IDRequest.java

package hamaster.gradesign.entity;

import hamaster.gradesgin.ibe.IBEConstraints;
import hamaster.gradesgin.ibe.io.SecureByteArrayOutputStream;
import hamaster.gradesign.ibe.util.Hex;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.Serializable;
import java.util.Date;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;

/**
 * 保存用户身份描述信息申请的实体类
 * @author <a href="mailto:wangyeee@gmail.com">Wang Ye</a>
 */
@Entity
@Table(name = "IBE_ID_REQUEST")
public class IDRequest implements Serializable, Cloneable {
	private static final long serialVersionUID = -811075818715325346L;

	/**
	 * 身份描述申请序号
	 */
	@Id
	@GeneratedValue(strategy = GenerationType.AUTO)
	@Column(name = "REQUEST_ID")
	private Integer requestId;

	/**
	 * 申请者
	 */
	@ManyToOne(optional = false)
	@JoinColumn(name = "APPLICANT")
	private User applicant;

	/**
	 * 身份字符串
	 */
	@Column(nullable = false, name = "IDENTITY_STRING")
	private String identityString;

	/**
	 * 申请密码的摘要
	 */
	@Column(nullable = false, length = 40, name = "PASSWORD")
	private String password;

	/**
	 * 所使用的系统
	 */
	@Column(nullable = false, name = "IBE_SYSTEM_ID")
	private Integer ibeSystemId;

	/**
	 * 申请日期
	 */
	@Temporal(TemporalType.TIMESTAMP)
	@Column(nullable = false, name = "APPLICATION_DATE")
	private Date applicationDate;

	/**
	 * 申请状态
	 */
	@Column(nullable = false, name = "APPLICATION_STATUS")
	private Integer status;

	public IDRequest() {
	}

	/**
	 * 返回字节形式表示的部分<code>IDRequest</code>内容
	 * @return 包含内容：<ul><li>
	 * 请求编号 4字节</li><li>
	 * 身份字符串长度 1字节</li><li>
	 * 身份字符串内容 最多255字节 UTF-8编码</li><li>
	 * 所属IBE系统编号 4字节</li><li>
	 * 申请日期 8字节</li><li>
	 * 当前状态 1字节</li></ul>
	 */
	public byte[] toBytes() {
		ByteArrayOutputStream out = new SecureByteArrayOutputStream();
		byte[] ret = null;
		try {
			out.write(Hex.intToByte(requestId));
			byte[] id = identityString.getBytes(IBEConstraints.USER_STRING_ENCODING);
			out.write(id.length);
			out.write(id);
			out.write(Hex.intToByte(ibeSystemId));
			out.write(Hex.longToBytes(applicationDate.getTime()));
			out.write(status);
			out.flush();
			ret = out.toByteArray();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			out.reset();
		}
		return ret;
	}

	public Integer getRequestId() {
		return requestId;
	}

	public void setRequestId(Integer requestId) {
		this.requestId = requestId;
	}

	public User getApplicant() {
		return applicant;
	}

	public void setApplicant(User applicant) {
		this.applicant = applicant;
	}

	public String getIdentityString() {
		return identityString;
	}

	public void setIdentityString(String identityString) {
		this.identityString = identityString;
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	public Integer getIbeSystemId() {
		return ibeSystemId;
	}

	public void setIbeSystemId(Integer ibeSystemId) {
		this.ibeSystemId = ibeSystemId;
	}

	public Date getApplicationDate() {
		return applicationDate;
	}

	public void setApplicationDate(Date applicationDate) {
		this.applicationDate = applicationDate;
	}

	public Integer getStatus() {
		return status;
	}

	public void setStatus(Integer status) {
		this.status = status;
	}

	/*
	 * (non-Javadoc)
	 * @see java.lang.Object#clone()
	 */
	@Override
	protected Object clone() throws CloneNotSupportedException {
		IDRequest copy = new IDRequest();
		copy.requestId = this.requestId;
		copy.applicant = this.applicant;
		copy.identityString = this.identityString;
		copy.password = this.password;
		copy.ibeSystemId = this.ibeSystemId;
		copy.applicationDate = this.applicationDate;
		copy.status = this.status;
		return copy;
	}

	/*
	 * (non-Javadoc)
	 * @see java.lang.Object#hashCode()
	 */
	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((applicant == null) ? 0 : applicant.hashCode());
		result = prime * result + ((applicationDate == null) ? 0 : applicationDate.hashCode());
		result = prime * result + ((ibeSystemId == null) ? 0 : ibeSystemId.hashCode());
		result = prime * result + ((identityString == null) ? 0 : identityString.hashCode());
		result = prime * result + ((password == null) ? 0 : password.hashCode());
		result = prime * result + ((requestId == null) ? 0 : requestId.hashCode());
		result = prime * result + ((status == null) ? 0 : status.hashCode());
		return result;
	}

	/*
	 * (non-Javadoc)
	 * @see java.lang.Object#equals(java.lang.Object)
	 */
	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (!(obj instanceof IDRequest))
			return false;
		IDRequest other = (IDRequest) obj;
		if (applicant == null) {
			if (other.applicant != null)
				return false;
		} else if (!applicant.equals(other.applicant))
			return false;
		if (applicationDate == null) {
			if (other.applicationDate != null)
				return false;
		} else if (!applicationDate.equals(other.applicationDate))
			return false;
		if (ibeSystemId == null) {
			if (other.ibeSystemId != null)
				return false;
		} else if (!ibeSystemId.equals(other.ibeSystemId))
			return false;
		if (identityString == null) {
			if (other.identityString != null)
				return false;
		} else if (!identityString.equals(other.identityString))
			return false;
		if (password == null) {
			if (other.password != null)
				return false;
		} else if (!password.equals(other.password))
			return false;
		if (requestId == null) {
			if (other.requestId != null)
				return false;
		} else if (!requestId.equals(other.requestId))
			return false;
		if (status == null) {
			if (other.status != null)
				return false;
		} else if (!status.equals(other.status))
			return false;
		return true;
	}

	/*
	 * (non-Javadoc)
	 * @see java.lang.Object#toString()
	 */
	@Override
	public String toString() {
		return "IDRequest [requestId=" + requestId + ", applicant=" + applicant
				+ ", identityString=" + identityString + ", password="
				+ password + ", ibeSystemId=" + ibeSystemId
				+ ", applicationDate=" + applicationDate + ", status=" + status
				+ "]";
	}
}