/* (c) 2014 Open Source Geospatial Foundation - all rights reserved
* (c) 2001 - 2013 OpenPlans
* This code is licensed under the GPL 2.0 license, available at the root
* application directory.
*/
package org.geoserver.ows.adapters;
import java.io.Reader;
import java.lang.reflect.Constructor;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.xml.namespace.QName;
import org.geoserver.config.ServiceInfo;
import org.geoserver.config.impl.GeoServerImpl;
import org.geoserver.ows.HttpServletRequestAware;
import org.vfny.geoserver.util.requests.readers.XmlRequestReader;
public class XmlRequestReaderAdapter extends org.geoserver.ows.XmlRequestReader
implements HttpServletRequestAware {
Class delegateClass;
ServiceInfo service;
HttpServletRequest httpRequest;
public XmlRequestReaderAdapter(QName element, ServiceInfo service, Class delegate) {
super(element);
this.service = service;
this.delegateClass = delegate;
}
public XmlRequestReaderAdapter(String namespace, String local, ServiceInfo service,
Class delegate) {
this(new QName(namespace, local), service, delegate);
}
public void setHttpRequest(HttpServletRequest request) {
this.httpRequest = request;
}
public Object read(Object request, Reader reader, Map kvp) throws Exception {
//look for a constructor, may have to walk up teh class hierachy
Class clazz = GeoServerImpl.unwrap(service).getClass();
Constructor constructor = null;
while (clazz != null && constructor == null) {
try {
constructor = delegateClass.getConstructor(new Class[] { clazz });
} catch (NoSuchMethodException e) {
Class[] classes = clazz.getInterfaces();
for (Class c : classes) {
try {
constructor = delegateClass.getConstructor(new Class[] { c });
} catch(NoSuchMethodException e2) {
// no harm done
}
}
clazz = clazz.getSuperclass();
}
}
if (constructor == null) {
throw new IllegalStateException("No appropriate constructor");
}
XmlRequestReader delegate = (XmlRequestReader) constructor.newInstance(new Object[] { service });
return delegate.read(reader, httpRequest);
}
}