org.springframework.core.io.Resource#isReadable

Source File: PathResourceResolver.java From spring4-understanding with Apache License 2.0

6 votes

/**
 * Find the resource under the given location.
 * <p>The default implementation checks if there is a readable
 * {@code Resource} for the given path relative to the location.
 * @param resourcePath the path to the resource
 * @param location the location to check
 * @return the resource, or {@code null} if none found
 */
protected Resource getResource(String resourcePath, Resource location) throws IOException {
	Resource resource = location.createRelative(resourcePath);
	if (resource.exists() && resource.isReadable()) {
		if (checkResource(resource, location)) {
			return resource;
		}
		else if (logger.isTraceEnabled()) {
			logger.trace("Resource path=\"" + resourcePath + "\" was successfully resolved " +
					"but resource=\"" +	resource.getURL() + "\" is neither under the " +
					"current location=\"" + location.getURL() + "\" nor under any of the " +
					"allowed locations=" + Arrays.asList(getAllowedLocations()));
		}
	}
	return null;
}

Source File: PathResourceResolver.java From lams with GNU General Public License v2.0

6 votes

/**
 * Find the resource under the given location.
 * <p>The default implementation checks if there is a readable
 * {@code Resource} for the given path relative to the location.
 * @param resourcePath the path to the resource
 * @param location the location to check
 * @return the resource, or {@code null} if none found
 */
protected Resource getResource(String resourcePath, Resource location) throws IOException {
	Resource resource = location.createRelative(resourcePath);
	if (resource.exists() && resource.isReadable()) {
		if (checkResource(resource, location)) {
			return resource;
		}
		else if (logger.isTraceEnabled()) {
			logger.trace("Resource path=\"" + resourcePath + "\" was successfully resolved " +
					"but resource=\"" +	resource.getURL() + "\" is neither under the " +
					"current location=\"" + location.getURL() + "\" nor under any of the " +
					"allowed locations=" + Arrays.asList(getAllowedLocations()));
		}
	}
	return null;
}

Source File: FileSystemStorageService.java From spring-guides with Apache License 2.0

6 votes

@Override
public Resource loadAsResource(String filename) {
    try {
        Path file = load(filename);
        Resource resource = new UrlResource(file.toUri());
        if (resource.exists() || resource.isReadable()) {
            return resource;
        }
        else {
            throw new StorageFileNotFoundException(
                    "Could not read file: " + filename);

        }
    }
    catch (MalformedURLException e) {
        throw new StorageFileNotFoundException("Could not read file: " + filename, e);
    }
}

Source File: FileSystemStorageService.java From code-examples with MIT License

6 votes

@Override
public Resource loadAsResource(String filename) {
    try {
        Path file = load(filename);
        Resource resource = new UrlResource(file.toUri());
        if (resource.exists() || resource.isReadable()) {
            return resource;
        }
        else {
            throw new FileNotFoundException(
                    "Could not read file: " + filename);
        }
    }
    catch (MalformedURLException e) {
        throw new FileNotFoundException("Could not read file: " + filename, e);
    }
}

Source File: AutoJsonRpcClientProxyCreator.java From jsonrpc4j with MIT License

6 votes

@Override
public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) {
	SimpleMetadataReaderFactory metadataReaderFactory = new SimpleMetadataReaderFactory(applicationContext);
	DefaultListableBeanFactory defaultListableBeanFactory = (DefaultListableBeanFactory) beanFactory;
	String resolvedPath = resolvePackageToScan();
	logger.debug("Scanning '{}' for JSON-RPC service interfaces.", resolvedPath);
	try {
		for (Resource resource : applicationContext.getResources(resolvedPath)) {
			if (resource.isReadable()) {
				MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(resource);
				ClassMetadata classMetadata = metadataReader.getClassMetadata();
				AnnotationMetadata annotationMetadata = metadataReader.getAnnotationMetadata();
				String jsonRpcPathAnnotation = JsonRpcService.class.getName();
				if (annotationMetadata.isAnnotated(jsonRpcPathAnnotation)) {
					String className = classMetadata.getClassName();
					String path = (String) annotationMetadata.getAnnotationAttributes(jsonRpcPathAnnotation).get("value");
					logger.debug("Found JSON-RPC service to proxy [{}] on path '{}'.", className, path);
					registerJsonProxyBean(defaultListableBeanFactory, className, path);
				}
			}
		}
	} catch (IOException e) {
		throw new IllegalStateException(format("Cannot scan package '%s' for classes.", resolvedPath), e);
	}
}

Source File: WindowConfig.java From cuba with Apache License 2.0

5 votes

protected MetadataReader loadClassMetadata(String className) {
    Resource resource = getResourceLoader().getResource("/" + className.replace(".", "/") + ".class");
    if (!resource.isReadable()) {
        throw new RuntimeException(String.format("Resource %s is not readable for class %s", resource, className));
    }
    try {
        return getMetadataReaderFactory().getMetadataReader(resource);
    } catch (IOException e) {
        throw new RuntimeException("Unable to read resource " + resource, e);
    }
}

Source File: TencentStorage.java From litemall with MIT License

5 votes

@Override
public Resource loadAsResource(String keyName) {
    try {
        URL url = new URL(getBaseUrl() + keyName);
        Resource resource = new UrlResource(url);
        if (resource.exists() || resource.isReadable()) {
            return resource;
        }
    } catch (MalformedURLException e) {
        logger.error(e.getMessage(), e);
    }
    return null;
}

Source File: PathResourceResolver.java From java-technology-stack with MIT License

5 votes

/**
 * Find the resource under the given location.
 * <p>The default implementation checks if there is a readable
 * {@code Resource} for the given path relative to the location.
 * @param resourcePath the path to the resource
 * @param location the location to check
 * @return the resource, or empty {@link Mono} if none found
 */
protected Mono<Resource> getResource(String resourcePath, Resource location) {
	try {
		Resource resource = location.createRelative(resourcePath);
		if (resource.isReadable()) {
			if (checkResource(resource, location)) {
				return Mono.just(resource);
			}
			else if (logger.isWarnEnabled()) {
				Resource[] allowedLocations = getAllowedLocations();
				logger.warn("Resource path \"" + resourcePath + "\" was successfully resolved " +
						"but resource \"" + resource.getURL() + "\" is neither under the " +
						"current location \"" + location.getURL() + "\" nor under any of the " +
						"allowed locations " + (allowedLocations != null ? Arrays.asList(allowedLocations) : "[]"));
			}
		}
		return Mono.empty();
	}
	catch (IOException ex) {
		if (logger.isDebugEnabled()) {
			String error = "Skip location [" + location + "] due to error";
			if (logger.isTraceEnabled()) {
				logger.trace(error, ex);
			}
			else {
				logger.debug(error + ": " + ex.getMessage());
			}
		}
		return Mono.error(ex);
	}
}

Source File: JaxbElementWrapper.java From eclair with Apache License 2.0

5 votes

private Class<?>[] findWrapperClasses(Jaxb2Marshaller jaxb2Marshaller) {
    String contextPath = jaxb2Marshaller.getContextPath();
    if (!hasText(contextPath)) {
        return jaxb2Marshaller.getClassesToBeBound();
    }
    List<Class<?>> classes = new ArrayList<>();
    for (String path : contextPath.split(":")) {
        for (Resource resource : pathToResources(path)) {
            if (resource.isReadable()) {
                classes.add(forName(resource));
            }
        }
    }
    return classes.toArray(new Class[classes.size()]);
}

Source File: UiExtensionsScanner.java From spring-boot-admin with Apache License 2.0

5 votes

public UiExtensions scan(String... locations) throws IOException {
	List<UiExtension> extensions = new ArrayList<>();
	for (String location : locations) {
		for (Resource resource : resolveAssets(location)) {
			String resourcePath = this.getResourcePath(location, resource);
			if (resourcePath != null && resource.isReadable()) {
				UiExtension extension = new UiExtension(resourcePath, location + resourcePath);
				log.debug("Found UiExtension {}", extension);
				extensions.add(extension);
			}
		}
	}
	return new UiExtensions(extensions);
}

Source File: MongoXmlParser.java From jstarcraft-core with Apache License 2.0

5 votes

private String[] getResources(String packageName) {
    try {
        // 搜索资源
        String packageSearchPath = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX + ClassUtils.convertClassNameToResourcePath(SystemPropertyUtils.resolvePlaceholders(packageName)) + "/" + DEFAULT_RESOURCE_PATTERN;
        Resource[] resources = resourcePatternResolver.getResources(packageSearchPath);
        // 提取资源
        Set<String> names = new HashSet<String>();
        String document = Document.class.getName();
        for (Resource resource : resources) {
            if (!resource.isReadable()) {
                continue;
            }
            // 判断是否静态资源
            MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(resource);
            AnnotationMetadata annotationMetadata = metadataReader.getAnnotationMetadata();
            if (!annotationMetadata.hasAnnotation(document)) {
                continue;
            }
            ClassMetadata classMetadata = metadataReader.getClassMetadata();
            names.add(classMetadata.getClassName());
        }
        return names.toArray(new String[0]);
    } catch (IOException exception) {
        String message = "无法获取资源";
        LOGGER.error(message, exception);
        throw new StorageConfigurationException(message, exception);
    }
}

Source File: UiRoutesScanner.java From spring-boot-admin with Apache License 2.0

5 votes

public List<String> scan(String... locations) throws IOException {
	List<String> routes = new ArrayList<>();
	for (String location : locations) {
		for (Resource resource : this.resolver.getResources(toPattern(location) + "**/routes.txt")) {
			if (resource.isReadable()) {
				routes.addAll(readLines(resource.getInputStream()));
			}
		}
	}
	return routes;
}

Source File: BerkeleyXmlParser.java From jstarcraft-core with Apache License 2.0

5 votes

private String[] getResources(String packageName) {
    try {
        // 搜索资源
        String packageSearchPath = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX + ClassUtils.convertClassNameToResourcePath(SystemPropertyUtils.resolvePlaceholders(packageName)) + "/" + DEFAULT_RESOURCE_PATTERN;
        Resource[] resources = resourcePatternResolver.getResources(packageSearchPath);
        // 提取资源
        Set<String> names = new HashSet<String>();
        String entity = Entity.class.getName();
        String persistent = Persistent.class.getName();
        for (Resource resource : resources) {
            if (!resource.isReadable()) {
                continue;
            }
            // 判断是否静态资源
            MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(resource);
            AnnotationMetadata annotationMetadata = metadataReader.getAnnotationMetadata();
            if (!annotationMetadata.hasAnnotation(entity) && !annotationMetadata.hasAnnotation(persistent)) {
                continue;
            }
            ClassMetadata classMetadata = metadataReader.getClassMetadata();
            names.add(classMetadata.getClassName());
        }
        return names.toArray(new String[0]);
    } catch (IOException exception) {
        String message = "无法获取资源";
        LOGGER.error(message, exception);
        throw new StorageConfigurationException(message, exception);
    }
}

Source File: HandlerAnnotationFactoryBean.java From MultimediaDesktop with Apache License 2.0

5 votes

private void onHandlerResource(
		Resource[] resources,
		MetadataReaderFactory readerFactory,
		ConcurrentHashMap<String, ConcurrentHashMap<HandlerScope, LinkedList<String>>> handlersMap)
		throws IOException {

	if (resources == null || readerFactory == null) {
		return;
	}

	for (Resource resource : resources) {
		if (resource.isReadable()) {
			MetadataReader reader = readerFactory
					.getMetadataReader(resource);
			// 这儿可以抽象出来，但是因为本项目只需要一个注解扫描
			if (matchesEntityTypeFilter(reader, readerFactory)) {
				Map<String, Object> map = reader.getAnnotationMetadata()
						.getAnnotationAttributes(
								"com.wms.studio.annotations.Handler");
				if (map != null) {
					String handlerName = (String) map.get("handlerName");
					String beanName = (String) map.get("beanName");
					HandlerScope scope = (HandlerScope) map.get("scope");
					if (scope == HandlerScope.None) {
						continue;
					}

					addHandler(handlerName, beanName, scope, handlersMap);
				}
			}
		}
	}
}

Source File: LuceneXmlParser.java From jstarcraft-core with Apache License 2.0

5 votes

private String[] getResources(String packageName) {
    try {
        // 搜索资源
        String packageSearchPath = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX + ClassUtils.convertClassNameToResourcePath(SystemPropertyUtils.resolvePlaceholders(packageName)) + "/" + DEFAULT_RESOURCE_PATTERN;
        Resource[] resources = resourcePatternResolver.getResources(packageSearchPath);
        // 提取资源
        Set<String> names = new HashSet<String>();
        String document = LuceneConfiguration.class.getName();
        for (Resource resource : resources) {
            if (!resource.isReadable()) {
                continue;
            }
            // 判断是否静态资源
            MetadataReader metadataReader = metadataReaderFactory.getMetadataReader(resource);
            AnnotationMetadata annotationMetadata = metadataReader.getAnnotationMetadata();
            if (!annotationMetadata.hasAnnotation(document)) {
                continue;
            }
            ClassMetadata classMetadata = metadataReader.getClassMetadata();
            names.add(classMetadata.getClassName());
        }
        return names.toArray(new String[0]);
    } catch (IOException exception) {
        String message = "无法获取资源";
        LOGGER.error(message, exception);
        throw new StorageConfigurationException(message, exception);
    }
}

Source File: QiniuStorage.java From BigDataPlatform with GNU General Public License v3.0

5 votes

@Override
public Resource loadAsResource(String keyName) {
    try {
        URL url = new URL(generateUrl(keyName));
        Resource resource = new UrlResource(url);
        if (resource.exists() || resource.isReadable()) {
            return resource;
        }
    } catch (MalformedURLException e) {
        logger.error(e.getMessage(), e);
    }
    return null;
}

Source File: CodecXmlParser.java From jstarcraft-core with Apache License 2.0

5 votes

/**
 * 获取指定包下的静态资源对象
 * 
 * @param packageName 包名
 * @return
 * @throws IOException
 */
private String[] getResources(String packageName) {
    try {
        // 搜索资源
        String packageSearchPath = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX + ClassUtils.convertClassNameToResourcePath(SystemPropertyUtils.resolvePlaceholders(packageName)) + "/" + DEFAULT_RESOURCE_PATTERN;
        Resource[] resources = this.resourcePatternResolver.getResources(packageSearchPath);
        // 提取资源
        Set<String> names = new HashSet<String>();
        String name = ProtocolConfiguration.class.getName();
        for (Resource resource : resources) {
            if (!resource.isReadable()) {
                continue;
            }
            // 判断是否静态资源
            MetadataReader metadataReader = this.metadataReaderFactory.getMetadataReader(resource);
            ClassMetadata classMetadata = metadataReader.getClassMetadata();
            AnnotationMetadata annotationMetadata = metadataReader.getAnnotationMetadata();
            if (annotationMetadata.hasAnnotation(name)) {
                names.add(classMetadata.getClassName());
            } else {
                String[] interfaceNames = classMetadata.getInterfaceNames();
                for (String interfaceName : interfaceNames) {
                    metadataReader = this.metadataReaderFactory.getMetadataReader(interfaceName);
                    annotationMetadata = metadataReader.getAnnotationMetadata();
                    if (annotationMetadata.hasAnnotation(name)) {
                        names.add(classMetadata.getClassName());
                        break;
                    }
                }
            }
        }
        return names.toArray(new String[0]);
    } catch (IOException exception) {
        throw new RuntimeException(exception);
    }
}

Source File: QiniuStorage.java From mall with MIT License

5 votes

@Override
public Resource loadAsResource(String keyName) {
    try {
        URL url = new URL(generateUrl(keyName));
        Resource resource = new UrlResource(url);
        if (resource.exists() || resource.isReadable()) {
            return resource;
        } else {
            return null;
        }
    } catch (MalformedURLException e) {
        e.printStackTrace();
        return null;
    }
}

Source File: ModelClassFinder.java From herd with Apache License 2.0

5 votes

/**
 * Finds all the model classes and the model error class.
 *
 * @throws MojoExecutionException if a class couldn't be instantiated or an I/O error occurred.
 */
private void findModelClasses() throws MojoExecutionException
{
    try
    {
        log.debug("Finding model classes.");

        // Get the model classes as resources.
        modelClasses = new HashSet<>();

        // Loop through each model resource and add each one to the set of model classes.
        for (Resource resource : ResourceUtils.getResources(ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX +
            ClassUtils.convertClassNameToResourcePath(SystemPropertyUtils.resolvePlaceholders(modelJavaPackage)) +
            "/**/*.class"))
        {
            if (resource.isReadable())
            {
                MetadataReader metadataReader = new CachingMetadataReaderFactory(new PathMatchingResourcePatternResolver()).getMetadataReader(resource);
                Class<?> clazz = Class.forName(metadataReader.getClassMetadata().getClassName());
                modelClasses.add(clazz);
                log.debug("Found model class \"" + clazz.getName() + "\".");

                // If the model error class name is configured and matches this class, then hold onto it.
                if (clazz.getSimpleName().equals(modelErrorClassName))
                {
                    log.debug("Found model error class \"" + clazz.getName() + "\".");
                    modelErrorClass = clazz;
                }
            }
        }
    }
    catch (IOException | ClassNotFoundException e)
    {
        throw new MojoExecutionException("Error finding model classes. Reason: " + e.getMessage(), e);
    }
}

Source File: ClassPathScanningCandidateComponentProvider.java From thinking-in-spring-boot-samples with Apache License 2.0

4 votes

/**
 * Scan the class path for candidate components.
 * @param basePackage the package to check for annotated classes
 * @return a corresponding Set of autodetected bean definitions
 */
public Set<BeanDefinition> findCandidateComponents(String basePackage) {
    Set<BeanDefinition> candidates = new LinkedHashSet<BeanDefinition>();
    try {
        String packageSearchPath = ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX +
                resolveBasePackage(basePackage) + "/" + this.resourcePattern;
        Resource[] resources = this.resourcePatternResolver.getResources(packageSearchPath);
        boolean traceEnabled = logger.isTraceEnabled();
        boolean debugEnabled = logger.isDebugEnabled();
        for (int i = 0; i < resources.length; i++) {
            Resource resource = resources[i];
            if (traceEnabled) {
                logger.trace("Scanning " + resource);
            }
            if (resource.isReadable()) {
                MetadataReader metadataReader = this.metadataReaderFactory.getMetadataReader(resource);
                if (isCandidateComponent(metadataReader)) {
                    ScannedGenericBeanDefinition sbd = new ScannedGenericBeanDefinition(metadataReader);
                    sbd.setResource(resource);
                    sbd.setSource(resource);
                    if (isCandidateComponent(sbd)) {
                        if (debugEnabled) {
                            logger.debug("Identified candidate component class: " + resource);
                        }
                        candidates.add(sbd);
                    }
                    else {
                        if (debugEnabled) {
                            logger.debug("Ignored because not a concrete top-level class: " + resource);
                        }
                    }
                }
                else {
                    if (traceEnabled) {
                        logger.trace("Ignored because not matching any filter: " + resource);
                    }
                }
            }
            else {
                if (traceEnabled) {
                    logger.trace("Ignored because not readable: " + resource);
                }
            }
        }
    }
    catch (IOException ex) {
        throw new BeanDefinitionStoreException("I/O failure during classpath scanning", ex);
    }
    return candidates;
}

Java Code Examples for org.springframework.core.io.Resource#isReadable()