/*******************************************************************************
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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*******************************************************************************/
package org.ofbiz.widget.screen;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.parsers.ParserConfigurationException;
import org.ofbiz.base.util.GeneralException;
import org.ofbiz.base.util.StringUtil;
import org.ofbiz.base.util.UtilJ2eeCompat;
import org.ofbiz.webapp.view.ViewHandlerException;
import org.xml.sax.SAXException;
import org.ofbiz.widget.screen.ScreenWidgetViewHandler;
import org.ofbiz.widget.xml.XmlFormRenderer;
public class ScreenXmlViewHandler extends ScreenWidgetViewHandler {
public static final String module = ScreenXmlViewHandler.class.getName();
@Override
public void render(String name, String page, String info, String contentType, String encoding, HttpServletRequest request, HttpServletResponse response) throws ViewHandlerException {
Writer writer = null;
try {
// use UtilJ2eeCompat to get this setup properly
boolean useOutputStreamNotWriter = false;
if (this.servletContext != null) {
useOutputStreamNotWriter = UtilJ2eeCompat.useOutputStreamNotWriter(this.servletContext);
}
if (useOutputStreamNotWriter) {
ServletOutputStream ros = response.getOutputStream();
writer = new OutputStreamWriter(ros, "UTF-8");
} else {
writer = response.getWriter();
}
ScreenRenderer screens = new ScreenRenderer(writer, null, htmlScreenRenderer);
screens.populateContextForRequest(request, response, servletContext);
// this is the object used to render forms from their definitions
screens.getContext().put("formStringRenderer", new XmlFormRenderer(request, response));
screens.getContext().put("simpleEncoder", StringUtil.xmlEncoder);
screens.render(page);
} catch (IOException e) {
throw new ViewHandlerException("Error in the response writer/output stream: " + e.toString(), e);
} catch (SAXException e) {
throw new ViewHandlerException("XML Error rendering page: " + e.toString(), e);
} catch (ParserConfigurationException e) {
throw new ViewHandlerException("XML Error rendering page: " + e.toString(), e);
} catch (GeneralException e) {
throw new ViewHandlerException("Lower level error rendering page: " + e.toString(), e);
}
}
}