public static void main(String[] args) throws IOException {
Closer closer = Closer.create();
// copy a file
File origin = new File("join_temp");
File copy = new File("target_temp");
try {
BufferedReader reader = new BufferedReader(new FileReader("join_temp"));
BufferedWriter writer = new BufferedWriter(new FileWriter("target_temp"));
closer.register(reader);
closer.register(writer);
String line;
while ((line = reader.readLine()) != null) {
writer.write(line);
}
} catch (IOException e) {
throw closer.rethrow(e);
} finally {
closer.close();
}
Files.copy(origin, copy);
File moved = new File("moved");
// moving renaming
Files.move(copy, moved);
// working files as string
List<String> lines = Files.readLines(origin, Charsets.UTF_8);
HashCode hashCode = Files.hash(origin, Hashing.md5());
System.out.println(hashCode);
// file write and append
String hamlet = "To be, or not to be it is a question\n";
File write_and_append = new File("write_and_append");
Files.write(hamlet, write_and_append, Charsets.UTF_8);
Files.append(hamlet, write_and_append, Charsets.UTF_8);
// write_and_append.deleteOnExit();
Files.write("OverWrite the file", write_and_append, Charsets.UTF_8);
// ByteSource ByteSink
ByteSource fileBytes = Files.asByteSource(write_and_append);
byte[] readBytes = fileBytes.read();
// equals to pre line -> Files.toByteArray(write_and_append) == readBytes
ByteSink fileByteSink = Files.asByteSink(write_and_append);
fileByteSink.write(Files.toByteArray(write_and_append));
BaseEncoding base64 = BaseEncoding.base64();
System.out.println(base64.encode("123456".getBytes()));
}
private static void tryCopyIfNeeded(ByteSource supplier, File rcFile) {
if (!rcFile.exists()) {
try {
supplier.copyTo(Files.asByteSink(rcFile));
} catch (IOException e) {
rcFile.delete();
}
}
}
@Test
public void copyToByteSinkTest() throws Exception {
File dest = new File("src/test/resources/sampleCompany.pdf");
dest.deleteOnExit();
File source = new File("src/main/resources/sample.pdf");
ByteSource byteSource = Files.asByteSource(source);
ByteSink byteSink = Files.asByteSink(dest);
byteSource.copyTo(byteSink);
assertThat(Files.toByteArray(dest), is(Files.toByteArray(source)));
}
@Override
public File getResourceAsFile(String resource) throws IOException {
String name = (new File(resource)).getName();
if (name.isEmpty()) {
throw new IOException("Invalid resource name: " + resource);
}
File extractedFile =
new File(getTemporaryDirectory("resource_extraction_", Lifetimes.moeExecution()), name);
makeDirsForFile(extractedFile);
OutputStream os = Files.asByteSink(extractedFile).openStream();
Resources.copy(SystemFileSystem.class.getResource(resource), os);
os.close();
return extractedFile;
}
public static void runExample(DfpServices dfpServices, DfpSession session, long orderId)
throws Exception {
// Get the ReportService.
ReportServiceInterface reportService = dfpServices.get(session, ReportServiceInterface.class);
// Create report query.
ReportQuery reportQuery = new ReportQuery();
reportQuery.setDimensions(new Dimension[] {Dimension.DATE, Dimension.ORDER_ID});
reportQuery.setColumns(
new Column[] {
Column.AD_SERVER_IMPRESSIONS,
Column.AD_SERVER_CLICKS,
Column.AD_SERVER_CTR,
Column.AD_SERVER_CPM_AND_CPC_REVENUE
});
reportQuery.setDimensionAttributes(
new DimensionAttribute[] {
DimensionAttribute.ORDER_TRAFFICKER,
DimensionAttribute.ORDER_START_DATE_TIME,
DimensionAttribute.ORDER_END_DATE_TIME
});
// Create statement to filter for an order.
StatementBuilder statementBuilder =
new StatementBuilder()
.where("ORDER_ID = :orderId")
.withBindVariableValue("orderId", orderId);
// Set the filter statement.
reportQuery.setStatement(statementBuilder.toStatement());
// Set the start and end dates or choose a dynamic date range type.
reportQuery.setDateRangeType(DateRangeType.CUSTOM_DATE);
reportQuery.setStartDate(
DateTimes.toDateTime("2013-05-01T00:00:00", "America/New_York").getDate());
reportQuery.setEndDate(
DateTimes.toDateTime("2013-05-31T00:00:00", "America/New_York").getDate());
// Create report job.
ReportJob reportJob = new ReportJob();
reportJob.setReportQuery(reportQuery);
// Run report job.
reportJob = reportService.runReportJob(reportJob);
// Create report downloader.
ReportDownloader reportDownloader = new ReportDownloader(reportService, reportJob.getId());
// Wait for the report to be ready.
reportDownloader.waitForReportReady();
// Change to your file location.
File file = File.createTempFile("delivery-report-", ".csv.gz");
System.out.printf("Downloading report to %s ...", file.toString());
// Download the report.
ReportDownloadOptions options = new ReportDownloadOptions();
options.setExportFormat(ExportFormat.CSV_DUMP);
options.setUseGzipCompression(true);
URL url = reportDownloader.getDownloadUrl(options);
Resources.asByteSource(url).copyTo(Files.asByteSink(file));
System.out.println("done.");
}
public ByteSink getFileSink(final String name) {
return Files.asByteSink(new File(getString(name)));
}
