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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.branch.management.exchange.handler;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.osee.framework.branch.management.exchange.ExportImportXml;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.jdk.core.util.Strings;
import org.eclipse.osee.framework.jdk.core.util.io.xml.AbstractSaxHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* @author Roberto E. Escobar
*/
public abstract class BaseExportImportSaxHandler extends AbstractSaxHandler {
protected final static String STRING_CONTENT = "stringContent";
protected final static String BINARY_CONTENT_LOCATION = "binaryContentLocation";
private final Map<String, String> dataMap;
protected BaseExportImportSaxHandler() {
super();
this.dataMap = new HashMap<String, String>();
}
@Override
public void startElementFound(String uri, String localName, String name, Attributes attributes) throws SAXException {
if (localName.equalsIgnoreCase(ExportImportXml.DATA)) {
handleData(attributes);
} else if (localName.equalsIgnoreCase(ExportImportXml.ENTRY)) {
handleEntry(attributes);
} else if (localName.equalsIgnoreCase(ExportImportXml.BINARY_CONTENT)) {
handleBinaryContent(attributes);
}
}
@Override
public void endElementFound(String uri, String localName, String name) throws Exception {
if (localName.equalsIgnoreCase(ExportImportXml.STRING_CONTENT)) {
finishStringContent(ExportImportXml.STRING_CONTENT);
} else if (localName.equalsIgnoreCase(ExportImportXml.OSEE_COMMENT)) {
finishStringContent(ExportImportXml.OSEE_COMMENT);
} else if (localName.equalsIgnoreCase(ExportImportXml.BRANCH_NAME)) {
finishStringContent(ExportImportXml.BRANCH_NAME);
} else if (localName.equalsIgnoreCase(ExportImportXml.RATIONALE)) {
finishStringContent(ExportImportXml.RATIONALE);
} else if (localName.equalsIgnoreCase(ExportImportXml.ENTRY)) {
finishEntry();
} else if (localName.equalsIgnoreCase(ExportImportXml.DATA)) {
finishData();
}
}
private void handleData(Attributes attributes) {
// Do Nothing
}
protected void finishData() {
}
private void handleEntry(Attributes attributes) {
this.dataMap.clear();
int attributeCount = attributes.getLength();
for (int index = 0; index < attributeCount; index++) {
String columnName = attributes.getLocalName(index);
String value = attributes.getValue(index);
if (Strings.isValid(value) && !value.equals("null")) {
this.dataMap.put(columnName, value);
}
}
}
private void handleBinaryContent(Attributes attributes) {
this.dataMap.put(BINARY_CONTENT_LOCATION, attributes.getValue("location"));
}
private void finishEntry() throws OseeCoreException {
if (this.dataMap.isEmpty() != true) {
processData(this.dataMap);
}
this.dataMap.clear();
}
private void finishStringContent(String name) {
this.dataMap.put(name, getContents());
}
protected abstract void processData(Map<String, String> dataMap) throws OseeCoreException;
}
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