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Diffstat (limited to 'MS_0.6.0_20090114/org.eclipse.osee.framework.jdk.core/src/org/eclipse/osee/framework/jdk/core/util/io/xml/ExcelSaxHandler.java')
| -rw-r--r-- | MS_0.6.0_20090114/org.eclipse.osee.framework.jdk.core/src/org/eclipse/osee/framework/jdk/core/util/io/xml/ExcelSaxHandler.java | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/MS_0.6.0_20090114/org.eclipse.osee.framework.jdk.core/src/org/eclipse/osee/framework/jdk/core/util/io/xml/ExcelSaxHandler.java b/MS_0.6.0_20090114/org.eclipse.osee.framework.jdk.core/src/org/eclipse/osee/framework/jdk/core/util/io/xml/ExcelSaxHandler.java new file mode 100644 index 00000000000..263b6e9c785 --- /dev/null +++ b/MS_0.6.0_20090114/org.eclipse.osee.framework.jdk.core/src/org/eclipse/osee/framework/jdk/core/util/io/xml/ExcelSaxHandler.java @@ -0,0 +1,133 @@ +/******************************************************************************* + * 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.jdk.core.util.io.xml; + +import java.util.Arrays; +import org.xml.sax.Attributes; +import org.xml.sax.SAXException; + +/** + * @author Ryan D. Brooks + */ +public class ExcelSaxHandler extends AbstractSaxHandler { + private String[] row; + private int cellIndex; + private int rowIndex; + private final RowProcessor rowProcessor; + private boolean isRowHeader; + private final boolean firstRowIsHeader; + private final boolean multiTable; + private boolean rowEmpty; + + public ExcelSaxHandler(RowProcessor rowProcessor, boolean firstRowIsHeader, boolean enableMultiTableSupport) { + super(); + this.rowProcessor = rowProcessor; + this.firstRowIsHeader = firstRowIsHeader; + this.multiTable = enableMultiTableSupport; + rowIndex = 0; + } + + public ExcelSaxHandler(RowProcessor rowProcessor, boolean hasHeaderRow) { + this(rowProcessor, hasHeaderRow, false); + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.osee.framework.jdk.core.util.io.xml.AbstractSaxHandler#startElementFound(java.lang.String, + * java.lang.String, java.lang.String, org.xml.sax.Attributes) + */ + @Override + public void startElementFound(String uri, String localName, String qName, Attributes attributes) throws SAXException { + if (localName.equalsIgnoreCase("Row")) { + cellIndex = -1; // so that upon finding the first cell start element the index becomes 0 + rowEmpty = true; + // null out because any empty cells would otherwise contain data from the previous row + Arrays.fill(row, 0, row.length, null); + + String indexStr = attributes.getValue("ss:Index"); + if (indexStr != null) { + int oldRowIndex = rowIndex; + rowIndex = Integer.parseInt(indexStr) - 1; // translate from Excel's 1-based index to + // our 0-based index + for (int i = oldRowIndex; i < rowIndex; i++) { + rowProcessor.processEmptyRow(); + } + } else { + rowIndex++; + } + } else if (localName.equalsIgnoreCase("Cell")) { + String indexStr = attributes.getValue("ss:Index"); + if (indexStr != null) { + cellIndex = Integer.parseInt(indexStr) - 1; // translate from Excel's 1-based index to + // our 0-based index + } else { + cellIndex++; + } + } else if (localName.equalsIgnoreCase("Table")) { + String columnCountStr = attributes.getValue("ss:ExpandedColumnCount"); + if (columnCountStr == null) { + throw new IllegalArgumentException("missing ss:ExpandedColumnCount attribute of Table element"); + } + row = new String[Integer.parseInt(columnCountStr)]; + + String rowCountStr = attributes.getValue("ss:ExpandedRowCount"); + if (rowCountStr == null) { + rowCountStr = "0"; + } + rowProcessor.detectedRowAndColumnCounts(Integer.parseInt(rowCountStr), row.length); + } else if (localName.equalsIgnoreCase("Worksheet")) { + isRowHeader = firstRowIsHeader; // next non-empty row will be considered a header (if + // applicable) + rowProcessor.foundStartOfWorksheet(attributes.getValue("ss:Name")); + // System.out.println("Worksheet =" +attributes.getValue("ss:Name")); + } + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.osee.framework.jdk.core.util.io.xml.AbstractSaxHandler#endElementWithClearContents(java.lang.String, + * java.lang.String, java.lang.String) + */ + @Override + public void endElementFound(String uri, String localName, String qName) throws SAXException { + if (localName.equalsIgnoreCase("Data")) { + String contentStr = getContents(); + if (!contentStr.equals(ExcelXmlWriter.blobMessage)) { + if (contentStr.equals(ExcelXmlWriter.defaultEmptyString)) { + row[cellIndex] = ""; + } else { + row[cellIndex] = contentStr; + } + } + rowEmpty = false; + } else if (localName.equalsIgnoreCase("Row")) { + if (rowEmpty) { + rowProcessor.processEmptyRow(); + if (multiTable) { + isRowHeader = true; // next non-empty row will be considered a header + } + } else if (row[0] != null && row[0].startsWith("#")) { + rowProcessor.processCommentRow(row); + } else if (isRowHeader) { + isRowHeader = false; + rowProcessor.processHeaderRow(row); + } else { + rowProcessor.processRow(row); + } + } else if (localName.equalsIgnoreCase("Worksheet")) { + rowProcessor.reachedEndOfWorksheet(); + } else if (localName.equalsIgnoreCase("EmbeddedClob")) { + row[cellIndex] = getContents(); + } + } +}
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