Java ConversionUtils类代码示例

import com.holonplatform.core.internal.utils.ConversionUtils; //导入依赖的package包/类
@SuppressWarnings("resource")
@Override
public Optional<byte[]> getPayload() throws UnsupportedOperationException {
	try {
		getResponse().bufferEntity();
		InputStream is = getResponse().readEntity(InputStream.class);
		if (is != null) {
			return Optional.ofNullable(ConversionUtils.convertInputStreamToBytes(is));
		}
	} catch (Exception e) {
		// check zero-lenght response content
		if (isNoContentException(e)) {
			return Optional.empty();
		}
		throw new HttpEntityProcessingException("Failed to read HTTP entity input stream", e);
	}
	return Optional.empty();
}
 

import com.holonplatform.core.internal.utils.ConversionUtils; //导入依赖的package包/类
@SuppressWarnings("resource")
@Override
public Optional<String> getPayload() throws UnsupportedOperationException {
	try {
		InputStream is = getBody();
		if (is != null) {
			byte[] bytes = ConversionUtils.convertInputStreamToBytes(is);
			if (bytes != null && bytes.length > 0) {
				String charset = getCharset();
				String cs = (charset != null) ? charset.toUpperCase() : "UTF-8";
				return Optional.of(new String(bytes, cs));
			}
		}
		return Optional.empty();
	} catch (IOException e) {
		throw new RuntimeException(e);
	}
}
 

import com.holonplatform.core.internal.utils.ConversionUtils; //导入依赖的package包/类
@SuppressWarnings("unchecked")
@Override
public <T> T getProperty(String key, Class<T> targetType) throws IllegalArgumentException {
	ObjectUtils.argumentNotNull(key, "Property name must be not null");
	ObjectUtils.argumentNotNull(targetType, "Property type must be not null");

	Object value = properties.get(key);
	if (value != null) {
		if (TypeUtils.isAssignable(value.getClass(), targetType)) {
			return (T) value;
		} else if (TypeUtils.isString(value.getClass())) {
			return ConversionUtils.convertStringValue(value.toString(), targetType);
		} else {
			throw new IllegalArgumentException(
					"Property " + key + " type is not consistent " + "with required type: " + targetType.getName()
							+ " (got type: " + value.getClass().getName() + ")");
		}
	}

	return null;
}
 

import com.holonplatform.core.internal.utils.ConversionUtils; //导入依赖的package包/类
/**
 * Check the given view parameter value, performing type conversions when applicable.
 * @param view View instance
 * @param definition Parameter definition
 * @param value Parameter value
 * @return Processed parameter value
 * @throws ViewConfigurationException Error processing value
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
private static Object checkParameterValue(View view, ViewParameterDefinition definition, Object value)
		throws ViewConfigurationException {
	if (value != null) {
		// String
		if (TypeUtils.isString(definition.getType()) && !TypeUtils.isString(value.getClass())) {
			return value.toString();
		}
		if (!TypeUtils.isString(definition.getType()) && TypeUtils.isString(value.getClass())) {
			return ConversionUtils.convertStringValue((String) value, definition.getType());
		}
		// Numbers
		if (TypeUtils.isNumber(definition.getType()) && TypeUtils.isNumber(value.getClass())) {
			return ConversionUtils.convertNumberToTargetClass((Number) value, (Class<Number>) definition.getType());
		}
		// Enums
		if (TypeUtils.isEnum(definition.getType()) && !TypeUtils.isEnum(value.getClass())) {
			return ConversionUtils.convertEnumValue((Class<Enum>) definition.getType(), value);
		}
		// check type consistency
		if (!TypeUtils.isAssignable(value.getClass(), definition.getType())) {
			throw new ViewConfigurationException("Value type " + value.getClass().getName()
					+ " doesn't match view parameter type " + definition.getType().getName());
		}
	}
	return value;
}
 

import com.holonplatform.core.internal.utils.ConversionUtils; //导入依赖的package包/类
@Override
public MODEL convertToModel(PRESENTATION value, Class<? extends MODEL> targetType, Locale locale)
		throws ConversionException {
	if (value != null) {
		return ConversionUtils.convertNumberToTargetClass(value, targetType);
	}
	return null;
}
 

import com.holonplatform.core.internal.utils.ConversionUtils; //导入依赖的package包/类
@Override
public PRESENTATION convertToPresentation(MODEL value, Class<? extends PRESENTATION> targetType, Locale locale)
		throws ConversionException {
	if (value != null) {
		return ConversionUtils.convertNumberToTargetClass(value, targetType);
	}
	return null;
}
 

import com.holonplatform.core.internal.utils.ConversionUtils; //导入依赖的package包/类
@Override
public T convertToModel(String value, Class<? extends T> targetType, Locale locale)
		throws com.vaadin.data.util.converter.Converter.ConversionException {
	if (value != null && !value.trim().equals("")) {
		try {
			return ConversionUtils.convertNumberToTargetClass(getNumberFormat(locale).parse(value.trim()),
					numberType);
		} catch (Exception e) {
			throw new ConversionException("Could not convert '" + value + "' to " + getModelType().getName(), e);
		}
	}
	return null;
}
 

import com.holonplatform.core.internal.utils.ConversionUtils; //导入依赖的package包/类
@Test
public void testStream() throws IOException {

	final RestClient client = RestClient.create(JaxrsRestClient.class.getName()).defaultTarget(getBaseUri());

	@SuppressWarnings("resource")
	InputStream s = client.request().path("test").path("stream").getForStream();
	assertNotNull(s);

	byte[] bytes = ConversionUtils.convertInputStreamToBytes(s);
	assertNotNull(s);
	Assert.assertTrue(Arrays.equals(new byte[] { 1, 2, 3 }, bytes));
}
 

import com.holonplatform.core.internal.utils.ConversionUtils; //导入依赖的package包/类
/**
 * Setup query named parameters
 * @param query Query
 * @param context Resolution context
 */
public static void setupQueryParameters(Query query, JpaResolutionContext context) {
	context.getNamedParameters().forEach((n, p) -> {

		// date and times
		if (TypeUtils.isDate(p.getType())) {
			query.setParameter(n, (Date) p.getValue(),
					JpaDatastoreUtils.convert(p.getTemporalType().orElse(TemporalType.DATE)));
		} else if (TypeUtils.isCalendar(p.getType())) {
			query.setParameter(n, (Calendar) p.getValue(),
					JpaDatastoreUtils.convert(p.getTemporalType().orElse(TemporalType.DATE)));
		} else if (TypeUtils.isLocalTemporal(p.getType())) {
			if (LocalDate.class.isAssignableFrom(p.getType())) {
				query.setParameter(n, ConversionUtils.fromLocalDate((LocalDate) p.getValue()),
						JpaDatastoreUtils.convert(TemporalType.DATE));
			} else if (LocalTime.class.isAssignableFrom(p.getType())) {
				query.setParameter(n, fromLocalTime((LocalTime) p.getValue()),
						JpaDatastoreUtils.convert(TemporalType.TIME));
			} else if (LocalDateTime.class.isAssignableFrom(p.getType())) {
				query.setParameter(n, ConversionUtils.fromLocalDateTime((LocalDateTime) p.getValue()),
						JpaDatastoreUtils.convert(TemporalType.DATE_TIME));
			}
		} else {
			// default
			query.setParameter(n, p.getValue());
		}

	});
}
 

import com.holonplatform.core.internal.utils.ConversionUtils; //导入依赖的package包/类
/**
 * Process a query result and apply conversions if required.
 * @param type Expected result type
 * @param result Result value
 * @return Processed result
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
protected Object processQueryResult(Class type, Object result) {
	if (type != null && result != null) {
		if (TypeUtils.isNumber(type) && TypeUtils.isNumber(result.getClass())) {
			return ConversionUtils.convertNumberToTargetClass((Number) result, type);
		}
	}
	return result;
}
 

import com.holonplatform.core.internal.utils.ConversionUtils; //导入依赖的package包/类
@Test
public void testStream() throws IOException {

	final RestClient client = SpringRestClient.create(restTemplate).defaultTarget(getBaseUri());

	@SuppressWarnings("resource")
	InputStream s = client.request().path("test").path("stream").getForStream();
	assertNotNull(s);

	byte[] bytes = ConversionUtils.convertInputStreamToBytes(s);
	assertNotNull(s);
	Assert.assertTrue(Arrays.equals(new byte[] { 1, 2, 3 }, bytes));
}
 

import com.holonplatform.core.internal.utils.ConversionUtils; //导入依赖的package包/类
/**
 * Read a public key from given stream
 * @param algorithm Algorithm to use (for example RSA)
 * @param is Key input stream
 * @return PublicKey
 * @throws SecurityException Error reading key
 */
public static PublicKey readPublicKeyFromStream(String algorithm, InputStream is) throws SecurityException {
	if (is == null) {
		throw new IllegalArgumentException("Null InputStream");
	}
	try {
		return readPublicKey(algorithm, ConversionUtils.convertInputStreamToBytes(is));
	} catch (IOException e) {
		throw new SecurityException(e);
	}
}
 

import com.holonplatform.core.internal.utils.ConversionUtils; //导入依赖的package包/类
/**
 * Read a private key from given stream in PKCS8 format
 * @param algorithm Algorithm to use (for example RSA)
 * @param is Key input stream
 * @return PrivateKey
 * @throws SecurityException Error reading key
 */
public static PrivateKey readPrivateKeyFromStream(String algorithm, InputStream is) throws SecurityException {
	if (is == null) {
		throw new IllegalArgumentException("Null InputStream");
	}
	try {
		return readPrivateKey(algorithm, ConversionUtils.convertInputStreamToBytes(is));
	} catch (IOException e) {
		throw new SecurityException(e);
	}
}
 

import com.holonplatform.core.internal.utils.ConversionUtils; //导入依赖的package包/类
@Test
public void testUPToken() {

	AuthenticationToken token = AuthenticationToken.accountCredentials("usr", "pwd");
	assertEquals("usr", token.getPrincipal());
	assertTrue(Arrays.equals(ConversionUtils.toBytes("pwd"), (byte[]) token.getCredentials()));

}
 

import com.holonplatform.core.internal.utils.ConversionUtils; //导入依赖的package包/类
@Test
public void testCredentialsEncoder() throws UnsupportedEncodingException {

	TestUtils.expectedException(IllegalStateException.class, new Runnable() {

		@Override
		public void run() {
			Credentials.encoder().build();
		}
	});

	final String secret = "test";
	final byte[] secretBytes = ConversionUtils.toBytes(secret);

	byte[] bytes = Credentials.encoder().secret(secret).build();
	assertTrue(Arrays.equals(secretBytes, bytes));

	String sb = Credentials.encoder().secret(secret).buildAndEncodeBase64();
	assertEquals(Base64.getEncoder().encodeToString(secret.getBytes("UTF-8")), sb);

	bytes = Credentials.encoder().secret(secret).hashMD5().build();
	assertNotNull(bytes);
	bytes = Credentials.encoder().secret(secret).hashSHA1().build();
	assertNotNull(bytes);
	bytes = Credentials.encoder().secret(secret).hashSHA256().build();
	assertNotNull(bytes);
	bytes = Credentials.encoder().secret(secret).hashSHA384().build();
	assertNotNull(bytes);
	bytes = Credentials.encoder().secret(secret).hashSHA512().charset("UTF-8").build();
	assertNotNull(bytes);

	TestUtils.expectedException(RuntimeException.class, new Runnable() {

		@Override
		public void run() {
			Credentials.encoder().secret("test").hashAlgorithm("xxx").build();
		}
	});

}