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// Metawidget
//
// 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 2.1 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

package org.metawidget.inspector.seam;

import java.io.InputStream;

import org.metawidget.config.NeedsResourceResolver;
import org.metawidget.config.ResourceResolver;
import org.metawidget.config.SimpleResourceResolver;
import org.metawidget.util.simple.ObjectUtils;

/**
 * Configures a SeamInspector prior to use. Once instantiated, Inspectors are immutable.
 * 

* Handles specifying components.xml file input. * * @author Richard Kennard */ public class SeamInspectorConfig implements NeedsResourceResolver { // // Private members // private ResourceResolver mResourceResolver; private InputStream mComponentsInputStream; // // Public methods // /** * Sets the InputStream of components.xml. * * @return this, as part of a fluent interface */ public SeamInspectorConfig setComponentsInputStream( InputStream stream ) { mComponentsInputStream = stream; // Fluent interface return this; } public void setResourceResolver( ResourceResolver resourceResolver ) { mResourceResolver = resourceResolver; } @Override public boolean equals( Object that ) { if ( this == that ) { return true; } if ( !ObjectUtils.nullSafeClassEquals( this, that )) { return false; } if ( !ObjectUtils.nullSafeEquals( mResourceResolver, ( (SeamInspectorConfig) that ).mResourceResolver ) ) { return false; } if ( !ObjectUtils.nullSafeEquals( mComponentsInputStream, ( (SeamInspectorConfig) that ).mComponentsInputStream ) ) { return false; } return true; } @Override public int hashCode() { int hashCode = 1; hashCode = 31 * hashCode + ObjectUtils.nullSafeHashCode( mResourceResolver ); hashCode = 31 * hashCode + ObjectUtils.nullSafeHashCode( mComponentsInputStream ); return hashCode; } // // Protected methods // protected InputStream getComponentsInputStream() { if ( mComponentsInputStream != null ) { return mComponentsInputStream; } return getResourceResolver().openResource( "components.xml" ); } protected ResourceResolver getResourceResolver() { if ( mResourceResolver == null ) { // Support programmatic configuration (ie. mResourceResolver is specified automatically // by ConfigReader when using metawidget.xml, but is generally not set manually when // people are creating Inspectors by hand) return new SimpleResourceResolver(); } return mResourceResolver; } }





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