Remove now obsolete predicate filter.

diff --git a/src/main/java/net/pterodactylus/sonitus/data/filter/PredicateFilter.java b/src/main/java/net/pterodactylus/sonitus/data/filter/PredicateFilter.java
deleted file mode 100644 (file)
index 20840a8..0000000
--- a/src/main/java/net/pterodactylus/sonitus/data/filter/PredicateFilter.java
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Sonitus - PredicateFilter.java - Copyright © 2013 David Roden
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package net.pterodactylus.sonitus.data.filter;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
-import java.io.IOException;
-import java.util.concurrent.atomic.AtomicBoolean;
-
-import net.pterodactylus.sonitus.data.AbstractFilter;
-import net.pterodactylus.sonitus.data.Filter;
-import net.pterodactylus.sonitus.data.Metadata;
-
-import com.google.common.base.Predicate;
-
-/**
- * {@link Filter} implementation that uses a {@link Predicate} to determine
- * whether a filter will be used or the data will only be passed through.
- *
- * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
- */
-public class PredicateFilter extends AbstractFilter implements Filter {
-
-       /** The predicate. */
-       private final Predicate<Metadata> metadataPredicate;
-
-       /** The filter to use if the predicate matches. */
-       private final Filter filter;
-
-       /** Whether the predicate currently matches. */
-       private final AtomicBoolean metadataMatches = new AtomicBoolean(false);
-
-       /**
-        * Creates a new predicate filter.
-        *
-        * @param metadataPredicate
-        *              The predicate to evaluate every time the metadata changes
-        * @param filter
-        */
-       public PredicateFilter(Predicate<Metadata> metadataPredicate, Filter filter) {
-               super(String.format("%s (maybe)", filter.name()));
-               this.metadataPredicate = metadataPredicate;
-               this.filter = filter;
-       }
-
-       //
-       // FILTER METHODS
-       //
-
-       @Override
-       public void open(Metadata metadata) throws IOException {
-               checkNotNull(metadata, "metadata must not be null");
-
-               metadataMatches.set(metadataPredicate.apply(metadata));
-               if (metadataMatches.get()) {
-                       filter.open(metadata);
-               } else {
-                       super.open(metadata);
-               }
-       }
-
-       @Override
-       public void close() {
-               if (metadataMatches.get()) {
-                       filter.close();
-               } else {
-                       super.close();
-               }
-       }
-
-       @Override
-       public Metadata metadata() {
-               if (metadataMatches.get()) {
-                       return filter.metadata();
-               }
-               return super.metadata();
-       }
-
-       @Override
-       public void metadataUpdated(Metadata metadata) {
-               metadataMatches.set(metadataPredicate.apply(metadata));
-               if (metadataMatches.get()) {
-                       filter.metadataUpdated(metadata);
-               } else {
-                       super.metadataUpdated(metadata);
-               }
-       }
-
-       @Override
-       public void process(byte[] buffer) throws IOException {
-               if (metadataMatches.get()) {
-                       filter.process(buffer);
-               } else {
-                       super.process(buffer);
-               }
-       }
-
-       @Override
-       public byte[] get(int bufferSize) throws IOException {
-               if (metadataMatches.get()) {
-                       return filter.get(bufferSize);
-               } else {
-                       return super.get(bufferSize);
-               }
-       }
-
-}