/*
* 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 bigbank.webclient.tags.sca;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;
import org.osoa.sca.CompositeContext;
import org.osoa.sca.CurrentCompositeContext;
/**
* Places an SCA service in the JSP page context, making it available to other tags corresponding to its id value.
*/
public class ServiceTag extends TagSupport {
// ----------------------------------
// Constructors
// ----------------------------------
public ServiceTag() {
super();
}
// ----------------------------------
// Methods
// ----------------------------------
private String mName;
/**
* Returns the name of the SCA service to import into the page context.
*/
public String getName() {
return mName;
}
/**
* Sets name of the SCA service to import into the page context.
*/
public void setName(String pName) {
mName = pName;
}
private String mId;
/**
* Returns the id of the service in the page context
*/
@Override
public String getId() {
return mId;
}
/**
* Sets the id of the service for the page context
*/
@Override
public void setId(String pId) {
mId = pId;
}
@Override
public int doStartTag() throws JspException {
CompositeContext moduleContext = CurrentCompositeContext.getContext();
Object service = moduleContext.locateService(Object.class, mName);
if (service == null) {
throw new JspException("Service [" + mName + "] not found in current module context");
}
if (mId == null) {
// if the Id name was not specified, default to the basic name of the
// service
mId = mName;
}
pageContext.setAttribute(mId, service);
return EVAL_BODY_INCLUDE;
}
@Override
public int doEndTag() throws JspException {
return EVAL_PAGE;
}
@Override
public void release() {
super.release();
}
}