/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.karaf.log.core.internal;
import org.apache.karaf.log.core.LogEventFormatter;
import org.apache.karaf.log.core.internal.layout.PatternConverter;
import org.apache.karaf.log.core.internal.layout.PatternParser;
import org.ops4j.pax.logging.spi.PaxLoggingEvent;
public class LogEventFormatterImpl implements LogEventFormatter {
protected String pattern;
protected String fatalColor;
protected String errorColor;
protected String warnColor;
protected String infoColor;
protected String debugColor;
protected String traceColor;
private static final String FATAL = "fatal";
private static final String ERROR = "error";
private static final String WARN = "warn";
private static final String INFO = "info";
private static final String DEBUG = "debug";
private static final String TRACE = "trace";
private static final char FIRST_ESC_CHAR = 27;
private static final char SECOND_ESC_CHAR = '[';
private static final char COMMAND_CHAR = 'm';
public String getPattern() {
return pattern;
}
public void setPattern(String pattern) {
this.pattern = pattern;
}
public String getFatalColor() {
return fatalColor;
}
public void setFatalColor(String fatalColor) {
this.fatalColor = fatalColor;
}
public String getErrorColor() {
return errorColor;
}
public void setErrorColor(String errorColor) {
this.errorColor = errorColor;
}
public String getWarnColor() {
return warnColor;
}
public void setWarnColor(String warnColor) {
this.warnColor = warnColor;
}
public String getInfoColor() {
return infoColor;
}
public void setInfoColor(String infoColor) {
this.infoColor = infoColor;
}
public String getDebugColor() {
return debugColor;
}
public void setDebugColor(String debugColor) {
this.debugColor = debugColor;
}
public String getTraceColor() {
return traceColor;
}
public void setTraceColor(String traceColor) {
this.traceColor = traceColor;
}
/* (non-Javadoc)
* @see org.apache.karaf.log.core.internal.LogEventFormatter#format(org.ops4j.pax.logging.spi.PaxLoggingEvent, java.lang.String, boolean)
*/
@Override
public String format(PaxLoggingEvent event, String overridenPattern, boolean noColor) {
final PatternConverter cnv = new PatternParser(overridenPattern != null ? overridenPattern : pattern).parse();
String color = getColor(event, noColor);
StringBuffer sb = new StringBuffer();
sb.setLength(0);
if (color != null) {
sb.append(FIRST_ESC_CHAR);
sb.append(SECOND_ESC_CHAR);
sb.append(color);
sb.append(COMMAND_CHAR);
}
for (PatternConverter pc = cnv; pc != null; pc = pc.next) {
pc.format(sb, event);
}
if (event.getThrowableStrRep() != null) {
for (String r : event.getThrowableStrRep()) {
sb.append(r).append('\n');
}
}
if (color != null) {
sb.append(FIRST_ESC_CHAR);
sb.append(SECOND_ESC_CHAR);
sb.append("0");
sb.append(COMMAND_CHAR);
}
return sb.toString();
}
private String getColor(PaxLoggingEvent event, boolean noColor) {
String color = null;
if (!noColor) {
String lvl = event.getLevel().toString().toLowerCase();
if (FATAL.equals(lvl)) {
color = fatalColor;
} else if (ERROR.equals(lvl)) {
color = errorColor;
} else if (WARN.equals(lvl)) {
color = warnColor;
} else if (INFO.equals(lvl)) {
color = infoColor;
} else if (DEBUG.equals(lvl)) {
color = debugColor;
} else if (TRACE.equals(lvl)) {
color = traceColor;
}
if (color != null && color.length() == 0) {
color = null;
}
}
return color;
}
}