net.sourceforge.msscodefactory.cfcrm.v2_1.CFCrmSaxLoader.CFCrmSaxLoaderServiceHandler.java Source code

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// Description: Java 7 XML SAX Element Handler for Service

/*
 *   CF Customer Relations Management model
 *
 *   Copyright (c) 2014 Mark Sobkow
 *   
 *      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.
 *   
 * ***********************************************************************
 *
 *   Code manufactured by MSS Code Factory
 */

package net.sourceforge.msscodefactory.cfcrm.v2_1.CFCrmSaxLoader;

import java.math.*;
import java.sql.*;
import java.text.*;
import java.util.*;
import net.sourceforge.msscodefactory.cflib.v2_1.CFLib.*;
import org.apache.commons.codec.binary.Base64;
import org.xml.sax.*;
import net.sourceforge.msscodefactory.cfcrm.v2_1.CFCrm.*;
import net.sourceforge.msscodefactory.cfcrm.v2_1.CFCrmObj.*;

/*
 *   CFCrmSaxLoaderServiceParse XML SAX Element Handler implementation
 *   for Service.
 */
public class CFCrmSaxLoaderServiceHandler extends CFLibXmlCoreElementHandler {
    public CFCrmSaxLoaderServiceHandler(CFCrmSaxLoader saxLoader) {
        super(saxLoader);
    }

    public void startElement(String uri, String localName, String qName, Attributes attrs) throws SAXException {
        try {
            // Common XML Attributes
            String attrId = null;
            // Service Attributes
            String attrHostPort = null;
            String attrServiceType = null;
            // Service References
            ICFCrmClusterObj refCluster = null;
            ICFCrmHostNodeObj refHost = null;
            ICFCrmServiceTypeObj refServiceType = null;
            // Attribute Extraction
            String attrLocalName;
            int numAttrs;
            int idxAttr;
            final String S_ProcName = "startElement";
            final String S_LocalName = "LocalName";

            assert qName.equals("Service");

            CFCrmSaxLoader saxLoader = (CFCrmSaxLoader) getParser();
            if (saxLoader == null) {
                throw CFLib.getDefaultExceptionFactory().newNullArgumentException(getClass(), S_ProcName, 0,
                        "getParser()");
            }

            ICFCrmSchemaObj schemaObj = saxLoader.getSchemaObj();
            if (schemaObj == null) {
                throw CFLib.getDefaultExceptionFactory().newNullArgumentException(getClass(), S_ProcName, 0,
                        "getParser().getSchemaObj()");
            }

            // Instantiate an edit buffer for the parsed information
            ICFCrmServiceEditObj editBuff = (ICFCrmServiceEditObj) schemaObj.getServiceTableObj().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("HostPort")) {
                    if (attrHostPort != null) {
                        throw CFLib.getDefaultExceptionFactory().newUniqueIndexViolationException(getClass(),
                                S_ProcName, S_LocalName, attrLocalName);
                    }
                    attrHostPort = attrs.getValue(idxAttr);
                } else if (attrLocalName.equals("ServiceType")) {
                    if (attrServiceType != null) {
                        throw CFLib.getDefaultExceptionFactory().newUniqueIndexViolationException(getClass(),
                                S_ProcName, S_LocalName, attrLocalName);
                    }
                    attrServiceType = 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 ((attrHostPort == null) || (attrHostPort.length() <= 0)) {
                throw CFLib.getDefaultExceptionFactory().newNullArgumentException(getClass(), S_ProcName, 0,
                        "HostPort");
            }

            // Save named attributes to context
            CFLibXmlCoreContext curContext = getParser().getCurContext();
            curContext.putNamedValue("Id", attrId);
            curContext.putNamedValue("HostPort", attrHostPort);
            curContext.putNamedValue("ServiceType", attrServiceType);

            // Convert string attributes to native Java types
            // and apply the converted attributes to the editBuff.

            Integer natId;
            if ((attrId != null) && (attrId.length() > 0)) {
                natId = new Integer(Integer.parseInt(attrId));
            } else {
                natId = null;
            }
            short natHostPort = Short.parseShort(attrHostPort);
            editBuff.setRequiredHostPort(natHostPort);

            // Get the scope/container object

            CFLibXmlCoreContext parentContext = curContext.getPrevContext();
            Object scopeObj;
            if (parentContext != null) {
                scopeObj = parentContext.getNamedValue("Object");
            } else {
                scopeObj = null;
            }

            // Resolve and apply optional Container reference

            if (scopeObj == null) {
                refHost = null;
                editBuff.setOptionalContainerHost(refHost);
                refCluster = editBuff.getRequiredOwnerCluster();
            } else if (scopeObj instanceof ICFCrmHostNodeObj) {
                refHost = (ICFCrmHostNodeObj) scopeObj;
                editBuff.setOptionalContainerHost(refHost);
                refCluster = editBuff.getRequiredOwnerCluster();
            } else {
                throw CFLib.getDefaultExceptionFactory().newUnsupportedClassException(getClass(), S_ProcName,
                        "scopeObj", scopeObj, "ICFCrmHostNodeObj");
            }

            // Resolve and apply Owner reference

            if (refCluster == null) {
                if (scopeObj instanceof ICFCrmClusterObj) {
                    refCluster = (ICFCrmClusterObj) scopeObj;
                    editBuff.setRequiredOwnerCluster(refCluster);
                } else {
                    throw CFLib.getDefaultExceptionFactory().newNullArgumentException(getClass(), S_ProcName, 0,
                            "Owner<Cluster>");
                }
            }

            // Lookup refServiceType by key name value attr
            if ((attrServiceType != null) && (attrServiceType.length() > 0)) {
                refServiceType = schemaObj.getServiceTypeTableObj().readServiceTypeByUDescrIdx(attrServiceType);
                if (refServiceType == null) {
                    throw CFLib.getDefaultExceptionFactory().newNullArgumentException(getClass(), S_ProcName, 0,
                            "Resolve ServiceType reference named \"" + attrServiceType + "\" to table ServiceType");
                }
            } else {
                refServiceType = null;
            }
            editBuff.setOptionalParentServiceType(refServiceType);

            ICFCrmServiceObj origService;
            ICFCrmServiceEditObj editService = editBuff;
            origService = (ICFCrmServiceObj) editService.create();
            editService.endEdit();

            curContext.putNamedValue("Object", origService);
        } 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 {
    }
}