Source Code Cross Referenced for IfInstanceOf.java in  » ERP-CRM-Financial » ofbiz » org » ofbiz » minilang » method » ifops » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » ERP CRM Financial » ofbiz » org.ofbiz.minilang.method.ifops 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*******************************************************************************
002:         * Licensed to the Apache Software Foundation (ASF) under one
003:         * or more contributor license agreements.  See the NOTICE file
004:         * distributed with this work for additional information
005:         * regarding copyright ownership.  The ASF licenses this file
006:         * to you under the Apache License, Version 2.0 (the
007:         * "License"); you may not use this file except in compliance
008:         * with the License.  You may obtain a copy of the License at
009:         * 
010:         * http://www.apache.org/licenses/LICENSE-2.0
011:         * 
012:         * Unless required by applicable law or agreed to in writing,
013:         * software distributed under the License is distributed on an
014:         * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015:         * KIND, either express or implied.  See the License for the
016:         * specific language governing permissions and limitations
017:         * under the License.
018:         *******************************************************************************/package org.ofbiz.minilang.method.ifops;
019:
020:        import java.util.List;
021:        import java.util.LinkedList;
022:        import java.util.Map;
023:
024:        import org.ofbiz.minilang.method.MethodOperation;
025:        import org.ofbiz.minilang.method.MethodContext;
026:        import org.ofbiz.minilang.method.ContextAccessor;
027:        import org.ofbiz.minilang.SimpleMethod;
028:        import org.ofbiz.base.util.Debug;
029:        import org.ofbiz.base.util.ObjectType;
030:        import org.ofbiz.base.util.UtilXml;
031:
032:        import org.w3c.dom.Element;
033:
034:        public class IfInstanceOf extends MethodOperation {
035:
036:            public static final String module = IfInstanceOf.class.getName();
037:
038:            protected List subOps = new LinkedList();
039:            protected List elseSubOps = null;
040:
041:            protected ContextAccessor mapAcsr = null;
042:            protected ContextAccessor fieldAcsr = null;
043:            protected String className = null;
044:
045:            public IfInstanceOf(Element element, SimpleMethod simpleMethod) {
046:                super (element, simpleMethod);
047:                this .mapAcsr = new ContextAccessor(element
048:                        .getAttribute("map-name"));
049:                this .fieldAcsr = new ContextAccessor(element
050:                        .getAttribute("field-name"));
051:                this .className = element.getAttribute("class");
052:
053:                SimpleMethod.readOperations(element, subOps, simpleMethod);
054:
055:                Element elseElement = UtilXml
056:                        .firstChildElement(element, "else");
057:                if (elseElement != null) {
058:                    elseSubOps = new LinkedList();
059:                    SimpleMethod.readOperations(elseElement, elseSubOps,
060:                            simpleMethod);
061:                }
062:            }
063:
064:            public boolean exec(MethodContext methodContext) {
065:                // only run subOps if element is instanceOf
066:                boolean runSubOps = false;
067:                Object fieldVal = null;
068:
069:                if (!mapAcsr.isEmpty()) {
070:                    Map fromMap = (Map) mapAcsr.get(methodContext);
071:                    if (fromMap == null) {
072:                        if (Debug.infoOn())
073:                            Debug.logInfo("Map not found with name " + mapAcsr
074:                                    + ", running operations", module);
075:                    } else {
076:                        fieldVal = fieldAcsr.get(fromMap, methodContext);
077:                    }
078:                } else {
079:                    // no map name, try the env
080:                    fieldVal = fieldAcsr.get(methodContext);
081:                }
082:
083:                runSubOps = ObjectType.instanceOf(fieldVal, className);
084:
085:                if (runSubOps) {
086:                    return SimpleMethod.runSubOps(subOps, methodContext);
087:                } else {
088:                    if (elseSubOps != null) {
089:                        return SimpleMethod
090:                                .runSubOps(elseSubOps, methodContext);
091:                    } else {
092:                        return true;
093:                    }
094:                }
095:            }
096:
097:            public String rawString() {
098:                // TODO: add all attributes and other info
099:                return "<if-instance-of field-name=\"" + this .fieldAcsr
100:                        + "\" map-name=\"" + this .mapAcsr + "\"/>";
101:            }
102:
103:            public String expandedString(MethodContext methodContext) {
104:                // TODO: something more than a stub/dummy
105:                return this.rawString();
106:            }
107:        }
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