie instanceof PiePlot3D) {
// PiePlot3D pie3d = (PiePlot3D)pie;
// }
// 设置前景透明度
if (paramMap.get("foregroundAlpha") != null) {
float f =
Float.parseFloat(ChartUtils.evaluateParam(paramMap.get("foregroundAlpha"), variableMap));
pie.setForegroundAlpha(f);
}
// 设置标签的最大宽度
if (paramMap.get("maximumlabelwidth") != null) {
float f =
Float.parseFloat(
ChartUtils.evaluateParam(paramMap.get("maximumlabelwidth"), variableMap));
pie.setMaximumLabelWidth(f);
}
// 设置标饼上标签的标签字体
pie.setLabelFont(labelFont);
String labelFormat = paramMap.get("labelformat");
if (labelFormat != null) {
/*
* 因为labelformat参数可能包含{0}、{1}、{2}这样的字符串，所以要通过检查'{'后面跟的字符是不是数字，来判断labelformat参数是不是表达式
*/
int index = labelFormat.indexOf('{');
if (index >= 0) {
char ch = labelFormat.charAt(index + 1);
if (!CharUtils.isAsciiNumeric(ch))
labelFormat = ChartUtils.evaluateParam(labelFormat, variableMap);
}
// 设置饼上标签的显示格式，其中，0：数据名称，1：数据值，2：数据占整个百分比
StandardPieSectionLabelGenerator generator =
new StandardPieSectionLabelGenerator(labelFormat);
pie.setLabelGenerator(generator);
}
String legendformat = paramMap.get("legendformat");
if (legendformat != null) {
/*
* 因为legendformat参数可能包含{0}、{1}、{2}这样的字符串，所以要通过检查'{'后面跟的字符是不是数字，来判断legendformat参数是不是表达式
*/
int index = legendformat.indexOf('{');
if (index >= 0) {
char ch = legendformat.charAt(index + 1);
if (!CharUtils.isAsciiNumeric(ch))
legendformat = ChartUtils.evaluateParam(legendformat, variableMap);
}
// 设置饼上标签的显示格式，其中，0：数据名称，1：数据值，2：数据占整个百分比
StandardPieSectionLabelGenerator generator =
new StandardPieSectionLabelGenerator(legendformat);
pie.setLegendLabelGenerator(generator);
}
if (paramMap.get("color") != null) {
int index = 0;
String[] colGroups = ChartUtils.evaluateParam(paramMap.get("color"), variableMap).split(",");
for (String colVal : colGroups) {
Color color = ChartUtils.createColor(colVal.trim());
pie.setSectionPaint(index++, color);
}
}
// 设置饼图是圆形还是椭圆形
if (paramMap.get("circular") != null) {
boolean isCircular =
"true"
.equals(
ChartUtils.evaluateParam(paramMap.get("circular"), variableMap).toLowerCase());
pie.setCircular(isCircular);
}
ChartUtilities.writeChartAsJPEG(os, 1, chart, width, height, null);
}
