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How do I determine the stale resources in a Mojo to avoid reprocessing them?

April 26, 2017avoid determine Mojo reprocessing Resources stale

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How do I determine the stale resources in a Mojo to avoid reprocessing them?

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This can be done using the following piece of code: // Imports needed import org.codehaus.plexus.compiler.util.scan.InclusionScanException; import org.codehaus.plexus.compiler.util.scan.StaleSourceScanner; import org.codehaus.plexus.compiler.util.scan.mapping.SuffixMapping; // At some point of your code StaleSourceScanner scanner = new StaleSourceScanner( 0, Collections.singleton( “**/*.xml” ), Collections.EMPTY_SET ); scanner.addSourceMapping( new SuffixMapping( “.xml”, “.html” ) ); Set staleFiles = (Set) scanner.getIncludedSources( this.sourceDirectory, this.targetDirectory ); The second parameter to the StaleSourceScanner is the set of includes, while the third parameter is the set of excludes. You must add a source mapping to the scanner (second line). In this case we’re telling the scanner what is the extension of the result file (.html) for each source file extension (.xml).

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This can be done using the following piece of code: // Imports needed import org.codehaus.plexus.compiler.util.scan.InclusionScanException; import org.codehaus.plexus.compiler.util.scan.StaleSourceScanner; import org.codehaus.plexus.compiler.util.scan.mapping.SuffixMapping; // At some point of your code StaleSourceScanner scanner = new StaleSourceScanner( 0, Collections.singleton( “**/*.xml” ), Collections.EMPTY_SET ); scanner.addSourceMapping( new SuffixMapping( “.xml”, “.html” ) ); Set staleFiles = (Set) scanner.getIncludedSources( this.sourceDirectory, this.targetDirectory ); The second parameter to the StaleSourceScanner is the set of includes, while the third parameter is the set of excludes. You must add a source mapping to the scanner (second line). In this case we’re telling the scanner what is the extension of the result file (.html) for each source file extension (.xml). Finally we get the stale files as a Set calling the getIncludedSources method, passing a