// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

package com.symbian.ant;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.StringReader;

import org.apache.tools.ant.BuildEvent;

import org.apache.tools.ant.DefaultLogger;

import org.apache.tools.ant.Project;

import org.apache.tools.ant.util.StringUtils;

public class ScanLogger extends DefaultLogger {

    /**

     * Logs a message, if the priority is suitable.

     * In non-emacs mode, task level messages are prefixed by the

     * task name which is right-justified.

     *

     * @param event A BuildEvent containing message information.

     *              Must not be <code>null</code>.

     */

    public void messageLogged(BuildEvent event) {

        int priority = event.getPriority();

        // Filter out messages based on priority

        if (priority <= msgOutputLevel) {

            StringBuffer message = new StringBuffer();

            if (event.getTask() != null && !emacsMode) {

                // Print out the name of the task if we're in one

                String name = event.getTask().getTaskName();

                String label = "[" + name + "] ";

                int size = LEFT_COLUMN_SIZE - label.length();

                StringBuffer tmp = new StringBuffer();

                for (int i = 0; i < size; i++) {

                    tmp.append(" ");

                }

                tmp.append(label);

                label = tmp.toString();

                try {

                    BufferedReader r =

                        new BufferedReader(

                            new StringReader(event.getMessage()));

                    String line = r.readLine();

                    boolean first = true;

                    while (line != null) {

                        if (!first) {

                            message.append(StringUtils.LINE_SEP);

                        }

                        first = false;

                        message.append(label).append(line);

                        line = r.readLine();

                    }

                } catch (IOException e) {

                    // shouldn't be possible

                    message.append("ERROR:").append(label).append(event.getMessage());

                }

            } else {

                message.append(event.getMessage());

            }

            String msg = message.toString();

            if (priority != Project.MSG_ERR) {

                printMessage(msg, out, priority);

            } else {

                printMessage("ERROR:" + msg, err, priority);

            }

            log(msg);

        }

    }

}