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// Metawidget
//
// This file is dual licensed under both the LGPL
// (http://www.gnu.org/licenses/lgpl-2.1.html) and the EPL
// (http://www.eclipse.org/org/documents/epl-v10.php). As a
// recipient of Metawidget, you may choose to receive it under either
// the LGPL or the EPL.
//
// Commercial licenses are also available. See http://metawidget.org
// for details.

package org.metawidget.inspector.json;

import java.io.InputStream;

import org.metawidget.util.simple.ObjectUtils;

/**
 * Configures an JsonInspector prior to use. Once instantiated, Inspectors are immutable.
 *
 * @author Richard Kennard
 */

public class JsonInspectorConfig {

	//
	// Private members
	//

	private InputStream	mInputStream;

	//
	// Public methods
	//

	/**
	 * Sets the InputStream of the JSON.
	 *
	 * @return this, as part of a fluent interface
	 */

	public JsonInspectorConfig setInputStream( InputStream stream ) {

		mInputStream = stream;

		// Fluent interface

		return this;
	}

	@Override
	public boolean equals( Object that ) {

		if ( this == that ) {
			return true;
		}

		if ( !ObjectUtils.nullSafeClassEquals( this, that ) ) {
			return false;
		}

		if ( !ObjectUtils.nullSafeEquals( mInputStream, ( (JsonInspectorConfig) that ).mInputStream ) ) {
			return false;
		}

		return true;
	}

	@Override
	public int hashCode() {

		int hashCode = 1;
		hashCode = 31 * hashCode + ObjectUtils.nullSafeHashCode( mInputStream );

		return hashCode;
	}

	//
	// Protected methods
	//

	protected InputStream getInputStream() {

		return mInputStream;
	}
}