CompoEntryFile.java
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/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package fi.codecrew.moya.model;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Calendar;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.JoinColumn;
import javax.persistence.Lob;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import org.apache.commons.codec.binary.Hex;
import org.eclipse.persistence.annotations.OptimisticLocking;
import org.eclipse.persistence.annotations.OptimisticLockingType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
*/
@Entity
@Table(name = "compo_entry_files")
@OptimisticLocking(type = OptimisticLockingType.CHANGED_COLUMNS)
public class CompoEntryFile extends GenericEntity {
private static final long serialVersionUID = 1L;
@Column(name = "mime_type")
private String mimeType;
@Column(name = "file_name")
private String fileName;
@Lob
@Column(name = "description")
private String description;
@Column(name = "hash", updatable = false)
private String hash;
@Lob
@Column(name = "file_data", updatable = false)
@Basic(fetch = FetchType.LAZY)
private byte[] fileData;
@Column(name = "uploaded", nullable = false)
@Temporal(TemporalType.TIMESTAMP)
private Calendar uploaded = Calendar.getInstance();
@JoinColumn(name = "entry_id", referencedColumnName = "id", nullable = false, updatable = false)
@ManyToOne(optional = false)
private CompoEntry entry;
private static final Logger logger = LoggerFactory.getLogger(CompoEntryFile.class);
public CompoEntryFile() {
super();
}
public CompoEntryFile(CompoEntry entry) {
this.entry = entry;
}
public String getMimeType() {
return mimeType;
}
public void setMimeType(String mimeType) {
this.mimeType = mimeType;
}
public String getFileName() {
return fileName;
}
public void setFileName(String fileName) {
this.fileName = fileName;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public String getHash() {
return hash;
}
public void setHash(String hash) {
this.hash = hash;
}
public byte[] getFileData() {
return fileData;
}
public void setFileData(byte[] fileData) {
this.fileData = fileData;
this.hash = getShaChecksum(fileData);
}
public Calendar getUploaded() {
return uploaded;
}
public void setUploaded(Calendar uploaded) {
this.uploaded = uploaded;
}
public CompoEntry getEntriesId() {
return entry;
}
public void setEntriesId(CompoEntry entriesId) {
this.entry = entriesId;
}
public static String getShaChecksum(byte[] data)
{
String ret = "ERROR CALCULATING CHECKSUM!";
try {
MessageDigest algo = MessageDigest.getInstance("SHA");
algo.update(data);
ret = new String(Hex.encodeHex(algo.digest())).toLowerCase();
} catch (NoSuchAlgorithmException e) {
logger.warn("Error calculating checksum", e);
}
return ret;
}
}