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/*-
 * ========================LICENSE_START=================================
 * smooks-edi-sax
 * %%
 * Copyright (C) 2020 Smooks
 * %%
 * Licensed under the terms of the Apache License Version 2.0, or
 * the GNU Lesser General Public License version 3.0 or later.
 * 
 * SPDX-License-Identifier: Apache-2.0 OR LGPL-3.0-or-later
 * 
 * ======================================================================
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * ======================================================================
 * 
 * This program 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 program 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 program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 * =========================LICENSE_END==================================
 */
package org.smooks.edi.edisax.model.internal;

import org.smooks.assertion.AssertArgument;

public class Description {

    private String name;
    private String version;
    private String namespace;

    public String getName() {
        return name;
    }

    public Description setName(String name) {
    	AssertArgument.isNotNull(name, "name");
        this.name = name.trim();
        return this;
    }

    public String getVersion() {
        return version;
    }

    public Description setVersion(String version) {
    	AssertArgument.isNotNull(version, "version");
        this.version = version.trim();
        return this;
    }

    public String getNamespace() {
        return namespace;
    }

    public Description setNamespace(String namespace) {
        this.namespace = namespace;
        return this;
    }

    @Override
    public Object clone() {
        return new Description().setName(name).setVersion(version).setNamespace(namespace);
    }

    @Override
	public boolean equals(Object obj) {
		assertInitialized();		

		if(obj == null) {
			return false;
		}
		if(obj == this) {
			return true;
		}
		
		if(obj instanceof Description) {
			Description description = (Description) obj;
			return description.name.equals(name) && description.version.equals(version);
		} else if (obj instanceof String) {
			// Just comparing the names and ignoring the version...
			return obj.equals(name);
		}
		
		return false;
	}

	@Override
	public int hashCode() {
		assertInitialized();		
		return (name + "#" + version).hashCode();
	}

	private void assertInitialized() {
		if(name == null || version == null) {
			throw new IllegalStateException("Description 'name' and/or 'version' properties are not initialized.");
		}
	}
}