Example usage for java.lang Number intValue

List of usage examples for java.lang Number intValue

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Introduction

In this page you can find the example usage for java.lang Number intValue.

Prototype

public abstract int intValue();

Source Link

Document

Returns the value of the specified number as an int .

Usage

From source file:com.alibaba.wasp.plan.parser.druid.DruidParser.java

/**
 * The abstract class Number is the superclass of classes BigDecimal,
 * BigInteger, Byte, Double, Float, Integer, Long, and Short. Subclasses of
 * Number must provide methods to convert the represented numeric value to
 * byte, double, float, int, long, and short.
 *///from w w w  .  ja  v  a2  s  .c  o  m
public static byte[] convert(DataType type, Number number) throws UnsupportedException {
    // BigDecimal, BigInteger, Byte, Double, Float, Integer, Long, and Short.
    if (number instanceof BigDecimal) {
        if (type == DataType.FLOAT) {
            return Bytes.toBytes(number.floatValue());
        } else if (type == DataType.DOUBLE) {
            return Bytes.toBytes(number.doubleValue());
        } else if (type == DataType.INT32) {
            return Bytes.toBytes(number.intValue());
        } else if (type == DataType.INT64) {
            return Bytes.toBytes(number.longValue());
        }
        return Bytes.toBytes((BigDecimal) number);
    } else if (number instanceof BigInteger) {
        throw new UnsupportedException(" BigInteger " + number + " Unsupported");
    } else if (number instanceof Byte) {
        return Bytes.toBytes((Byte) number);
    } else if (number instanceof Double) {
        double value = number.doubleValue();
        if (type == DataType.FLOAT) {
            return Bytes.toBytes((float) value);
        } else if (type == DataType.DOUBLE) {
            return Bytes.toBytes(value);
        } else if (type == DataType.INT32) {
            int iv = (int) value;
            return Bytes.toBytes(iv);
        } else if (type == DataType.INT64) {
            long lv = (long) value;
            return Bytes.toBytes(lv);
        }
    } else if (number instanceof Float) {
        float value = number.floatValue();
        if (type == DataType.FLOAT) {
            return Bytes.toBytes(value);
        } else if (type == DataType.DOUBLE) {
            return Bytes.toBytes((float) value);
        } else if (type == DataType.INT32) {
            int iv = (int) value;
            return Bytes.toBytes(iv);
        } else if (type == DataType.INT64) {
            long lv = (long) value;
            return Bytes.toBytes(lv);
        }
    } else if (number instanceof Integer) {
        int value = number.intValue();
        if (type == DataType.INT32) {
            return Bytes.toBytes((Integer) value);
        } else if (type == DataType.INT64) {
            return Bytes.toBytes((long) value);
        } else if (type == DataType.FLOAT) {
            float fv = (float) value;
            return Bytes.toBytes(fv);
        } else if (type == DataType.DOUBLE) {
            double fv = (double) value;
            return Bytes.toBytes(fv);
        }
    } else if (number instanceof Long) {
        long value = number.longValue();
        if (type == DataType.INT32) {
            return Bytes.toBytes((int) value);
        } else if (type == DataType.INT64) {
            return Bytes.toBytes(value);
        } else if (type == DataType.FLOAT) {
            float fv = (float) value;
            return Bytes.toBytes(fv);
        } else if (type == DataType.DOUBLE) {
            double fv = (double) value;
            return Bytes.toBytes(fv);
        }
    } else if (number instanceof Short) {
        return Bytes.toBytes((Short) number);
    }
    throw new UnsupportedException("Unknown Number:" + number + " Type:" + type + " Unsupported ");
}

From source file:com.xwtec.xwserver.util.json.util.JSONUtils.java

/**
 * Transforms a Number into a valid javascript number.<br>
 * Float gets promoted to Double.<br>
 * Byte and Short get promoted to Integer.<br>
 * Long gets downgraded to Integer if possible.<br>
 *//*from   ww  w .  jav a  2 s.c om*/
public static Number transformNumber(Number input) {
    if (input instanceof Float) {
        return new Double(input.toString());
    } else if (input instanceof Short) {
        return new Integer(input.intValue());
    } else if (input instanceof Byte) {
        return new Integer(input.intValue());
    } else if (input instanceof Long) {
        Long max = new Long(Integer.MAX_VALUE);
        if (input.longValue() <= max.longValue() && input.longValue() >= Integer.MIN_VALUE) {
            return new Integer(input.intValue());
        }
    }

    return input;
}

From source file:demo.config.PropertyConverter.java

/**
 * Convert the specified object into an Integer.
 * //w  ww  .  j  a  va2s.c  om
 * @param value
 *            the value to convert
 * @return the converted value
 * @throws ConversionException
 *             thrown if the value cannot be converted to an integer
 */
public static Integer toInteger(Object value) throws ConversionException {
    Number n = toNumber(value, Integer.class);
    if (n instanceof Integer) {
        return (Integer) n;
    } else {
        return new Integer(n.intValue());
    }
}

From source file:Main.java

@Override
public void start(Stage stage) {
    Group root = new Group();
    Scene scene = new Scene(root, 500, 200);
    stage.setScene(scene);// w  w  w .jav a2s .c  o  m

    Rectangle rect = new Rectangle(200, 200, Color.RED);
    ScrollPane s1 = new ScrollPane();
    s1.setPrefSize(120, 120);
    s1.setContent(rect);

    s1.vvalueProperty().addListener(new ChangeListener<Number>() {
        public void changed(ObservableValue<? extends Number> ov, Number old_val, Number new_val) {
            System.out.println(new_val.intValue());
        }
    });
    s1.hvalueProperty().addListener(new ChangeListener<Number>() {
        public void changed(ObservableValue<? extends Number> ov, Number old_val, Number new_val) {
            System.out.println(new_val.intValue());
        }
    });
    root.getChildren().add(s1);
    stage.show();
}

From source file:Main.java

@Override
public void start(Stage stage) {
    Scene scene = new Scene(new Group());
    stage.setScene(scene);// w ww. j a  va  2  s.  c  o  m
    stage.show();

    stage.setWidth(300);
    stage.setHeight(200);

    final String[] greetings = new String[] { "Hello", "Hola", "1", "2" };
    final ChoiceBox cb = new ChoiceBox(FXCollections.observableArrayList("1", "2", "3", "4"));
    cb.getSelectionModel().selectedIndexProperty().addListener(new ChangeListener<Number>() {
        public void changed(ObservableValue ov, Number value, Number new_value) {
            System.out.println(new_value.intValue());
        }
    });

    cb.setValue("2");
    HBox hb = new HBox();
    hb.getChildren().addAll(cb);
    hb.setSpacing(30);
    hb.setAlignment(Pos.CENTER);
    hb.setPadding(new Insets(10, 0, 0, 10));

    ((Group) scene.getRoot()).getChildren().add(hb);

}

From source file:Main.java

@Override
public void start(Stage stage) {
    Scene scene = new Scene(new Group());
    scene.setFill(Color.ALICEBLUE);
    stage.setScene(scene);/*  w  w  w  .  j  a  va  2  s .  c o m*/
    stage.show();

    stage.setWidth(300);
    stage.setHeight(200);

    label.setStyle("-fx-font: 25 arial;");
    label.setLayoutX(40);

    rect.setStroke(Color.BLUE);
    rect.setStrokeWidth(3);
    rect.setFill(Color.WHITE);

    final String[] greetings = new String[] { "A", "B", "C", "D", "E" };
    final ChoiceBox<String> cb = new ChoiceBox<String>(
            FXCollections.observableArrayList("a", "b", "c", "d", "e"));

    cb.getSelectionModel().selectedIndexProperty().addListener(new ChangeListener<Number>() {
        public void changed(ObservableValue ov, Number value, Number new_value) {
            label.setText(greetings[new_value.intValue()]);
        }
    });

    cb.setTooltip(new Tooltip("Select the language"));
    cb.setValue("English");
    HBox hb = new HBox();
    hb.getChildren().addAll(cb, label);
    hb.setSpacing(30);
    hb.setAlignment(Pos.CENTER);
    hb.setPadding(new Insets(10, 0, 0, 10));

    ((Group) scene.getRoot()).getChildren().add(hb);

}

From source file:cz.jirutka.spring.data.jdbc.fixtures.CommentRepository.java

@Override
protected <S extends Comment> S postInsert(S entity, Number generatedId) {
    entity.setId(generatedId.intValue());
    return entity;
}

From source file:cz.jirutka.spring.data.jdbc.fixtures.CommentWithUserRepository.java

@Override
protected <S extends CommentWithUser> S postInsert(S entity, Number generatedId) {
    entity.setId(generatedId.intValue());
    return entity;
}

From source file:jenkins.plugins.livingdoc.chart.NumberLabelGenerator.java

public String generateLabel(CategoryDataset dataset, int row, int column) {
    Number value = dataset.getValue(row, column);
    return value == null || value.intValue() == 0 ? null : String.valueOf(value.intValue());
}

From source file:io.coala.random.impl.RandomNumberStreamFactoryWell19937c.java

@Override
public RandomNumberStream create(final RandomNumberStreamID id, final Number seed) {
    final RandomGenerator rng = new Well19937c();
    rng.setSeed(seed.intValue());
    return RandomNumberStream.Util.asStream(id, rng);
}