com.marand.thinkmed.api.externals.data.object.ExternalIdentityDto.java Source code

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Here is the source code for com.marand.thinkmed.api.externals.data.object.ExternalIdentityDto.java

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/*
 * Copyright (c) 2010-2014 Marand d.o.o. (www.marand.com)
 *
 * This file is part of Think!Med Clinical Medication Management.
 *
 * Think!Med Clinical Medication Management is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Think!Med Clinical Medication Management 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Think!Med Clinical Medication Management.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.marand.thinkmed.api.externals.data.object;

import com.google.common.base.Preconditions;
import com.marand.thinkmed.api.core.data.object.DataTransferObject;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.apache.commons.lang3.builder.ToStringBuilder;

/**
 * @author Bostjan Vester
 */
public class ExternalIdentityDto extends DataTransferObject {
    private final String id;

    public ExternalIdentityDto(final String id) {
        this.id = Preconditions.checkNotNull(id);
        Preconditions.checkArgument(StringUtils.isNotBlank(id));
    }

    public String getId() {
        return id;
    }

    @Override
    protected void appendToString(ToStringBuilder tsb) {
        tsb.append("id", id);
    }

    @Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (!(o instanceof ExternalIdentityDto)) {
            return false;
        }

        final ExternalIdentityDto that = (ExternalIdentityDto) o;

        return StringUtils.equals(id, that.id);
    }

    @Override
    public int hashCode() {
        if (id != null) {
            final HashCodeBuilder builder = new HashCodeBuilder();
            builder.append(id);

            return builder.toHashCode();
        } else {
            return super.hashCode();
        }
    }
}