| /* |
| * 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.felix.log; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.service.log.LogLevel; |
| import org.osgi.service.log.Logger; |
| import org.osgi.service.log.LoggerConsumer; |
| |
| public class LoggerImpl implements Logger { |
| |
| private static final String ESCAPE = "\\"; |
| private static final String MAX_CHAR = "\uFFFF"; |
| private static final String BRACE_CLOSE = "}"; |
| private static final String BRACE_OPEN = "{"; |
| |
| protected final String m_name; |
| protected final Bundle m_bundle; |
| protected final Log m_log; |
| protected final LoggerAdminImpl m_loggerAdmin; |
| |
| public LoggerImpl(final String name, final Bundle bundle, final Log log, final LoggerAdminImpl loggerAdmin) { |
| m_name = name; |
| m_bundle = bundle; |
| m_log = log; |
| m_loggerAdmin = loggerAdmin; |
| } |
| |
| @Override |
| public String getName() { |
| return m_name; |
| } |
| |
| @Override |
| public boolean isTraceEnabled() { |
| return m_loggerAdmin.getLoggerContext(m_bundle, m_name).getEffectiveLogLevel(m_name).implies(LogLevel.TRACE); |
| } |
| |
| void trace(String message, ServiceReference<?> serviceReference, Throwable t) { |
| if (!isTraceEnabled()) return; |
| m_log.log(m_name, m_bundle, serviceReference, LogLevel.TRACE, message, t); |
| } |
| |
| @Override |
| public void trace(String message) { |
| trace(message, (ServiceReference<?>)null, null); |
| } |
| |
| @Override |
| public void trace(String format, Object arg) { |
| LogParameters logParameters = getLogParameters(arg); |
| trace(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public void trace(String format, Object arg1, Object arg2) { |
| LogParameters logParameters = getLogParameters(arg1, arg2); |
| trace(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public void trace(String format, Object... arguments) { |
| LogParameters logParameters = getLogParameters(arguments); |
| trace(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public <E extends Exception> void trace(LoggerConsumer<E> consumer) throws E { |
| if (isTraceEnabled()) { |
| consumer.accept(this); |
| } |
| } |
| |
| @Override |
| public boolean isDebugEnabled() { |
| return m_loggerAdmin.getLoggerContext(m_bundle, m_name).getEffectiveLogLevel(m_name).implies(LogLevel.DEBUG); |
| } |
| |
| void debug(String message, ServiceReference<?> serviceReference, Throwable t) { |
| if (!isDebugEnabled()) return; |
| m_log.log(m_name, m_bundle, serviceReference, LogLevel.DEBUG, message, t); |
| } |
| |
| @Override |
| public void debug(String message) { |
| debug(message, (ServiceReference<?>)null, null); |
| } |
| |
| @Override |
| public void debug(String format, Object arg) { |
| LogParameters logParameters = getLogParameters(arg); |
| debug(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public void debug(String format, Object arg1, Object arg2) { |
| LogParameters logParameters = getLogParameters(arg1, arg2); |
| debug(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public void debug(String format, Object... arguments) { |
| LogParameters logParameters = getLogParameters(arguments); |
| debug(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public <E extends Exception> void debug(LoggerConsumer<E> consumer) throws E { |
| if (isDebugEnabled()) { |
| consumer.accept(this); |
| } |
| } |
| |
| @Override |
| public boolean isInfoEnabled() { |
| return m_loggerAdmin.getLoggerContext(m_bundle, m_name).getEffectiveLogLevel(m_name).implies(LogLevel.INFO); |
| } |
| |
| void info(String message, ServiceReference<?> serviceReference, Throwable t) { |
| if (!isInfoEnabled()) return; |
| m_log.log(m_name, m_bundle, serviceReference, LogLevel.INFO, message, t); |
| } |
| |
| @Override |
| public void info(String message) { |
| info(message, (ServiceReference<?>)null, null); |
| } |
| |
| @Override |
| public void info(String format, Object arg) { |
| LogParameters logParameters = getLogParameters(arg); |
| info(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public void info(String format, Object arg1, Object arg2) { |
| LogParameters logParameters = getLogParameters(arg1, arg2); |
| info(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public void info(String format, Object... arguments) { |
| LogParameters logParameters = getLogParameters(arguments); |
| info(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public <E extends Exception> void info(LoggerConsumer<E> consumer) throws E { |
| if (isInfoEnabled()) { |
| consumer.accept(this); |
| } |
| } |
| |
| @Override |
| public boolean isWarnEnabled() { |
| return m_loggerAdmin.getLoggerContext(m_bundle, m_name).getEffectiveLogLevel(m_name).implies(LogLevel.WARN); |
| } |
| |
| void warn(String message, ServiceReference<?> serviceReference, Throwable t) { |
| if (!isWarnEnabled()) return; |
| m_log.log(m_name, m_bundle, serviceReference, LogLevel.WARN, message, t); |
| } |
| |
| @Override |
| public void warn(String message) { |
| warn(message, (ServiceReference<?>)null, null); |
| } |
| |
| @Override |
| public void warn(String format, Object arg) { |
| LogParameters logParameters = getLogParameters(arg); |
| warn(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public void warn(String format, Object arg1, Object arg2) { |
| LogParameters logParameters = getLogParameters(arg1, arg2); |
| warn(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public void warn(String format, Object... arguments) { |
| LogParameters logParameters = getLogParameters(arguments); |
| warn(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public <E extends Exception> void warn(LoggerConsumer<E> consumer) throws E { |
| if (isWarnEnabled()) { |
| consumer.accept(this); |
| } |
| } |
| |
| @Override |
| public boolean isErrorEnabled() { |
| return m_loggerAdmin.getLoggerContext(m_bundle, m_name).getEffectiveLogLevel(m_name).implies(LogLevel.ERROR); |
| } |
| |
| void error(String message, ServiceReference<?> serviceReference, Throwable t) { |
| if (!isErrorEnabled()) return; |
| m_log.log(m_name, m_bundle, serviceReference, LogLevel.ERROR, message, t); |
| } |
| |
| @Override |
| public void error(String message) { |
| error(message, (ServiceReference<?>)null, null); |
| } |
| |
| @Override |
| public void error(String format, Object arg) { |
| LogParameters logParameters = getLogParameters(arg); |
| error(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public void error(String format, Object arg1, Object arg2) { |
| LogParameters logParameters = getLogParameters(arg1, arg2); |
| error(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public void error(String format, Object... arguments) { |
| LogParameters logParameters = getLogParameters(arguments); |
| error(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public <E extends Exception> void error(LoggerConsumer<E> consumer) throws E { |
| if (isErrorEnabled()) { |
| consumer.accept(this); |
| } |
| } |
| |
| public void audit(String message, ServiceReference<?> serviceReference, Throwable t) { |
| m_log.log(m_name, m_bundle, serviceReference, LogLevel.AUDIT, message, t); |
| } |
| |
| @Override |
| public void audit(String message) { |
| audit(message, (ServiceReference<?>)null, null); |
| } |
| |
| @Override |
| public void audit(String format, Object arg) { |
| LogParameters logParameters = getLogParameters(arg); |
| audit(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public void audit(String format, Object arg1, Object arg2) { |
| LogParameters logParameters = getLogParameters(arg1, arg2); |
| audit(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| @Override |
| public void audit(String format, Object... arguments) { |
| LogParameters logParameters = getLogParameters(arguments); |
| audit(format(format, logParameters), logParameters.sr, logParameters.t); |
| } |
| |
| public void log( |
| final int level, |
| final String message, |
| final ServiceReference<?> sr, |
| final Throwable exception) { |
| |
| m_log.addEntry(new LogEntryImpl(m_name, m_bundle, sr, level, message, exception, Log.getStackTraceElement())); |
| } |
| |
| LogParameters getLogParameters(Object arg) { |
| return getLogParameters0(arg); |
| } |
| |
| LogParameters getLogParameters(Object arg1, Object arg2) { |
| return getLogParameters0(arg1, arg2); |
| } |
| |
| LogParameters getLogParameters(Object... arguments) { |
| return getLogParameters0(arguments); |
| } |
| |
| LogParameters getLogParameters0(Object... arguments) { |
| if (arguments == null || arguments.length == 0) { |
| return new LogParameters(null, null, null); |
| } |
| ServiceReference<?> sr = null; |
| Throwable t = null; |
| List<Object> args = new ArrayList<>(); |
| for (Object arg : arguments) { |
| if (t == null && arg instanceof Throwable) { |
| t = (Throwable)arg; |
| } |
| else if (sr == null && arg instanceof ServiceReference) { |
| sr = (ServiceReference<?>)arg; |
| } |
| else if (arg != null) { |
| args.add(arg); |
| } |
| } |
| return new LogParameters(args.toArray(), sr, t); |
| } |
| |
| String format(String format, LogParameters logParameters) { |
| if (logParameters.isEmpty()) { |
| return format; |
| } |
| StringBuilder sb = new StringBuilder(); |
| int offset = 0; |
| int length = format.length(); |
| String previous = MAX_CHAR; |
| boolean escape = false; |
| int argIndex = 0; |
| while (offset < length) { |
| int curChar = format.codePointAt(offset); |
| offset += Character.charCount(curChar); |
| String cur = new String(Character.toChars(curChar)); |
| |
| if (argIndex == logParameters.args.length) { |
| sb.append(cur); |
| } |
| else if (escape) { |
| escape = false; |
| sb.append(cur); |
| previous = MAX_CHAR; |
| } |
| else if (ESCAPE.equals(cur)) { |
| escape = true; |
| previous = ESCAPE; |
| } |
| else if (BRACE_OPEN.equals(cur)) { |
| if (BRACE_OPEN.equals(previous)) { |
| sb.append(previous); |
| } |
| previous = BRACE_OPEN; |
| } |
| else if (BRACE_CLOSE.equals(cur) && BRACE_OPEN.equals(previous)) { |
| sb.append(logParameters.args[argIndex++]); |
| previous = MAX_CHAR; |
| } |
| else { |
| sb.append(cur); |
| previous = MAX_CHAR; |
| } |
| } |
| |
| return sb.toString(); |
| } |
| |
| static class LogParameters { |
| public LogParameters(Object[] args, ServiceReference<?> sr, Throwable t) { |
| this.args = args; |
| this.sr = sr; |
| this.t = t; |
| } |
| public boolean isEmpty() { |
| return (args == null) || (args.length == 0); |
| } |
| final Object[] args; |
| final ServiceReference<?> sr; |
| final Throwable t; |
| } |
| |
| } |