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206 changes: 206 additions & 0 deletions
206
SMTInterpol/src/de/uni_freiburg/informatik/ultimate/smtinterpol/DefaultLogger.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,206 @@ | ||
| /* | ||
| * Copyright (C) 2014 University of Freiburg | ||
| * | ||
| * This file is part of SMTInterpol. | ||
| * | ||
| * SMTInterpol is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Lesser General Public License as published | ||
| * by the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * SMTInterpol 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 Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public License | ||
| * along with SMTInterpol. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package de.uni_freiburg.informatik.ultimate.smtinterpol; | ||
|
|
||
| import java.io.IOException; | ||
| import java.io.PrintWriter; | ||
| import java.util.Formatter; | ||
|
|
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| public class DefaultLogger implements LogProxy { | ||
|
|
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| // Multithreading support | ||
| private static final Object LOCK = new Object(); | ||
|
|
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| // Loglevel strings | ||
| private static final String[] LEVELS = { | ||
| "FATAL", | ||
| "ERROR", | ||
| "WARN", | ||
| "INFO", | ||
| "DEBUG", | ||
| "TRACE" | ||
| }; | ||
|
|
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| private PrintWriter mWriter = new PrintWriter(System.err); | ||
| private Formatter mFormat = new Formatter(mWriter); | ||
| private String mDest = "stderr"; | ||
|
|
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| private int mLevel = Config.DEFAULT_LOG_LEVEL; | ||
|
|
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| @Override | ||
| public void setLoglevel(int level) { | ||
| mLevel = level; | ||
| } | ||
|
|
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| @Override | ||
| public int getLoglevel() { | ||
| return mLevel; | ||
| } | ||
|
|
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| private final boolean isEnabled(int lvl) { | ||
| return lvl <= mLevel; | ||
| } | ||
|
|
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| private final void log(int lvl, Object msg) { | ||
| synchronized (LOCK) { | ||
| mWriter.print(LEVELS[lvl - 1]); | ||
| mWriter.print(" - "); | ||
| mWriter.println(msg); | ||
| mWriter.flush(); | ||
| } | ||
| } | ||
|
|
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| private final void log(int lvl, String msg, Object[] params) { | ||
| if (params.length == 0) | ||
| log(lvl, msg); | ||
| synchronized (LOCK) { | ||
| mWriter.print(LEVELS[lvl - 1]); | ||
| mWriter.print(" - "); | ||
| mFormat.format(msg, params); | ||
| mWriter.println(); | ||
| mWriter.flush(); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public boolean isFatalEnabled() { | ||
| return isEnabled(LOGLEVEL_FATAL); | ||
| } | ||
|
|
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| @Override | ||
| public void fatal(String msg, Object... params) { | ||
| if (isFatalEnabled()) | ||
| log(LOGLEVEL_FATAL, msg, params); | ||
| } | ||
|
|
||
| @Override | ||
| public void fatal(Object msg) { | ||
| if (isFatalEnabled()) | ||
| log(LOGLEVEL_FATAL, msg); | ||
| } | ||
|
|
||
| @Override | ||
| public void outOfMemory(String msg) { | ||
| if (isFatalEnabled()) | ||
| log(LOGLEVEL_FATAL, msg); | ||
| } | ||
|
|
||
| @Override | ||
| public boolean isErrorEnabled() { | ||
| return isEnabled(LOGLEVEL_ERROR); | ||
| } | ||
|
|
||
| @Override | ||
| public void error(String msg, Object... params) { | ||
| if (isErrorEnabled()) | ||
| log(LOGLEVEL_ERROR, msg, params); | ||
| } | ||
|
|
||
| @Override | ||
| public void error(Object msg) { | ||
| if (isErrorEnabled()) | ||
| log(LOGLEVEL_ERROR, msg); | ||
| } | ||
|
|
||
| @Override | ||
| public boolean isWarnEnabled() { | ||
| return isEnabled(LOGLEVEL_WARN); | ||
| } | ||
|
|
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| @Override | ||
| public void warn(String msg, Object... params) { | ||
| if (isWarnEnabled()) | ||
| log(LOGLEVEL_WARN, msg, params); | ||
| } | ||
|
|
||
| @Override | ||
| public void warn(Object msg) { | ||
| if (isWarnEnabled()) | ||
| log(LOGLEVEL_WARN, msg); | ||
| } | ||
|
|
||
| @Override | ||
| public boolean isInfoEnabled() { | ||
| return isEnabled(LOGLEVEL_INFO); | ||
| } | ||
|
|
||
| @Override | ||
| public void info(String msg, Object... params) { | ||
| if (isInfoEnabled()) | ||
| log(LOGLEVEL_INFO, msg, params); | ||
| } | ||
|
|
||
| @Override | ||
| public void info(Object msg) { | ||
| if (isInfoEnabled()) | ||
| log(LOGLEVEL_INFO, msg); | ||
| } | ||
|
|
||
| @Override | ||
| public boolean isDebugEnabled() { | ||
| return isEnabled(LOGLEVEL_DEBUG); | ||
| } | ||
|
|
||
| @Override | ||
| public void debug(String msg, Object... params) { | ||
| if (isDebugEnabled()) | ||
| log(LOGLEVEL_DEBUG, msg, params); | ||
| } | ||
|
|
||
| @Override | ||
| public void debug(Object msg) { | ||
| if (isDebugEnabled()) | ||
| log(LOGLEVEL_DEBUG, msg); | ||
| } | ||
|
|
||
| @Override | ||
| public boolean isTraceEnabled() { | ||
| return isEnabled(LOGLEVEL_TRACE); | ||
| } | ||
|
|
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| @Override | ||
| public void trace(String msg, Object... params) { | ||
| if (isTraceEnabled()) | ||
| log(LOGLEVEL_TRACE, msg, params); | ||
| } | ||
|
|
||
| @Override | ||
| public void trace(Object msg) { | ||
| if (isTraceEnabled()) | ||
| log(LOGLEVEL_TRACE, msg); | ||
| } | ||
|
|
||
| @Override | ||
| public boolean canChangeDestination() { | ||
| return true; | ||
| } | ||
|
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| @Override | ||
| public void changeDestination(String newDest) throws IOException { | ||
| mWriter = ChannelUtil.createChannel(newDest); | ||
| mFormat = new Formatter(mWriter); | ||
| mDest = newDest; | ||
| } | ||
|
|
||
| @Override | ||
| public String getDestination() { | ||
| return mDest; | ||
| } | ||
|
|
||
| } |
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