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Diffstat (limited to 'qadevOOo/runner/util/DynamicClassLoader.java')
-rw-r--r-- | qadevOOo/runner/util/DynamicClassLoader.java | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/qadevOOo/runner/util/DynamicClassLoader.java b/qadevOOo/runner/util/DynamicClassLoader.java new file mode 100644 index 000000000..e2bab1f9d --- /dev/null +++ b/qadevOOo/runner/util/DynamicClassLoader.java @@ -0,0 +1,97 @@ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +package util; + +import java.lang.reflect.Constructor; + +public class DynamicClassLoader { + + /** + * This method returns a class created by its name + * created by call to <code>Class.forName()</code>.<p> + * This method must be overridden if another loading + * policy is required for Component and Interface + * testing classes. + * @param className The name of the class to create. + * @return The created class. + */ + private static Class<?> forName(String className) + throws ClassNotFoundException { + + return Class.forName(className) ; + } + + /** + * Get an instance of a class. The empty constructor is used. + * @param className The class to instantiate. + * @return The instance of the class. + */ + public Object getInstance(String className) + throws IllegalArgumentException { + try { + Class<?> cls = DynamicClassLoader.forName(className); + return cls.newInstance(); + } catch ( ClassNotFoundException e ) { + throw new IllegalArgumentException("Couldn't find " + className + + " " + e); + } catch ( IllegalAccessException e ) { + throw new IllegalArgumentException("Couldn't access " + className + + " " + e); + } catch ( InstantiationException e ) { + throw new IllegalArgumentException("Couldn't instantiate " + + className + " " + e); + } + } + + /** + * Get an instance of a class. The constructor matching to the + * given calls types is used and the instance is created using the arguments + * for the constructor. + * @param className The class to instantiate. + * @param ctorClassTypes The class types matching to the constructor. + * @param ctorArgs Arguments for the constructor. + * @return The instance of the class. + */ + public Object getInstance(String className, Class<?>[]ctorClassTypes, Object[] ctorArgs) + throws IllegalArgumentException { + try { + Class<?> cls = DynamicClassLoader.forName(className); + Constructor<?> ctor = cls.getConstructor(ctorClassTypes); + System.out.println("ctor: " + ctor.getName() + " " + ctor.getModifiers()); + + return ctor.newInstance(ctorArgs); + } catch ( ClassNotFoundException e ) { + throw new IllegalArgumentException("Couldn't find " + className + + " " + e); + } catch ( IllegalAccessException e ) { + throw new IllegalArgumentException("Couldn't access " + className + + " " + e); + } catch ( NoSuchMethodException e ) { + throw new IllegalArgumentException("Couldn't find constructor for " + className + + " " + e); + } catch ( java.lang.reflect.InvocationTargetException e ) { + e.printStackTrace(); + throw new IllegalArgumentException("Couldn't invoke " + + className + " " + e); + } catch ( InstantiationException e ) { + throw new IllegalArgumentException("Couldn't instantiate " + + className + " " + e); + } + } +} |