@Test(expectedExceptions = DataProcessingException.class)
public void testMapRecords() {
final ObjectRowWriterProcessor clientProcessor = new ObjectRowWriterProcessor();
final ObjectRowWriterProcessor accountProcessor = new ObjectRowWriterProcessor();
OutputValueSwitch writerSwitch = new OutputValueSwitch();
writerSwitch.addSwitchForValue(
"Account", accountProcessor, "type", "balance", "bank", "account", "swift");
writerSwitch.addSwitchForValue("Client", clientProcessor);
CsvWriterSettings settings = new CsvWriterSettings();
settings.setExpandIncompleteRows(true);
settings.getFormat().setLineSeparator("\n");
settings.setHeaderWritingEnabled(false);
settings.setRowWriterProcessor(writerSwitch);
StringWriter output = new StringWriter();
CsvWriter writer = new CsvWriter(output, settings);
Map<String, Object> rowData = new LinkedHashMap<String, Object>();
rowData.put("balance", "sp2");
rowData.put(
"type", "Account"); // account NOT in first position to force an exception to happen.
rowData.put("bank", "sp3");
rowData.put("acount", "sp4");
rowData.put("swift", "sp5");
writer.processRecord(rowData);
writer.close();
}
@Test
public void testMultiple() {
OutputValueSwitch writerSwitch = new OutputValueSwitch("type");
writerSwitch.addSwitchForValue(
"SUPER", new ObjectRowWriterProcessor(), "type", "h1", "h2", "h3", "h4");
writerSwitch.addSwitchForValue(
"SUB1", new ObjectRowWriterProcessor(), "type", "a", "b", "c", "d", "e", "f", "g");
writerSwitch.addSwitchForValue(
"SUB2",
new ObjectRowWriterProcessor(),
"type",
"p",
"q",
"r",
"s",
"t",
"u",
"v",
"w",
"x",
"y",
"z");
CsvWriterSettings settings = new CsvWriterSettings();
settings.setExpandIncompleteRows(true);
settings.getFormat().setLineSeparator("\n");
settings.setHeaderWritingEnabled(false);
settings.setRowWriterProcessor(writerSwitch);
StringWriter output = new StringWriter();
CsvWriter writer = new CsvWriter(output, settings);
writer.writeRow(newMap("SUPER", "h1=>v1;h2=>v2;h3=>v3;h4=>v4"));
writer.writeRow(newMap("SUB1", "a=>v5;d=>v6;e=>v7;g=>v8"));
writer.writeRow(newMap("SUB2", "q=>v9;u=>v10;w=>v11;y=>v12"));
writer.writeRow(newMap("SUB1", "a=>v13;d=>v14;g=>v15"));
writer.writeRow(newMap("SUB1", "a=>v16;d=>v17;f=>v18"));
writer.close();
assertEquals(
output.toString(),
""
+ "SUPER,v1,v2,v3,v4\n"
+ "SUB1,v5,,,v6,v7,,v8\n"
+ "SUB2,,v9,,,,v10,,v11,,v12,\n"
+ "SUB1,v13,,,v14,,,v15\n"
+ "SUB1,v16,,,v17,,v18,\n");
}
@Test
public void testMapWithUnexpectedHeaders() {
OutputValueSwitch writerSwitch = new OutputValueSwitch("type");
writerSwitch.addSwitchForValue(
"SUPER", new ObjectRowWriterProcessor(), "type", "h1", "h2", "h3", "h4");
writerSwitch.addSwitchForValue(
"DUPER", new ObjectRowWriterProcessor(), "type", "h4", "Z1", "Z3", "h1");
CsvWriterSettings settings = new CsvWriterSettings();
settings.setExpandIncompleteRows(true);
settings.getFormat().setLineSeparator("\n");
settings.setHeaderWritingEnabled(false);
settings.setRowWriterProcessor(writerSwitch);
StringWriter output = new StringWriter();
CsvWriter writer = new CsvWriter(output, settings);
writer.writeRow(newMap("SUPER", "Z1=>v1;h2=>v2;h3=>v3;h4=>v4"));
writer.writeRow(newMap("DUPER", "Z1=>v1;h2=>v2;Z3=>v3;h4=>v4"));
writer.close();
assertEquals(output.toString(), "" + "SUPER,,v2,v3,v4\n" + "DUPER,v4,v1,v3,\n");
}