/**
 * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
 * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
 * joint initiative of the Federal Chancellery Austria and Graz University of
 * Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */
package at.knowcenter.wag.egov.egiz.pdf;

import java.io.Serializable;

import at.gv.egiz.pdfas.framework.input.DataSource;
import at.knowcenter.wag.egov.egiz.sig.SignatureObject;

public class NoSignatureHolder implements Serializable, SignatureHolder {

	private static final long serialVersionUID = 1L;

	// # sigs before modification
	private int position;

	public NoSignatureHolder(int pos) {
		this.position = pos;
	}

	public DataSource getDataSource() {
		return null;
	}

	public SignatureObject getSignatureObject() {
		return null;
	}

	public int getPosition() {
		return this.position;
	}

	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + this.position;
		return result;
	}

	public boolean equals(Object obj) {
		
		if (this == obj) {
			return true;
		}
		
		if (obj == null) {
			return false;
		}
		
		if (getClass() != obj.getClass()) {
			return false;
		}
		
		final NoSignatureHolder other = (NoSignatureHolder) obj;
		
		if (this.position != other.position) {
			return false;
		}
		
		return true;
	}

}