at.jku.ce.adaptivetesting.vaadin.ui.LogView.java Source code

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Here is the source code for at.jku.ce.adaptivetesting.vaadin.ui.LogView.java

Source

package at.jku.ce.adaptivetesting.vaadin.ui;

/*This file is part of the project "Reisisoft Adaptive Testing",
 * which is licenced under LGPL v3+. You may find a copy in the source,
 * or obtain one at http://www.gnu.org/licenses/lgpl-3.0-standalone.html */
import java.io.File;
import java.io.IOException;
import java.nio.charset.Charset;

import at.jku.ce.adaptivetesting.core.LogHelper;

import com.google.common.io.Files;
import com.vaadin.navigator.View;
import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;
import com.vaadin.shared.ui.label.ContentMode;
import com.vaadin.ui.Label;

public class LogView extends Label implements View {
    private File file;

    public LogView(File file) {
        this.file = file;
        setContentMode(ContentMode.PREFORMATTED);

    }

    private static final long serialVersionUID = 5066697583930352899L;

    @Override
    public void enter(ViewChangeEvent event) {
        String fileContent;
        try {
            fileContent = Files.toString(file, Charset.defaultCharset());
        } catch (IOException e) {
            LogHelper.logThrowable(e);
            fileContent = "Could not load file due to:" + e.getClass().getName() + " " + e.getMessage();
        }
        setValue(fileContent);
    }
}