| /******************************************************************************* |
| * 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.entityops; |
| |
| import org.apache.ofbiz.base.util.collections.FlexibleMapAccessor; |
| import org.apache.ofbiz.base.util.string.FlexibleStringExpander; |
| import org.apache.ofbiz.entity.GenericValue; |
| import org.apache.ofbiz.minilang.MiniLangException; |
| import org.apache.ofbiz.minilang.MiniLangRuntimeException; |
| 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 <make-next-seq-id> element. |
| * |
| * @see <a href="https://cwiki.apache.org/confluence/display/OFBADMIN/Mini+Language+-+minilang+-+simple-method+-+Reference">Mini-language Reference</a> |
| */ |
| public final class MakeNextSeqId extends MethodOperation { |
| |
| public static final String module = MakeNextSeqId.class.getName(); |
| |
| private final FlexibleStringExpander incrementByFse; |
| private final FlexibleStringExpander numericPaddingFse; |
| private final FlexibleStringExpander seqFieldNameFse; |
| private final FlexibleMapAccessor<GenericValue> valueFma; |
| |
| public MakeNextSeqId(Element element, SimpleMethod simpleMethod) throws MiniLangException { |
| super(element, simpleMethod); |
| if (MiniLangValidate.validationOn()) { |
| MiniLangValidate.attributeNames(simpleMethod, element, "value-field", "seq-field-name", "increment-by", "numeric-padding"); |
| MiniLangValidate.requiredAttributes(simpleMethod, element, "value-field", "seq-field-name"); |
| MiniLangValidate.expressionAttributes(simpleMethod, element, "value-field"); |
| MiniLangValidate.noChildElements(simpleMethod, element); |
| } |
| seqFieldNameFse = FlexibleStringExpander.getInstance(element.getAttribute("seq-field-name")); |
| valueFma = FlexibleMapAccessor.getInstance(element.getAttribute("value-field")); |
| numericPaddingFse = FlexibleStringExpander.getInstance(element.getAttribute("numeric-padding")); |
| incrementByFse = FlexibleStringExpander.getInstance(element.getAttribute("increment-by")); |
| } |
| |
| @Override |
| public boolean exec(MethodContext methodContext) throws MiniLangException { |
| GenericValue value = valueFma.get(methodContext.getEnvMap()); |
| if (value == null) { |
| throw new MiniLangRuntimeException("Entity value not found with name: " + valueFma, this); |
| } |
| String seqFieldName = seqFieldNameFse.expandString(methodContext.getEnvMap()); |
| String numericPaddingStr = numericPaddingFse.expandString(methodContext.getEnvMap()); |
| String incrementByStr = incrementByFse.expandString(methodContext.getEnvMap()); |
| int numericPadding = 5; |
| if (!numericPaddingStr.isEmpty()) { |
| try { |
| numericPadding = Integer.parseInt(numericPaddingStr); |
| } catch (Exception e) { |
| throw new MiniLangRuntimeException("Invalid number in \"numeric-padding\" attribute", this); |
| } |
| } |
| int incrementBy = 1; |
| if (!incrementByStr.isEmpty()) { |
| try { |
| incrementBy = Integer.parseInt(incrementByStr); |
| } catch (Exception e) { |
| throw new MiniLangRuntimeException("Invalid number in \"increment-by\" attribute", this); |
| } |
| } |
| value.getDelegator().setNextSubSeqId(value, seqFieldName, numericPadding, incrementBy); |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder("<make-next-seq-id "); |
| sb.append("value-field=\"").append(this.valueFma).append("\" "); |
| sb.append("seq-field-name=\"").append(this.seqFieldNameFse).append("\" "); |
| if (!incrementByFse.isEmpty()) { |
| sb.append("increment-by=\"").append(this.incrementByFse).append("\" "); |
| } |
| if (!numericPaddingFse.isEmpty()) { |
| sb.append("numeric-padding=\"").append(this.numericPaddingFse).append("\" "); |
| } |
| sb.append("/>"); |
| return sb.toString(); |
| } |
| |
| /** |
| * A factory for the <make-next-seq-id> element. |
| */ |
| public static final class MakeNextSeqIdFactory implements Factory<MakeNextSeqId> { |
| @Override |
| public MakeNextSeqId createMethodOperation(Element element, SimpleMethod simpleMethod) throws MiniLangException { |
| return new MakeNextSeqId(element, simpleMethod); |
| } |
| |
| @Override |
| public String getName() { |
| return "make-next-seq-id"; |
| } |
| } |
| } |