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/*******************************************************************************
* 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.ofbiz.minilang.method.eventops;
import org.apache.ofbiz.base.util.collections.FlexibleMapAccessor;
import org.apache.ofbiz.base.util.string.FlexibleStringExpander;
import org.apache.ofbiz.minilang.MiniLangException;
import org.apache.ofbiz.minilang.MiniLangValidate;
import org.apache.ofbiz.minilang.SimpleMethod;
import org.apache.ofbiz.minilang.method.MethodContext;
import org.apache.ofbiz.minilang.method.MethodOperation;
import org.w3c.dom.Element;
/**
* Implements the <request-to-field> element.
*
* @see <a href="https://cwiki.apache.org/confluence/display/OFBADMIN/Mini+Language+-+minilang+-+simple-method+-+Reference">Mini-language Reference</a>
*/
public final class RequestToField extends MethodOperation {
private final FlexibleStringExpander defaultFse;
private final FlexibleMapAccessor<Object> fieldFma;
private final FlexibleStringExpander attributeNameFse;
public RequestToField(Element element, SimpleMethod simpleMethod) throws MiniLangException {
super(element, simpleMethod);
if (MiniLangValidate.validationOn()) {
MiniLangValidate.attributeNames(simpleMethod, element, "field", "request-name", "default");
MiniLangValidate.requiredAttributes(simpleMethod, element, "field");
MiniLangValidate.expressionAttributes(simpleMethod, element, "field");
MiniLangValidate.noChildElements(simpleMethod, element);
}
this.fieldFma = FlexibleMapAccessor.getInstance(element.getAttribute("field"));
String attributeName = element.getAttribute("request-name");
if (!attributeName.isEmpty()) {
this.attributeNameFse = FlexibleStringExpander.getInstance(attributeName);
} else {
this.attributeNameFse = FlexibleStringExpander.getInstance(this.fieldFma.toString());
}
this.defaultFse = FlexibleStringExpander.getInstance(element.getAttribute("default"));
}
@Override
public boolean exec(MethodContext methodContext) throws MiniLangException {
if (methodContext.getMethodType() == MethodContext.EVENT) {
String attributeName = attributeNameFse.expandString(methodContext.getEnvMap());
Object value = methodContext.getRequest().getAttribute(attributeName);
if (value == null || (value instanceof String && ((String) value).isEmpty())) {
value = defaultFse.expandString(methodContext.getEnvMap());
}
fieldFma.put(methodContext.getEnvMap(), value);
}
return true;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder("<request-to-field ");
sb.append("field=\"").append(this.fieldFma).append("\" ");
if (!this.attributeNameFse.isEmpty()) {
sb.append("request-name=\"").append(this.attributeNameFse).append("\" ");
}
if (!this.defaultFse.isEmpty()) {
sb.append("default=\"").append(this.defaultFse).append("\" ");
}
sb.append("/>");
return sb.toString();
}
/**
* A factory for the &lt;request-to-field&gt; element.
*/
public static final class RequestToFieldFactory implements Factory<RequestToField> {
@Override
public RequestToField createMethodOperation(Element element, SimpleMethod simpleMethod) throws MiniLangException {
return new RequestToField(element, simpleMethod);
}
@Override
public String getName() {
return "request-to-field";
}
}
}