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.PrintStream;
022    
023    import static org.jetbrains.jet.cli.common.messages.CompilerMessageSeverity.LOGGING;
024    import static org.jetbrains.jet.cli.common.messages.CompilerMessageSeverity.OUTPUT;
025    
026    public class PrintingMessageCollector implements MessageCollector {
027    
028        private final boolean verbose;
029        private final PrintStream errStream;
030        private final MessageRenderer messageRenderer;
031    
032        public PrintingMessageCollector(
033                @NotNull PrintStream errStream,
034                @NotNull MessageRenderer messageRenderer,
035                boolean verbose
036        ) {
037            this.verbose = verbose;
038            this.errStream = errStream;
039            this.messageRenderer = messageRenderer;
040        }
041    
042        @Override
043        public void report(
044                @NotNull CompilerMessageSeverity severity,
045                @NotNull String message,
046                @NotNull CompilerMessageLocation location
047        ) {
048            boolean verboseMessage = severity == LOGGING || severity == OUTPUT;
049            if (!verbose && verboseMessage) return;
050    
051            errStream.println(messageRenderer.render(severity, message, location));
052        }
053    }