| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.jetbrains.jps.classFilesIndex; |
| |
| import com.intellij.util.io.DataExternalizer; |
| import gnu.trove.TObjectIntHashMap; |
| import gnu.trove.TObjectIntProcedure; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| /** |
| * @author Dmitry Batkovich |
| */ |
| public class TObjectIntHashMapExternalizer<K> implements DataExternalizer<TObjectIntHashMap<K>> { |
| private final DataExternalizer<K> myKeyDataExternalizer; |
| |
| public TObjectIntHashMapExternalizer(final DataExternalizer<K> keyDataExternalizer) { |
| myKeyDataExternalizer = keyDataExternalizer; |
| } |
| |
| @Override |
| public void save(@NotNull final DataOutput out, final TObjectIntHashMap<K> map) throws IOException { |
| out.writeInt(map.size()); |
| try { |
| map.forEachEntry(new TObjectIntProcedure<K>() { |
| @Override |
| public boolean execute(final K key, final int value) { |
| try { |
| myKeyDataExternalizer.save(out, key); |
| out.writeInt(value); |
| } |
| catch (final IOException e) { |
| throw new IoExceptionRuntimeWrapperException(e); |
| } |
| return true; |
| } |
| }); |
| } |
| catch (final IoExceptionRuntimeWrapperException e) { |
| throw e.getIoException(); |
| } |
| } |
| |
| @Override |
| public TObjectIntHashMap<K> read(@NotNull final DataInput in) throws IOException { |
| final int size = in.readInt(); |
| final TObjectIntHashMap<K> map = new TObjectIntHashMap<K>(size); |
| for (int i = 0; i < size; i++) { |
| map.put(myKeyDataExternalizer.read(in), in.readInt()); |
| } |
| return map; |
| } |
| |
| private static class IoExceptionRuntimeWrapperException extends RuntimeException { |
| private final IOException myIoException; |
| |
| private IoExceptionRuntimeWrapperException(final IOException ioException) { |
| myIoException = ioException; |
| } |
| |
| public IOException getIoException() { |
| return myIoException; |
| } |
| } |
| } |