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1
25 package classycle.ant;
26
27 import java.io.File  ;
28 import java.io.IOException ;
29 import java.io.PrintWriter ;
30 import java.util.Map ;
31
32 import org.apache.tools.ant.BuildException;
33
34 import classycle.Analyser;
35 import classycle.dependency.DefaultResultRenderer;
36 import classycle.dependency.DependencyChecker;
37 import classycle.dependency.ResultRenderer;
38 import classycle.util.Text;
39
40
109 public class DependencyCheckingTask extends ClassycleTask
110 {
111 private String _definitionFile;
112 private String _dependencyDefinition;
113 private String _resultRenderer;
114 private boolean _failOnUnwantedDependencies;
115
116 public void setFailOnUnwantedDependencies(boolean failOnUnwantedDependencies)
117 {
118 _failOnUnwantedDependencies = failOnUnwantedDependencies;
119 }
120
121 public void setDefinitionFile(String definitionFile)
122 {
123 _definitionFile = definitionFile;
124 }
125
126 public void setResultRenderer(String resultRenderer)
127 {
128 _resultRenderer = resultRenderer;
129 }
130
131 public void addText(String text)
132 {
133 _dependencyDefinition = text.trim();
134 }
135
136 public void execute() throws BuildException
137 {
138 super.execute();
139
140 boolean ok = false;
141 try
142 {
143 Analyser analyser = new Analyser(getClassFileNames(), getPattern(),
144 getReflectionPattern(),
145 isMergeInnerClasses());
146 Map properties = _definitionFile == null ? getProject().getProperties()
147 : System.getProperties();
148 DependencyChecker dependencyChecker
149 = new DependencyChecker(analyser,
150 getDependencyDefinitions(),
151 properties,
152 getRenderer());
153 PrintWriter printWriter = new PrintWriter (System.out);
154 ok = dependencyChecker.check(printWriter);
155 printWriter.flush();
156 } catch (BuildException e)
157 {
158 throw e;
159 } catch (Exception e)
160 {
161 throw new BuildException(e);
162 }
163 if (_failOnUnwantedDependencies && ok == false)
164 {
165 throw new BuildException(
166 "Unwanted dependencies found. See output for details.");
167 }
168 }
169
170 private ResultRenderer getRenderer() throws InstantiationException ,
171 IllegalAccessException ,
172 ClassNotFoundException
173 {
174 ResultRenderer renderer = new DefaultResultRenderer();
175 if (_resultRenderer != null)
176 {
177 renderer = (ResultRenderer) Class.forName(_resultRenderer).newInstance();
178 }
179 return renderer;
180 }
181
182 private String getDependencyDefinitions() throws IOException , BuildException
183 {
184 String result = _dependencyDefinition;;
185 if (_definitionFile != null)
186 {
187 File baseDir = getOwningTarget().getProject().getBaseDir();
188 result = Text.readTextFile(new File (baseDir, _definitionFile));
189 }
190 if (result.length() == 0) {
191 throw new BuildException("Empty dependency definition.");
192 }
193 return result;
194 }
195 }
196 |
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