/******************************************************************************* | |
* 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 | |
* under the License. | |
*******************************************************************************/ | |
package org.ofbiz.widget.model; | |
import java.io.IOException; | |
import java.net.URL; | |
import java.util.HashMap; | |
import java.util.List; | |
import java.util.Map; | |
import javax.servlet.ServletContext; | |
import javax.servlet.http.HttpServletRequest; | |
import javax.xml.parsers.ParserConfigurationException; | |
import org.ofbiz.base.location.FlexibleLocation; | |
import org.ofbiz.base.util.UtilHttp; | |
import org.ofbiz.base.util.UtilXml; | |
import org.ofbiz.base.util.cache.UtilCache; | |
import org.ofbiz.entity.Delegator; | |
import org.ofbiz.entity.model.ModelReader; | |
import org.ofbiz.service.DispatchContext; | |
import org.ofbiz.service.LocalDispatcher; | |
import org.w3c.dom.Document; | |
import org.w3c.dom.Element; | |
import org.xml.sax.SAXException; | |
/** | |
* Widget Library - Form factory class | |
*/ | |
public class FormFactory { | |
public static final String module = FormFactory.class.getName(); | |
private static final UtilCache<String, ModelForm> formLocationCache = UtilCache.createUtilCache("widget.form.locationResource", 0, 0, false); | |
private static final UtilCache<String, ModelForm> formWebappCache = UtilCache.createUtilCache("widget.form.webappResource", 0, 0, false); | |
public static Map<String, ModelForm> getFormsFromLocation(String resourceName, ModelReader entityModelReader, DispatchContext dispatchContext) | |
throws IOException, SAXException, ParserConfigurationException { | |
URL formFileUrl = FlexibleLocation.resolveLocation(resourceName); | |
Document formFileDoc = UtilXml.readXmlDocument(formFileUrl, true, true); | |
return readFormDocument(formFileDoc, entityModelReader, dispatchContext, resourceName); | |
} | |
public static ModelForm getFormFromLocation(String resourceName, String formName, ModelReader entityModelReader, DispatchContext dispatchContext) | |
throws IOException, SAXException, ParserConfigurationException { | |
StringBuilder sb = new StringBuilder(dispatchContext.getDelegator().getDelegatorName()); | |
sb.append(":").append(resourceName).append("#").append(formName); | |
String cacheKey = sb.toString(); | |
ModelForm modelForm = formLocationCache.get(cacheKey); | |
if (modelForm == null) { | |
URL formFileUrl = FlexibleLocation.resolveLocation(resourceName); | |
Document formFileDoc = UtilXml.readXmlDocument(formFileUrl, true, true); | |
if (formFileDoc == null) { | |
throw new IllegalArgumentException("Could not find resource [" + resourceName + "]"); | |
} | |
modelForm = createModelForm(formFileDoc, entityModelReader, dispatchContext, resourceName, formName); | |
modelForm = formLocationCache.putIfAbsentAndGet(cacheKey, modelForm); | |
} | |
if (modelForm == null) { | |
throw new IllegalArgumentException("Could not find form with name [" + formName + "] in class resource [" + resourceName + "]"); | |
} | |
return modelForm; | |
} | |
public static ModelForm getFormFromWebappContext(String resourceName, String formName, HttpServletRequest request) | |
throws IOException, SAXException, ParserConfigurationException { | |
String webappName = UtilHttp.getApplicationName(request); | |
String cacheKey = webappName + "::" + resourceName + "::" + formName; | |
ModelForm modelForm = formWebappCache.get(cacheKey); | |
if (modelForm == null) { | |
ServletContext servletContext = (ServletContext) request.getAttribute("servletContext"); | |
Delegator delegator = (Delegator) request.getAttribute("delegator"); | |
LocalDispatcher dispatcher = (LocalDispatcher) request.getAttribute("dispatcher"); | |
URL formFileUrl = servletContext.getResource(resourceName); | |
Document formFileDoc = UtilXml.readXmlDocument(formFileUrl, true, true); | |
Element formElement = UtilXml.firstChildElement(formFileDoc.getDocumentElement(), "form", "name", formName); | |
modelForm = new ModelForm(formElement, resourceName, delegator.getModelReader(), dispatcher.getDispatchContext()); | |
modelForm = formWebappCache.putIfAbsentAndGet(cacheKey, modelForm); | |
} | |
if (modelForm == null) { | |
throw new IllegalArgumentException("Could not find form with name [" + formName + "] in webapp resource [" + resourceName + "] in the webapp [" + webappName + "]"); | |
} | |
return modelForm; | |
} | |
public static Map<String, ModelForm> readFormDocument(Document formFileDoc, ModelReader entityModelReader, DispatchContext dispatchContext, String formLocation) { | |
Map<String, ModelForm> modelFormMap = new HashMap<String, ModelForm>(); | |
if (formFileDoc != null) { | |
// read document and construct ModelForm for each form element | |
Element rootElement = formFileDoc.getDocumentElement(); | |
List<? extends Element> formElements = UtilXml.childElementList(rootElement, "form"); | |
for (Element formElement : formElements) { | |
String formName = formElement.getAttribute("name"); | |
String cacheKey = formLocation + "#" + formName; | |
ModelForm modelForm = formLocationCache.get(cacheKey); | |
if (modelForm == null) { | |
modelForm = createModelForm(formElement, entityModelReader, dispatchContext, formLocation, formName); | |
modelForm = formLocationCache.putIfAbsentAndGet(cacheKey, modelForm); | |
} | |
modelFormMap.put(formName, modelForm); | |
} | |
} | |
return modelFormMap; | |
} | |
public static ModelForm createModelForm(Document formFileDoc, ModelReader entityModelReader, DispatchContext dispatchContext, String formLocation, String formName) { | |
Element formElement = UtilXml.firstChildElement(formFileDoc.getDocumentElement(), "form", "name", formName); | |
return createModelForm(formElement, entityModelReader, dispatchContext, formLocation, formName); | |
} | |
public static ModelForm createModelForm(Element formElement, ModelReader entityModelReader, DispatchContext dispatchContext, String formLocation, String formName) { | |
ModelForm modelForm = new ModelForm(formElement, formLocation, entityModelReader, dispatchContext); | |
return modelForm; | |
} | |
} |