101 lines
2.5 KiB
Java
101 lines
2.5 KiB
Java
package org.gcube.portlets.user.statisticalalgorithmsimporter.client.codeparser;
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import org.gcube.portlets.user.statisticalalgorithmsimporter.shared.input.DataType;
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import org.gcube.portlets.user.statisticalalgorithmsimporter.shared.input.IOType;
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import org.gcube.portlets.user.statisticalalgorithmsimporter.shared.input.SelectedRowsVariables;
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import com.google.gwt.regexp.shared.RegExp;
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/**
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*
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* @author Giancarlo Panichi email: <a
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* href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
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*
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*/
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public class CodeParser {
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private static final String IMAGE_PATTERN = "([^\\s]+(\\.(jpg|png|gif|bmp)\"))";
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private static final String FILE_PATTERN = "([^\\s]+(\\.(txt|csv|pdf|doc)\"))";
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private static final String ENUM1_PATTERN = "(c\\([^\\)]*\\))";
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private static final String ENUM2_PATTERN = "(\\{[^\\}]*\\})";
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public CodeParser() {
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}
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public SelectedRowsVariables parse(String parameter, IOType ioType) {
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SelectedRowsVariables selectedRowsVariables = null;
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if (parameter == null) {
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return null;
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}
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if (parameter.contains("<-")) {
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String[] varDescription = parameter.split("<-");
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selectedRowsVariables = new SelectedRowsVariables(
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varDescription[0].trim(), varDescription[0].trim(),
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varDescription[1].trim(),
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checkDataType(varDescription[1].trim()), ioType, parameter);
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} else {
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if (parameter.contains("=")) {
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String[] varDescription = parameter.split("=");
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selectedRowsVariables = new SelectedRowsVariables(
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varDescription[0].trim(), varDescription[0].trim(),
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varDescription[1].trim(),
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checkDataType(varDescription[1].trim()), ioType,
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parameter);
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} else {
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return null;
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}
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}
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return selectedRowsVariables;
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}
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private DataType checkDataType(String data) {
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if (data == null || data.isEmpty()) {
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return DataType.STRING;
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}
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// Compile and use regular expression
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RegExp regExpFile = RegExp.compile(FILE_PATTERN);
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if (regExpFile.test(data)) {
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return DataType.FILE;
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}
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RegExp regExpImage = RegExp.compile(IMAGE_PATTERN);
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if (regExpImage.test(data)) {
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return DataType.FILE;
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}
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RegExp regExpEnum1 = RegExp.compile(ENUM1_PATTERN);
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if (regExpEnum1.test(data)) {
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return DataType.ENUMERATED;
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}
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RegExp regExpEnum2 = RegExp.compile(ENUM2_PATTERN);
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if (regExpEnum2.test(data)) {
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return DataType.ENUMERATED;
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}
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try {
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Integer.parseInt(data);
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return DataType.INTEGER;
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} catch (NumberFormatException e) {
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}
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try {
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Double.parseDouble(data);
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return DataType.DOUBLE;
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} catch (NumberFormatException e) {
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}
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return DataType.STRING;
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}
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}
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