001    /*
002     * Copyright 2010-2013 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.jet.cli.common.messages;
018    
019    import org.jetbrains.annotations.NotNull;
020    
021    import java.io.ByteArrayOutputStream;
022    import java.io.PrintStream;
023    import java.nio.ByteBuffer;
024    import java.nio.charset.Charset;
025    
026    public class MessageCollectorToString implements MessageCollector {
027        private final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
028        private final MessageCollector actualCollector = new MessageCollectorPlainTextToStream(new PrintStream(outputStream),
029                                                                                               MessageCollectorPlainTextToStream.NON_VERBOSE);
030    
031        @Override
032        public void report(@NotNull CompilerMessageSeverity severity, @NotNull String message, @NotNull CompilerMessageLocation location) {
033            actualCollector.report(severity, message, location);
034        }
035    
036        private static final Charset UTF8 = Charset.forName("utf-8");
037    
038        @NotNull
039        public String getString() {
040            return UTF8.decode(ByteBuffer.wrap(outputStream.toByteArray())).toString();
041        }
042    }