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48 package org.pentaho.plugin.jfreereport.reportcharts;
49
50 import java.awt.Image  ;
51 import java.net.URL ;
52
53 import org.jfree.report.LocalImageContainer;
54 import org.jfree.report.URLImageContainer;
55
56
61 public class ChartImageContainer
62 implements URLImageContainer, LocalImageContainer
63 {
64 private static class ChartImageKey
65 {
66 private int row;
67 private String expressionName;
68
69 public ChartImageKey(final int row, final String expressionName)
70 {
71 this.row = row;
72 this.expressionName = expressionName;
73 }
74
75 public boolean equals(final Object o)
76 {
77 if (this == o)
78 {
79 return true;
80 }
81 if (o == null || getClass() != o.getClass())
82 {
83 return false;
84 }
85
86 final ChartImageKey that = (ChartImageKey) o;
87
88 if (row != that.row)
89 {
90 return false;
91 }
92 if (!expressionName.equals(that.expressionName))
93 {
94 return false;
95 }
96
97 return true;
98 }
99
100 public int hashCode()
101 {
102 int result;
103 result = row;
104 result = 29 * result + expressionName.hashCode();
105 return result;
106 }
107 }
108
109 private String target;
110 private Image image;
111 private int width;
112 private int height;
113 private ChartImageKey key;
114
115 public ChartImageContainer(final String target,
116 final Image image,
117 final int width,
118 final int height,
119 final int row,
120 final String keyName)
121 {
122 if (target == null)
123 {
124 throw new NullPointerException ();
125 }
126 if (image == null)
127 {
128 throw new NullPointerException ();
129 }
130 if (keyName == null)
131 {
132 throw new NullPointerException ();
133 }
134
135 this.target = target;
136 this.image = image;
137 this.width = width;
138 this.height = height;
139 this.key = new ChartImageKey(row, keyName);
140 }
141
142 public Object getIdentity()
143 {
144 return key;
145 }
146
147 public Image getImage()
148 {
149 return image;
150 }
151
152 public String getName()
153 {
154 return getSourceURLString();
155 }
156
157 public boolean isIdentifiable()
158 {
159 return true;
160 }
161
162 public int getImageHeight()
163 {
164 return height;
165 }
166
167 public int getImageWidth()
168 {
169 return width;
170 }
171
172 public float getScaleX()
173 {
174 return 1;
175 }
176
177 public float getScaleY()
178 {
179 return 1;
180 }
181
182 public URL getSourceURL()
183 {
184 return null;
185 }
186
187 public String getSourceURLString()
188 {
189 return target;
190 }
191
192
197 public boolean isLoadable()
198 {
199 return false;
200 }
201 }
202 |
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