/**
* Copyright 2011-2017 Asakusa Framework Team.
*
* 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 com.asakusafw.yaess.core;
/**
* The profile context for YAESS.
* @since 0.2.4
*/
public class ProfileContext {
private final ClassLoader classLoader;
private final VariableResolver contextParameters;
/**
* Creates a new instance.
* @param classLoader the class loader to load services
* @param contextParameters the context parameters
* @throws IllegalArgumentException if some parameters were {@code null}
*/
public ProfileContext(ClassLoader classLoader, VariableResolver contextParameters) {
if (classLoader == null) {
throw new IllegalArgumentException("classLoader must not be null"); //$NON-NLS-1$
}
if (contextParameters == null) {
throw new IllegalArgumentException("contextParameters must not be null"); //$NON-NLS-1$
}
this.classLoader = classLoader;
this.contextParameters = contextParameters;
}
/**
* Creates a new context with system variables as context parameters.
* @param classLoader current class loader
* @return the created context object
* @throws IllegalArgumentException if some parameters were {@code null}
*/
public static ProfileContext system(ClassLoader classLoader) {
return new ProfileContext(classLoader, new VariableResolver(System.getenv()));
}
/**
* Returns a class loader to load services.
* @return the class loader
*/
public ClassLoader getClassLoader() {
return classLoader;
}
/**
* Returns context parameters (may be environment variables).
* @return the context parameters
*/
public VariableResolver getContextParameters() {
return contextParameters;
}
}