com.anrisoftware.sscontrol.dhclient.statements.Declaration.java Source code

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Here is the source code for com.anrisoftware.sscontrol.dhclient.statements.Declaration.java

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/*
 * Copyright 2012-2015 Erwin Mller <erwin.mueller@deventm.org>
 *
 * This file is part of sscontrol-dhclient.
 *
 * sscontrol-dhclient 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.
 *
 * sscontrol-dhclient 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 sscontrol-dhclient. If not, see <http://www.gnu.org/licenses/>.
 */
package com.anrisoftware.sscontrol.dhclient.statements;

import javax.inject.Inject;

import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;

import com.google.inject.assistedinject.Assisted;

/**
 * Declaration.
 * <p>
 * Is used by the option statement.
 * 
 * @author Erwin Mueller, erwin.mueller@deventm.org
 * @since 1.0
 */
@SuppressWarnings("serial")
public class Declaration extends Statement {

    private final String declaration;

    /**
     * Sets the declaration.
     * 
     * @param declaration
     *            the declaration.
     * 
     * @throws NullPointerException
     *             if the specified declaration is {@code null}.
     * 
     * @throws IllegalArgumentException
     *             if the specified declaration is empty.
     */
    @Inject
    Declaration(StatementLogger logger, @Assisted String declaration) {
        super(logger);
        log.checkDeclaration(declaration);
        this.declaration = declaration;
    }

    /**
     * Returns the declaration.
     * 
     * @return the declaration.
     */
    public String getDeclaration() {
        return declaration;
    }

    /**
     * Compare this declaration with the specified declaration or a string.
     */
    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (obj == this) {
            return true;
        }
        if (obj instanceof String) {
            String decl = (String) obj;
            return declaration.equals(decl);
        }
        if (obj.getClass() != getClass()) {
            return false;
        }
        Declaration rhs = (Declaration) obj;
        return new EqualsBuilder().append(declaration, rhs.getDeclaration()).isEquals();

    }

    @Override
    public int hashCode() {
        return new HashCodeBuilder().append(declaration).toHashCode();
    }

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