/*******************************************************************************
* 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.webapp.taglib;
import java.util.Map;
import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.PageContext;
import org.ofbiz.base.util.Debug;
import org.ofbiz.entity.GenericValue;
import org.ofbiz.service.GenericServiceException;
import org.ofbiz.service.LocalDispatcher;
/**
* ServiceTag - Service invocation tag.
*/
@SuppressWarnings("serial")
public class ServiceTag extends AbstractParameterTag {
protected String serviceName;
protected String resultScope = "page";
protected String mode = "sync";
public static final String module = ServiceTag.class.getName();
public void setName(String serviceName) {
this.serviceName = serviceName;
}
public String getName() {
return serviceName;
}
public void setMode(String mode) {
this.mode = mode;
}
public String getMode() {
return mode;
}
public void setResultTo(String resultScope) {
this.resultScope = resultScope;
}
public String getResultTo() {
return resultScope;
}
@Override
public int doEndTag() throws JspTagException {
LocalDispatcher dispatcher = (LocalDispatcher) pageContext.getRequest().getAttribute("dispatcher");
if (dispatcher == null)
throw new JspTagException("Cannot get dispatcher from the request object.");
GenericValue userLogin = (GenericValue) pageContext.getSession().getAttribute("userLogin");
int scope = PageContext.PAGE_SCOPE;
char scopeChar = resultScope.toUpperCase().charAt(0);
switch (scopeChar) {
case 'A':
scope = PageContext.APPLICATION_SCOPE;
break;
case 'S':
scope = PageContext.SESSION_SCOPE;
break;
case 'R':
scope = PageContext.REQUEST_SCOPE;
break;
case 'P':
scope = PageContext.PAGE_SCOPE;
break;
default:
throw new JspTagException("Invaild result scope specified. (page, request, session, application)");
}
Map<String, Object> context = getInParameters();
Map<String, Object> result = null;
if (userLogin != null)
context.put("userLogin", userLogin);
try {
if (mode.equalsIgnoreCase("async"))
dispatcher.runAsync(serviceName, context);
else
result = dispatcher.runSync(serviceName, context);
} catch (GenericServiceException e) {
Debug.logError(e, module);
throw new JspTagException("Problems invoking the requested service: " + e.getMessage());
}
Map<String, String> aliases = getOutParameters();
if (result != null) {
// expand the result
for (Map.Entry<String, Object> entry: result.entrySet()) {
String key = entry.getKey();
Object value = entry.getValue();
String ctxName = (aliases.containsKey(key) ? aliases.get(key) : key);
if (value == null) value = "";
pageContext.setAttribute(ctxName, value, scope);
}
}
return EVAL_PAGE;
}
}