Example usage for com.google.gwt.dev.jjs.ast JDoubleLiteral get

Introduction

In this page you can find the example usage for com.google.gwt.dev.jjs.ast JDoubleLiteral get.

Prototype

public static JDoubleLiteral get(double value) 

Source Link

Usage

From source file:de.knightsoftnet.validators.rebind.GwtSpecificValidatorCreator.java

License:Apache License

/**
 * Returns the literal value of an object that is suitable for inclusion in Java Source code.
 *
 * <p>/*from   www.ja  va 2 s.co m*/
 * Supports all types that {@link Annotation} value can have.
 * </p>
 *
 *
 * @throws IllegalArgumentException if the type of the object does not have a java literal form.
 */
public static String asLiteral(final Object value) throws IllegalArgumentException {
    final Class<?> clazz = value.getClass();

    if (clazz.isArray()) {
        final StringBuilder sb = new StringBuilder();
        final Object[] array = (Object[]) value;

        sb.append("new " + clazz.getComponentType().getCanonicalName() + "[] {");
        boolean first = true;
        for (final Object object : array) {
            if (first) {
                first = false;
            } else {
                sb.append(',');
            }
            sb.append(asLiteral(object));
        }
        sb.append('}');
        return sb.toString();
    }

    if (value instanceof Boolean) {
        return JBooleanLiteral.get(((Boolean) value).booleanValue()).toSource();
    } else if (value instanceof Byte) {
        return JIntLiteral.get(((Byte) value).byteValue()).toSource();
    } else if (value instanceof Character) {
        return JCharLiteral.get(((Character) value).charValue()).toSource();
    } else if (value instanceof Class<?>) {
        return ((Class<?>) (Class<?>) value).getCanonicalName() + ".class";
    } else if (value instanceof Double) {
        return JDoubleLiteral.get(((Double) value).doubleValue()).toSource();
    } else if (value instanceof Enum) {
        return value.getClass().getCanonicalName() + "." + ((Enum<?>) value).name();
    } else if (value instanceof Float) {
        return JFloatLiteral.get(((Float) value).floatValue()).toSource();
    } else if (value instanceof Integer) {
        return JIntLiteral.get(((Integer) value).intValue()).toSource();
    } else if (value instanceof Long) {
        return JLongLiteral.get(((Long) value).longValue()).toSource();
    } else if (value instanceof String) {
        return '"' + Generator.escape((String) value) + '"';
    } else {
        // TODO(nchalko) handle Annotation types
        throw new IllegalArgumentException(value.getClass() + " can not be represented as a Java Literal.");
    }
}

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