/*
 * Copyright (C) 2005-2014 Alfresco Software Limited.
 *
 * This file is part of Alfresco
 *
 * Alfresco 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 3 of the License, or
 * (at your option) any later version.
 *
 * Alfresco 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 Alfresco. If not, see <http://www.gnu.org/licenses/>.
 */

package org.alfresco.repo.domain.contentdata;

import java.io.Serializable;
import java.nio.ByteBuffer;

import org.alfresco.service.cmr.repository.ContentUrlKey;
import org.apache.commons.codec.DecoderException;

/**
 * 
 * @author sglover
 *
 */
public class ContentUrlKeyEntity implements Serializable
{
	private static final long serialVersionUID = -6594309522849585169L;

	private Long id;
	private Long contentUrlId;
	private byte[] encryptedKeyAsBytes;
    private Integer keySize;
    private String algorithm;
    private String masterKeystoreId;
    private String masterKeyAlias;
    private Long unencryptedFileSize;

    public ContentUrlKeyEntity()
    {
    }

    public ContentUrlKey getContentUrlKey() throws DecoderException
    {
    	ContentUrlKey contentUrlKey = new ContentUrlKey();
    	contentUrlKey.setAlgorithm(algorithm);
    	contentUrlKey.setKeySize(keySize);
      	contentUrlKey.setEncryptedKeyBytes(ByteBuffer.wrap(encryptedKeyAsBytes));
    	contentUrlKey.setMasterKeyAlias(masterKeyAlias);
    	contentUrlKey.setMasterKeystoreId(masterKeystoreId);
    	contentUrlKey.setUnencryptedFileSize(unencryptedFileSize);
    	return contentUrlKey;
    }

	public Long getContentUrlId()
    {
		return contentUrlId;
	}

	public void setContentUrlId(Long contentUrlId)
	{
		this.contentUrlId = contentUrlId;
	}

	public void setEncryptedKeyAsBytes(byte[] encryptedKeyAsBytes)
	{
		this.encryptedKeyAsBytes = encryptedKeyAsBytes;
	}

	public byte[] getEncryptedKeyAsBytes()
	{
		return encryptedKeyAsBytes;
	}

	public void updateEncryptedKey(EncryptedKey encryptedKey)
    {
		byte[] encryptedKeyAsBytes = new byte[encryptedKey.getByteBuffer().remaining()];
		encryptedKey.getByteBuffer().get(encryptedKeyAsBytes);
		this.encryptedKeyAsBytes = encryptedKeyAsBytes;
    	setKeySize(encryptedKeyAsBytes.length*8);
    	setAlgorithm(encryptedKey.getAlgorithm());
    	setMasterKeyAlias(encryptedKey.getMasterKeyAlias());
    	setMasterKeystoreId(encryptedKey.getMasterKeystoreId());
    }

	public Long getId()
	{
		return id;
	}

	public void setId(Long id)
	{
		this.id = id;
	}
	
	public EncryptedKey getEncryptedKey() throws DecoderException
	{
		EncryptedKey encryptedKey = new EncryptedKey(getMasterKeystoreId(), getMasterKeyAlias(),
				getAlgorithm(), ByteBuffer.wrap(this.encryptedKeyAsBytes));
		return encryptedKey;
	}

	public Long getUnencryptedFileSize()
	{
		return unencryptedFileSize;
	}

	public void setUnencryptedFileSize(Long unencryptedFileSize)
	{
		this.unencryptedFileSize = unencryptedFileSize;
	}

	public void setKeySize(Integer keySize)
	{
		this.keySize = keySize;
	}

	public Integer getKeySize()
	{
		return keySize;
	}

	public String getAlgorithm()
	{
		return algorithm;
	}

	public void setAlgorithm(String algorithm)
	{
		this.algorithm = algorithm;
	}

	public String getMasterKeystoreId()
	{
		return masterKeystoreId;
	}

	public void setMasterKeystoreId(String masterKeystoreId)
	{
		this.masterKeystoreId = masterKeystoreId;
	}

	public String getMasterKeyAlias()
	{
		return masterKeyAlias;
	}

	public void setMasterKeyAlias(String masterKeyAlias) 
	{
		this.masterKeyAlias = masterKeyAlias;
	}

	@Override
	public String toString()
	{
		return "ContentUrlKeyEntity [id=" + id + ", encryptedKeyAsBytes="
				+ encryptedKeyAsBytes+ ", keySize=" + keySize + ", algorithm="
				+ algorithm + ", masterKeystoreId=" + masterKeystoreId
				+ ", masterKeyAlias=" + masterKeyAlias
				+ ", unencryptedFileSize=" + unencryptedFileSize + "]";
	}
}