/*******************************************************************************
* Copyright (c) 2000, 2013 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ant.internal.core.ant;
import java.text.MessageFormat; // can't use ICU in ant
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.input.DefaultInputHandler;
import org.apache.tools.ant.input.InputHandler;
/**
* This class exists so that the Ant integration has backwards compatibility with Ant releases previous to 1.5. InputHandlers are a new feature of Ant
* 1.5.
*/
class InputHandlerSetter {
protected void setInputHandler(Project project, String inputHandlerClassname) {
InputHandler handler = null;
if (inputHandlerClassname == null) {
handler = new DefaultInputHandler();
} else {
try {
handler = (InputHandler) (Class.forName(inputHandlerClassname).newInstance());
}
catch (ClassCastException e) {
String msg = MessageFormat.format(InternalAntMessages.InternalAntRunner_handler_does_not_implement_InputHandler5, new Object[] { inputHandlerClassname });
throw new BuildException(msg, e);
}
catch (Exception e) {
String msg = MessageFormat.format(InternalAntMessages.InternalAntRunner_Unable_to_instantiate_input_handler_class, new Object[] {
inputHandlerClassname, e.getClass().getName() });
throw new BuildException(msg, e);
}
}
project.setInputHandler(handler);
project.setProjectReference(handler);
}
}