| /******************************************************************************* |
| * 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.ofbiz.content.report; |
| |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import net.sf.jasperreports.engine.JRDataSource; |
| import net.sf.jasperreports.engine.JRException; |
| import net.sf.jasperreports.engine.JRField; |
| |
| /** |
| * <code>JRMapCollectionDataSource</code> |
| */ |
| public class JRMapCollectionDataSource implements JRDataSource { |
| |
| private Collection data = null; |
| private Iterator iterator = null; |
| private Map currentMap = null; |
| |
| public JRMapCollectionDataSource(Collection mapCollection) { |
| this.data = mapCollection; |
| |
| if (data != null) { |
| this.iterator = data.iterator(); |
| } |
| } |
| |
| public boolean next() throws JRException { |
| boolean hasNext = false; |
| |
| if (this.iterator != null) { |
| hasNext = this.iterator.hasNext(); |
| |
| if (hasNext) { |
| try { |
| this.currentMap = (Map) this.iterator.next(); |
| } catch (Exception e) { |
| throw new JRException("Current collection object does not seem to be a Map.", e); |
| } |
| } |
| } |
| |
| return hasNext; |
| } |
| |
| public Object getFieldValue(JRField jrField) throws JRException { |
| Object value = null; |
| |
| if (currentMap != null) { |
| value = currentMap.get(jrField.getName()); |
| } |
| |
| return value; |
| } |
| |
| } |