Application: gvSIG desktop

package org.gvsig.app.extension.logviewer;

import java.awt.Dimension;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.File;

import java.io.IOException;

import org.apache.commons.io.FileUtils;

import org.gvsig.andami.PluginsLocator;

import org.gvsig.andami.PluginsManager;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.i18n.I18nManager;

import org.slf4j.LoggerFactory;

public class LogViewer extends LogViewerView {

    private static final org.slf4j.Logger logger = LoggerFactory.getLogger(LogViewer.class);

    private final File logfile;

    public LogViewer() {

        PluginsManager pluginsManager = PluginsLocator.getManager();

        this.logfile = FileUtils.getFile(

                pluginsManager.getApplicationHomeFolder(), 

                pluginsManager.getApplicationName() + ".log"

        );

        this.initComponents();

    }

    private void initComponents() {

        this.translateComponents();

        this.btnClose.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent ae) {

                doClose();

            }

        });

        this.btnUpdate.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent ae) {

                doUpdate();

            }

        });

        String s = this.logfile.getAbsolutePath();

        this.txtFilename.setText(s);

        this.txtFilename.setSelectionStart(s.length());

        this.txtFilename.setSelectionEnd(s.length());

        doUpdate();

    }

    @Override

    public Dimension getPreferredSize() {

        Dimension preferredSize = super.getPreferredSize();

        preferredSize.width = Math.max(preferredSize.width, 400);

        preferredSize.height = Math.max(preferredSize.height, 300);

        return preferredSize;

    }

    private void translateComponents() {

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        this.btnClose.setText(i18nManager.getTranslation("_Close"));

        this.btnUpdate.setText(i18nManager.getTranslation("_Update"));

    }

    public void doClose() {

        this.setVisible(false);

    }

    public void doUpdate() {

        try {

            String s = FileUtils.readFileToString(logfile);

            this.txtLogContents.setText(s);

            this.txtLogContents.setSelectionStart(s.length());

            this.txtLogContents.setSelectionEnd(s.length());

        } catch (IOException ex) {

            logger.warn("Can't load log file '"+this.logfile.getAbsolutePath()+"'.",ex);

            this.txtLogContents.setText("Can't load log file\n\n"+ex.toString());

        }

    }

}