/*
* 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.apache.lenya.cms.site.usecases;
import java.util.Arrays;
import org.apache.lenya.cms.usecase.UsecaseResolver;
import org.apache.lenya.xml.DocumentHelper;
import org.apache.lenya.xml.NamespaceHelper;
import org.w3c.dom.Element;
/**
* <p>
* Create a usecase document. The document content looks like this:
* </p>
*
* <pre>
* <usecase name="..."/>
* </pre>
*/
public class CreateUsecaseDocument extends CreateDocument {
protected static final String USECASE = "usecase";
protected static final String RESOURCE_TYPE_USECASE = "usecase";
/**
* The namespace for usecase document content.
*/
public static final String NAMESPACE = "http://apache.org/lenya/usecase/1.0";
/**
* The local name of the usecase XML element.
*/
public static final String ELEMENT_USECASE = "usecase";
/**
* The local name of the name attribute.
*/
public static final String ATTRIBUTE_NAME = "name";
protected void initParameters() {
super.initParameters();
setParameter(DOCUMENT_TYPE, RESOURCE_TYPE_USECASE);
setParameter(RESOURCE_TYPES, Arrays.asList(new String[0]));
}
protected void doCheckExecutionConditions() throws Exception {
super.doCheckExecutionConditions();
String usecaseName = getParameterAsString(USECASE);
if (usecaseName.equals("")) {
addErrorMessage("Please enter a usecase name.");
} else {
UsecaseResolver resolver = null;
try {
resolver = (UsecaseResolver) this.manager.lookup(UsecaseResolver.ROLE);
if (!resolver.isRegistered(getSourceURL(), usecaseName)) {
addErrorMessage("The usecase '" + usecaseName + "' is not registered.");
}
} finally {
if (resolver != null) {
this.manager.release(resolver);
}
}
}
}
protected void doExecute() throws Exception {
super.doExecute();
NamespaceHelper helper = new NamespaceHelper(NAMESPACE, "", ELEMENT_USECASE);
Element usecaseElement = helper.getDocument().getDocumentElement();
usecaseElement.setAttribute(ATTRIBUTE_NAME, getParameterAsString(USECASE));
DocumentHelper.writeDocument(helper.getDocument(), getNewDocument().getOutputStream());
}
}