1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 package com.sun.star.report.pentaho.parser.data; 24 25 import com.sun.star.report.pentaho.OfficeNamespaces; 26 import com.sun.star.report.pentaho.model.DataStyle; 27 import com.sun.star.report.pentaho.parser.ElementReadHandler; 28 29 import java.util.ArrayList; 30 import java.util.List; 31 32 import org.jfree.report.structure.Element; 33 import org.jfree.report.structure.StaticText; 34 35 import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler; 36 37 import org.xml.sax.Attributes; 38 import org.xml.sax.SAXException; 39 40 41 public class DataStyleReadHandler extends ElementReadHandler 42 { 43 44 private final DataStyle dataStyle; 45 private final List children; 46 private final boolean hasCData; 47 DataStyleReadHandler(final boolean hasCData)48 public DataStyleReadHandler(final boolean hasCData) 49 { 50 this.hasCData = hasCData; 51 this.dataStyle = new DataStyle(); 52 this.children = new ArrayList(); 53 } 54 55 /** 56 * Returns the handler for a child element. 57 * 58 * @param tagName the tag name. 59 * @param atts the attributes. 60 * @return the handler or null, if the tagname is invalid. 61 * @throws org.xml.sax.SAXException if there is a parsing error. 62 */ getHandlerForChild(final String uri, final String tagName, final Attributes atts)63 protected XmlReadHandler getHandlerForChild(final String uri, 64 final String tagName, 65 final Attributes atts) 66 throws SAXException 67 { 68 if (OfficeNamespaces.DATASTYLE_NS.equals(uri) || OfficeNamespaces.STYLE_NS.equals(uri)) 69 { 70 final DataStyleReadHandler xrh = new DataStyleReadHandler("text".equals(tagName) || "currency-symbol".equals(tagName) || "embedded-text".equals(tagName)); 71 children.add(xrh); 72 return xrh; 73 } 74 75 return null; 76 } 77 78 /** 79 * This method is called to process the character data between element tags. 80 * 81 * @param ch the character buffer. 82 * @param start the start index. 83 * @param length the length. 84 * @throws org.xml.sax.SAXException if there is a parsing error. 85 */ characters(final char[] ch, final int start, final int length)86 public void characters(final char[] ch, final int start, final int length) 87 throws SAXException 88 { 89 if (hasCData) 90 { 91 children.add(new StaticText(new String(ch, start, length))); 92 } 93 } 94 95 /** 96 * Done parsing. 97 * 98 * @throws org.xml.sax.SAXException if there is a parsing error. 99 */ doneParsing()100 protected void doneParsing() throws SAXException 101 { 102 for (int i = 0; i < children.size(); i++) 103 { 104 final Object o = children.get(i); 105 if (o instanceof ElementReadHandler) 106 { 107 final ElementReadHandler handler = (ElementReadHandler) o; 108 dataStyle.addNode(handler.getElement()); 109 } 110 else if (o instanceof StaticText) 111 { 112 dataStyle.addNode((StaticText) o); 113 } 114 } 115 } 116 getDataStyle()117 public DataStyle getDataStyle() 118 { 119 return dataStyle; 120 } 121 getElement()122 public Element getElement() 123 { 124 return dataStyle; 125 } 126 } 127