添加Excel数据集基本类

datagear-analysis/src/main/java/org/datagear/analysis/support/AbstractExcelDataSet.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2018 datagear.tech. All Rights Reserved.
+ */
+
+/**
+ * 
+ */
+package org.datagear.analysis.support;
+
+import java.io.File;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+import org.datagear.analysis.DataSetException;
+import org.datagear.analysis.DataSetProperty;
+import org.datagear.analysis.DataSetResult;
+import org.datagear.analysis.ResolvableDataSet;
+import org.datagear.util.FileUtil;
+
+/**
+ * 抽象Excel数据集。
+ * 
+ * @author datagear@163.com
+ *
+ */
+public abstract class AbstractExcelDataSet extends AbstractFmkTemplateDataSet implements ResolvableDataSet
+{
+	public static final String EXTENSION_XLSX = "xlsx";
+
+	public static final String EXTENSION_XLS = "xls";
+
+	public AbstractExcelDataSet()
+	{
+	}
+
+	@SuppressWarnings("unchecked")
+	public AbstractExcelDataSet(String id, String name)
+	{
+		super(id, name, Collections.EMPTY_LIST);
+	}
+
+	public AbstractExcelDataSet(String id, String name, List<DataSetProperty> properties)
+	{
+		super(id, name, properties);
+	}
+
+	@Override
+	public DataSetResult getResult(Map<String, ?> paramValues) throws DataSetException
+	{
+		// TODO
+		return null;
+	}
+
+	/**
+	 * 获取Excel文件。
+	 * 
+	 * @param paramValues
+	 * @return
+	 * @throws DataSetException
+	 */
+	protected abstract File getExcelFile(Map<String, ?> paramValues) throws DataSetException;
+
+	/**
+	 * 给定Excel文件是否是老版本的{@code .xls}文件。
+	 * 
+	 * @param file
+	 * @return
+	 */
+	protected boolean isXls(File file)
+	{
+		return FileUtil.isExtension(file, EXTENSION_XLS);
+	}
+}