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1
32
33 package it.businesslogic.ireport.chart;
34 import java.util.*;
35 import java.awt.*;
36
40 public abstract class ChartFactory {
41
42 static public java.awt.Image  drawChart(String [] parameters, it.businesslogic.ireport.IReportScriptlet scriptlet)
43 {
44
45 return null;
46 }
47
48
49 protected static int getParameterAsInteger(String name, java.util.Properties props, int defaultValue)
50 {
51 String val = props.getProperty(name, ""+defaultValue);
52 try {
53 return Integer.parseInt(val);
54 } catch (Exception ex) { }
55 return defaultValue;
56 }
57
58 protected static double getParameterAsDouble(String name, java.util.Properties props, double defaultValue)
59 {
60 String val = props.getProperty(name, ""+defaultValue);
61 try {
62 return Double.parseDouble(val);
63 } catch (Exception ex) { }
64 return defaultValue;
65 }
66
67
68 protected static boolean getParameterAsBoolean(String name, java.util.Properties props, boolean defaultValue)
69 {
70 String val = props.getProperty(name, ""+defaultValue);
71 try {
72 return val.toUpperCase().equals("TRUE"); } catch (Exception ex) { }
74 return defaultValue;
75 }
76
77 protected static java.awt.Color getParameterAsColor(String name, java.util.Properties props, java.awt.Color defaultValue)
78 {
79 String val = props.getProperty(name,"");
80 try {
81
82 java.awt.Color c = parseColorString(val);
83 if (c != null) return c;
84
85 } catch (Exception ex) { }
86 return defaultValue;
87 }
88
89 protected static java.util.Vector getSeries(String name, java.util.Properties props, it.businesslogic.ireport.IReportScriptlet scriptlet)
90 {
91
92 if (scriptlet == null)
93 {
94 Vector v = new Vector();
95 v.add(new Double (1));
96 v.add(new Double (5));
97 v.add(new Double (3));
98 v.add(new Double (8));
99 v.add(new Double (3));
100 v.add(new Double (5));
101 v.add(new Double (1));
102 v.add(new Double (7));
103 v.add(new Double (6));
104 v.add(new Double (9));
105
106 return v;
107 }
108 if (!props.containsKey( name ) ) return new Vector();
109 String varName = (String )props.getProperty(name);
110
111
112 return scriptlet.getSerie( varName );
113 }
114
115 public static java.awt.Color parseColorString(String newValue)
116 {
117 if (newValue == null) return null;
118
119 newValue = newValue.trim();
120 if (!newValue.startsWith("[") || !newValue.endsWith("]"))
121 {
122 return null;
123 }
124
125 int r = 0;
126 int g = 0;
127 int b = 0;
128 String rgbValues = newValue.substring(1,newValue.length()-1);
129 try {
130
131 StringTokenizer st = new StringTokenizer(rgbValues, ",",false);
132 r = Integer.parseInt( st.nextToken() );
133 g = Integer.parseInt( st.nextToken() );
134 b = Integer.parseInt( st.nextToken() );
135 } catch (Exception ex) { return null; }
136
137 Color c = new Color(r,g,b);
138 return c;
139
140 }
141 }
142 |
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