Java ArrayUtils.isEmpty方法代码示例

import org.apache.commons.lang.ArrayUtils; //导入方法依赖的package包/类
/**
 * 判断指定版本的指定的bean是否需要刷新
 *
 * @param versionPropertySource
 * @param beanName
 * @param dependencyFactory
 * @return
 */
private boolean shouldRefresh(VersionPropertySource<?> versionPropertySource, String beanName,
                              RefreshBeanDependencyFactory dependencyFactory) {

    // 这个版本的属性未变化，不用刷新任何Bean
    if (versionPropertySource == null) {
        return false;
    }

    // 这个版本变化的属性名
    String[] changedPropertyNames = versionPropertySource.getPropertyNames();
    if (ArrayUtils.isEmpty(changedPropertyNames)) {
        return false;
    }

    String[] dependentPropertyNames = dependencyFactory.getDependentPropertyNames(beanName);

    for (String propertyName : changedPropertyNames) {
        for (String dependentPropertyName : dependentPropertyNames) {
            if (Pattern.matches(dependentPropertyName, propertyName)) {
                return true;
            }
        }
    }
    return false;
}
 

import org.apache.commons.lang.ArrayUtils; //导入方法依赖的package包/类
private void getVirtualFile(String sourceName, VirtualFile virtualFile[], String compileRoot)
        throws Exception {
    if (!ArrayUtils.isEmpty(virtualFile)) {
        VirtualFile arr$[] = virtualFile;
        int len$ = arr$.length;
        for (int i$ = 0; i$ < len$; i$++) {
            VirtualFile vf = arr$[i$];
            String srcName;
            if (StringUtils.indexOf(vf.toString(), "$") != -1)
                srcName = StringUtils.substring(vf.toString(), StringUtils.lastIndexOf(vf.toString(), "/") + 1, StringUtils.indexOf(vf.toString(), "$"));
            else
                srcName = StringUtils.substring(vf.toString(), StringUtils.lastIndexOf(vf.toString(), "/") + 1, StringUtils.length(vf.toString()) - 6);
            String dstName = StringUtils.substring(sourceName, 0, StringUtils.length(sourceName) - 5);
            if (StringUtils.equals(srcName, dstName)) {
                String outRoot = (new StringBuilder()).append(StringUtils.substring(compileRoot, 0, StringUtils.lastIndexOf(compileRoot, "/"))).append("/out").toString();
                String packagePath = StringUtils.substring(vf.getPath(), StringUtils.length(compileRoot), StringUtils.length(vf.getPath()));
                File s = new File(vf.getPath());
                File t = new File((new StringBuilder()).append(outRoot).append(packagePath).toString());
                FileUtil.copy(s, t);
            }
            if (!ArrayUtils.isEmpty(virtualFile))
                getVirtualFile(sourceName, vf.getChildren(), compileRoot);
        }

    }
}
 

import org.apache.commons.lang.ArrayUtils; //导入方法依赖的package包/类
private JWTToken generateToken(Map<String, Object> claims, Date notBefore) {

        byte[] secret = DEFAULT_JWT_SECRET;

        if (!ArrayUtils.isEmpty(this.jwtSecret)) {
            secret = this.jwtSecret;
        }

        int sessionExpireMinutes = DEFAULT_JWT_SESSION_TIMEOUT_MINUTE;

        if (NumberUtils.isDigits(this.jwtTimeOut)) {
            sessionExpireMinutes = Integer.parseInt(this.jwtTimeOut);
        }

        LocalDateTime expiration = LocalDateTime.now().plusMinutes(sessionExpireMinutes);

        return new JWTToken(Jwts.builder()
                .setClaims(claims)
                .setNotBefore(notBefore)
                .setExpiration(Date.from(expiration.atZone(ZoneId.systemDefault()).toInstant()))
                .signWith(SignatureAlgorithm.HS512, secret)
                .compact());
    }
 

import org.apache.commons.lang.ArrayUtils; //导入方法依赖的package包/类
public static void registerDependency(BeanDefinitionRegistry registry, String beanName, String[] propertyNames) {
    if (ArrayUtils.isEmpty(propertyNames)) {
        return;
    }
    String dependencyBeanName = beanName + ".dependency";
    BeanDefinitionBuilder meta = BeanDefinitionBuilder.genericBeanDefinition(RefreshBeanDependencyFactoryBean.class);
    meta.addPropertyValue("beanName", beanName);
    meta.addPropertyValue("propertyNames", propertyNames);
    registry.registerBeanDefinition(dependencyBeanName, meta.getBeanDefinition());
}
 

import org.apache.commons.lang.ArrayUtils; //导入方法依赖的package包/类
@Override
public Object proceed() throws Exception {
    Class<?>[] parameterTypes = getMethodSignature().getParameterTypes();
    if (!ArrayUtils.isEmpty(parameterTypes)) {
        throw new IllegalStateException("Call proceed without parameters on method '"
                                            + getMethodSignature().getName()
                                            + "' with arguments for LEP resource key:"
                                            + compositeResourceKey);
    }

    return invoke();
}
 

import org.apache.commons.lang.ArrayUtils; //导入方法依赖的package包/类
/**
 * Gets the secret password stored in keystore under given alias.
 * @param alias
 * @param entryPassword entry password to access the secret password stored in keystore
 * @return the secret password or null if secret password does not exists in keystore
 * @throws KeyStoreProviderException
 */
public String getPassword(String alias, String entryPassword) throws KeyStoreProviderException {
    try {
        LOG.info(String.format("Getting password with alias %s from keystore ...", alias));

        SecretKeyFactory factory = SecretKeyFactory.getInstance(SECRET_KEY_PASSWORD_ALGORITHM);

        Optional<KeyStore.SecretKeyEntry> ske = Optional.fromNullable((KeyStore.SecretKeyEntry) this.keystore.getEntry(alias, new KeyStore.PasswordProtection(entryPassword.toCharArray())));

        if(!ske.isPresent()) {
            return null;
        }

        PBEKeySpec keySpec = (PBEKeySpec)factory.getKeySpec(ske.get().getSecretKey(),PBEKeySpec.class);
        char[] password = keySpec.getPassword();

        if(ArrayUtils.isEmpty(password)) {
            throw new KeyStoreProviderException("Recovered password is blank.");
        }

        return new String(password);
    } catch (NoSuchAlgorithmException nsae) {
        throw new KeyStoreProviderException("Algorithm used to create PBE secret cannot be found.", nsae);
    } catch (UnrecoverableEntryException uee) {
        throw new KeyStoreProviderException("Invalid entry password to recover secret.", uee);
    } catch (KeyStoreException kse) {
        throw new KeyStoreProviderException("Failed to get PBE secret to keystore.", kse);
    } catch (InvalidKeySpecException ikse) {
        throw new KeyStoreProviderException("Failed to get key spec from PBE secret.", ikse);
    } catch (Exception e) {
        throw new KeyStoreProviderException("Failed to get PBE secret.", e);
    }
}
 

import org.apache.commons.lang.ArrayUtils; //导入方法依赖的package包/类
/**
 * removes a KalturaMetadata object for a Kaltura object id
 * 
 * @param metadatProfileName METADATA_PROFILE_NAME_ENTRY or METADATA_PROFILE_NAME_PLAYLIST 
 *          depending on the type of objects the ids are for, Defaults to Entry
 * @param objectId the id of the Kaltura object
 * @return true if deletion successful, false if not
 * @throws IllegalArgumentException if object id is invalid
 * @throws RuntimeException if error getting metadata
 */
private boolean deleteMetadataObjectsForKalturaObjectIds(String metadatProfileName, String... objectIds) {
    if (ArrayUtils.isEmpty(objectIds)) {
        throw new IllegalArgumentException("object ids must be set");
    }
    if (log.isDebugEnabled()) log.debug("deleteMetadataObjectForKalturaObjectId(objectIds="+StringUtils.join(objectIds, ",")+")");
    boolean deleted = false;
    KalturaClient kc = getKalturaClient(KS_PERM_ADMIN);
    KalturaMetadataService kms = new KalturaMetadataService(kc);
    KalturaMetadataFilter filter = new KalturaMetadataFilter();
    int metadataProfileId = entryMetadataProfile != null ? entryMetadataProfile.id : -1;
    if (METADATA_PROFILE_NAME_PLAYLIST.equals(metadatProfileName) || metadataProfileId < 0) {
        metadataProfileId = playlistMetadataProfile != null ? playlistMetadataProfile.id : -1;
    }
    if (metadataProfileId < 0) {
        log.warn("getMetadataObjectsForKalturaObjectIds Unable to filter metadata by the metadata profile ("+metadatProfileName+"), no ids can be found because the metadataProfile objects are null");
    } else {
        filter.metadataProfileIdEqual = metadataProfileId;
    }
    //filter.objectIdEqual = StringUtils.join(objectIds, ",");
    filter.objectIdIn = StringUtils.join(objectIds, ",");
    // NOTE: max of 500 so you may have to loop this
    if (objectIds.length > 500) {
        log.warn("Maximum metadata entries delete filter is 500 items, this filter is asking for "+objectIds.length+" items so only the first 500 will be returned");
    }
    KalturaFilterPager pager = new KalturaFilterPager();
    pager.pageSize = MAX_ENTRIES_PER_REQUEST; // max items returned is 30 without a pager
    try {
        ArrayList<KalturaMetadata> response = kms.list(filter, pager).objects;
        if (!response.isEmpty()) {
            for (KalturaMetadata r : response) {
                kms.delete(r.id);
            }
            deleted = true;
        }
    } catch (KalturaApiException e) {
        throw new RuntimeException("Error getting metadata object for kaltura objects (" + StringUtils.join(objectIds, ",") + ") :: " + e);
    }
    return deleted;
}
 

import org.apache.commons.lang.ArrayUtils; //导入方法依赖的package包/类
private void createAdmin() {
    if (StringUtils.isEmpty(adminUsername) && ArrayUtils.isEmpty(adminPassword) && StringUtils.isEmpty(adminEmail)) {
        return;
    }

    LOGGER.info("create admin user if exists");
    if (!service.exists(adminUsername)) {
        List<String> permissions = new ArrayList<>();
        permissions.add(Permission.PERSO_ACCOUNT);
        permissions.add(Permission.PERSO_SNIPPET);
        permissions.add(Permission.ADMIN);
        service.create(new UpdateUser(adminUsername, adminPassword, adminEmail), permissions);
    }
}
 

import org.apache.commons.lang.ArrayUtils; //导入方法依赖的package包/类
/**
* 自动匹配参数赋值到实体bean中
  */
 public static void toBean(Object bean, HttpServletRequest req){
     Class<?> clazz = bean.getClass();
     Method ms[] = clazz.getDeclaredMethods();
     String mname;
     String field;
     String fieldType;
     String value;
     for(Method m : ms){
         mname = m.getName();
         if(!mname.startsWith("set")
                 || ArrayUtils.isEmpty(m.getParameterTypes())){
             continue;
         }
         try{
             field = mname.toLowerCase().charAt(3) + mname.substring(4, mname.length());
             value = req.getParameter(field);
             if(LOG.isDebugEnabled()){
             	LOG.debug(field + " = " + value);
             }
             if(StringUtils.isEmpty(value)){
                 continue;
             }
             fieldType = m.getParameterTypes()[0].getName();
             //以下可以确认value为String类型
             if(String.class.getName().equals(fieldType)){
                 m.invoke(bean, (String)value);
             }else if((Byte.class.getName().equals(fieldType)||byte.class.getName().equals(fieldType)) && NumberUtils.isDigits((String)value)){
                 m.invoke(bean, Byte.valueOf((String)value));
             }else if((Integer.class.getName().equals(fieldType)||int.class.getName().equals(fieldType)) && NumberUtils.isDigits((String)value)){
                 m.invoke(bean, Integer.valueOf((String)value));
             }else if((Short.class.getName().equals(fieldType)||short.class.getName().equals(fieldType)) && NumberUtils.isDigits((String)value)){
                 m.invoke(bean, Short.valueOf((String)value));
             }else if((Long.class.getName().equals(fieldType)||long.class.getName().equals(fieldType)) && NumberUtils.isDigits((String)value)){
                 m.invoke(bean, Long.valueOf((String)value));
             }else if((Float.class.getName().equals(fieldType)||float.class.getName().equals(fieldType)) && NumberUtils.isNumber((String)value)){
                 m.invoke(bean, Float.valueOf((String)value));
             }else if((Double.class.getName().equals(fieldType)||double.class.getName().equals(fieldType)) && NumberUtils.isNumber((String)value)){
                 m.invoke(bean, Double.valueOf((String)value));
             }else if(BigDecimal.class.getName().equals(fieldType) && NumberUtils.isNumber((String)value)){
                 m.invoke(bean, new BigDecimal(value));
             }else if(Date.class.getName().equals(fieldType)){
             	String attach0 = "";
             	value = value.replaceAll("-", "").replaceAll(" ", "").replaceAll(":", "");
             	for(int i =0; i < (17 - value.length()); i++) {
             		attach0 += "0";
             	}
                 m.invoke(bean, DateUtil.toDate(value + attach0));
             }else{
                 m.invoke(bean, value);
             }
         }catch(Exception e){
             e.printStackTrace();
             continue;
         }
     }
 }
 

import org.apache.commons.lang.ArrayUtils; //导入方法依赖的package包/类
public byte[] filterGroups(HttpServletRequest request, byte[] content) {
	byte[] newContent = content;
	if (ArrayUtils.isEmpty(newContent)) {
		return newContent;
	}
	try {
		String method = request.getMethod();
		String uri = request.getRequestURI();
		String queryString = request.getQueryString();
		String path = uri + "?" + queryString;
		String url = AuthUtil.QUERY_GROUP_URI;
		if (AuthUtil.HTTP_GET.equalsIgnoreCase(method) && path.equalsIgnoreCase(url)) {
			String umContent = MessageGZIP.uncompressToString(newContent);
			

			User user = AuthUtil.THREAD_LOCAL_USER.get();
			if (user == null) {
				log.warn("AuthUtil.THREAD_LOCAL_USER.get()");
				return null;
			}

			JsonObject jsonObject = new JsonParser().parse(umContent)
					.getAsJsonObject();

			// 新的jsonArrayGroups
			JsonArray newJsonArrayGroups = new JsonArray();

			JsonArray jsonArrayGroups = jsonObject.getAsJsonArray("groups");
			
			log.info("jsonArrayGroups.size >>>>>{}", jsonArrayGroups.size());

			if (!jsonArrayGroups.isJsonNull()) {
				for (JsonElement jsonElement : jsonArrayGroups) {
					JsonObject jsonObjectGroup = jsonElement
							.getAsJsonObject();
					String id = jsonObjectGroup.get("id").getAsString();
					Permission permission = AuthUtil
							.getQueryPermission(user);
					log.info(" path >>>>>>  {} permission >>>> {}", id,permission);
					if (permission != null) {
						String queryPath = permission.getOn();
						// 判断分组查询权限
						if ("/".equals(queryPath) || queryPath.contains(id)) {
							newJsonArrayGroups.add(jsonElement);
						}
					}
				}
			}

			jsonObject.remove("groups");
			jsonObject.add("groups", newJsonArrayGroups);

			String newContentStr = jsonObject.toString();

			newContent = MessageGZIP.compressToByte(newContentStr);

			log.info("newJsonArrayGroups.size >>>>>{}", newJsonArrayGroups.size());

		}
	} catch (Exception e) {
		log.error(e.getMessage(), e);
	}

	return newContent;
}