FileAttachment.java

package play.db.jpa;

import java.io.File;
import javax.persistence.Embeddable;
import javax.persistence.Transient;
import play.Play;
import play.libs.Files;

/**
 * Please use play.db.jpa.Blob now
 */
@Embeddable
@Deprecated
public class FileAttachment {

    @Transient
    Object model;
    @Transient
    String name;
    @Transient
    File f;
    public String filename;

    public FileAttachment() {
    }

    FileAttachment(Object model, String name) {
        this.model = model;
        this.name = name;
    }

    public File get() {
        if (f != null) {
            return f;
        }
        File file = new File(getStore(), model.getClass().getName() + "." + name + "_" + ((Model) model)._key());
        if (file.exists()) {
            f = file;
        }
        return f;
    }

    public void set(File file) {
        f = file;
    }

    void save() {
        if (f != null) {
            File to = new File(getStore(), model.getClass().getName() + "." + name + "_" + ((Model) model)._key());
            Files.copy(f, to);
        }
    }

    void delete() {
        File to = new File(getStore(), model.getClass().getName() + "." + name + "_" + ((Model) model)._key());
        if (to.exists()) {
            to.delete();
        }
        name = null;
    }

    public boolean isSet() {
        return f != null || get() != null;
    }

    public static File getStore() {
        String name = Play.configuration.getProperty("attachments.path", "attachments");
        File store = null;
        if (new File(name).isAbsolute()) {
            store = new File(name);
        } else {
            store = Play.getFile(name);
        }
        if (!store.exists()) {
            store.mkdirs();
        }
        return store;
    }

    // Make it compatible with new Blob

    @Deprecated
    public boolean exists() {
        return isSet();
    }

    @Deprecated
    public long length() {
        return get().length();
    }
    
}