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| Rev | Author | Line No. | Line |
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| 1611 | - | 1 | package dongfang.mkt.configuration; |
| 2 | |||
| 3 | import java.io.File; |
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| 4 | import java.io.IOException; |
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| 5 | import java.util.ArrayList; |
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| 6 | import java.util.List; |
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| 7 | |||
| 8 | import javax.xml.parsers.DocumentBuilder; |
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| 9 | import javax.xml.parsers.DocumentBuilderFactory; |
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| 10 | import javax.xml.parsers.ParserConfigurationException; |
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| 11 | import javax.xml.xpath.XPath; |
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| 12 | import javax.xml.xpath.XPathConstants; |
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| 13 | import javax.xml.xpath.XPathExpressionException; |
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| 14 | import javax.xml.xpath.XPathFactory; |
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| 15 | |||
| 16 | import org.w3c.dom.Document; |
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| 17 | import org.w3c.dom.Element; |
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| 18 | import org.w3c.dom.NodeList; |
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| 19 | import org.xml.sax.SAXException; |
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| 20 | |||
| 21 | public class ParameterSet extends ConfigurationSet { |
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| 22 | public static final int NUMBER_OF_VARIABLES = 8; |
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| 23 | List<ParameterSection> declaredSections = new ArrayList<ParameterSection>(); |
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| 24 | protected String name; |
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| 25 | |||
| 26 | protected int correctLengthToExcludeName(int length) { |
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| 27 | return length - 12; |
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| 28 | } |
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| 29 | |||
| 30 | protected void setName(int[] data) { |
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| 31 | StringBuilder sbname = new StringBuilder(); |
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| 32 | for (int i = 0; i < 12; i++) { |
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| 33 | if (data[offset] == 0) |
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| 34 | break; |
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| 35 | sbname.append((char) data[offset++]); |
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| 36 | } |
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| 37 | name = sbname.toString(); |
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| 38 | } |
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| 39 | |||
| 40 | protected void outputName(StringBuilder sb) { |
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| 41 | sb.append(name + "\n"); |
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| 42 | } |
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| 43 | |||
| 44 | public List<ParameterSection> getDeclaredSections() { |
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| 45 | return declaredSections; |
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| 46 | } |
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| 47 | |||
| 48 | public String toXML() { |
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| 49 | StringBuilder result = new StringBuilder(); |
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| 50 | result.append("<parameterset eepromVersion=\"" + eepromVersion |
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| 51 | + "\" length=\"" + getByteCount() + "\">\n"); |
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| 52 | for (int i = 0; i < entries.size(); i++) { |
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| 53 | ParameterEntry entry = entries.get(i); |
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| 54 | entry.toXML(result); |
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| 55 | } |
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| 56 | result.append("</parameterset>\n"); |
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| 57 | return result.toString(); |
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| 58 | } |
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| 59 | |||
| 60 | public ParameterSet(int eepromVersion) { |
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| 61 | super(); |
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| 62 | this.eepromVersion = eepromVersion; |
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| 63 | } |
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| 64 | |||
| 65 | // This parses only for the purpose of naming and typing parameter sets! |
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| 66 | // It does not parse the section and default information, which could be |
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| 67 | // useful for GUIs etc. |
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| 68 | public static ParameterSet parseXMLParameterSet(int version) |
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| 69 | throws IOException { |
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| 70 | String fileName = "configsets/templates/parameterset_v" + version |
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| 71 | + ".xml"; |
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| 72 | File f = new File(fileName); |
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| 73 | DocumentBuilderFactory saxfac = DocumentBuilderFactory.newInstance(); |
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| 74 | saxfac.setValidating(false); |
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| 75 | try { |
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| 76 | DocumentBuilder bldr = saxfac.newDocumentBuilder(); |
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| 77 | Document doc = bldr.parse(f); |
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| 78 | XPath xpath = XPathFactory.newInstance().newXPath(); |
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| 79 | |||
| 80 | String s_eepromVersion = xpath.evaluate( |
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| 81 | "/parametertemplate/@eepromVersion", doc); |
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| 82 | int eepromVersion = Integer.parseInt(s_eepromVersion); |
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| 83 | |||
| 84 | String s_declaredLength = xpath.evaluate( |
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| 85 | "/parametertemplate/@length", doc); |
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| 86 | int declaredLength = Integer.parseInt(s_declaredLength); |
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| 87 | |||
| 88 | if (eepromVersion != version) { |
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| 89 | throw new IOException( |
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| 90 | "Version mismatch between file name (" |
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| 91 | + fileName |
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| 92 | + ") and the version in the parametertemplate/@eepromVersion attribute(" |
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| 93 | + s_eepromVersion + ")"); |
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| 94 | } |
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| 95 | |||
| 96 | ParameterSet result = new ParameterSet(eepromVersion); |
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| 97 | |||
| 98 | NodeList sectionNodes = (NodeList) xpath.evaluate( |
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| 99 | "/parametertemplate/section", doc, XPathConstants.NODESET); |
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| 100 | |||
| 101 | for (int i = 0; i < sectionNodes.getLength(); i++) { |
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| 102 | Element sectionNode = (Element) sectionNodes.item(i); |
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| 103 | ParameterSection section = new ParameterSection( |
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| 104 | sectionNode.getAttribute("name"), |
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| 105 | sectionNode.getAttribute("title")); |
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| 106 | result.declaredSections.add(section); |
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| 107 | |||
| 108 | NodeList parameterNodes = (NodeList) xpath.evaluate( |
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| 109 | "parameter", sectionNode, XPathConstants.NODESET); |
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| 110 | |||
| 111 | for (int j = 0; j < parameterNodes.getLength(); j++) { |
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| 112 | Element parameterNode = (Element) parameterNodes.item(j); |
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| 113 | |||
| 114 | ParameterEntry entry; |
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| 115 | |||
| 116 | if (!sectionNode.hasAttribute("name")) { |
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| 117 | throw new IOException("A parameter element (the " + j |
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| 118 | + "th in section " |
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| 119 | + sectionNode.getAttribute("name") |
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| 120 | + ") had no name attribute!"); |
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| 121 | } |
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| 122 | |||
| 123 | String s_name = parameterNode.getAttribute("name"); |
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| 124 | String s_type; |
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| 125 | |||
| 126 | if (parameterNode.hasAttribute("type")) { |
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| 127 | s_type = parameterNode.getAttribute("type"); |
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| 128 | } else { |
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| 129 | s_type = "static"; |
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| 130 | } |
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| 131 | |||
| 132 | if ("static".equals(s_type)) { |
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| 133 | entry = new StaticByteEntry(s_name); |
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| 134 | } else if ("dynamic".equals(s_type)) { |
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| 135 | DynamicByteEntry de = new DynamicByteEntry(s_name); |
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| 136 | if (parameterNode.hasAttribute("minValue")) { |
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| 137 | de.setMinValue(Integer.parseInt(parameterNode |
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| 138 | .getAttribute("minValue"))); |
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| 139 | } |
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| 140 | if (parameterNode.hasAttribute("maxValue")) { |
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| 141 | de.setMinValue(Integer.parseInt(parameterNode |
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| 142 | .getAttribute("maxValue"))); |
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| 143 | } |
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| 144 | if (parameterNode.hasAttribute("staticCodeName")) { |
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| 145 | de.setStaticCodeName(parameterNode |
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| 146 | .getAttribute("staticCodeName")); |
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| 147 | } else |
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| 148 | de.setStaticCodeName(de.getName()); |
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| 149 | if (parameterNode.hasAttribute("dynamicCodeName")) { |
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| 150 | de.setDynamicCodeName(parameterNode |
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| 151 | .getAttribute("dynamicCodeName")); |
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| 152 | } else |
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| 153 | de.setDynamicCodeName(de.getName()); |
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| 154 | entry = de; |
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| 155 | } else if ("bitset".equals(s_type)) { |
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| 156 | NodeList bitNodes = (NodeList) xpath.evaluate("bit", |
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| 157 | parameterNode, XPathConstants.NODESET); |
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| 158 | String[] bitNames = new String[8]; |
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| 159 | for (int k = 0; k < 8; k++) { |
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| 160 | Element bitNode = (Element) bitNodes.item(k); |
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| 161 | if (bitNode != null) { |
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| 162 | bitNames[k] = bitNode.getAttribute("name"); |
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| 163 | } else { |
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| 164 | bitNames[k] = "Unused"; |
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| 165 | } |
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| 166 | } |
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| 167 | entry = new BitSetEntry(s_name, bitNames); |
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| 168 | } else { |
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| 169 | throw new IOException("Unknown parameter type: " |
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| 170 | + s_type); |
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| 171 | } |
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| 172 | |||
| 173 | result.entries.add(entry); |
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| 174 | section.addConfigEntry(entry); |
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| 175 | } |
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| 176 | } |
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| 177 | result.name = "" + version; |
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| 178 | if (result.getByteCount() != declaredLength) { |
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| 179 | throw new IOException("The number of parameters in the set (" |
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| 180 | + result.getEntries().size() |
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| 181 | + ") was not equal to the declared length (" |
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| 182 | + declaredLength + ")."); |
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| 183 | } |
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| 184 | return result; |
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| 185 | } catch (IOException ex) { |
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| 186 | throw ex; |
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| 187 | } catch (XPathExpressionException ex) { |
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| 188 | throw new IOException(ex); |
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| 189 | } catch (SAXException ex) { |
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| 190 | throw new IOException(ex); |
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| 191 | } catch (ParserConfigurationException ex) { |
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| 192 | throw new IOException(ex); |
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| 193 | } |
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| 194 | } |
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| 195 | } |