Java tutorial
// Description: Java 7 XML SAX Element Handler for ISOLanguage /* * CF Asterisk 11 Configuration Model * * Copyright (c) 2013-2014 Mark Sobkow * * This program is available as free software under the GNU GPL v3, or * under a commercial license from Mark Sobkow. For commercial licensing * details, please contact msobkow@sasktel.net. * * Under the terms of the GPL: * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * This source code incorporates modified modules originally licensed * under the Apache 2.0 license by MSS Code Factory including CFSecurity * (net-sourceforge-msscodefactory-2.0-cfsecurity.xml), * CFInternet (net-sourceforge-msscodefactory-2.0-cfinternet.xml), and * CFCrm 2.0 (net-sourceforge-msscodefactory-2.0-cfcrm.xml), with all of the * required models being available as part of the MSS Code Factory 1.11 * distribution source and install zips. * * You can download installations of MSS Code Factory 1.11 from * http://msscodefactory.sourceforge.net/ * * *********************************************************************** * * Code manufactured by MSS Code Factory */ package net.sourceforge.msscodefactory.cfasterisk.v2_0.CFAstSaxLoader; import java.math.*; import java.sql.*; import java.text.*; import java.util.*; import net.sourceforge.msscodefactory.cflib.v1_11.CFLib.*; import org.apache.commons.codec.binary.Base64; import org.xml.sax.*; import net.sourceforge.msscodefactory.cfasterisk.v2_0.CFAst.*; import net.sourceforge.msscodefactory.cfasterisk.v2_0.CFAstObj.*; /* * CFAstSaxLoaderISOLanguageParse XML SAX Element Handler implementation * for ISOLanguage. */ public class CFAstSaxLoaderISOLanguageHandler extends CFLibXmlCoreElementHandler { public CFAstSaxLoaderISOLanguageHandler(CFAstSaxLoader saxLoader) { super(saxLoader); } public void startElement(String uri, String localName, String qName, Attributes attrs) throws SAXException { try { // Common XML Attributes String attrId = null; // Primary Key Attributes for Constant Enum support // ISOLanguage Attributes String attrISOCode = null; String attrBaseLanguageCode = null; String attrISOCountryId = null; // ISOLanguage References // Attribute Extraction String attrLocalName; int numAttrs; int idxAttr; final String S_ProcName = "startElement"; final String S_LocalName = "LocalName"; assert qName.equals("ISOLanguage"); CFAstSaxLoader saxLoader = (CFAstSaxLoader) getParser(); if (saxLoader == null) { throw CFLib.getDefaultExceptionFactory().newNullArgumentException(getClass(), S_ProcName, 0, "getParser()"); } ICFAstSchemaObj schemaObj = saxLoader.getSchemaObj(); if (schemaObj == null) { throw CFLib.getDefaultExceptionFactory().newNullArgumentException(getClass(), S_ProcName, 0, "getParser().getSchemaObj()"); } // Instantiate an edit buffer for the parsed information ICFAstISOLanguageEditObj editBuff = (ICFAstISOLanguageEditObj) schemaObj.getISOLanguageTableObj() .newInstance().beginEdit(); // Extract Attributes numAttrs = attrs.getLength(); for (idxAttr = 0; idxAttr < numAttrs; idxAttr++) { attrLocalName = attrs.getLocalName(idxAttr); if (attrLocalName.equals("Id")) { if (attrId != null) { throw CFLib.getDefaultExceptionFactory().newUniqueIndexViolationException(getClass(), S_ProcName, S_LocalName, attrLocalName); } attrId = attrs.getValue(idxAttr); } else if (attrLocalName.equals("ISOCode")) { if (attrISOCode != null) { throw CFLib.getDefaultExceptionFactory().newUniqueIndexViolationException(getClass(), S_ProcName, S_LocalName, attrLocalName); } attrISOCode = attrs.getValue(idxAttr); } else if (attrLocalName.equals("BaseLanguageCode")) { if (attrBaseLanguageCode != null) { throw CFLib.getDefaultExceptionFactory().newUniqueIndexViolationException(getClass(), S_ProcName, S_LocalName, attrLocalName); } attrBaseLanguageCode = attrs.getValue(idxAttr); } else if (attrLocalName.equals("ISOCountryId")) { if (attrISOCountryId != null) { throw CFLib.getDefaultExceptionFactory().newUniqueIndexViolationException(getClass(), S_ProcName, S_LocalName, attrLocalName); } attrISOCountryId = attrs.getValue(idxAttr); } else if (attrLocalName.equals("schemaLocation")) { // ignored } else { throw CFLib.getDefaultExceptionFactory().newUnrecognizedAttributeException(getClass(), S_ProcName, getParser().getLocationInfo(), attrLocalName); } } // Ensure that required attributes have values if ((attrId == null) || (attrId.length() <= 0)) { throw CFLib.getDefaultExceptionFactory().newNullArgumentException(getClass(), S_ProcName, 0, "Id"); } if (attrISOCode == null) { throw CFLib.getDefaultExceptionFactory().newNullArgumentException(getClass(), S_ProcName, 0, "ISOCode"); } if (attrBaseLanguageCode == null) { throw CFLib.getDefaultExceptionFactory().newNullArgumentException(getClass(), S_ProcName, 0, "BaseLanguageCode"); } // Save named attributes to context CFLibXmlCoreContext curContext = getParser().getCurContext(); curContext.putNamedValue("Id", attrId); curContext.putNamedValue("ISOCode", attrISOCode); curContext.putNamedValue("BaseLanguageCode", attrBaseLanguageCode); curContext.putNamedValue("ISOCountryId", attrISOCountryId); // Convert string attributes to native Java types // and apply the converted attributes to the editBuff. short natId; natId = Short.parseShort(attrId); editBuff.getPKey().setRequiredId(natId); editBuff.getISOLanguageBuff().setRequiredId(natId); String natISOCode = attrISOCode; editBuff.setRequiredISOCode(natISOCode); String natBaseLanguageCode = attrBaseLanguageCode; editBuff.setRequiredBaseLanguageCode(natBaseLanguageCode); Short natISOCountryId; if ((attrISOCountryId == null) || (attrISOCountryId.length() <= 0)) { natISOCountryId = null; } else { natISOCountryId = new Short(Short.parseShort(attrISOCountryId)); } editBuff.setOptionalISOCountryId(natISOCountryId); // Get the scope/container object CFLibXmlCoreContext parentContext = curContext.getPrevContext(); Object scopeObj; if (parentContext != null) { scopeObj = parentContext.getNamedValue("Object"); } else { scopeObj = null; } CFAstSaxLoader.LoaderBehaviourEnum loaderBehaviour = saxLoader.getISOLanguageLoaderBehaviour(); ICFAstISOLanguageEditObj editISOLanguage = null; ICFAstISOLanguageObj origISOLanguage = schemaObj.getISOLanguageTableObj() .readISOLanguageByCodeIdx(editBuff.getRequiredISOCode()); editBuff.getPKey().setRequiredId(natId); editBuff.getISOLanguageBuff().setRequiredId(natId); if (origISOLanguage == null) { editISOLanguage = editBuff; } else { switch (loaderBehaviour) { case Insert: break; case Update: editISOLanguage = (ICFAstISOLanguageEditObj) origISOLanguage.beginEdit(); editISOLanguage.setRequiredISOCode(editBuff.getRequiredISOCode()); editISOLanguage.setRequiredBaseLanguageCode(editBuff.getRequiredBaseLanguageCode()); editISOLanguage.setOptionalISOCountryId(editBuff.getOptionalISOCountryId()); break; case Replace: editISOLanguage = (ICFAstISOLanguageEditObj) origISOLanguage.beginEdit(); editISOLanguage.delete(); editISOLanguage.endEdit(); origISOLanguage = null; editISOLanguage = editBuff; break; } } if (editISOLanguage != null) { if (origISOLanguage != null) { editISOLanguage.update(); } else { origISOLanguage = (ICFAstISOLanguageObj) editISOLanguage.create(); } editISOLanguage.endEdit(); } curContext.putNamedValue("Object", origISOLanguage); } catch (RuntimeException e) { throw new RuntimeException("Near " + getParser().getLocationInfo() + ": Caught and rethrew " + e.getClass().getName() + " - " + e.getMessage(), e); } catch (Error e) { throw new Error("Near " + getParser().getLocationInfo() + ": Caught and rethrew " + e.getClass().getName() + " - " + e.getMessage(), e); } } public void endElement(String uri, String localName, String qName) throws SAXException { } }