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Allow an incremental build to perform less weaving #1962

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Allow an incremental build to perform less weaving #1962

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13 changes: 13 additions & 0 deletions ...nce.jpa/src/main/java/org/eclipse/persistence/tools/weaving/jpa/StaticWeaveProcessor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@

// Contributors:
// Oracle - initial API and implementation from Oracle TopLink
// Billforward - added fileNeedsProcessingPredicate for incremental build support
package org.eclipse.persistence.tools.weaving.jpa;

import java.io.ByteArrayOutputStream;
Expand All @@ -26,6 +27,7 @@
import java.net.URL;
import java.net.URLClassLoader;
import java.util.Iterator;
import java.util.function.Predicate;
import java.util.jar.JarEntry;
import java.util.jar.JarOutputStream;

Expand Down Expand Up @@ -57,6 +59,7 @@ public class StaticWeaveProcessor {
private Writer logWriter;
private ClassLoader classLoader;
private int logLevel = SessionLog.OFF;
private Predicate<String> fileNeedsProcessingPredicate;

private static final int NUMBER_OF_BYTES = 1024;

Expand Down Expand Up @@ -256,6 +259,12 @@ private void process() throws IOException,URISyntaxException{
Iterator<String> entries = sourceArchive.getEntries();
while (entries.hasNext()){
String entryName = entries.next();

if (fileNeedsProcessingPredicate != null &&
!fileNeedsProcessingPredicate.test(entryName)) {
continue;
}

InputStream entryInputStream = sourceArchive.getEntry(entryName);

// Add a directory entry
Expand Down Expand Up @@ -372,4 +381,8 @@ private URL[] getURLs(){
}
return new URL[]{};
}

public void setFileNeedsProcessingPredicate(Predicate<String> fileNeedsProcessingPredicate) {
this.fileNeedsProcessingPredicate = fileNeedsProcessingPredicate;
}
}