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| package org.apache.hivemind.impl; |
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| import java.util.ArrayList; |
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| import java.util.HashMap; |
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| import java.util.List; |
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| import java.util.Map; |
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| |
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| import org.apache.hivemind.Element; |
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| import org.apache.hivemind.ErrorLog; |
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| import org.apache.hivemind.internal.Module; |
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| import org.apache.hivemind.schema.ElementModel; |
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| import org.apache.hivemind.schema.Schema; |
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| import org.apache.hivemind.schema.SchemaProcessor; |
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| import org.apache.hivemind.schema.Translator; |
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| public final class SchemaProcessorImpl implements SchemaProcessor |
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| { |
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| private ErrorLog _errorLog; |
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| private Schema _schema; |
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| private List _elements = new ArrayList(); |
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| private boolean _canElementsBeMapped; |
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| private Map _mappedElements = new HashMap(); |
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| private List _stack = new ArrayList(); |
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| private Module _contributingModule; |
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| private Map _elementMap = new HashMap(); |
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| private List _elementStack = new ArrayList(); |
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1040
| public SchemaProcessorImpl(ErrorLog errorLog, Schema schema)
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| { |
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1040
| _errorLog = errorLog;
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1040
| _schema = schema;
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1040
| _stack.add(this);
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1040
| if (_schema != null)
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| { |
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1026
| List l = _schema.getElementModel();
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1026
| int count = l.size();
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1026
| for (int i = 0; i < count; i++)
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| { |
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1038
| ElementModel model = (ElementModel) l.get(i);
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1038
| _elementMap.put(model.getElementName(), new SchemaElement(this, model));
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| } |
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1026
| _canElementsBeMapped = schema.canInstancesBeKeyed();
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| } |
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| } |
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3243
| public void addElement(Object element)
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| { |
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3243
| _elements.add(element);
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3243
| if (_canElementsBeMapped)
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| { |
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613
| Element currentElement = peekElement();
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613
| String keyAttribute = _activeElement.getKeyAttribute();
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| |
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613
| String expandedKey = getContributingModule().expandSymbols(
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| currentElement.getAttributeValue(keyAttribute), |
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| currentElement.getLocation()); |
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613
| Translator t = getAttributeTranslator(keyAttribute);
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| Object finalValue = t.translate(
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| getContributingModule(), |
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| Object.class, |
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| expandedKey, |
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| currentElement.getLocation()); |
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613
| _mappedElements.put(finalValue, element);
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| } |
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| } |
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1035
| public List getElements()
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| { |
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1035
| return _elements;
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| } |
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120 |
124
| public Map getMappedElements()
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| { |
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122 |
124
| if (_canElementsBeMapped)
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123 |
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| return _mappedElements;
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0
| return null;
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| } |
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128 |
6604
| public void push(Object object)
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| { |
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6604
| _stack.add(object);
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| } |
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133 |
6605
| public Object pop()
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| { |
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135 |
6605
| if (_stack.isEmpty())
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1
| throw new ArrayIndexOutOfBoundsException(ImplMessages.schemaStackViolation(this));
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138 |
6604
| return _stack.remove(_stack.size() - 1);
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| } |
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141 |
12892
| public Object peek()
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| { |
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143 |
12892
| return peek(0);
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| } |
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145 |
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146 |
19498
| public Object peek(int depth)
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| { |
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148 |
19498
| int count = _stack.size();
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150 |
19498
| int position = count - 1 - depth;
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152 |
19498
| if (position < 0)
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153 |
1
| throw new ArrayIndexOutOfBoundsException(ImplMessages.schemaStackViolation(this));
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154 |
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19497
| return _stack.get(count - 1 - depth);
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| } |
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157 |
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158 |
24361
| public Module getContributingModule()
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| { |
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160 |
24361
| return _contributingModule;
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| } |
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165 |
5866
| public Module getDefiningModule()
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| { |
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167 |
5866
| return _schema.getDefiningModule();
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| } |
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169 |
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170 |
11
| public String getElementPath()
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| { |
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172 |
11
| StringBuffer buffer = new StringBuffer();
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173 |
11
| int count = _elementStack.size();
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174 |
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175 |
11
| for (int i = 0; i < count; i++)
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| { |
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10
| if (i > 0)
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1
| buffer.append('/');
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10
| buffer.append(((Element) _elementStack.get(i)).getElementName());
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| } |
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183 |
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| return buffer.toString();
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| } |
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186 |
3721
| private void pushElement(Element element)
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| { |
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188 |
3721
| _elementStack.add(element);
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| } |
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191 |
613
| private Element peekElement()
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| { |
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193 |
613
| return (Element) _elementStack.get(_elementStack.size() - 1);
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| } |
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195 |
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196 |
3718
| private void popElement()
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| { |
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198 |
3718
| _elementStack.remove(_elementStack.size() - 1);
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| } |
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203 |
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204 |
1046
| public void process(List elements, Module contributingModule)
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| { |
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206 |
1046
| if (elements == null)
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207 |
20
| return;
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208 |
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209 |
1026
| if (_schema == null)
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210 |
| { |
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211 |
3
| _elements.addAll(elements);
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212 |
3
| return;
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213 |
| } |
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214 |
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215 |
1023
| _contributingModule = contributingModule;
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216 |
| |
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217 |
1023
| int count = elements.size();
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218 |
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219 |
1023
| for (int i = 0; i < count; i++)
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220 |
| { |
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221 |
3247
| Element e = (Element) elements.get(i);
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222 |
| |
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223 |
3247
| processRootElement(e);
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224 |
| } |
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225 |
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226 |
1020
| _contributingModule = null;
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227 |
| } |
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228 |
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229 |
3247
| private void processRootElement(Element element)
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230 |
| { |
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231 |
3247
| String name = element.getElementName();
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232 |
| |
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233 |
3247
| SchemaElement schemaElement = (SchemaElement) _elementMap.get(name);
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234 |
| |
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235 |
3247
| processElement(element, schemaElement);
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236 |
| } |
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237 |
| |
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238 |
| private SchemaElement _activeElement; |
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239 |
| |
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240 |
3721
| private void processElement(Element element, SchemaElement schemaElement)
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241 |
| { |
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242 |
3721
| pushElement(element);
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243 |
| |
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244 |
3721
| if (schemaElement == null)
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245 |
1
| _errorLog
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246 |
| .error(ImplMessages.unknownElement(this, element), element.getLocation(), null); |
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247 |
| else |
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248 |
| { |
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249 |
3720
| SchemaElement prior = _activeElement;
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250 |
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251 |
3720
| schemaElement.validateAttributes(element);
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252 |
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253 |
3718
| _activeElement = schemaElement;
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254 |
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255 |
3718
| schemaElement.fireBegin(element);
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256 |
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257 |
3717
| processNestedElements(element, schemaElement);
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258 |
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259 |
3717
| schemaElement.fireEnd(element);
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260 |
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261 |
3717
| _activeElement = prior;
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262 |
| } |
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263 |
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264 |
3718
| popElement();
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265 |
| } |
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266 |
| |
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267 |
3717
| private void processNestedElements(Element element, SchemaElement schemaElement)
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268 |
| { |
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269 |
3717
| List l = element.getElements();
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270 |
3717
| int count = l.size();
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271 |
| |
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272 |
3717
| for (int i = 0; i < count; i++)
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273 |
| { |
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274 |
474
| Element nested = (Element) l.get(i);
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275 |
474
| String name = nested.getElementName();
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276 |
| |
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277 |
474
| processElement(nested, schemaElement.getNestedElement(name));
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278 |
| } |
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279 |
| } |
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280 |
| |
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281 |
21
| public Translator getContentTranslator()
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282 |
| { |
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283 |
21
| return _activeElement.getContentTranslator();
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284 |
| } |
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285 |
| |
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286 |
7187
| public Translator getAttributeTranslator(String attributeName)
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287 |
| { |
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288 |
7187
| return _activeElement.getAttributeTranslator(attributeName);
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289 |
| } |
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290 |
| |
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291 |
8298
| public Translator getTranslator(String translator)
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292 |
| { |
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293 |
8298
| return getContributingModule().getTranslator(translator);
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294 |
| } |
|
295 |
| } |