buildframework/helium/sf/java/core/src/com/nokia/helium/core/ant/types/HlmListenerDef.java
author wbernard
Fri, 13 Aug 2010 14:59:05 +0300
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/*
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 * Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).
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 * All rights reserved.
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 * This component and the accompanying materials are made available
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 * under the terms of the License "Eclipse Public License v1.0"
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 * which accompanies this distribution, and is available
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 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
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 *
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 * Initial Contributors:
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 * Nokia Corporation - initial contribution.
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 *
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 * Contributors:
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 *
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 * Description:  
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 *
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 */
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package com.nokia.helium.core.ant.types;
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import org.apache.log4j.Logger;
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import org.apache.tools.ant.BuildException;
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import org.apache.tools.ant.BuildListener;
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import org.apache.tools.ant.Project;
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import org.apache.tools.ant.types.DataType;
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import com.nokia.helium.core.ant.PreBuildAction;
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/**
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 * This class implements a listener registration action.
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 * 
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 * @ant.type name="listenerdef" category="Core"
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 */
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public class HlmListenerDef extends DataType implements PreBuildAction {
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    private String classname;
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    private Logger log = Logger.getLogger(HlmListenerDef.class);
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    public void setClassname(String classname) {
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        this.classname = classname;
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    }
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    /**
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     * Register given listener to the project.
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     */
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    public void executeOnPreBuild(Project project, String[] targetNames) {
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        try {
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            Class<?> listenerClass = Class.forName(classname);
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            BuildListener listener = (BuildListener) listenerClass
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                    .newInstance();
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            project.addBuildListener(listener);
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            log.debug(classname + " is registered");
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        } catch (ClassNotFoundException ex) {
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            throw new BuildException("Class not found exception:"
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                    + ex.getMessage(), ex);
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        } catch (InstantiationException ex1) {
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            throw new BuildException("Class Instantiation exception:"
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                    + ex1.getMessage(), ex1);
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        } catch (IllegalAccessException ex1) {
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            throw new BuildException("Illegal Class Access exception:"
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                    + ex1.getMessage(), ex1);
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        }
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    }
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}