Examples with IonString com.amazon.ion.IonString used on opensource projects

Example 1 with IonString

use of com.amazon.ion.IonString in project amazon-qldb-dmv-sample-java by aws-samples.

the class JournalS3ExportReader method getDataFileKeysFromManifest.

/**
 * Given the S3Object to the completed manifest file, return the keys
 * which are part of this export request.
 *
 * @param s3Object
 *              A {@link S3Object}.
 * @return a list of data file keys containing the chunk of {@link JournalBlock}.
 */
private static List<String> getDataFileKeysFromManifest(final S3Object s3Object) {
    IonReader ionReader = IonReaderBuilder.standard().build(s3Object.getObjectContent());
    // Read the data
    ionReader.next();
    List<String> keys = new ArrayList<>();
    IonStruct ionStruct = (IonStruct) SYSTEM.newValue(ionReader);
    IonList ionKeysList = (IonList) ionStruct.get("keys");
    ionKeysList.forEach(key -> keys.add(((IonString) key).stringValue()));
    return keys;
}

Example 2 with IonString

use of com.amazon.ion.IonString in project amazon-qldb-dmv-sample-java by aws-samples.

the class RevisionMetadata method fromIon.

public static RevisionMetadata fromIon(final IonStruct ionStruct) {
    if (ionStruct == null) {
        throw new IllegalArgumentException("Metadata cannot be null");
    }
    try {
        IonString id = (IonString) ionStruct.get("id");
        IonInt version = (IonInt) ionStruct.get("version");
        IonTimestamp txTime = (IonTimestamp) ionStruct.get("txTime");
        IonString txId = (IonString) ionStruct.get("txId");
        if (id == null || version == null || txTime == null || txId == null) {
            throw new IllegalArgumentException("Document is missing required fields");
        }
        return new RevisionMetadata(id.stringValue(), version.longValue(), new Date(txTime.getMillis()), txId.stringValue());
    } catch (ClassCastException e) {
        log.error("Failed to parse ion document");
        throw new IllegalArgumentException("Document members are not of the correct type", e);
    }
}

Example 3 with IonString

use of com.amazon.ion.IonString in project ion-java by amzn.

the class _Private_CurriedValueFactory method newString.

public IonString newString(String value) {
    IonString v = myFactory.newString(value);
    handle(v);
    return v;
}

Example 4 with IonString

use of com.amazon.ion.IonString in project ion-java by amzn.

the class SimpleCatalogTest method testBenchmark.

@SuppressWarnings("unchecked")
@Test
public void testBenchmark() {
    Map m = new HashMap();
    String s = "hello";
    m.put("This is a test String.", true);
    m.put(s, true);
    m.put("true", true);
    m.put("false", false);
    m.put("Something", null);
    m.put("12242.124598129", 12242.124598129);
    m.put("long", (long) 9326);
    m.put("12", 12);
    m.put("Almost Done.", true);
    m.put("Date", new Date(-10000));
    HashMap<String, String> hmap = new HashMap();
    for (int i = 0; i < 10; i++) {
        hmap.put("Key " + i, "value " + i);
    }
    TreeMap<String, String> tmap = new TreeMap();
    for (int i = 0; i < 10; i++) {
        tmap.put("Key " + i, "value " + i);
    }
    m.put("hmap", hmap);
    m.put("tmap", tmap);
    IonSystem sys = system();
    IonStruct i_tmap, i_hmap, i_map;
    Set<Entry<String, String>> set;
    i_tmap = sys.newEmptyStruct();
    set = tmap.entrySet();
    for (Entry<String, String> e : set) {
        IonString is = sys.newString(e.getValue());
        i_tmap.add(e.getKey(), is);
    }
    i_hmap = sys.newEmptyStruct();
    set = hmap.entrySet();
    for (Entry<String, String> e : set) {
        IonString is = sys.newString(e.getValue());
        i_hmap.add(e.getKey(), is);
    }
    i_map = sys.newEmptyStruct();
    set = tmap.entrySet();
    for (Entry<String, String> e : set) {
        Object val = e.getValue();
        IonValue ival;
        if (val instanceof String) {
            ival = sys.newString((String) val);
        } else if (e.getKey().equals("tmap")) {
            ival = i_tmap;
        } else if (e.getKey().equals("hmap")) {
            ival = i_hmap;
        } else {
            throw new RuntimeException("ACK! there's something in this map I don't understand!");
        }
        i_map.add(e.getKey(), ival);
    }
    IonDatagram dg = sys.newDatagram(i_map);
    byte[] bytes = dg.getBytes();
    IonValue v2 = sys.singleValue(bytes);
    assertNotNull(v2);
}

Example 5 with IonString

use of com.amazon.ion.IonString in project ion-java by amzn.

the class IonWriterSystemTree method writeString.

public void writeString(String value) throws IOException {
    IonString v = _factory.newString(value);
    append(v);
}