org.metawidget.inspector.wsdl.WsdlInspector Maven / Gradle / Ivy
// 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.wsdl;
import java.io.InputStream;
import org.metawidget.config.iface.ResourceResolver;
import org.metawidget.inspector.iface.InspectorException;
import org.metawidget.inspector.xsd.XmlSchemaInspector;
import org.metawidget.inspector.xsd.XmlSchemaInspectorConfig;
import org.metawidget.util.XmlUtils;
import org.w3c.dom.Element;
/**
* Inspector to look for metadata in Web Services Description Language (WSDL) files.
*
* It extracts the XML Schema from the <schema> element of the WSDL and
* parses it for useful metadata.
*
* If
* WsdlInspector is used for a Java environment, consider using it in conjunction with XmlSchemaToJavaTypeMappingProcessor
* . For returning results to JavaScript environments, consider
* JavaToJavaScriptTypeMappingProcessor and XmlUtils.elementToJson.
*
* @author Richard Kennard
*/
public class WsdlInspector
extends XmlSchemaInspector {
//
// Constructor
//
public WsdlInspector( XmlSchemaInspectorConfig config ) {
super( config );
}
//
// Protected methods
//
/**
* Overridden to return the root of the XML Schema, not the root of the WSDL.
*/
@Override
protected Element getDocumentElement( ResourceResolver resolver, InputStream... files )
throws Exception {
Element element = super.getDocumentElement( resolver, files );
Element types = XmlUtils.getChildNamed( element, "types" );
if ( types == null ) {
throw InspectorException.newException( "No types element" );
}
Element schema = XmlUtils.getChildNamed( types, "schema" );
if ( schema == null ) {
throw InspectorException.newException( "No types/schema element" );
}
return schema;
}
}