/* (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.wps.web;
import java.io.ByteArrayOutputStream;
import java.util.Collections;
import java.util.logging.Level;
import javax.servlet.http.HttpServletRequest;
import javax.xml.transform.TransformerException;
import org.apache.wicket.Page;
import org.apache.wicket.PageParameters;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.form.AjaxSubmitLink;
import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.model.Model;
import org.apache.wicket.protocol.http.WebRequest;
import org.geoserver.ows.URLMangler.URLType;
import org.geoserver.ows.util.ResponseUtils;
import org.geoserver.web.GeoServerBasePage;
import org.geoserver.web.demo.DemoRequest;
import org.geoserver.web.demo.DemoRequestResponse;
import org.geoserver.web.demo.PlainCodePage;
/**
* Small embedded WPS client enabling users to visually build a WPS Execute request (and as a side
* effect also showing what capabilities and describe process would provide).
*
* Parameters:
* <ul>
* <li><b>name=</b>procName - display the page showing given process
* </ul>
*
* @author Andrea Aime - OpenGeo
* @author Martin Davis - OpenGeo
*/
@SuppressWarnings({"serial", "rawtypes"})
public class WPSRequestBuilder extends GeoServerBasePage {
public static final String PARAM_NAME = "name";
ModalWindow responseWindow;
WPSRequestBuilderPanel builder;
public WPSRequestBuilder(PageParameters parameters) {
this(parameters.getString(PARAM_NAME));
}
public WPSRequestBuilder() {
this((String) null);
}
public WPSRequestBuilder(String procName)
{
// the form
Form form = new Form("form");
add(form);
// the actual request builder component
ExecuteRequest execRequest = new ExecuteRequest();
if (procName != null) execRequest.processName = procName;
builder = new WPSRequestBuilderPanel("requestBuilder", execRequest);
form.add(builder);
// the xml popup window
final ModalWindow xmlWindow = new ModalWindow("xmlWindow");
add(xmlWindow);
xmlWindow.setPageCreator(new ModalWindow.PageCreator() {
public Page createPage() {
return new PlainCodePage(xmlWindow, responseWindow, getRequestXML());
}
});
// the output response window
responseWindow = new ModalWindow("responseWindow");
add(responseWindow);
responseWindow.setPageMapName("demoResponse");
responseWindow.setCookieName("demoResponse");
responseWindow.setPageCreator(new ModalWindow.PageCreator() {
@SuppressWarnings("unchecked")
public Page createPage() {
DemoRequest request = new DemoRequest(null);
HttpServletRequest http = ((WebRequest) WPSRequestBuilder.this.getRequest())
.getHttpServletRequest();
String url = ResponseUtils.buildURL(ResponseUtils.baseURL(http), "ows", Collections
.singletonMap("strict", "true"), URLType.SERVICE);
request.setRequestUrl(url);
request.setRequestBody((String) responseWindow.getDefaultModelObject());
request.setUserName(builder.username);
request.setPassword(builder.password);
return new DemoRequestResponse(new Model(request));
}
});
form.add(new AjaxSubmitLink("execute") {
@SuppressWarnings("unchecked")
@Override
protected void onSubmit(AjaxRequestTarget target, Form form) {
responseWindow.setDefaultModel(new Model(getRequestXML()));
responseWindow.show(target);
}
@Override
protected void onError(AjaxRequestTarget target, Form form) {
super.onError(target, form);
target.addComponent(builder.getFeedbackPanel());
}
});
form.add(new AjaxSubmitLink("executeXML") {
@Override
protected void onSubmit(AjaxRequestTarget target, Form form) {
try {
getRequestXML();
xmlWindow.show(target);
} catch (Exception e) {
error(e.getMessage());
target.addComponent(getFeedbackPanel());
}
}
@Override
protected void onError(AjaxRequestTarget target, Form form) {
target.addComponent(getFeedbackPanel());
}
});
}
String getRequestXML() {
// turn the GUI request into an actual WPS request
WPSExecuteTransformer tx = new WPSExecuteTransformer(getCatalog());
tx.setIndentation(2);
ByteArrayOutputStream out = new ByteArrayOutputStream();
try {
tx.transform(builder.execute, out);
} catch (TransformerException e) {
LOGGER.log(Level.SEVERE, "Error generating xml request", e);
error(e);
}
return out.toString();
}
}