Java拓扑图开发-带宽示例

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我是靠谱客的博主轻松秋天，最近开发中收集的这篇文章主要介绍Java拓扑图开发-带宽示例，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

/**
* 区域图表
*
* @author Administrator
*
*/
public class AreaChart extends JComponent {
public AreaChart() {
}
@Override
protected void paintComponent(Graphics g) {
Graphics2D g2d = (Graphics2D) g;
int width = this.getWidth();
int height = this.getHeight();
g2d.setColor(this.background);
g2d.fillRect(0, 0, width, height);
double gridCellWidth = width * this.gridCellPercent;
double gridCellHeight = height * this.gridCellPercent;
g2d.setColor(this.gridColor);
g2d.setStroke(this.gridStroke);
for (int x = 0; x < width; x += gridCellWidth) {
g2d.drawLine(x, 0, x, height);
}
for (int y = 0; y < height; y += gridCellHeight) {
g2d.drawLine(0, y, width, y);
}
double x = 0;
double y = height;
final double delta = this.maxValue - this.minValue;
GeneralPath path = new GeneralPath();
path.moveTo(x, y);
for (int index = 0; index < this.values.size(); index++) {
double value = this.values.get(index);
x += gridCellWidth;
y = height - (value - this.minValue) / delta * height;
path.lineTo(x, y);
}
path.lineTo(width, height);
path.closePath();
g2d.setColor(this.areaColor);
g2d.fill(path);
}
public void setBackground(Color background) {
this.background = background;
}
public void addValue(double value) {
if (this.values.size() >= maxCount) {
this.values.remove(0);
}
if (this.maxValue < value) {
this.maxValue = value;
}
if (this.minValue > value) {
this.minValue = value;
}
this.values.add(value);
}
public void setValues(List<Double> values) {
this.values = values;
for (int index = 0; index < values.size(); index++) {
double value = values.get(index);
if (this.maxValue < value) {
this.maxValue = value;
}
if (this.minValue > value) {
this.minValue = value;
}
}
}
public void setDrawGrid(boolean drawGrid) {
this.drawGrid = drawGrid;
}
public void setGridColor(Color gridColor) {
this.gridColor = gridColor;
}
public void setAreaColor(Color areaColor) {
this.areaColor = areaColor;
}
public void setGridCellPercent(double gridCellPercent) {
this.gridCellPercent = gridCellPercent;
}
/**
* 背景色
*/
Color background = Color.DARK_GRAY;
/**
* 面积色
*/
Color areaColor = Color.green;
/**
* 网格颜色
*/
Color gridColor = Color.LIGHT_GRAY;
/**
* 绘制网格
*/
boolean drawGrid = true;
/**
* 网格大小
*/
double gridCellPercent = 0.1;
/**
*
*/
Stroke gridStroke = new BasicStroke(1);
/**
* 值
*/
List<Double> values = new ArrayList<Double>();
/**
* 最大数量
*/
int maxCount = 10;
/**
* 最大值
*/
double maxValue = Double.MIN_VALUE;
/**
* 最小值
*/
double minValue = Double.MAX_VALUE;
}

void init() {
NetworkNode Phoenix = new NetworkNode("Phoenix", NetworkNode.Type.BSC_Image);
Phoenix.setName("Phoenix");
addNetNode(box, Phoenix, 332654, 1120424);
NetworkNode Los_Angeles = new NetworkNode("Los Angeles", NetworkNode.Type.Terminal);
Los_Angeles.setName("Los Angeles");
addNetNode(box, Los_Angeles, 340308, 1181434);
NetworkNode San_Francisco = new NetworkNode("San Francisco", NetworkNode.Type.MSC_Image);
San_Francisco.setName("San Francisco");
addNetNode(box, San_Francisco, 374630, 1222506);
NetworkNode Denver = new NetworkNode("Denver", NetworkNode.Type.NMW_Image);
Denver.setName("Denver");
addNetNode(box, Denver, 394421, 1045903);
NetworkNode Jacksonville = new NetworkNode("Jacksonville", NetworkNode.Type.MSC_Image);
Jacksonville.setName("Jacksonville");
addNetNode(box, Jacksonville, 301955, 813921);
NetworkNode Chicago = new NetworkNode("Chicago", NetworkNode.Type.Router);
Chicago.setName("Chicago");
addNetNode(box, Chicago, 415100, 873900);
NetworkNode New_Orleans = new NetworkNode("New Orleans", NetworkNode.Type.Server);
New_Orleans.setName("New Orleans");
addNetNode(box, New_Orleans, 295716, 900430);
NetworkNode Detroit = new NetworkNode("Detroit", NetworkNode.Type.Terminal);
Detroit.setName("Detroit");
addNetNode(box, Detroit, 421953, 830245);
NetworkNode Kansas_City = new NetworkNode("Kansas City", NetworkNode.Type.Terminal);
Kansas_City.setName("Kansas City");
addNetNode(box, Kansas_City, 390559, 943442);
NetworkNode Charlotte = new NetworkNode("Charlotte", NetworkNode.Type.MD);
Charlotte.setName("Charlotte");
addNetNode(box, Charlotte, 351337, 805036);
NetworkNode Albuquerque = new NetworkNode("Albuquerque", NetworkNode.Type.BSC_Image);
Albuquerque.setName("Albuquerque");
addNetNode(box, Albuquerque, 350504, 1063902);
NetworkNode New_York = new NetworkNode("New York", NetworkNode.Type.BSC_Image);
New_York.setName("New York");
addNetNode(box, New_York, 404251, 740023);
NetworkNode Memphis = new NetworkNode("Memphis", NetworkNode.Type.MD_Image);
Memphis.setName("Memphis");
addNetNode(box, Memphis, 350858, 900256);
NetworkNode Nashville = new NetworkNode("Nashville", NetworkNode.Type.BSC_Image);
Nashville.setName("Nashville");
addNetNode(box, Nashville, 360957, 864704);
NetworkNode Dallas = new NetworkNode("Dallas", NetworkNode.Type.MSC_Image);
Dallas.setName("Dallas");
addNetNode(box, Dallas, 324700, 964800);
NetworkNode El_Paso = new NetworkNode("El Paso", NetworkNode.Type.NMW_Image);
El_Paso.setName("El Paso");
addNetNode(box, El_Paso, 314531, 1062911);
NetworkNode Houston = new NetworkNode("Houston", NetworkNode.Type.Terminal);
Houston.setName("Houston");
addNetNode(box, Houston, 294547, 952147);
NetworkNode San_Antonio = new NetworkNode("San Antonio", NetworkNode.Type.Terminal);
San_Antonio.setName("San Antonio");
addNetNode(box, San_Antonio, 292526, 982936);
NetworkNode Virginia_Beach = new NetworkNode("Virginia Beach", NetworkNode.Type.Router);
Virginia_Beach.setName("Virginia Beach");
addNetNode(box, Virginia_Beach, 365110, 755842);
NetworkNode Seattle = new NetworkNode("Seattle", NetworkNode.Type.NMW_Image);
Seattle.setName("Seattle");
addNetNode(box, Seattle, 473623, 1221951);
addNetLink(box, NetworkLink.Media.Fiber, New_York, Virginia_Beach);
addNetLink(box, null, New_York, Detroit);
addNetLink(box, NetworkLink.Media.CNET, Charlotte, Virginia_Beach);
addNetLink(box, NetworkLink.Media.Electrical, Charlotte, Jacksonville);
addNetLink(box, NetworkLink.Media.Fiber, Charlotte, Nashville);
addNetLink(box, NetworkLink.Media.CNET, Memphis, Nashville);
addNetLink(box, NetworkLink.Media.Electrical, New_Orleans, Nashville);
addNetLink(box, NetworkLink.Media.Fiber, Jacksonville, Nashville);
addNetLink(box, null, Detroit, Chicago);
addNetLink(box, NetworkLink.Media.CNET, Memphis, Chicago);
addNetLink(box, NetworkLink.Media.Electrical, Kansas_City, Chicago);
addNetLink(box, NetworkLink.Media.Fiber, Memphis, Dallas);
addNetLink(box, NetworkLink.Media.CNET, Kansas_City, Dallas);
addNetLink(box, NetworkLink.Media.Electrical, San_Antonio, Dallas);
addNetLink(box, NetworkLink.Media.Fiber, Houston, Dallas);
addNetLink(box, NetworkLink.Media.CNET, Denver, Dallas);
addNetLink(box, NetworkLink.Media.Electrical, Albuquerque, Dallas);
addNetLink(box, NetworkLink.Media.Fiber, Albuquerque, Denver);
addNetLink(box, null, Albuquerque, El_Paso);
addNetLink(box, NetworkLink.Media.Electrical, Albuquerque, Phoenix);
addNetLink(box, null, Los_Angeles, Phoenix);
addNetLink(box, NetworkLink.Media.CNET, San_Francisco, Phoenix);
addNetLink(box, NetworkLink.Media.Fiber, Seattle, San_Francisco);
addNetLink(box, null, Seattle, Denver);
addNetLink(box, NetworkLink.Media.CNET, San_Francisco, Denver);
network.setBackground(new ImageBackground("/demo/resource/images/us_map.png"));
}

设置节点样式
node.putLabelColor(Color.lightGray);
node.addAttachment("areachart");
List<Double> values = new ArrayList<Double>();
for (int index = 1; index < 10; index++) {
values.add(1.0 * BladeUtil.getRandomInt(100));
}
node.putAttachmentXOffset(-15);
node.putAttachmentPosition(BladeConst.POSITION_TOPLEFT);
node.putAttachmentProperty("areachart", "values", values);
node.putAttachmentProperty("areachart", "background", Color.black);
node.putAttachmentProperty("areachart", "gridcolor", Color.white);
node.putAttachmentProperty("areachart", "areacolor", Color.red);
node.putAttachmentProperty("areachart", "gridcellpercent", 0.25);