Doesn't it all compiled down to the same thing? It gets optimized at runtime anyway. I would go for the more readable option, unless there are extremely compelling performance numbers.
On Sun, Jun 12, 2016 at 4:38 PM Benedikt Ritter <brit...@apache.org> wrote: > 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 > > Java Persistence with Hibernate, Second Edition > > <http://www.manning.com/bauer3/> > > JUnit in Action, Second Edition <http://www.manning.com/tahchiev/> > > Spring Batch in Action <http://www.manning.com/templier/> > > Blog: http://garygregory.wordpress.com > > Home: http://garygregory.com/ > > Tweet! http://twitter.com/GaryGregory > > >