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/* * ItemParser.java * * Created on April 29, 2006, 4:27 PM * * Licensed 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 com.rometools.modules.sle.io; import java.math.BigDecimal; import java.util.ArrayList; import java.util.Date; import java.util.List; import java.util.Locale; import org.jdom2.Element; import org.jdom2.Namespace; import com.rometools.modules.sle.SleEntryImpl; import com.rometools.modules.sle.types.DateValue; import com.rometools.modules.sle.types.EntryValue; import com.rometools.modules.sle.types.NumberValue; import com.rometools.modules.sle.types.Sort; import com.rometools.modules.sle.types.StringValue; import com.rometools.rome.feed.module.Module; import com.rometools.rome.io.impl.DateParser; /** * * @author <a href="mailto:cooper@screaming-penguin.com">Robert "kebernet" Cooper</a> */ public class ItemParser implements com.rometools.rome.io.ModuleParser { /** Creates a new instance of ItemParser */ public ItemParser() { super(); } /** * Returns the namespace URI this parser handles. * <p> * * @return the namespace URI. */ @Override public String getNamespaceUri() { return ModuleParser.TEMP.getURI(); } /** * Parses the XML node (JDOM element) extracting module information. * <p> * * @param element the XML node (JDOM element) to extract module information from. * @return a module instance, <b>null</b> if the element did not have module information. */ @Override public Module parse(final Element element, final Locale locale) { final SleEntryImpl sle = new SleEntryImpl(); ArrayList<EntryValue> values = new ArrayList<EntryValue>(); final List<Element> groups = element.getChildren("group", ModuleParser.TEMP); for (final Element group : groups) { final StringValue value = new StringValue(); value.setElement(group.getAttributeValue("element")); value.setLabel(group.getAttributeValue("label")); value.setValue(group.getAttributeValue("value")); if (group.getAttributeValue("ns") != null) { value.setNamespace(Namespace.getNamespace(group.getAttributeValue("ns"))); } else { value.setNamespace(element.getDocument().getRootElement().getNamespace()); } values.add(value); element.removeContent(group); } sle.setGroupValues(values.toArray(new EntryValue[values.size()])); values = values.size() == 0 ? values : new ArrayList<EntryValue>(); final List<Element> sorts = new ArrayList<Element>(element.getChildren("sort", ModuleParser.TEMP)); // LOG.debug("]]] sorts on element"+sorts.size()); for (final Element sort : sorts) { final String dataType = sort.getAttributeValue("data-type"); // LOG.debug("Doing datatype "+dataType +" :: "+sorts.size()); if (dataType == null || dataType.equals(Sort.TEXT_TYPE)) { final StringValue value = new StringValue(); value.setElement(sort.getAttributeValue("element")); value.setLabel(sort.getAttributeValue("label")); value.setValue(sort.getAttributeValue("value")); if (sort.getAttributeValue("ns") != null) { value.setNamespace(Namespace.getNamespace(sort.getAttributeValue("ns"))); } else { value.setNamespace(element.getDocument().getRootElement().getNamespace()); } values.add(value); element.removeContent(sort); } else if (dataType.equals(Sort.DATE_TYPE)) { final DateValue value = new DateValue(); value.setElement(sort.getAttributeValue("element")); value.setLabel(sort.getAttributeValue("label")); if (sort.getAttributeValue("ns") != null) { value.setNamespace(Namespace.getNamespace(sort.getAttributeValue("ns"))); } else { value.setNamespace(element.getDocument().getRootElement().getNamespace()); } Date dateValue = null; try { dateValue = DateParser.parseRFC822(sort.getAttributeValue("value"), locale); if (dateValue == null) { dateValue = DateParser.parseW3CDateTime(sort.getAttributeValue("value"), locale); } } catch (final Exception e) { ; // ignore parse exceptions } value.setValue(dateValue); values.add(value); element.removeContent(sort); } else if (dataType.equals(Sort.NUMBER_TYPE)) { final NumberValue value = new NumberValue(); value.setElement(sort.getAttributeValue("element")); value.setLabel(sort.getAttributeValue("label")); if (sort.getAttributeValue("ns") != null) { value.setNamespace(Namespace.getNamespace(sort.getAttributeValue("ns"))); } else { value.setNamespace(element.getDocument().getRootElement().getNamespace()); } try { value.setValue(new BigDecimal(sort.getAttributeValue("value"))); } catch (final NumberFormatException nfe) { ; // ignore values.add(value); element.removeContent(sort); } } else { throw new RuntimeException("Unknown datatype"); } } // LOG.debug("Values created "+values.size()+" from sorts" +sorts.size()); sle.setSortValues(values.toArray(new EntryValue[values.size()])); return sle; } }