diff options
Diffstat (limited to 'trunk/qpid/java/broker/src/main/java/org/apache/qpid/configuration/Configuration.java')
| -rw-r--r-- | trunk/qpid/java/broker/src/main/java/org/apache/qpid/configuration/Configuration.java | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/trunk/qpid/java/broker/src/main/java/org/apache/qpid/configuration/Configuration.java b/trunk/qpid/java/broker/src/main/java/org/apache/qpid/configuration/Configuration.java new file mode 100644 index 0000000000..40ff590a0a --- /dev/null +++ b/trunk/qpid/java/broker/src/main/java/org/apache/qpid/configuration/Configuration.java @@ -0,0 +1,188 @@ +/* + * 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.qpid.configuration; + +import org.apache.commons.cli.CommandLine; +import org.apache.commons.cli.Option; +import org.apache.commons.cli.Options; +import org.apache.commons.cli.ParseException; +import org.apache.commons.cli.PosixParser; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.File; + +public class Configuration +{ + public static final String QPID_HOME = "QPID_HOME"; + + final String QPIDHOME = System.getProperty(QPID_HOME); + + private static Logger _devlog = LoggerFactory.getLogger(Configuration.class); + + public static final String DEFAULT_LOG_CONFIG_FILENAME = "log4j.xml"; + public static final String DEFAULT_CONFIG_FILE = "etc/config.xml"; + + protected final Options _options = new Options(); + protected CommandLine _commandLine; + protected File _configFile; + + + public Configuration() + { + + } + + public void processCommandline(String[] args) throws InitException + { + try + { + _commandLine = new PosixParser().parse(_options, args); + } + catch (ParseException e) + { + throw new InitException("Unable to parse commmandline", e); + } + + final File defaultConfigFile = new File(QPIDHOME, DEFAULT_CONFIG_FILE); + setConfig(new File(_commandLine.getOptionValue("c", defaultConfigFile.getPath()))); + } + + public void setConfig(File file) + { + _configFile = file; + } + + /** + * @param option The option to set. + */ + public void setOption(Option option) + { + _options.addOption(option); + } + + /** + * getOptionValue from the configuration + * @param option variable argument, first string is option to get, second if present is the default value. + * @return the String for the given option or null if not present (if default value not specified) + */ + public String getOptionValue(String... option) + { + if (option.length == 1) + { + return _commandLine.getOptionValue(option[0]); + } + else if (option.length == 2) + { + return _commandLine.getOptionValue(option[0], option[1]); + } + return null; + } + + public void loadConfig(File file) throws InitException + { + setConfig(file); + loadConfig(); + } + + private void loadConfig() throws InitException + { + if (!_configFile.exists()) + { + String error = "File " + _configFile + " could not be found. Check the file exists and is readable."; + + if (QPIDHOME == null) + { + error = error + "\nNote: " + QPID_HOME + " is not set."; + } + + throw new InitException(error, null); + } + else + { + _devlog.debug("Using configuration file " + _configFile.getAbsolutePath()); + } + +// String logConfig = _commandLine.getOptionValue("l"); +// String logWatchConfig = _commandLine.getOptionValue("w", "0"); +// if (logConfig != null) +// { +// File logConfigFile = new File(logConfig); +// configureLogging(logConfigFile, logWatchConfig); +// } +// else +// { +// File configFileDirectory = _configFile.getParentFile(); +// File logConfigFile = new File(configFileDirectory, DEFAULT_LOG_CONFIG_FILENAME); +// configureLogging(logConfigFile, logWatchConfig); +// } + } + + +// private void configureLogging(File logConfigFile, String logWatchConfig) +// { +// int logWatchTime = 0; +// try +// { +// logWatchTime = Integer.parseInt(logWatchConfig); +// } +// catch (NumberFormatException e) +// { +// _devlog.error("Log watch configuration value of " + logWatchConfig + " is invalid. Must be " +// + "a non-negative integer. Using default of zero (no watching configured"); +// } +// +// if (logConfigFile.exists() && logConfigFile.canRead()) +// { +// _devlog.info("Configuring logger using configuration file " + logConfigFile.getAbsolutePath()); +// if (logWatchTime > 0) +// { +// _devlog.info("log file " + logConfigFile.getAbsolutePath() + " will be checked for changes every " +// + logWatchTime + " seconds"); +// // log4j expects the watch interval in milliseconds +// DOMConfigurator.configureAndWatch(logConfigFile.getAbsolutePath(), logWatchTime * 1000); +// } +// else +// { +// DOMConfigurator.configure(logConfigFile.getAbsolutePath()); +// } +// } +// else +// { +// System.err.println("Logging configuration error: unable to read file " + logConfigFile.getAbsolutePath()); +// System.err.println("Using basic log4j configuration"); +// BasicConfigurator.configure(); +// } +// } + + public File getConfigFile() + { + return _configFile; + } + + + public class InitException extends Exception + { + InitException(String msg, Throwable cause) + { + super(msg, cause); + } + } +}
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