Example usage for java.lang.reflect Method getReturnType

Introduction

In this page you can find the example usage for java.lang.reflect Method getReturnType.

Prototype

public Class<?> getReturnType()

Source Link

Document

Returns a Class object that represents the formal return type of the method represented by this Method object.

Usage

From source file:com.glaf.core.util.ReflectUtils.java

/**
 * get method desc. "(I)I", "()V", "(Ljava/lang/String;Z)V"
 * /*from   w w  w .  java2s .  c o m*/
 * @param m
 *            method.
 * @return desc.
 */
public static String getDescWithoutMethodName(Method m) {
    StringBuilder ret = new StringBuilder();
    ret.append('(');
    Class<?>[] parameterTypes = m.getParameterTypes();
    for (int i = 0; i < parameterTypes.length; i++)
        ret.append(getDesc(parameterTypes[i]));
    ret.append(')').append(getDesc(m.getReturnType()));
    return ret.toString();
}

From source file:com.glaf.core.util.ReflectUtils.java

/**
 * get method desc. int do(int arg1) => "do(I)I" void do(String arg1,boolean
 * arg2) => "do(Ljava/lang/String;Z)V"
 * //www.ja va2s .c o m
 * @param m
 *            method.
 * @return desc.
 */
public static String getDesc(final Method m) {
    StringBuilder ret = new StringBuilder(m.getName()).append('(');
    Class<?>[] parameterTypes = m.getParameterTypes();
    for (int i = 0; i < parameterTypes.length; i++)
        ret.append(getDesc(parameterTypes[i]));
    ret.append(')').append(getDesc(m.getReturnType()));
    return ret.toString();
}

From source file:de.vandermeer.asciiparagraph.AsciiParagraph.java

/**
  * Adds text to the paragraph.//from  w  w w .j  av  a 2s  .  c o m
  * The method uses reflection to look for a method render without any parameters.
  * If found, the result of this method will be used as text.
  * Otherwise the object's toString method is used. 
  * @param text text to be added to the paragraph
  * @return self to allow chaining
  * throws NullPointerException if the argument was null
  * throws IllegalArgumentException if the argument was blank
  */
 public AsciiParagraph addText(Object text) {
     Validate.notNull(text);

     if (text instanceof String) {
         return this.addText((String) text);
     }

     try {
         Class<? extends Object> clazz = text.getClass();
         Method method = clazz.getMethod("render", new Class[0]);
         Class<?> returnType = method.getReturnType();
         if (returnType.isAssignableFrom(String.class)) {
             String append = (String) method.invoke(text);
             return this.addText(append);
         }
     } catch (Exception ignore) {
         //         ignore.printStackTrace();
     }

     return this.addText(text.toString());
 }

From source file:org.jsonschema2pojo.integration.MediaIT.java

@Test
public void shouldCreateStringSetterWithoutEncoding() throws SecurityException, NoSuchMethodException {
    Method setter = classWithMediaProperties.getDeclaredMethod("setUnencoded", String.class);

    assertThat("unencoded setter has return type void", setter.getReturnType(), equalToType(Void.TYPE));
}

From source file:net.firejack.platform.core.validation.MatchProcessor.java

@Override
public List<ValidationMessage> validate(Method readMethod, String property, Object value, ValidationMode mode)
        throws RuleValidationException {
    Match matchAnnotation = readMethod.getAnnotation(Match.class);
    if (matchAnnotation != null && StringUtils.isNotBlank(matchAnnotation.expression())) {
        Class<?> returnType = readMethod.getReturnType();
        if (returnType == String.class) {
            Pattern pattern = getCachedPatterns().get(matchAnnotation.expression());
            if (pattern == null) {
                try {
                    pattern = Pattern.compile(matchAnnotation.expression());
                    getCachedPatterns().put(matchAnnotation.expression(), pattern);
                } catch (PatternSyntaxException e) {
                    logger.error(e.getMessage(), e);
                    throw new ImproperValidationArgumentException(
                            "Pattern expression should have correct syntax.");
                }/*from w  w  w. jav a  2 s  .  c om*/
            }
            List<ValidationMessage> messages = null;
            if (value != null) {
                String sValue = (String) value;
                if (StringUtils.isNotBlank(sValue) && !pattern.matcher(sValue).matches()) {
                    messages = new ArrayList<ValidationMessage>();
                    messages.add(new ValidationMessage(property, matchAnnotation.msgKey(),
                            matchAnnotation.parameterName()));
                }
            }
            return messages;
        }

    }
    return null;
}

From source file:org.jsonschema2pojo.integration.MediaIT.java

@Test
public void shouldCreateByteArrayGetter() throws SecurityException, NoSuchMethodException {
    Method getter = classWithMediaProperties.getDeclaredMethod("getMinimalBinary");

    assertThat("the minimal binary getter has return type byte[]", getter.getReturnType(),
            equalToType(BYTE_ARRAY));//from ww  w.  j ava  2 s  .  c  o m
}

From source file:net.sf.jasperreports.export.PropertiesDefaultsConfigurationFactory.java

/**
 * //from   w  w  w. j av a 2  s. com
 */
protected Object getPropertyValue(Method method) {
    Object value = null;
    ExporterProperty exporterProperty = method.getAnnotation(ExporterProperty.class);
    if (exporterProperty != null) {
        value = getPropertyValue(jasperReportsContext, exporterProperty, method.getReturnType());
    }
    return value;
}

From source file:com.snaplogic.snaps.uniteller.BaseService.java

/**
 * @param UFSResponseObj//from w w  w . ja v a 2  s  .c  o m
 * @return Map
 * @throws IllegalAccessException
 * @throws IllegalArgumentException
 * @throws InvocationTargetException
 */
public Map<String, Object> processResponseObj(Object UFSResponseObj)
        throws IllegalAccessException, IllegalArgumentException, InvocationTargetException {
    Map<String, Object> map = new HashMap<String, Object>();
    /* Preparing the map to write the values to output */
    if (UFSResponseObj != null) {
        Class<? extends Object> UFSResponse = UFSResponseObj.getClass();
        for (Method method : findGetters(UFSResponse)) {
            if (method.getReturnType().isPrimitive() || method.getReturnType().isAssignableFrom(String.class)
                    || method.getReturnType().isAssignableFrom(Calendar.class)) {
                map.put(method.getName().substring(3), method.invoke(UFSResponseObj));
            } else {
                log.debug(method.toGenericString());
                map.put(method.getName().substring(3), processNestedResponseObj(method.invoke(UFSResponseObj)));
            }
        }
    }
    return map;
}

From source file:org.jsonschema2pojo.integration.MediaIT.java

@Test
public void shouldCreateByteArrayGetterWithAnyEncoding() throws SecurityException, NoSuchMethodException {
    Method getter = classWithMediaProperties.getDeclaredMethod("getAnyBinaryEncoding");

    assertThat("any binary encoding getter has return type byte[]", getter.getReturnType(),
            equalToType(BYTE_ARRAY));/*from ww  w  .  j ava 2 s.c om*/
}

From source file:org.jsonschema2pojo.integration.MediaIT.java

@Test
public void shouldCreateByteArraySetter() throws SecurityException, NoSuchMethodException {
    Method setter = classWithMediaProperties.getDeclaredMethod("setMinimalBinary", BYTE_ARRAY);

    assertThat("the minimal binary setter has return type void", setter.getReturnType(),
            equalToType(Void.TYPE));
}