Example usage for org.springframework.core.io Resource exists

List of usage examples for org.springframework.core.io Resource exists

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Introduction

In this page you can find the example usage for org.springframework.core.io Resource exists.

Prototype

boolean exists();

Source Link

Document

Determine whether this resource actually exists in physical form.

Usage

From source file:org.solmix.runtime.support.spring.SpringContainerFactory.java

/**
 * @param strings/*  www . j  a  v a2 s  . com*/
 * @param includeDefaults
 * @return
 */
public Container createContainer(String[] cfgFiles, boolean includeDefaults) {
    try {
        final Resource r = ContainerApplicationContext
                .findResource(ContainerApplicationContext.DEFAULT_USER_CFG_FILE);
        boolean exists = true;
        if (r != null) {
            exists = AccessController.doPrivileged(new PrivilegedAction<Boolean>() {

                @Override
                public Boolean run() {
                    return r.exists();
                }
            });
        }
        if (parent == null && includeDefaults && (r == null || !exists)) {
            return new ContainerFactoryImpl().createContainer();
        }
        ConfigurableApplicationContext cac = createApplicationContext(cfgFiles, includeDefaults, parent);
        return completeCreating(cac);
    } catch (BeansException ex) {
        throw new java.lang.RuntimeException(ex);
    }
}

From source file:org.alfresco.reporting.util.resource.HierarchicalResourceLoader.java

/**
 * Get a resource using the defined class hierarchy as a search path.
 * //from   ww w  . j av a  2 s. c  o  m
 * @param location          the location including a {@link #DEFAULT_DIALECT_PLACEHOLDER placeholder}
 * @return                  a resource found by successive searches using class name replacement, or
 *                          <tt>null</tt> if not found.
 */
@SuppressWarnings("unchecked")
@Override
public Resource getResource(String location) {
    if (dialectClass == null || dialectBaseClass == null) {
        return super.getResource(location);
    }

    // If a property value has not been substituted, extract the property name and load from system
    String dialectBaseClassStr = dialectBaseClass;
    if (!PropertyCheck.isValidPropertyString(dialectBaseClass)) {
        String prop = PropertyCheck.getPropertyName(dialectBaseClass);
        dialectBaseClassStr = System.getProperty(prop, dialectBaseClass);
    }
    String dialectClassStr = dialectClass;
    if (!PropertyCheck.isValidPropertyString(dialectClass)) {
        String prop = PropertyCheck.getPropertyName(dialectClass);
        dialectClassStr = System.getProperty(prop, dialectClass);
    }

    Class dialectBaseClazz;
    try {
        dialectBaseClazz = Class.forName(dialectBaseClassStr);
    } catch (ClassNotFoundException e) {
        throw new RuntimeException("Dialect base class not found: " + dialectBaseClassStr);
    }
    Class dialectClazz;
    try {
        dialectClazz = Class.forName(dialectClassStr);
    } catch (ClassNotFoundException e) {
        throw new RuntimeException("Dialect class not found: " + dialectClassStr);
    }
    // Ensure that we are dealing with classes and not interfaces
    if (!Object.class.isAssignableFrom(dialectBaseClazz)) {
        throw new RuntimeException(
                "Dialect base class must be derived from java.lang.Object: " + dialectBaseClazz.getName());
    }
    if (!Object.class.isAssignableFrom(dialectClazz)) {
        throw new RuntimeException(
                "Dialect class must be derived from java.lang.Object: " + dialectClazz.getName());
    }
    // We expect these to be in the same hierarchy
    if (!dialectBaseClazz.isAssignableFrom(dialectClazz)) {
        throw new RuntimeException("Non-existent HierarchicalResourceLoader hierarchy: "
                + dialectBaseClazz.getName() + " is not a superclass of " + dialectClazz);
    }

    Class<? extends Object> clazz = dialectClazz;
    Resource resource = null;
    while (resource == null) {
        // Do replacement
        String newLocation = location.replaceAll(DEFAULT_DIALECT_REGEX, clazz.getName());
        resource = super.getResource(newLocation);
        if (resource != null && resource.exists()) {
            // Found
            break;
        }
        // Not found
        resource = null;
        // Are we at the base class?
        if (clazz.equals(dialectBaseClazz)) {
            // We don't go any further
            break;
        }
        // Move up the hierarchy
        clazz = clazz.getSuperclass();
        if (clazz == null) {
            throw new RuntimeException("Non-existent HierarchicalResourceLoaderBean hierarchy: "
                    + dialectBaseClazz.getName() + " is not a superclass of " + dialectClazz);
        }
    }
    //System.out.println("HierarchyResourceLoader returning: " + resource.toString());
    setResourcePath(resource.toString());

    return resource;
}

From source file:com.netflix.genie.web.services.impl.JobDirectoryServerServiceImpl.java

/**
 * Constructor that accepts a handler factory mock for easier testing.
 *///w  ww . j a  v  a2s . c o  m
@VisibleForTesting
JobDirectoryServerServiceImpl(final ResourceLoader resourceLoader,
        final JobPersistenceService jobPersistenceService, final JobFileService jobFileService,
        final AgentFileStreamService agentFileStreamService, final MeterRegistry meterRegistry,
        final GenieResourceHandler.Factory genieResourceHandlerFactory) {

    this.resourceLoader = resourceLoader;
    this.jobPersistenceService = jobPersistenceService;
    this.jobFileService = jobFileService;
    this.agentFileStreamService = agentFileStreamService;
    this.meterRegistry = meterRegistry;
    this.genieResourceHandlerFactory = genieResourceHandlerFactory;

    // TODO: This is a local cache. It might be valuable to have a shared cluster cache?
    // TODO: May want to tweak parameters or make them configurable
    // TODO: Should we expire more proactively than just waiting for size to fill up?
    this.manifestCache = CacheBuilder.newBuilder().maximumSize(50L).recordStats()
            .build(new CacheLoader<String, ManifestCacheValue>() {
                @Override
                public ManifestCacheValue load(final String key) throws Exception {
                    // TODO: Probably need more specific exceptions so we can map them to response codes
                    final String archiveLocation = jobPersistenceService.getJobArchiveLocation(key)
                            .orElseThrow(() -> new JobNotArchivedException("Job " + key + " wasn't archived"));

                    final URI jobDirectoryRoot = new URI(archiveLocation + SLASH).normalize();

                    final URI manifestLocation;
                    if (StringUtils.isBlank(JobArchiveService.MANIFEST_DIRECTORY)) {
                        manifestLocation = jobDirectoryRoot.resolve(JobArchiveService.MANIFEST_NAME)
                                .normalize();
                    } else {
                        manifestLocation = jobDirectoryRoot
                                .resolve(JobArchiveService.MANIFEST_DIRECTORY + SLASH)
                                .resolve(JobArchiveService.MANIFEST_NAME).normalize();
                    }

                    final Resource manifestResource = resourceLoader.getResource(manifestLocation.toString());
                    if (!manifestResource.exists()) {
                        throw new GenieNotFoundException("No job manifest exists at " + manifestLocation);
                    }
                    final JobDirectoryManifest manifest = GenieObjectMapper.getMapper()
                            .readValue(manifestResource.getInputStream(), JobDirectoryManifest.class);

                    return new ManifestCacheValue(manifest, jobDirectoryRoot);
                }
            });

    // TODO: Record metrics for cache using stats() method return
}

From source file:org.openspaces.pu.container.jee.jetty.JettyJeeProcessingUnitContainerProvider.java

private Resource getJettyPuResource() {
    Resource jettyPuResource = new ClassPathResource(DEFAULT_JETTY_PU);
    if (!jettyPuResource.exists()) {
        String instanceProp = getBeanLevelProperties().getContextProperties().getProperty(JETTY_INSTANCE_PROP,
                INSTANCE_PLAIN);/*from  ww w.  ja  va  2  s  .co m*/
        String defaultLocation = System.getProperty(JETTY_LOCATION_PREFIX_SYSPROP, INTERNAL_JETTY_PU_PREFIX)
                + instanceProp + ".pu.xml";
        jettyPuResource = new ClassPathResource(defaultLocation);
        if (!jettyPuResource.exists()) {
            throw new CannotCreateContainerException("Failed to read internal pu file [" + defaultLocation
                    + "] as well as user defined [" + DEFAULT_JETTY_PU + "]");
        }
        if (logger.isDebugEnabled()) {
            logger.debug("Using internal built in jetty pu.xml from [" + defaultLocation + "]");
        }
    } else {
        if (logger.isDebugEnabled()) {
            logger.debug("Using user specific jetty pu.xml from [" + DEFAULT_JETTY_PU + "]");
        }
    }

    return jettyPuResource;
}

From source file:eu.dnetlib.maven.plugin.properties.WritePredefinedProjectProperties.java

/**
 * Checks whether file exists./*w w  w .  j  a va  2  s. c om*/
 * @param location
 * @return true when exists, false otherwise.
 */
protected boolean exists(String location) {
    if (StringUtils.isBlank(location)) {
        return false;
    }
    File file = new File(location);
    if (file.exists()) {
        return true;
    }
    ResourceLoader loader = new DefaultResourceLoader();
    Resource resource = loader.getResource(location);
    return resource.exists();
}

From source file:com.haulmont.cuba.desktop.theme.impl.DesktopThemeLoaderImpl.java

private void includeThemeFile(DesktopThemeImpl theme, Element element, Resource resource) throws IOException {
    String fileName = element.attributeValue("file");
    if (StringUtils.isEmpty(fileName)) {
        log.error("Missing 'file' attribute to include");
        return;//from   w w w. j av  a  2s  .  c om
    }

    Resource relativeResource = resource.createRelative(fileName);
    if (relativeResource.exists()) {
        log.info("Including theme file " + relativeResource.getURL());
        loadThemeFromXml(theme, relativeResource);
    } else {
        log.error("Resource " + fileName + " not found, ignore it");
    }
}

From source file:net.javacrumbs.springws.test.lookup.PayloadRootBasedResourceLookup.java

public Resource lookupResource(URI uri, WebServiceMessage message) throws IOException {
    QName payloadQName;/*from w  w w  . j  a  v a  2 s  .co m*/
    try {
        payloadQName = PayloadRootUtils.getPayloadRootQName(message.getPayloadSource(), TRANSFORMER_FACTORY);
    } catch (TransformerException e) {
        logger.warn("Can not resolve payload.", e);
        return null;
    } catch (XMLStreamException e) {
        logger.warn("Can not resolve payload.", e);
        return null;
    }
    String payloadName = payloadQName.getLocalPart();
    String[] expressions = getDiscriminators(payloadName);
    Document document = getXmlUtil().loadDocument(message);
    Resource resource;
    int discriminatorsCount = expressions.length;
    do {
        String resourceName = getResourceName(uri, payloadName, expressions, discriminatorsCount, document);
        logger.debug("Looking for resource " + resourceName);
        resource = getResourceLoader().getResource(resourceName);
        discriminatorsCount--;
    } while ((resource == null || !resource.exists()) && discriminatorsCount >= 0);
    if (resource != null && resource.exists()) {
        logger.debug("Found resource " + resource);
        return processResource(uri, message, resource);
    } else {
        return null;
    }
}

From source file:org.jruby.rack.mock.MockServletContext.java

public InputStream getResourceAsStream(String path) {
    Resource resource = this.resourceLoader.getResource(getResourceLocation(path));
    if (!resource.exists()) {
        return null;
    }//ww w . j  av a  2s  .com
    try {
        return resource.getInputStream();
    } catch (IOException ex) {
        logger.log("WARN: Couldn't open InputStream for " + resource, ex);
        return null;
    }
}

From source file:org.jruby.rack.mock.MockServletContext.java

public URL getResource(String path) throws MalformedURLException {
    Resource resource = this.resourceLoader.getResource(getResourceLocation(path));
    if (!resource.exists()) {
        return null;
    }// ww w  .j ava  2  s  .c  om
    try {
        return resource.getURL();
    } catch (MalformedURLException ex) {
        throw ex;
    } catch (IOException ex) {
        logger.log("WARN: Couldn't get URL for " + resource, ex);
        return null;
    }
}

From source file:org.ireland.jnetty.webapp.ServletContextImpl.java

/**
 * Returns the resource for a uripath as an input stream.
 * @see org.springframework.mock.web.MockServletContext
 *//* w  ww.  ja  va2  s .  com*/
@Override
public InputStream getResourceAsStream(String path) {
    Resource resource = this.resourceLoader.getResource(getResourceLocation(path));
    if (!resource.exists()) {
        return null;
    }
    try {
        return resource.getInputStream();
    } catch (IOException ex) {
        log.debug("Couldn't open InputStream for " + resource, ex);
        return null;
    }
}