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1
52
53 package freemarker.testcase;
54
55 import java.io.BufferedOutputStream  ;
56 import java.io.File ;
57 import java.io.FileOutputStream ;
58 import java.io.OutputStream ;
59 import java.io.OutputStreamWriter ;
60 import java.io.Writer ;
61 import java.util.List ;
62 import java.util.Locale ;
63
64 import freemarker.template.Configuration;
65 import freemarker.template.SimpleHash;
66 import freemarker.template.Template;
67 import freemarker.template.TemplateBooleanModel;
68 import freemarker.template.TemplateCollectionModel;
69 import freemarker.template.TemplateHashModel;
70 import freemarker.template.TemplateMethodModelEx;
71 import freemarker.template.TemplateModel;
72 import freemarker.template.TemplateModelIterator;
73 import freemarker.template.TemplateNumberModel;
74 import freemarker.template.TemplateScalarModel;
75
76
83 public class PerformanceTest
84 {
85 public static void main(String [] args)
86 throws
87 Exception
88 {
89 Configuration config = new Configuration();
90 config.setClassicCompatible(false);
92 config.setClassForTemplateLoading(PerformanceTest.class, "/freemarker/testcase");
93 Template template = config.getTemplate("PerformanceTest.fm");
94 boolean toFile = args.length > 0 && args[0].equals("file");
95 File f = File.createTempFile("fmPerfTest", ".txt");
96 f.deleteOnExit();
97 OutputStream nullStream = new NullStream();
98 SimpleHash h = new SimpleHash();
99 h.put("ii", new TestSequence());
100 h.put("j", new TestHash());
101 h.put("k", new TestMethod());
102
103 for(;;)
104 {
105 OutputStream stream = toFile ? new BufferedOutputStream (new FileOutputStream (f)) : nullStream;
106 Writer writer = new OutputStreamWriter (stream, "UTF-8");
107 try
108 {
109 template.process(h, writer);
110 }
111 finally
112 {
113 writer.close();
114 }
115 }
116 }
117
118 private static class TestSequence implements TemplateCollectionModel
119 {
120 public TemplateModelIterator iterator()
121 {
122 return new TemplateModelIterator()
123 {
124 private int i = 0;
125
126 public TemplateModel next()
127 {
128 return new TestI(i++);
129 }
130
131 public boolean hasNext()
132 {
133 return i < 1000;
134 }
135 };
136 };
137 }
138
139 private static class TestHash implements TemplateHashModel, TemplateScalarModel
140 {
141 public TemplateModel get(String key)
142 {
143 return this;
144 }
145
146 public String getAsString()
147 {
148 return "j";
149 }
150
151 public boolean isEmpty()
152 {
153 return false;
154 }
155 }
156
157 private static class TestMethod implements TemplateMethodModelEx
158 {
159 public Object exec(List arguments)
160 {
161 return arguments.get(0);
162 }
163 }
164
165 private static class TestI implements TemplateHashModel, TemplateNumberModel
166 {
167 private final int i;
168
169 TestI(int i)
170 {
171 this.i = i;
172 }
173
174 public TemplateModel get(String key)
175 {
176 return (i & 1) == 1 ? TemplateBooleanModel.TRUE : TemplateBooleanModel.FALSE;
177 }
178
179 public String getAsString(Locale locale)
180 {
181 return Integer.toString(i);
182 }
183
184 public Number getAsNumber()
185 {
186 return new Integer (i);
187 }
188
189 public boolean isEmpty()
190 {
191 return false;
192 }
193 }
194
195 private static class NullStream extends OutputStream
196 {
197 public void close()
198 {
199 }
200
201 public void flush()
202 {
203 }
204
205 public void write(byte[] arg0, int arg1, int arg2)
206 {
207 }
208
209 public void write(byte[] arg0)
210 {
211 }
212
213 public void write(int arg0)
214 {
215 }
216 }
217 }
218 |
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