Example usage for org.apache.commons.collections15 ExtendedMapUtils isEmpty

Introduction

In this page you can find the example usage for org.apache.commons.collections15 ExtendedMapUtils isEmpty.

Prototype

public static final boolean isEmpty(Map<?, ?> map) 

Source Link

Usage

From source file:org.apache.sshd.SshServerDevelopment.java

protected static final void testAuthorizedPublicKeysAuthenticator(BufferedReader in, PrintStream out,
        SshServer sshd) throws Exception {
    /*//from   w w  w .  ja  va2  s.  co m
    {
    URL url=ANCHOR.getResource(ANCHOR.getSimpleName() + "-authorized_keys");
    assertNotNull("Cannot find authorized keys resource", url);
    Collection<CryptoKeyEntry>  entries=CryptoKeyEntry.readAuthorizedKeys(url);
    server.setPublickeyAuthenticator(PublickeyAuthenticatorUtils.authorizedKeysAuthenticator(entries));
    }
    */

    final CommandFactory cmdFactory = new CommandFactory() {
        @Override
        public Command createCommand(final String command) {
            return new AbstractCommand(command) {
                @Override
                public void start(Environment env) throws IOException {
                    Map<String, String> values = env.getEnv();
                    if (ExtendedMapUtils.isEmpty(values)) {
                        logger.warn("start(" + command + ") no environment");
                    } else {
                        for (Map.Entry<String, String> e : values.entrySet()) {
                            logger.info("start(" + command + ")[" + e.getKey() + "]: " + e.getValue());
                        }
                    }

                    try {
                        Writer err = new CloseShieldWriter(new OutputStreamWriter(getErrorStream()));
                        try {
                            err.append(command).append(": N/A").append(SystemUtils.LINE_SEPARATOR);
                        } finally {
                            err.close();
                        }
                    } finally {
                        ExitCallback cbExit = getExitCallback();
                        cbExit.onExit(-1, "Failed");
                    }
                }
            };
        }
    };
    sshd.setCommandFactory(cmdFactory);
    sshd.setShellFactory(ECHO_SHELL);
    waitForExit(in, out, sshd);
}

---

From source file:org.springframework.jdbc.repo.impl.AbstractRawPropertiesRepoImpl.java

@Override
public E getEntity(String id, Transformer<Map<String, ?>, ? extends E> transformer) {
    if (transformer == null) {
        throw new IllegalArgumentException("getEntity(" + id + ") no transformer");
    }/*from www .ja  v a  2s .  c  o m*/

    Map<String, Serializable> props = getProperties(id);
    if (ExtendedMapUtils.isEmpty(props)) {
        return null;
    } else {
        return transformer.transform(props);
    }
}

---

From source file:org.springframework.jdbc.repo.impl.AbstractRawPropertiesRepoImpl.java

@Override
public E removeEntity(String id, Transformer<Map<String, ?>, ? extends E> transformer) {
    if (transformer == null) {
        throw new IllegalArgumentException("removeEntity(" + id + ") no transformer");
    }/* w  w w  .  ja  va 2 s  .c o  m*/

    Map<String, Serializable> props = removeProperties(id);
    if (ExtendedMapUtils.isEmpty(props)) {
        return null;
    } else {
        return transformer.transform(props);
    }
}

---

From source file:org.springframework.jdbc.repo.impl.jdbc.RawPropertiesRepoImpl.java

@Override
public Map<String, Serializable> removeProperties(String id) {
    Pair<?, Map<String, Serializable>> propVals = resolveProperties(id);
    Object internalId = (propVals == null) ? null : propVals.getLeft();
    if (internalId == null) {
        return null;
    }//from  w w w  .  j a va 2s  .co m

    removeOwnerProperties(id, internalId);

    int nRows = jdbcAccessor.update(
            "DELETE FROM " + IDENTIFIED_ENTITIES_TABLE + " WHERE " + INTERNAL_ID_COL + " = :" + INTERNAL_ID_COL,
            Collections.singletonMap(INTERNAL_ID_COL, internalId));
    if (nRows > 1) {
        logger.warn("removeProperties(" + getEntityClass().getSimpleName() + ")[" + id
                + "] unexpected rows count (" + nRows + ") for internal ID=" + internalId);
    }

    Map<String, Serializable> props = propVals.getRight();
    if (ExtendedMapUtils.isEmpty(props)) {
        if (logger.isDebugEnabled()) {
            logger.debug(
                    "removeProperties(" + getEntityClass().getSimpleName() + ")[" + id + "] no properties");
        }
        return null;
    }

    if (logger.isDebugEnabled()) {
        logger.debug("removeProperties(" + getEntityClass().getSimpleName() + ")[" + id + "] properties count: "
                + props.size());
    }

    return props;
}

---

From source file:org.springframework.jdbc.repo.impl.jdbc.RawPropertiesRepoImpl.java

@Override
@SuppressWarnings("synthetic-access")
public void setProperties(final String id, final Map<String, ?> props) {
    if (StringUtils.isEmpty(id)) {
        throw new IllegalArgumentException(
                "setProperties(" + getEntityClass().getSimpleName() + ") no identifier");
    }// w w w .j a  v  a 2  s  . c o m

    if (ExtendedMapUtils.isEmpty(props)) {
        throw new IllegalArgumentException(
                "setProperties(" + getEntityClass().getSimpleName() + ")[" + id + "] no properties");
    }

    validatePropertyValues(id, props);

    Object internalId = findInternalId(id);
    if (internalId == null) {
        internalId = createEntityEntry(id);
    }

    removeEntityProperties(id);

    Class<?> idType = internalId.getClass();
    InternalIdSetter idSetter = InternalIdSetter.SETTERS_MAP.get(idType);
    if (idSetter == null) {
        throw new UnsupportedOperationException("setProperties(" + getEntityClass().getSimpleName() + ")[" + id
                + "]" + " no identifier setter for type " + idType.getSimpleName());
    }

    @SuppressWarnings("unchecked")
    Map<String, Object>[] batchValues = new Map[props.size()];
    int batchIndex = 0;
    final Object assignedId = internalId;
    for (Map.Entry<String, ?> pe : props.entrySet()) {
        final String propName = pe.getKey();
        Object orgValue = pe.getValue();
        final Class<?> propType = JdbcOperationsUtils.resolveEffectivePropertyType(orgValue);
        final Object propValue = JdbcOperationsUtils.resolveEffectivePropertyValue(orgValue);
        batchValues[batchIndex] = new TreeMap<String, Object>(String.CASE_INSENSITIVE_ORDER) {
            private static final long serialVersionUID = 1L;

            {
                if (!conversionService.canConvert(propType, String.class)) {
                    throw new UnsupportedOperationException(
                            "setProperties(" + id + ")" + " cannot convert " + propName + "["
                                    + propType.getSimpleName() + "]" + " to string for value=" + propValue);
                }

                put(PROP_OWNER_COL, assignedId);
                put(PROP_NAME_COL, propName);
                put(PROP_TYPE_COL, propType.getName());
                put(PROP_VALUE_COL, conversionService.convert(propValue, String.class));
            }
        };
        batchIndex++;
    }

    try {
        int[] changeSet = jdbcAccessor.batchUpdate(
                "INSERT INTO " + ENTITY_PROPERTIES_TABLE + " (" + PROP_OWNER_COL + "," + PROP_NAME_COL + ","
                        + PROP_TYPE_COL + "," + PROP_VALUE_COL + ")" + " VALUES(:" + PROP_OWNER_COL + ",:"
                        + PROP_NAME_COL + ",:" + PROP_TYPE_COL + ",:" + PROP_VALUE_COL + ")",
                batchValues);
        if (logger.isDebugEnabled()) {
            logger.debug("setProperties(" + getEntityClass().getSimpleName() + ")[" + id + "] batch size="
                    + ExtendedArrayUtils.length(changeSet));
        }
    } catch (RuntimeException e) {
        logger.warn("setProperties(" + getEntityClass().getSimpleName() + ")[" + id + "]" + " failed ("
                + e.getClass().getSimpleName() + ") to insert props=" + props + ": " + e.getMessage());
        throw e;
    }
}

---

From source file:org.springframework.jdbc.repo.impl.jdbc.RawPropertiesRepoImpl.java

void validatePropertyValues(String id, Map<String, ?> props) {
    if (ExtendedMapUtils.isEmpty(props)) {
        return;//from ww  w . jav  a 2 s .  c o m
    }

    final String vid = getEntityClass().getSimpleName() + "[" + id + "]";
    for (Map.Entry<String, ?> pe : props.entrySet()) {
        JdbcOperationsUtils.validatePropertyValue(vid, pe.getKey(), pe.getValue(), conversionService);
    }
}

---

From source file:org.springframework.jdbc.repo.impl.jdbc.RawPropertiesRepoImpl.java

@Override
protected <R> List<R> removeAll(Class<R> elementType,
        Transformer<Pair<String, Map<String, ?>>, ? extends R> transformer, Collection<String> ids) {
    Assert.notNull(elementType, "No removal result element type specified");
    if (ExtendedCollectionUtils.isEmpty(ids)) {
        return Collections.emptyList();
    }/*from   www.j  a v a  2  s .  c om*/

    List<R> result = new ArrayList<>(ids.size());
    for (String id : ids) {
        Map<String, ?> props = removeProperties(id);
        if (ExtendedMapUtils.isEmpty(props)) {
            continue;
        }

        R element = transformer.transform(Pair.<String, Map<String, ?>>of(id, props));
        if (element == null) {
            continue;
        }

        result.add(element);
    }

    return result;
}

---

From source file:org.springframework.jdbc.repo.impl.RawPropertiesPolymorphicIdentifiedEntityRepoImpl.java

@Override
public E findEntityById(String id) {
    Map<String, ?> props = repo.getProperties(id);
    if (ExtendedMapUtils.isEmpty(props)) {
        return null;
    }//from  w ww  . ja v a2s  .  c  o  m

    Object clazzType = props.get(CLASS_PROP_NAME);
    if (!(clazzType instanceof Class)) {
        throw new IllegalStateException("findEntityById(" + id + ") no effective class");
    }

    Transformer<Map<String, ?>, E> transformer = getPropertiesTransformer((Class<?>) clazzType);
    if (transformer == null) {
        throw new IllegalStateException("findEntityById(" + id + ") no properties transformer");
    }

    return transformer.transform(props);
}

---

From source file:org.springframework.jdbc.repo.impl.RawPropertiesPolymorphicIdentifiedEntityRepoImpl.java

protected Pair<Transformer<Map<String, ?>, E>, Transformer<E, ? extends Map<String, ?>>> getEntityTransformers(
        final Class<?> eClass) {

    /*/*from   w  ww.j a  v  a2 s  . c o  m*/
     * NOTE: there might be a "race condition" but we don't care since
     * result is the same either way
     */
    Pair<Transformer<Map<String, ?>, E>, Transformer<E, ? extends Map<String, ?>>> pair;
    synchronized (transformersMap) {
        if ((pair = transformersMap.get(eClass)) != null) {
            return pair;
        }
    }

    Map<String, Pair<Method, Method>> entityAttributes = ExtendedBeanUtils
            .removeNonModifiableAttributes(ExtendedBeanUtils.describeBean(eClass, false, true));
    @SuppressWarnings("unchecked")
    final Transformer<Map<String, ?>, E> pureEntityTransformer = ExtendedBeanUtils.propertiesToBeanTransformer(
            ExtendedConstructorUtils.newInstanceFactory((Class<E>) eClass), entityAttributes);
    Transformer<Map<String, ?>, E> props2entityTransformer = new Transformer<Map<String, ?>, E>() {
        @Override
        public E transform(Map<String, ?> beanProps) {
            Object value = beanProps.remove(CLASS_PROP_NAME);
            if (value == null) {
                throw new IllegalStateException(
                        "transform(" + eClass.getSimpleName() + ") missing reserved type property");
            }

            return pureEntityTransformer.transform(beanProps);
        }
    };

    @SuppressWarnings("unchecked")
    final Transformer<E, ? extends Map<String, ?>> purePropsTransformer = ExtendedBeanUtils
            .beanToPropertiesTransformer((Class<E>) eClass, entityAttributes);
    Transformer<E, Map<String, ?>> entity2propsTransfomer = new Transformer<E, Map<String, ?>>() {
        @SuppressWarnings({ "unchecked", "rawtypes" })
        @Override
        public Map<String, ?> transform(E input) {
            Map<String, ?> beanProps = purePropsTransformer.transform(input);
            if (ExtendedMapUtils.isEmpty(beanProps)) {
                return beanProps;
            }

            Object value = beanProps.get(CLASS_PROP_NAME);
            if (value != null) {
                throw new IllegalStateException(
                        "transform(" + input.getClass().getSimpleName() + ") reserved property used: " + value);
            }
            ((Map) beanProps).put(CLASS_PROP_NAME, eClass);
            return beanProps;
        }
    };

    pair = Pair.<Transformer<Map<String, ?>, E>, Transformer<E, ? extends Map<String, ?>>>of(
            props2entityTransformer, entity2propsTransfomer);
    synchronized (transformersMap) {
        transformersMap.put(eClass, pair);
    }

    logger.info("getEntityTransformers(" + eClass.getSimpleName() + ") created transformers");
    return pair;
}

---

From source file:org.springframework.util.ExtendedPlaceholderResolverUtils.java

public static final NamedExtendedPlaceholderResolver toPlaceholderResolver(final Properties props) {
    if (ExtendedMapUtils.isEmpty(props)) {
        return EMPTY_RESOLVER;
    } else {// ww  w .  ja  v  a 2  s.  com

        return new NamedExtendedPlaceholderResolver() {
            @Override
            public Collection<String> getPlaceholderNames() {
                return ExtendedCollectionUtils.collectToList(props.keySet(),
                        ExtendedStringUtils.SAFE_TOSTRING_XFORMER);
            }

            @Override
            public String resolvePlaceholder(String placeholderName) {
                return props.getProperty(placeholderName);
            }

            @Override
            public String resolvePlaceholder(String placeholderName, String defaultValue) {
                return props.getProperty(placeholderName, defaultValue);
            }
        };
    }
}

---

• «
• 1
• 2
• »