Media.java

package comeon.model;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.io.File;
import java.util.Map;

public final class Media {
    private final PropertyChangeSupport pcs;

    private final File file;

    private final String fileName;

    private final Template template;

    private String templateText;

    private String renderedTemplate;

    private final Map<String, Object> metadata;

    private final byte[] thumbnail;

    private State state;

    public Media(final File file, final String fileName, final Template template, final Map<String, Object> metadata,
                 final byte[] thumbnail) {
        super();
        this.pcs = new PropertyChangeSupport(this);
        this.file = file;
        this.fileName = fileName;
        this.template = template;
        this.templateText = template.getTemplateText();
        this.metadata = metadata;
        this.thumbnail = thumbnail;
        this.state = State.ToBeUploaded;
    }

    public void renderTemplate(final User user) {
        this.setRenderedTemplate(template.getKind().render(template, templateText, user, this));
    }

    public File getFile() {
        return file;
    }

    public Template getTemplate() {
        return template;
    }

    public String getTemplateText() {
        return templateText;
    }

    public void setTemplateText(final String templateText) {
        final String oldTemplateText = this.templateText;
        this.templateText = templateText;
        pcs.firePropertyChange("templateText", oldTemplateText, templateText);
    }

    public String getRenderedTemplate() {
        return renderedTemplate;
    }

    public void setRenderedTemplate(final String renderedTemplate) {
        final String oldRenderedTemplate = this.renderedTemplate;
        this.renderedTemplate = renderedTemplate;
        pcs.firePropertyChange("renderedTemplate", oldRenderedTemplate, renderedTemplate);
    }

    public Map<String, Object> getMetadata() {
        return metadata;
    }

    public byte[] getThumbnail() {
        return thumbnail;
    }

    public String getFileName() {
        return fileName;
    }

    public State getState() {
        return state;
    }

    public void setState(final State state) {
        final State oldState = this.state;
        this.state = state;
        pcs.firePropertyChange("state", oldState, state);
    }

    public void addPropertyChangeListener(final PropertyChangeListener pcl) {
        this.pcs.addPropertyChangeListener(pcl);
    }

    public void removePropertyChangeLister(final PropertyChangeListener pcl) {
        this.pcs.removePropertyChangeListener(pcl);
    }

    @Override
    public boolean equals(final Object obj) {
        final boolean isEqual;
        if (obj == null) {
            isEqual = false;
        } else if (obj instanceof Media) {
            final Media o = (Media) obj;
            isEqual = this.file.equals(o.file);
        } else {
            isEqual = false;
        }
        return isEqual;
    }

    @Override
    public int hashCode() {
        return this.file.hashCode();
    }

    public enum State {
        ToBeUploaded,
        UploadedSuccessfully,
        FailedUpload
    }
}