org.metawidget.inspector.seam.SeamInspector Maven / Gradle / Ivy
// 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 java.util.List;
import org.metawidget.config.iface.ResourceResolver;
import org.metawidget.inspector.iface.Inspector;
import org.metawidget.inspector.iface.InspectorException;
import org.metawidget.inspector.impl.BaseXmlInspectorConfig;
import org.metawidget.inspector.jbpm.PageflowInspector;
import org.metawidget.util.CollectionUtils;
import org.metawidget.util.XmlUtils;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/**
* Inspector to look for relevant settings in Seam XML files. Specifically:
*
*
* - Delegates
jbpm:pageflow-definitions
elements from components.xml
to
* PageflowInspector
.
*
*
* @author Richard Kennard
*/
public class SeamInspector
implements Inspector {
//
// Private statics
//
private static final String JBPM_ELEMENT = "jbpm";
/**
* In Seam, pageflows can be defined in components.xml
in a
* pageflow-definitions/code> block.
*/
private static final String PAGEFLOW_DEFINITIONS_ELEMENT = "pageflow-definitions";
//
// Private members
//
private final PageflowInspector mPageflowInspector;
//
// Constructors
//
public SeamInspector() {
this( new SeamInspectorConfig() );
}
public SeamInspector( SeamInspectorConfig config ) {
// components.xml
Element root;
try {
Document documentParsed = XmlUtils.parse( config.getComponentsInputStream() );
root = documentParsed.getDocumentElement();
} catch ( Exception e ) {
throw InspectorException.newException( e );
}
ResourceResolver resolver = config.getResourceResolver();
//
List pageflowDefinitionStreams = CollectionUtils.newArrayList();
Element pageflowValue = XmlUtils.getChildNamed( root, JBPM_ELEMENT, PAGEFLOW_DEFINITIONS_ELEMENT, "value" );
while ( pageflowValue != null ) {
pageflowDefinitionStreams.add( resolver.openResource( pageflowValue.getTextContent() ) );
pageflowValue = XmlUtils.getSiblingNamed( pageflowValue, "value" );
}
if ( pageflowDefinitionStreams.isEmpty() ) {
mPageflowInspector = null;
} else {
BaseXmlInspectorConfig jpdlConfig = new BaseXmlInspectorConfig();
jpdlConfig.setInputStreams( pageflowDefinitionStreams.toArray( new InputStream[pageflowDefinitionStreams.size()] ) );
mPageflowInspector = new PageflowInspector( jpdlConfig );
}
}
//
// Public methods
//
public String inspect( Object toInspect, String type, String... names ) {
// Pageflow
if ( mPageflowInspector != null ) {
return mPageflowInspector.inspect( toInspect, type, names );
}
return null;
}
}