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1   /***
2    * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
3    */
4   package net.sourceforge.pmd.renderers;
5   
6   import net.sourceforge.pmd.IRuleViolation;
7   import net.sourceforge.pmd.PMD;
8   import net.sourceforge.pmd.Report;
9   
10  import java.io.IOException;
11  import java.io.Writer;
12  import java.util.Iterator;
13  
14  /***
15   * <P>A Renderer for running PMD via a TextPad 'tool'.  <a href="http://www.textpad.com">TextPad</a> is a text editor by Helios Software Solutions.</P>
16   * <p/>
17   * <P>Output lines are in the form:</P>
18   * <p/>
19   * <P><CODE>pathtojavafile(line#, NameOfRule):&nbsp; Specific rule violation message</CODE></P>
20   * <p/>
21   * <P>For example:</P>
22   * <p/>
23   * <P><CODE>D:\java\pmd\src\src\net\sourceforge\pmd\renderers\TextPadRenderer.java(24, AtLeastOneConstructor):&nbsp; Each class should declare at least one constructor
24   * <br>D:\java\pmd\src\src\net\sourceforge\pmd\renderers\TextPadRenderer.java(26, VariableNamingConventionsRule):&nbsp; Variables should start with a lowercase character
25   * <br>D:\java\pmd\src\src\net\sourceforge\pmd\renderers\TextPadRenderer.java(31, ShortVariable):&nbsp; Avoid variables with short names</CODE></P>
26   *
27   * @author Jeff Epstein, based upon <a href="EmacsRenderer.html">EmacsRenderer</a>, Tuesday, September 23, 2003
28   */
29  public class TextPadRenderer extends AbstractRenderer {
30      public void render(Writer writer, Report report) throws IOException {
31          StringBuffer buf = new StringBuffer();
32          Iterator i;
33          try {
34              i = report.iterator();
35          } catch (NullPointerException npx) {
36              throw new NullPointerException("ERROR in " + this.getClass().getName() + ".render:  Parameter report is null.");
37          }
38          while (i.hasNext()) {
39              IRuleViolation rv = (IRuleViolation) i.next();
40              buf.setLength(0);
41              //Filename
42              buf.append(PMD.EOL).append(rv.getFilename() + "(");
43              //Line number
44              buf.append(Integer.toString(rv.getBeginLine())).append(",  ");
45              //Name of violated rule
46              buf.append(rv.getRule().getName()).append("):  ");
47              //Specific violation message
48              buf.append(rv.getDescription());
49              writer.write(buf.toString());
50          }
51      }
52  }