libreccm/ccm-cms/src/main/java/org/librecms/assets/BinaryAsset.java

308 lines
9.7 KiB
Java

/*
* Copyright (C) 2016 LibreCCM Foundation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
package org.librecms.assets;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import org.librecms.contentsection.Asset;
import java.io.Serializable;
import java.util.Objects;
import javax.activation.MimeType;
import javax.persistence.AssociationOverride;
import javax.persistence.Column;
import javax.persistence.Embedded;
import javax.persistence.Entity;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.Lob;
import javax.persistence.Table;
import org.hibernate.envers.Audited;
import org.hibernate.envers.NotAudited;
import org.libreccm.core.UnexpectedErrorException;
import org.libreccm.imexport.BlobJsonDeserializer;
import org.libreccm.imexport.BlobJsonSerializer;
import org.libreccm.jpa.utils.MimeTypeConverter;
import org.libreccm.l10n.LocalizedString;
import org.libreccm.imexport.MimeTypeJsonDeserializer;
import org.libreccm.imexport.MimeTypeJsonSerializer;
import org.librecms.contentsection.privileges.AssetPrivileges;
import java.io.InputStream;
import java.io.OutputStream;
import java.sql.Blob;
import java.sql.SQLException;
import javax.persistence.Basic;
import javax.persistence.Convert;
import javax.persistence.FetchType;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import static org.librecms.CmsConstants.*;
/**
* Base class for all assets storing binary information, like videos.
*
* @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
*/
@Entity
@Table(name = "BINARY_ASSETS", schema = DB_SCHEMA)
@Audited
@NamedQueries({
@NamedQuery(
name = "BinaryAsset.findById",
query = "SELECT DISTINCT a "
+ "FROM BinaryAsset a "
+ "LEFT JOIN a.permissions p "
+ "WHERE a.objectId = :assetId "
+ "AND ("
+ " ("
+ " p.grantee IN :roles "
+ " AND p.grantedPrivilege = "
+ " '" + AssetPrivileges.VIEW + "' "
+ " ) "
+ " OR true = :isSystemUser OR true = :isAdmin"
+ ")"
),
@NamedQuery(
name = "BinaryAsset.findByUuid",
query = "SELECT DISTINCT a "
+ "FROM BinaryAsset a "
+ "LEFT JOIN a.permissions p "
+ "WHERE a.uuid = :uuid "
+ "AND ("
+ " ("
+ " p.grantee IN :roles "
+ " AND p.grantedPrivilege = "
+ " '" + AssetPrivileges.VIEW + "' "
+ " ) "
+ " OR true = :isSystemUser OR true = :isAdmin"
+ ")"
),
@NamedQuery(
name = "BinaryAsset.findByContentSection",
query = "SELECT DISTINCT a "
+ "FROM BinaryAsset a "
+ "JOIN a.categories c "
+ "LEFT JOIN a.permissions p "
+ "WHERE c.category.section = :section "
+ "AND ("
+ " ("
+ " p.grantee IN :roles "
+ " AND p.grantedPrivilege = "
+ " '" + AssetPrivileges.VIEW + "' "
+ " ) "
+ " OR true = :isSystemUser OR true = :isAdmin"
+ ")"
),
@NamedQuery(
name = "BinaryAsset.findByNameInFolder",
query = "SELECT DISTINCT a "
+ "FROM BinaryAsset a "
+ "JOIN a.categories c "
+ "LEFT JOIN a.permissions p "
+ "WHERE c.category = :folder "
+ "AND c.type = '" + CATEGORIZATION_TYPE_FOLDER + "' "
+ "AND a.displayName = :name "
+ "AND ("
+ " ("
+ " p.grantee IN :roles "
+ " AND p.grantedPrivilege = '"
+ AssetPrivileges.VIEW + "'"
+ " ) "
+ " OR true = :isSystemUser OR true = :isAdmin"
+ " )"
)
})
public class BinaryAsset extends Asset implements Serializable {
private static final long serialVersionUID = -8540922051232103527L;
@Embedded
@AssociationOverride(
name = "values",
joinTable = @JoinTable(
name = "BINARY_ASSET_DESCRIPTIONS",
schema = DB_SCHEMA,
joinColumns = {
@JoinColumn(name = "ASSET_ID")
}
)
)
private LocalizedString description;
@Column(name = "FILENAME", length = 512, nullable = false)
private String fileName;
@Column(name = "MIME_TYPE", length = 512, nullable = false)
@Convert(converter = MimeTypeConverter.class)
@JsonSerialize(using = MimeTypeJsonSerializer.class)
@JsonDeserialize(using = MimeTypeJsonDeserializer.class)
private MimeType mimeType;
@Column(name = "ASSET_DATA")
@Lob
@Basic(fetch = FetchType.LAZY)
@NotAudited // Workaround until bug in Hibernate is resolved: https://hibernate.atlassian.net/browse/HHH-14725
@JsonSerialize(using = BlobJsonSerializer.class)
@JsonDeserialize(using = BlobJsonDeserializer.class)
private Blob data;
@Column(name = "DATA_SIZE")
private long size;
public BinaryAsset() {
super();
description = new LocalizedString();
//data = new byte[]{};
}
public LocalizedString getDescription() {
return description;
}
public void setDescription(final LocalizedString description) {
Objects.requireNonNull(description);
this.description = description;
}
public String getFileName() {
return fileName;
}
public void setFileName(final String fileName) {
this.fileName = fileName;
}
public MimeType getMimeType() {
return mimeType;
}
public void setMimeType(final MimeType mimeType) {
this.mimeType = mimeType;
}
public Blob getData() {
return data;
}
public long getDataSize() {
try {
return data.length();
} catch (SQLException ex) {
throw new UnexpectedErrorException(ex);
}
}
public InputStream getDataAsInputStream() {
try {
return data.getBinaryStream();
} catch (SQLException ex) {
throw new UnexpectedErrorException(ex);
}
}
public void setData(final Blob data) {
this.data = data;
}
public OutputStream getDataOutputStream() {
try {
return data.setBinaryStream(0);
} catch (SQLException ex) {
throw new UnexpectedErrorException(ex);
}
}
public long getSize() {
return size;
}
public void setSize(final long size) {
this.size = size;
}
@Override
public int hashCode() {
int hash = super.hashCode();
hash = 59 * hash + Objects.hashCode(description);
hash = 59 * hash + Objects.hashCode(fileName);
hash = 59 * hash + Objects.hashCode(mimeType);
hash = 59 * hash + Objects.hashCode(data);
hash = 59 * hash + (int) (size ^ (size >>> 32));
return hash;
}
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (!super.equals(obj)) {
return false;
}
if (!(obj instanceof BinaryAsset)) {
return false;
}
final BinaryAsset other = (BinaryAsset) obj;
if (!(other.canEqual(this))) {
return false;
}
if (size != other.getSize()) {
return false;
}
if (!Objects.equals(fileName, other.getFileName())) {
return false;
}
if (!Objects.equals(description, other.getDescription())) {
return false;
}
if (!Objects.equals(mimeType, other.getMimeType())) {
return false;
}
return Objects.equals(data, other.getData());
}
@Override
public boolean canEqual(final Object obj) {
return obj instanceof BinaryAsset;
}
@Override
public String toString(final String data) {
return super.toString(String.format(", description = %s, "
+ "fileName = \"%s\", "
+ "mimeType = \"%s\", "
+ "size = %d%s",
Objects.toString(description),
fileName,
Objects.toString(mimeType),
size,
data));
}
}