Yes, the if-else could also be implemented using a switch statement. But is
that really more efficient?

Benedikt

Gary Gregory <garydgreg...@gmail.com> schrieb am So., 12. Juni 2016 um
22:05:

> This looks like a candidate for the more efficient switch on string.
>
> Gary
>
> On Sun, Jun 12, 2016 at 7:47 AM, <brit...@apache.org> wrote:
>
> > Author: britter
> > Date: Sun Jun 12 14:47:11 2016
> > New Revision: 1748015
> >
> > URL: http://svn.apache.org/viewvc?rev=1748015&view=rev
> > Log:
> > IMAGING-178: PnmImageParser does not check the validity of input PAM
> > header. Thanks to emopers. This also fixes #20 from github.
> >
> > Modified:
> >     commons/proper/imaging/trunk/src/changes/changes.xml
> >
> >
> commons/proper/imaging/trunk/src/main/java/org/apache/commons/imaging/formats/pnm/PnmImageParser.java
> >
> >
> commons/proper/imaging/trunk/src/test/java/org/apache/commons/imaging/formats/pnm/PnmImageParserTest.java
> >
> > Modified: commons/proper/imaging/trunk/src/changes/changes.xml
> > URL:
> >
> http://svn.apache.org/viewvc/commons/proper/imaging/trunk/src/changes/changes.xml?rev=1748015&r1=1748014&r2=1748015&view=diff
> >
> >
> ==============================================================================
> > --- commons/proper/imaging/trunk/src/changes/changes.xml (original)
> > +++ commons/proper/imaging/trunk/src/changes/changes.xml Sun Jun 12
> > 14:47:11 2016
> > @@ -46,6 +46,9 @@ The <action> type attribute can be add,u
> >    <body>
> >
> >      <release version="1.0" date="TBA" description="First major release">
> > +      <action issue="IMAGING-178" dev="britter" type="fix"
> > due-to="emopers">
> > +        PnmImageParser does not check the validity of input PAM header.
> > +      </action>
> >        <action issue="IMAGING-184" dev="ggregory" type="update">
> >          Update platform from Java 5 to 7
> >        </action>
> >
> > Modified:
> >
> commons/proper/imaging/trunk/src/main/java/org/apache/commons/imaging/formats/pnm/PnmImageParser.java
> > URL:
> >
> http://svn.apache.org/viewvc/commons/proper/imaging/trunk/src/main/java/org/apache/commons/imaging/formats/pnm/PnmImageParser.java?rev=1748015&r1=1748014&r2=1748015&view=diff
> >
> >
> ==============================================================================
> > ---
> >
> commons/proper/imaging/trunk/src/main/java/org/apache/commons/imaging/formats/pnm/PnmImageParser.java
> > (original)
> > +++
> >
> commons/proper/imaging/trunk/src/main/java/org/apache/commons/imaging/formats/pnm/PnmImageParser.java
> > Sun Jun 12 14:47:11 2016
> > @@ -157,18 +157,28 @@ public class PnmImageParser extends Imag
> >                  final String type = tokenizer.nextToken();
> >                  if ("WIDTH".equals(type)) {
> >                      seenWidth = true;
> > +                    if(!tokenizer.hasMoreTokens())
> > +                        throw new ImageReadException("PAM header has no
> > WIDTH value");
> >                      width = Integer.parseInt(tokenizer.nextToken());
> >                  } else if ("HEIGHT".equals(type)) {
> >                      seenHeight = true;
> > +                    if(!tokenizer.hasMoreTokens())
> > +                        throw new ImageReadException("PAM header has no
> > HEIGHT value");
> >                      height = Integer.parseInt(tokenizer.nextToken());
> >                  } else if ("DEPTH".equals(type)) {
> >                      seenDepth = true;
> > +                    if(!tokenizer.hasMoreTokens())
> > +                        throw new ImageReadException("PAM header has no
> > DEPTH value");
> >                      depth = Integer.parseInt(tokenizer.nextToken());
> >                  } else if ("MAXVAL".equals(type)) {
> >                      seenMaxVal = true;
> > +                    if(!tokenizer.hasMoreTokens())
> > +                        throw new ImageReadException("PAM header has no
> > MAXVAL value");
> >                      maxVal = Integer.parseInt(tokenizer.nextToken());
> >                  } else if ("TUPLTYPE".equals(type)) {
> >                      seenTupleType = true;
> > +                    if(!tokenizer.hasMoreTokens())
> > +                        throw new ImageReadException("PAM header has no
> > TUPLTYPE value");
> >                      tupleType.append(tokenizer.nextToken());
> >                  } else if ("ENDHDR".equals(type)) {
> >                      break;
> >
> > Modified:
> >
> commons/proper/imaging/trunk/src/test/java/org/apache/commons/imaging/formats/pnm/PnmImageParserTest.java
> > URL:
> >
> http://svn.apache.org/viewvc/commons/proper/imaging/trunk/src/test/java/org/apache/commons/imaging/formats/pnm/PnmImageParserTest.java?rev=1748015&r1=1748014&r2=1748015&view=diff
> >
> >
> ==============================================================================
> > ---
> >
> commons/proper/imaging/trunk/src/test/java/org/apache/commons/imaging/formats/pnm/PnmImageParserTest.java
> > (original)
> > +++
> >
> commons/proper/imaging/trunk/src/test/java/org/apache/commons/imaging/formats/pnm/PnmImageParserTest.java
> > Sun Jun 12 14:47:11 2016
> > @@ -46,4 +46,12 @@ public class PnmImageParserTest {
> >      PnmImageParser underTest = new PnmImageParser();
> >      underTest.getImageInfo(bytes, params);
> >    }
> > +
> > +  @Test(expected = ImageReadException.class)
> > +  public void testGetImageInfo_missingWidthValue() throws
> > ImageReadException, IOException {
> > +    byte[] bytes = "P7\nWIDTH \n".getBytes(US_ASCII);
> > +    Map<String, Object> params = Collections.emptyMap();
> > +    PnmImageParser underTest = new PnmImageParser();
> > +    underTest.getImageInfo(bytes, params);
> > +  }
> >  }
> >
> >
> >
>
>
> --
> E-Mail: garydgreg...@gmail.com | ggreg...@apache.org
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