AbstractTask.java

/******************************************************************************
 * Copyright (c) 2016 Oracle
 * 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:
 *    Konstantin Komissarchik - initial implementation and ongoing maintenance
 ******************************************************************************/

package org.eclipse.sapphire.releng;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;

/**
 * @author <a href="konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
 */

public abstract class AbstractTask extends Task
{
    protected void info( final String str )
    {
        log( str, org.apache.tools.ant.Project.MSG_INFO );
    }

    protected void warning( final String str )
    {
        log( str, org.apache.tools.ant.Project.MSG_WARN );
    }

    protected void error( final String str )
    {
        log( str, org.apache.tools.ant.Project.MSG_ERR );
    }
    
    protected void fail( final String str )
    {
        error( str );
        throw new BuildException( "Build failed." );
    }

    @Override
    public void log( final String str,
                     final int level )
    {
        StringBuffer line = new StringBuffer();

        for( int i = 0; i < str.length(); i++ )
        {
            final char ch = str.charAt( i );

            if( ch == '\n' )
            {
                if( line.length() == 0 ) line.append( ' ' );
                super.log( line.toString(), level );
                line = new StringBuffer();
            }
            else
            {
                line.append( ch );
            }
        }

        if( line.length() > 0 )
        {
            super.log( line.toString(), level );
        }
    }

}