/*
 * Copyright 2015 Hiroki Uchida
 * 
 * Licensed 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 dmm4j.conf;

/**
 * Static factory of Configuration. This class wraps ConfigurationFactory implementations.<br>
 * By default, dmm4j.conf.PropertyConfigurationFactory will be used and can be changed with
 * -Ddmm4j.configurationFactory system property.
 *
 */
public final class ConfigurationContext {
  private static final String DEFAULT_CONFIGURATION_FACTORY =
      "dmm4j.conf.PropertyConfigurationFactory";
  private static final String CONFIGURATION_IMPL = "dmm4j.configurationFactory";
  private static final ConfigurationFactory factory;

  static {
    String CONFIG_IMPL;
    try {
      CONFIG_IMPL = System.getProperty(CONFIGURATION_IMPL, DEFAULT_CONFIGURATION_FACTORY);
    } catch (SecurityException ignore) {
      // Unsigned applets are not allowed to access System properties
      CONFIG_IMPL = DEFAULT_CONFIGURATION_FACTORY;
    }

    try {
      factory = (ConfigurationFactory) Class.forName(CONFIG_IMPL).newInstance();
    } catch (ClassNotFoundException cnfe) {
      throw new AssertionError(cnfe);
    } catch (InstantiationException ie) {
      throw new AssertionError(ie);
    } catch (IllegalAccessException iae) {
      throw new AssertionError(iae);
    }
  }


  public static Configuration getInstance() {
    return factory.getInstance();
  }

  public static Configuration getInstance(String configTreePath) {
    return factory.getInstance(configTreePath);
  }
}

/*
 * Copyright 2015 Hiroki Uchida
 * 
 * Licensed 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 dmm4j.conf;

/**
 * Static factory of Configuration. This class wraps ConfigurationFactory implementations.<br>
 * By default, dmm4j.conf.PropertyConfigurationFactory will be used and can be changed with
 * -Ddmm4j.configurationFactory system property.
 *
 */
public final class ConfigurationContext {
  private static final String DEFAULT_CONFIGURATION_FACTORY =
      "dmm4j.conf.PropertyConfigurationFactory";
  private static final String CONFIGURATION_IMPL = "dmm4j.ConfigurationFactory";
  private static final ConfigurationFactory factory;

  static {
    String CONFIG_IMPL;
    try {
      CONFIG_IMPL = System.getProperty(CONFIGURATION_IMPL, DEFAULT_CONFIGURATION_FACTORY);
    } catch (SecurityException ignore) {
      // Unsigned applets are not allowed to access System properties
      CONFIG_IMPL = DEFAULT_CONFIGURATION_FACTORY;
    }

    try {
      factory = (ConfigurationFactory) Class.forName(CONFIG_IMPL).newInstance();
    } catch (ClassNotFoundException cnfe) {
      throw new AssertionError(cnfe);
    } catch (InstantiationException ie) {
      throw new AssertionError(ie);
    } catch (IllegalAccessException iae) {
      throw new AssertionError(iae);
    }
  }


  public static Configuration getInstance() {
    return factory.getInstance();
  }

  public static Configuration getInstance(String configTreePath) {
    return factory.getInstance(configTreePath);
  }
}

Fix ConfigurationContext