001    /*
002     * Copyright 2010-2015 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.kotlin.cli.jvm.repl;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.kotlin.cli.common.messages.MessageCollector;
021    import org.jetbrains.kotlin.cli.common.messages.MessageRenderer;
022    import org.jetbrains.kotlin.cli.common.messages.PrintingMessageCollector;
023    
024    import java.io.ByteArrayOutputStream;
025    import java.io.PrintStream;
026    import java.nio.ByteBuffer;
027    import java.nio.charset.Charset;
028    
029    public class ReplMessageCollectorWrapper {
030        private static final Charset UTF8 = Charset.forName("utf-8");
031    
032        private final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
033        private final MessageCollector actualCollector =
034                new PrintingMessageCollector(new PrintStream(outputStream), MessageRenderer.PLAIN_FULL_PATHS, false);
035    
036        @NotNull
037        public MessageCollector getMessageCollector() {
038            return actualCollector;
039        }
040    
041        @NotNull
042        public String getString() {
043            return UTF8.decode(ByteBuffer.wrap(outputStream.toByteArray())).toString();
044        }
045    }