com.smartitengineering.util.opensearch.impl.RelImpl.java Source code

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Here is the source code for com.smartitengineering.util.opensearch.impl.RelImpl.java

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/*
 * This is a utility project for wide range of applications
 *
 * Copyright (C) 2010  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  10-1  USA
 */
package com.smartitengineering.util.opensearch.impl;

import com.smartitengineering.util.opensearch.api.Url.Rel;
import java.net.URL;
import org.apache.commons.lang.StringUtils;

/**
 *
 * @author imyousuf
 */
class RelImpl implements Rel {

    private String value;

    public RelImpl(URL value) {
        if (value == null) {
            throw new IllegalArgumentException("URL can not be null!");
        }
        this.value = value.toString();
    }

    public RelImpl(String value) {
        if (StringUtils.isBlank(value) || !StringUtils.isAlphanumeric(value)) {
            throw new IllegalArgumentException("Rel value must be alphanumeric non-blank");
        }
        this.value = value.toLowerCase();
    }

    @Override
    public String getValue() {
        return value;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final RelImpl other = (RelImpl) obj;
        if ((this.value == null) ? (other.value != null) : !this.value.equals(other.value)) {
            return false;
        }
        return true;
    }

    @Override
    public int hashCode() {
        int hash = 7;
        hash = 59 * hash + (this.value != null ? this.value.hashCode() : 0);
        return hash;
    }

    @Override
    public String toString() {
        return getValue();
    }
}