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* 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 *
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****************************************************************/
package org.apache.jsieve;
import java.util.Map;
import org.apache.jsieve.exception.LookupException;
import org.apache.jsieve.tests.ExecutableTest;
/**
* Maps Test names to configured Test
* implementation classes.
*/
public class TestManagerImpl implements TestManager {
private final Map classNameMap;
/**
* TestManager is instanciated with getInstance
*/
public TestManagerImpl(final Map classNameMap) {
super();
this.classNameMap = classNameMap;
}
/**
* <p>
* Method lookup answers the class to which a Test name is mapped.
* </p>
*
* @param name -
* The name of the Test
* @return Class - The class of the Test
* @throws LookupException
*/
public Class lookup(String name) throws LookupException {
Class testClass = null;
try {
testClass = getClass().getClassLoader().loadClass(
getClassName(name));
} catch (ClassNotFoundException e) {
throw new LookupException("Test named '" + name + "' not found.");
}
if (!ExecutableTest.class.isAssignableFrom(testClass))
throw new LookupException("Class " + testClass.getName()
+ " must implement " + ExecutableTest.class.getName());
return testClass;
}
/**
* <p>
* Method newInstance answers an instance of the class to which a Test name
* is mapped.
* </p>
*
* @param name -
* The name of the Test
* @return Class - The class of the Test
* @throws LookupException
*/
public ExecutableTest getTest(String name) throws LookupException {
try {
return (ExecutableTest) lookup(name).newInstance();
} catch (InstantiationException e) {
throw new LookupException(e.getMessage());
} catch (IllegalAccessException e) {
throw new LookupException(e.getMessage());
}
}
/**
* <p>
* Method getClassName answers the name of the class to which a Test name is
* mapped.
* </p>
*
* @param name -
* The name of the Test
* @return String - The name of the class
* @throws LookupException
*/
private String getClassName(String name) throws LookupException {
final String className = (String) classNameMap.get(name.toLowerCase());
if (null == className)
throw new LookupException("Test named '" + name + "' not mapped.");
return className;
}
}