1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
package org.mule.module.launcher; |
8 | |
|
9 | |
import org.mule.util.StringUtils; |
10 | |
|
11 | |
import java.util.LinkedList; |
12 | |
import java.util.List; |
13 | |
|
14 | |
|
15 | |
|
16 | |
|
17 | 0 | public class SimpleLoggingTable |
18 | |
{ |
19 | 0 | protected static final String NEW_LINE = String.format("%n"); |
20 | |
private static final char SEPARATOR_CHAR = '*'; |
21 | |
|
22 | 0 | private List<TableColumn> columns = new LinkedList<TableColumn>(); |
23 | 0 | private final List<String[]> data = new LinkedList<String[]>(); |
24 | |
private int width; |
25 | |
|
26 | |
|
27 | |
|
28 | |
|
29 | |
|
30 | |
|
31 | |
|
32 | |
public void addColumn(String title, int size) |
33 | |
{ |
34 | 0 | columns.add(new TableColumn(title, size)); |
35 | 0 | width = calculateTableWidth(); |
36 | 0 | } |
37 | |
|
38 | |
|
39 | |
|
40 | |
|
41 | |
|
42 | |
|
43 | |
|
44 | |
public void addDataRow(String[] dataRow) |
45 | |
{ |
46 | 0 | if (dataRow.length != columns.size()) |
47 | |
{ |
48 | 0 | throw new IllegalArgumentException("Data does not contain enough elements"); |
49 | |
} |
50 | |
|
51 | 0 | data.add(dataRow.clone()); |
52 | 0 | } |
53 | |
|
54 | |
@Override |
55 | |
public String toString() |
56 | |
{ |
57 | 0 | StringBuilder builder = new StringBuilder(); |
58 | |
|
59 | 0 | addHeaders(builder); |
60 | |
|
61 | 0 | addRows(builder); |
62 | |
|
63 | 0 | return builder.toString(); |
64 | |
} |
65 | |
|
66 | |
private void addHeaders(StringBuilder builder) |
67 | |
{ |
68 | 0 | addSeparatorLine(builder); |
69 | |
|
70 | 0 | for (TableColumn column : columns) |
71 | |
{ |
72 | 0 | builder.append(String.format("%c %s ", SEPARATOR_CHAR, formatHeaderValue(column.name, column.width))); |
73 | |
} |
74 | 0 | builder.append(SEPARATOR_CHAR).append(NEW_LINE); |
75 | |
|
76 | 0 | addSeparatorLine(builder); |
77 | 0 | } |
78 | |
|
79 | |
private void addRows(StringBuilder builder) |
80 | |
{ |
81 | 0 | for (String[] row : data) |
82 | |
{ |
83 | 0 | for (int i = 0; i < row.length; i++) |
84 | |
{ |
85 | 0 | builder.append(String.format("%c %s ", SEPARATOR_CHAR, formatValue(row[i], columns.get(i).width))); |
86 | |
} |
87 | 0 | builder.append(SEPARATOR_CHAR).append(NEW_LINE); |
88 | |
} |
89 | |
|
90 | 0 | addSeparatorLine(builder); |
91 | 0 | } |
92 | |
|
93 | |
private void addSeparatorLine(StringBuilder builder) |
94 | |
{ |
95 | 0 | builder.append(StringUtils.repeat(SEPARATOR_CHAR, width)); |
96 | 0 | builder.append(NEW_LINE); |
97 | 0 | } |
98 | |
|
99 | |
|
100 | |
|
101 | |
|
102 | |
|
103 | |
|
104 | |
|
105 | |
private int calculateTableWidth() |
106 | |
{ |
107 | 0 | int result = 0; |
108 | |
|
109 | 0 | for (TableColumn column : columns) |
110 | |
{ |
111 | |
|
112 | 0 | result = result + column.width + 3; |
113 | |
} |
114 | |
|
115 | |
|
116 | 0 | result++; |
117 | |
|
118 | 0 | return result; |
119 | |
} |
120 | |
|
121 | |
private String formatValue(String value, int size) |
122 | |
{ |
123 | 0 | String result = StringUtils.substring(value, 0, size); |
124 | 0 | result = StringUtils.rightPad(result, size, ' '); |
125 | |
|
126 | 0 | return result; |
127 | |
} |
128 | |
|
129 | |
private String formatHeaderValue(String value, int size) |
130 | |
{ |
131 | 0 | String result = StringUtils.substring(value, 0, size); |
132 | 0 | result = StringUtils.center(String.format("- - + %s + - -", result), size, ' '); |
133 | |
|
134 | 0 | return result; |
135 | |
} |
136 | |
|
137 | 0 | private class TableColumn |
138 | |
{ |
139 | |
|
140 | |
protected final String name; |
141 | |
protected final int width; |
142 | |
|
143 | |
public TableColumn(String name, int width) |
144 | 0 | { |
145 | 0 | this.name = name; |
146 | 0 | this.width = width; |
147 | 0 | } |
148 | |
} |
149 | |
} |