com.smartitengineering.version.api.impl.AuthorImpl.java Source code

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Here is the source code for com.smartitengineering.version.api.impl.AuthorImpl.java

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/*
 * This is a common dao with basic CRUD operations and is not limited to any 
 * persistent layer implementation
 * 
 * Copyright (C) 2008  Imran M Yousuf (imyousuf@smartitengineering.com)
 * 
 * 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 3 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 com.smartitengineering.version.api.impl;

import com.smartitengineering.version.api.Author;
import com.smartitengineering.version.api.spi.MutableAuthor;
import org.apache.commons.lang.StringUtils;

/**
 * Default implementation of Author
 * @author imyousuf
 */
public class AuthorImpl implements Author, MutableAuthor {

    private String name;
    private String email;

    /**
     * Get the value of email
     *
     * @return the value of email
     */
    public String getEmail() {
        if (StringUtils.isBlank(this.email)) {
            throw new IllegalStateException("Email must be set before invoking it!");
        }
        return email;
    }

    /**
     * Set the value of email
     *
     * @param email new value of email
     */
    public void setEmail(String email) {
        if (StringUtils.isNotBlank(email)) {
            this.email = email;
        }
    }

    /**
     * Get the value of name
     *
     * @return the value of name
     */
    public String getName() {
        if (name == null) {
            return "";
        }
        return name;
    }

    /**
     * Set the value of name
     *
     * @param name new value of name
     */
    public void setName(String name) {
        this.name = name;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj instanceof Author) {
            Author authorObj = (Author) obj;
            if (StringUtils.isNotBlank(getEmail())) {
                return getEmail().equals(authorObj.getEmail());
            }
        }
        return super.equals(obj);
    }

    @Override
    public int hashCode() {
        if (StringUtils.isNotBlank(getEmail())) {
            return getEmail().hashCode();
        }
        return super.hashCode();
    }
}