/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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 org.jboss.weld.config;
import static org.jboss.weld.config.WeldConfiguration.checkRequiredType;
import static org.jboss.weld.config.WeldConfiguration.getSystemProperty;
/**
* If a configuration property needs to be accessed before the Weld container initializes, the system property is so far the only option.
*
* @author Martin Kouba
* @see ConfigurationKey
*/
public final class SystemPropertiesConfiguration {
public static final SystemPropertiesConfiguration INSTANCE = new SystemPropertiesConfiguration();
private boolean xmlValidationDisabled;
private SystemPropertiesConfiguration() {
xmlValidationDisabled = initSystemProperty(ConfigurationKey.DISABLE_XML_VALIDATION, Boolean.class);
}
/**
* XML descriptor validation is enabled by default.
*
* @return <code>true</code> if the validation is disabled, <code>false</code> otherwise
*/
public boolean isXmlValidationDisabled() {
return xmlValidationDisabled;
}
@SuppressWarnings("unchecked")
private <T> T initSystemProperty(ConfigurationKey key, Class<T> requiredType) {
checkRequiredType(key, requiredType);
String property = getSystemProperty(key.get());
return (T) (property != null ? key.convertValue(property) : key.getDefaultValue());
}
}