Update deprecated api usage
diff --git a/fop-core/src/main/java/org/apache/fop/fonts/autodetect/FontFileFinder.java b/fop-core/src/main/java/org/apache/fop/fonts/autodetect/FontFileFinder.java
index e6b9a2c..11b18ef 100644
--- a/fop-core/src/main/java/org/apache/fop/fonts/autodetect/FontFileFinder.java
+++ b/fop-core/src/main/java/org/apache/fop/fonts/autodetect/FontFileFinder.java
@@ -84,10 +84,8 @@
     protected static IOFileFilter getFileFilter() {
         return FileFilterUtils.and(
                 FileFilterUtils.fileFileFilter(),
-                new WildcardFileFilter(
-                        new String[] {"*.ttf", "*.otf", "*.pfb", "*.ttc"},
-                        IOCase.INSENSITIVE)
-        );
+                WildcardFileFilter.builder().setIoCase(IOCase.INSENSITIVE)
+                        .setWildcards("*.ttf", "*.otf", "*.pfb", "*.ttc").get());
     }
 
     /**
diff --git a/fop-core/src/test/java/org/apache/fop/accessibility/pdf/MissingLanguageWarningTestCase.java b/fop-core/src/test/java/org/apache/fop/accessibility/pdf/MissingLanguageWarningTestCase.java
index 02551c8..7a95300 100644
--- a/fop-core/src/test/java/org/apache/fop/accessibility/pdf/MissingLanguageWarningTestCase.java
+++ b/fop-core/src/test/java/org/apache/fop/accessibility/pdf/MissingLanguageWarningTestCase.java
@@ -79,7 +79,7 @@
         userAgent.setAccessibility(true);
         eventChecker = new MissingLanguageEventChecker();
         userAgent.getEventBroadcaster().addEventListener(eventChecker);
-        fop = fopFactory.newFop(MimeConstants.MIME_PDF, userAgent, NullOutputStream.NULL_OUTPUT_STREAM);
+        fop = fopFactory.newFop(MimeConstants.MIME_PDF, userAgent, NullOutputStream.INSTANCE);
     }
 
     @Test
diff --git a/fop-core/src/test/java/org/apache/fop/events/EventProcessingTestCase.java b/fop-core/src/test/java/org/apache/fop/events/EventProcessingTestCase.java
index 7788371..0addf16 100644
--- a/fop-core/src/test/java/org/apache/fop/events/EventProcessingTestCase.java
+++ b/fop-core/src/test/java/org/apache/fop/events/EventProcessingTestCase.java
@@ -79,7 +79,7 @@
         FOUserAgent userAgent = fopFactory.newFOUserAgent();
 
         userAgent.getEventBroadcaster().addEventListener(eventChecker);
-        Fop fop = fopFactory.newFop(mimeType, userAgent, NullOutputStream.NULL_OUTPUT_STREAM);
+        Fop fop = fopFactory.newFop(mimeType, userAgent, NullOutputStream.INSTANCE);
         Transformer transformer = tFactory.newTransformer();
         Source src = new StreamSource(inStream);
         Result res = new SAXResult(fop.getDefaultHandler());
diff --git a/fop-core/src/test/java/org/apache/fop/events/FlowNamedNotMappedTestCase.java b/fop-core/src/test/java/org/apache/fop/events/FlowNamedNotMappedTestCase.java
index 12d23da..3e6ba3a 100644
--- a/fop-core/src/test/java/org/apache/fop/events/FlowNamedNotMappedTestCase.java
+++ b/fop-core/src/test/java/org/apache/fop/events/FlowNamedNotMappedTestCase.java
@@ -64,7 +64,7 @@
         FOUserAgent userAgent = fopFactory.newFOUserAgent();
         flowChecker = new FlowNameNotMappedEventChecker();
         userAgent.getEventBroadcaster().addEventListener(flowChecker);
-        fop = fopFactory.newFop(MimeConstants.MIME_PDF, userAgent, NullOutputStream.NULL_OUTPUT_STREAM);
+        fop = fopFactory.newFop(MimeConstants.MIME_PDF, userAgent, NullOutputStream.INSTANCE);
         Source src = new StreamSource(new FileInputStream("test/events/flowNameNotMapped.fo"));
         SAXResult res = new SAXResult(fop.getDefaultHandler());
         Transformer transformer = TransformerFactory.newInstance().newTransformer();
diff --git a/fop-core/src/test/java/org/apache/fop/fonts/FontSelectorTestCase.java b/fop-core/src/test/java/org/apache/fop/fonts/FontSelectorTestCase.java
index 10c9072..90671d5 100644
--- a/fop-core/src/test/java/org/apache/fop/fonts/FontSelectorTestCase.java
+++ b/fop-core/src/test/java/org/apache/fop/fonts/FontSelectorTestCase.java
@@ -148,7 +148,7 @@
     @Test
     public void testFontCacheWithThreads() throws Exception {
         PrintStream old = System.err;
-        System.setErr(new NullPrintStream());
+        System.setErr(NullPrintStream.INSTANCE);
         ExecutorService executor = Executors.newFixedThreadPool(10);
         for (int i = 0; i < 100000; i++) {
             executor.submit(new FontTask());
diff --git a/fop-core/src/test/java/org/apache/fop/intermediate/AbstractIntermediateTest.java b/fop-core/src/test/java/org/apache/fop/intermediate/AbstractIntermediateTest.java
index 35b84be..598bcfb 100644
--- a/fop-core/src/test/java/org/apache/fop/intermediate/AbstractIntermediateTest.java
+++ b/fop-core/src/test/java/org/apache/fop/intermediate/AbstractIntermediateTest.java
@@ -192,7 +192,7 @@
             out = new FileOutputStream(tgtFile);
             out = new BufferedOutputStream(out);
         } else {
-            out = NullOutputStream.NULL_OUTPUT_STREAM;
+            out = NullOutputStream.INSTANCE;
         }
         try {
             Source src = new DOMSource(intermediate);
diff --git a/fop-core/src/test/java/org/apache/fop/memory/MemoryEater.java b/fop-core/src/test/java/org/apache/fop/memory/MemoryEater.java
index 788b101..428f53e 100644
--- a/fop-core/src/test/java/org/apache/fop/memory/MemoryEater.java
+++ b/fop-core/src/test/java/org/apache/fop/memory/MemoryEater.java
@@ -77,7 +77,7 @@
         Transformer transformer = replicatorTemplates.newTransformer();
         transformer.setParameter("repeats", replicatorRepeats);
 
-        OutputStream out = NullOutputStream.NULL_OUTPUT_STREAM; //write to /dev/nul
+        OutputStream out = NullOutputStream.INSTANCE; //write to /dev/nul
         try {
             FOUserAgent userAgent = fopFactory.newFOUserAgent();
             Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, userAgent, out);
diff --git a/fop-core/src/test/java/org/apache/fop/render/RendererFactoryTestCase.java b/fop-core/src/test/java/org/apache/fop/render/RendererFactoryTestCase.java
index c2597ad..90afb97 100644
--- a/fop-core/src/test/java/org/apache/fop/render/RendererFactoryTestCase.java
+++ b/fop-core/src/test/java/org/apache/fop/render/RendererFactoryTestCase.java
@@ -112,18 +112,18 @@
 
         ua = fopFactory.newFOUserAgent();
         foEventHandler = factory.createFOEventHandler(
-                ua, MimeConstants.MIME_PDF, NullOutputStream.NULL_OUTPUT_STREAM);
+                ua, MimeConstants.MIME_PDF, NullOutputStream.INSTANCE);
         assertTrue(foEventHandler instanceof AreaTreeHandler);
 
         ua = fopFactory.newFOUserAgent();
         foEventHandler = factory.createFOEventHandler(
-                ua, MimeConstants.MIME_RTF, NullOutputStream.NULL_OUTPUT_STREAM);
+                ua, MimeConstants.MIME_RTF, NullOutputStream.INSTANCE);
         assertTrue(foEventHandler instanceof RTFHandler);
 
         ua = fopFactory.newFOUserAgent();
         try {
             foEventHandler = factory.createFOEventHandler(
-                    ua, "invalid/format", NullOutputStream.NULL_OUTPUT_STREAM);
+                    ua, "invalid/format", NullOutputStream.INSTANCE);
             fail("Expected UnsupportedOperationException");
         } catch (UnsupportedOperationException uoe) {
             //expected
@@ -139,7 +139,7 @@
         }
 
         ua = fopFactory.newFOUserAgent();
-        overrideFOEventHandler = new RTFHandler(ua, NullOutputStream.NULL_OUTPUT_STREAM);
+        overrideFOEventHandler = new RTFHandler(ua, NullOutputStream.INSTANCE);
         ua.setFOEventHandlerOverride(overrideFOEventHandler);
         foEventHandler = factory.createFOEventHandler(
                 ua, null, null);
diff --git a/fop-core/src/test/java/org/apache/fop/threading/FOPTestbed.java b/fop-core/src/test/java/org/apache/fop/threading/FOPTestbed.java
index bfc3419..5dc87d9 100644
--- a/fop-core/src/test/java/org/apache/fop/threading/FOPTestbed.java
+++ b/fop-core/src/test/java/org/apache/fop/threading/FOPTestbed.java
@@ -266,7 +266,7 @@
                 File outfile = new File(outputDir, df.format(num) + fop.getTargetFileExtension());
                 OutputStream out;
                 if (writeToDevNull) {
-                    out = NullOutputStream.NULL_OUTPUT_STREAM;
+                    out = NullOutputStream.INSTANCE;
                 } else {
                     out = new java.io.FileOutputStream(outfile);
                     out = new java.io.BufferedOutputStream(out);
diff --git a/fop-core/src/test/java/org/apache/fop/visual/BatchDiffer.java b/fop-core/src/test/java/org/apache/fop/visual/BatchDiffer.java
index c9a2d47..8a4b44b 100644
--- a/fop-core/src/test/java/org/apache/fop/visual/BatchDiffer.java
+++ b/fop-core/src/test/java/org/apache/fop/visual/BatchDiffer.java
@@ -175,7 +175,7 @@
                     manualFilter = manualFilter + '*';
                 }
                 filter = new AndFileFilter(
-                        new WildcardFileFilter(manualFilter), filter);
+                        WildcardFileFilter.builder().setWildcards(manualFilter).get(), filter);
             }
 
             int maxfiles = cfg.getChild("max-files").getValueAsInteger(-1);