fixed generics warnings for generic array instantiation that appeared

after migration to Java 7

source/net/yacy/cora/protocol/Domains.java

@@ -26,6 +26,7 @@ package net.yacy.cora.protocol;
 
 import java.io.File;
 import java.io.IOException;
+import java.lang.reflect.Array;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.net.InetAddress;
@@ -550,9 +551,11 @@ public class Domains {
 
      static {
          // using http://javainetlocator.sourceforge.net/ if library is present
-         // we use this class using reflection to be able to remove it because that class is old and without maintenancy
+         // we use this class using reflection to be able to remove it because that class is old and without maintenance
          InetAddressLocatorClass = ClassProvider.load("net.sf.javainetlocator.InetAddressLocator", new File("lib/InetAddressLocator.jar"));
-         InetAddressLocatorGetLocaleInetAddressMethod = ClassProvider.getStaticMethod(InetAddressLocatorClass, "getLocale", new Class[]{InetAddress.class});
+         final Class<?>[] args = (Class<?>[]) Array.newInstance(Class.class, 1);
+         args[0] = InetAddress.class;
+         InetAddressLocatorGetLocaleInetAddressMethod = ClassProvider.getStaticMethod(InetAddressLocatorClass, "getLocale", args);
          ccSLD_TLD.addAll(Arrays.asList(ccSLD_TLD_list));
      }
 

source/net/yacy/cora/protocol/ftp/FTPClient.java

@@ -41,6 +41,7 @@ import java.io.InputStreamReader;
 import java.io.OutputStream;
 import java.io.PrintStream;
 import java.io.RandomAccessFile;
+import java.lang.reflect.Array;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.net.InetAddress;
@@ -162,7 +163,7 @@ public class FTPClient {
             }
             this.cmd = line2args(com);
             try {
-                ret = (((Boolean) getClass().getMethod(this.cmd[0].toUpperCase(), new Class[0]).invoke(this, new Object[0]))
+                ret = (((Boolean) getClass().getMethod(this.cmd[0].toUpperCase(), (Class<?>[]) Array.newInstance(Class.class, 0)).invoke(this, (Object[]) Array.newInstance(Object.class, 0)))
                         .booleanValue());
             } catch (final InvocationTargetException e) {
                 if (e.getMessage() != null) {
@@ -296,7 +297,7 @@ public class FTPClient {
             // Class c = this.getClass().getClassLoader().loadClass(obj);
 
             // locate public static main(String[]) method
-            final Class<?>[] parameterType = new Class[1];
+            final Class<?>[] parameterType = (Class<?>[]) Array.newInstance(Class.class, 1);
             parameterType[0] = Class.forName("[Ljava.lang.String;");
             Method m = c.getMethod("main", parameterType);
 

source/net/yacy/cora/storage/ConcurrentARC.java

@@ -24,6 +24,7 @@
 
 package net.yacy.cora.storage;
 
+import java.lang.reflect.Array;
 import java.util.AbstractMap;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -61,7 +62,7 @@ public final class ConcurrentARC<K, V> extends AbstractMap<K, V> implements Map<
     	while (m < partitions) m = m * 2;
         int partitionSize = cacheSize / m;
         if (partitionSize < 4) partitionSize = 4;
-    	this.arc = new HashARC[m];
+    	this.arc = (ARC<K, V>[]) Array.newInstance(HashARC.class, m);
     	for (int i = 0; i < this.arc.length; i++) this.arc[i] = new HashARC<K, V>(partitionSize);
     	m -= 1;
     	this.mask = m;
@@ -79,7 +80,7 @@ public final class ConcurrentARC<K, V> extends AbstractMap<K, V> implements Map<
         while (m < partitions) m = m * 2;
         int partitionSize = cacheSize / m;
         if (partitionSize < 4) partitionSize = 4;
-        this.arc = new ComparableARC[m];
+        this.arc = (ARC<K, V>[]) Array.newInstance(ComparableARC.class, m);
         for (int i = 0; i < this.arc.length; i++) this.arc[i] = new ComparableARC<K, V>(partitionSize, comparator);
         m -= 1;
         this.mask = m;

source/net/yacy/crawler/HostBalancer.java

@@ -22,6 +22,7 @@ package net.yacy.crawler;
 
 import java.io.File;
 import java.io.IOException;
+import java.lang.reflect.Array;
 import java.net.MalformedURLException;
 import java.util.ArrayList;
 import java.util.ConcurrentModificationException;
@@ -353,7 +354,7 @@ public class HostBalancer implements Balancer {
     public Iterator<Request> iterator() throws IOException {
         final Iterator<HostQueue> hostsIterator = this.queues.values().iterator();
         @SuppressWarnings("unchecked")
-        final Iterator<Request>[] hostIterator = new Iterator[1];
+        final Iterator<Request>[] hostIterator = (Iterator<Request>[]) Array.newInstance(Iterator.class, 1);
         hostIterator[0] = null;
         return new Iterator<Request>() {
             @Override

source/net/yacy/crawler/HostQueue.java

@@ -22,6 +22,7 @@ package net.yacy.crawler;
 
 import java.io.File;
 import java.io.IOException;
+import java.lang.reflect.Array;
 import java.net.MalformedURLException;
 import java.util.ArrayList;
 import java.util.Iterator;
@@ -459,7 +460,7 @@ public class HostQueue implements Balancer {
     public Iterator<Request> iterator() throws IOException {
         final Iterator<Map.Entry<Integer, Index>> depthIterator = this.depthStacks.entrySet().iterator();
         @SuppressWarnings("unchecked")
-        final Iterator<Row.Entry>[] rowIterator = new Iterator[1];
+        final Iterator<Row.Entry>[] rowIterator = (Iterator<Row.Entry>[]) Array.newInstance(Iterator.class, 1);
         rowIterator[0] = null;
         return new Iterator<Request>() {
             @Override

source/net/yacy/data/Diff.java

@@ -28,6 +28,7 @@
 
 package net.yacy.data;
 
+import java.lang.reflect.Array;
 import java.util.ArrayList;
 
 import net.yacy.document.parser.html.CharacterCoding;
@@ -62,10 +63,10 @@ public class Diff {
      */
     public Diff(final String original, final String changed, final int minConsecutive) {
         if (original == null || changed == null) throw new NullPointerException("input Strings must be null");
-        this.original = new Comparable[original.length()];
+        this.original = (Object[]) Array.newInstance(Comparable.class, original.length());
         for (int i=0; i<original.length(); i++)
             this.original[i] = Character.valueOf(original.charAt(i));
-        this.changed = new Comparable[changed.length()];
+        this.changed = (Object[]) Array.newInstance(Comparable.class, changed.length());
         for (int i=0; i<changed.length(); i++)
             this.changed[i] = Character.valueOf(changed.charAt(i));
         parse((minConsecutive > 0) ? minConsecutive : 1);

source/net/yacy/document/importer/MediawikiImporter.java

@@ -37,6 +37,7 @@ import java.io.OutputStreamWriter;
 import java.io.PrintWriter;
 import java.io.RandomAccessFile;
 import java.io.UnsupportedEncodingException;
+import java.lang.reflect.Array;
 import java.net.MalformedURLException;
 import java.util.Date;
 import java.util.concurrent.ArrayBlockingQueue;
@@ -176,7 +177,7 @@ public class MediawikiImporter extends Thread implements Importer {
             final BlockingQueue<wikiparserrecord> out = new ArrayBlockingQueue<wikiparserrecord>(threads * 10);
             final ExecutorService service = Executors.newFixedThreadPool(threads + 1);
             final convertConsumer[] consumers = new convertConsumer[threads];
-            final Future<?>[] consumerResults = new Future[threads];
+            final Future<?>[] consumerResults = (Future<?>[]) Array.newInstance(Future.class, threads);
             for (int i = 0; i < threads; i++) {
                 consumers[i] = new convertConsumer(in, out, poison);
                 consumerResults[i] = service.submit(consumers[i]);

source/net/yacy/document/parser/html/ContentScraper.java

@@ -29,6 +29,7 @@ import java.io.CharArrayReader;
 import java.io.File;
 import java.io.IOException;
 import java.io.Writer;
+import java.lang.reflect.Array;
 import java.net.MalformedURLException;
 import java.nio.charset.Charset;
 import java.text.NumberFormat;
@@ -222,7 +223,7 @@ public class ContentScraper extends AbstractScraper implements Scraper {
         this.navigation = new SizeLimitedMap<String, DigestURL>(maxLinks);
         this.script = new SizeLimitedSet<DigestURL>(maxLinks);
         this.titles = new LinkedHashSet<String>();
-        this.headlines = new ArrayList[6];
+        this.headlines = (List<String>[]) Array.newInstance(ArrayList.class, 6);
         for (int i = 0; i < this.headlines.length; i++) this.headlines[i] = new ArrayList<String>();
         this.bold = new ClusteredScoreMap<String>();
         this.italic = new ClusteredScoreMap<String>();

source/net/yacy/http/servlets/YaCyDefaultServlet.java

@@ -30,6 +30,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.lang.ref.SoftReference;
+import java.lang.reflect.Array;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.net.URL;
@@ -732,11 +733,12 @@ public class YaCyDefaultServlet extends HttpServlet  {
                 }
             }
 
-            final Class<?> c = provider.loadClass(classFile);           
+            final Class<?> c = provider.loadClass(classFile);
-            final Class<?>[] params = new Class[]{
+            
-                RequestHeader.class,
+            final Class<?>[] params = (Class<?>[]) Array.newInstance(Class.class, 3);
-                serverObjects.class,
+            params[0]=  RequestHeader.class;
-                serverSwitch.class};
+            params[1] = serverObjects.class;
+            params[2] = serverSwitch.class;
             m = c.getMethod("respond", params);
 
             if (MemoryControl.shortStatus()) {

source/net/yacy/kelondro/blob/ArrayStack.java

@@ -28,6 +28,7 @@ package net.yacy.kelondro.blob;
 
 import java.io.File;
 import java.io.IOException;
+import java.lang.reflect.Array;
 import java.text.ParseException;
 import java.util.ArrayList;
 import java.util.Date;
@@ -852,7 +853,7 @@ public class ArrayStack implements BLOB {
             bi.blob.delete(key);
         } else {
             @SuppressWarnings("unchecked")
-            final FutureTask<Boolean>[] t = new FutureTask[this.blobs.size() - 1];
+            final FutureTask<Boolean>[] t = (FutureTask<Boolean>[]) Array.newInstance(FutureTask.class, this.blobs.size() - 1);
             int i = 0;
             for (final blobItem bi: this.blobs) {
                 if (i < t.length) {

source/net/yacy/kelondro/blob/MapDataMining.java

@@ -29,6 +29,7 @@ package net.yacy.kelondro.blob;
 
 import java.io.File;
 import java.io.IOException;
+import java.lang.reflect.Array;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.Collection;
@@ -81,7 +82,7 @@ public class MapDataMining extends MapHeap {
         ScoreMap<String>[] cluster = null;
         if (sortfields == null) this.sortClusterMap = null; else {
             this.sortClusterMap = new ConcurrentHashMap<String, ScoreMap<String>>();
-            cluster = new ScoreMap[sortfields.length];
+            cluster = (ScoreMap<String>[]) Array.newInstance(ScoreMap.class, sortfields.length);
             for (int i = 0; i < sortfields.length; i++) {
                 cluster[i] = new ConcurrentScoreMap<String>();
             }

source/net/yacy/kelondro/index/RAMIndexCluster.java

@@ -25,6 +25,7 @@
 package net.yacy.kelondro.index;
 
 import java.io.IOException;
+import java.lang.reflect.Array;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Iterator;
@@ -326,7 +327,7 @@ public final class RAMIndexCluster implements Index, Iterable<Row.Entry>, Clonea
                     col.add(element.rows(up, firstKey));
                 }
             }
-            return StackIterator.stack(col.toArray(new CloneableIterator[col.size()]));
+            return StackIterator.stack(col.toArray((CloneableIterator<Entry>[]) Array.newInstance(CloneableIterator.class, col.size())));
         }
     }
 

source/net/yacy/kelondro/rwi/ReferenceContainer.java

@@ -26,6 +26,7 @@
 
 package net.yacy.kelondro.rwi;
 
+import java.lang.reflect.Array;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -291,7 +292,10 @@ public class ReferenceContainer<ReferenceType extends Reference> extends RowSet
         Method meth = null;
         try {
             final Class<?> c = net.yacy.kelondro.rwi.ReferenceContainer.class;
-            meth = c.getMethod("mergeUnique", new Class[]{Object.class, Object.class});
+            final Class<?>[] args = (Class<?>[]) Array.newInstance(Class.class, 2);
+            args[0] = Object.class;
+            args[1] = Object.class;
+            meth = c.getMethod("mergeUnique", args);
         } catch (final SecurityException e) {
             System.out.println("Error while initializing containerMerge.SecurityException: " + e.getMessage());
             meth = null;

source/net/yacy/kelondro/table/SplitTable.java

@@ -28,6 +28,7 @@ package net.yacy.kelondro.table;
 
 import java.io.File;
 import java.io.IOException;
+import java.lang.reflect.Array;
 import java.text.ParseException;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -566,7 +567,7 @@ public class SplitTable implements Index, Iterable<Row.Entry> {
     @Override
     @SuppressWarnings("unchecked")
     public synchronized CloneableIterator<Row.Entry> rows() throws IOException {
-        final CloneableIterator<Row.Entry>[] c = new CloneableIterator[this.tables.size()];
+        final CloneableIterator<Row.Entry>[] c = (CloneableIterator<Row.Entry>[]) Array.newInstance(CloneableIterator.class, this.tables.size());
         final Iterator<Index> i = this.tables.values().iterator();
         int d = 0;
         while (i.hasNext()) {

source/net/yacy/kelondro/util/MergeIterator.java

@@ -22,6 +22,7 @@
 
 package net.yacy.kelondro.util;
 
+import java.lang.reflect.Array;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.util.Collection;
@@ -204,7 +205,10 @@ public class MergeIterator<E> implements CloneableIterator<E> {
         Method meth = null;
         try {
             final Class<?> c = net.yacy.kelondro.util.MergeIterator.class;
-            meth = c.getMethod("mergeEqualByReplace", new Class[]{Object.class, Object.class});
+            final Class<?>[] args = (Class<?>[]) Array.newInstance(Class.class, 2);
+            args[0] = Object.class;
+            args[1] = Object.class;
+            meth = c.getMethod("mergeEqualByReplace", args);
         } catch (final SecurityException e) {
             System.out.println("Error while initializing simpleMerge (1): " + e.getMessage());
             meth = null;

source/net/yacy/kelondro/util/StackIterator.java

@@ -22,6 +22,7 @@
 
 package net.yacy.kelondro.util;
 
+import java.lang.reflect.Array;
 import java.util.ConcurrentModificationException;
 
 import net.yacy.cora.order.CloneableIterator;
@@ -124,7 +125,7 @@ public class StackIterator<E> implements CloneableIterator<E> {
             return new StackIterator<A>(iterators[0], iterators[1]);
         }
         CloneableIterator<A> a = iterators[0];
-        final CloneableIterator<A>[] iterators0 = new CloneableIterator[iterators.length - 1];
+        final CloneableIterator<A>[] iterators0 = (CloneableIterator<A>[]) Array.newInstance(CloneableIterator.class, iterators.length - 1);
         System.arraycopy(iterators, 1, iterators0, 0, iterators.length - 1);
         if (a == null) return stack(iterators0);
         return new StackIterator<A>(a, stack(iterators0));

source/net/yacy/peers/Dispatcher.java

@@ -26,6 +26,7 @@
 package net.yacy.peers;
 
 import java.io.IOException;
+import java.lang.reflect.Array;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
@@ -235,7 +236,7 @@ public class Dispatcher {
 
         // init the result vector
         final int partitionCount = this.seeds.scheme.verticalPartitions();
-        final List<ReferenceContainer<WordReference>>[] partitions = new ArrayList[partitionCount];
+        final List<ReferenceContainer<WordReference>>[] partitions = (List<ReferenceContainer<WordReference>>[]) Array.newInstance(ReferenceContainer.class, partitionCount);
         for (int i = 0; i < partitions.length; i++) partitions[i] = new ArrayList<ReferenceContainer<WordReference>>();
 
         // check all entries and split them to the partitions
@@ -258,7 +259,7 @@ public class Dispatcher {
 
         // check all entries and split them to the partitions
         @SuppressWarnings("unchecked")
-        final ReferenceContainer<WordReference>[] partitionBuffer = new ReferenceContainer[partitionCount];
+        final ReferenceContainer<WordReference>[] partitionBuffer = (ReferenceContainer<WordReference>[]) Array.newInstance(ReferenceContainer.class, partitionCount);
         
         // init the new partitions
         for (int j = 0; j < partitionBuffer.length; j++) {

source/net/yacy/search/index/Fulltext.java

@@ -27,6 +27,7 @@ import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.lang.reflect.Array;
 import java.net.MalformedURLException;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -386,7 +387,7 @@ public final class Fulltext {
         int subsetscount = 1 + (hosthashes.size() / 255); // if the list is too large, we get a "too many boolean clauses" exception
         int c = 0;
         @SuppressWarnings("unchecked")
-        List<String>[] subsets = new ArrayList[subsetscount];
+        List<String>[] subsets = (List<String>[]) Array.newInstance(ArrayList.class, subsetscount);
         for (int i = 0; i < subsetscount; i++) subsets[i] = new ArrayList<String>();
         for (String hosthash: hosthashes) subsets[c++ % subsetscount].add(hosthash);
         for (List<String> subset: subsets) {

source/net/yacy/search/schema/CollectionConfiguration.java

@@ -27,6 +27,7 @@ package net.yacy.search.schema;
 import java.io.File;
 import java.io.IOException;
 import java.io.Serializable;
+import java.lang.reflect.Array;
 import java.net.InetAddress;
 import java.net.MalformedURLException;
 import java.util.ArrayList;
@@ -337,9 +338,15 @@ public class CollectionConfiguration extends SchemaConfiguration implements Seri
         public final ArrayList<String>[] urlProtocols, urlStubs, urlAnchorTexts;
         @SuppressWarnings("unchecked")
         public Subgraph(int inboundSize, int outboundSize) {
-            this.urlProtocols = new ArrayList[]{new ArrayList<String>(inboundSize), new ArrayList<String>(outboundSize)};
+            this.urlProtocols = (ArrayList<String>[]) Array.newInstance(ArrayList.class, 2);
-            this.urlStubs = new ArrayList[]{new ArrayList<String>(inboundSize), new ArrayList<String>(outboundSize)};
+            this.urlProtocols[0] = new ArrayList<String>(inboundSize);
-            this.urlAnchorTexts = new ArrayList[]{new ArrayList<String>(inboundSize), new ArrayList<String>(outboundSize)};
+            this.urlProtocols[1] = new ArrayList<String>(outboundSize);
+            this.urlStubs = (ArrayList<String>[]) Array.newInstance(ArrayList.class, 2);
+            this.urlStubs[0] = new ArrayList<String>(inboundSize);
+            this.urlStubs[1] = new ArrayList<String>(outboundSize);
+            this.urlAnchorTexts = (ArrayList<String>[]) Array.newInstance(ArrayList.class, 2);
+            this.urlAnchorTexts[0] = new ArrayList<String>(inboundSize);
+            this.urlAnchorTexts[1] = new ArrayList<String>(outboundSize);
         }
     }
     

source/net/yacy/search/schema/HyperlinkEdges.java

@@ -1,5 +1,6 @@
 package net.yacy.search.schema;
 
+import java.lang.reflect.Array;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.LinkedHashMap;
@@ -96,7 +97,7 @@ public class HyperlinkEdges implements Iterable<HyperlinkEdge> {
     public Iterator<HyperlinkEdge> iterator() {
         final Iterator<Map.Entry<MultiProtocolURL, Targets>> i = this.edges.entrySet().iterator();
         @SuppressWarnings("unchecked")
-        final Iterator<HyperlinkEdge.Target>[] tc = new Iterator[1];
+        final Iterator<HyperlinkEdge.Target>[] tc = (Iterator<HyperlinkEdge.Target>[]) Array.newInstance(Iterator.class, 1);
         tc[0] = null;
         final MultiProtocolURL[] su = new MultiProtocolURL[1];
         su[0] = null;