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:com.netflix.genie.web.configs.GenieApiAutoConfiguration.java

/**
 * Get the jobs dir as a Spring Resource. Will create if it doesn't exist.
 *
 * @param resourceLoader The resource loader to use
 * @param jobsProperties The jobs properties to use
 * @return The job dir as a resource/* w  w w  .  j  a va 2  s  .  co m*/
 * @throws IOException on error reading or creating the directory
 */
@Bean
@ConditionalOnMissingBean(name = "jobsDir", value = Resource.class)
public Resource jobsDir(final ResourceLoader resourceLoader, final JobsProperties jobsProperties)
        throws IOException {
    final String jobsDirLocation = jobsProperties.getLocations().getJobs();
    final Resource tmpJobsDirResource = resourceLoader.getResource(jobsDirLocation);
    if (tmpJobsDirResource.exists() && !tmpJobsDirResource.getFile().isDirectory()) {
        throw new IllegalStateException(jobsDirLocation + " exists but isn't a directory. Unable to continue");
    }

    // We want the resource to end in a slash for use later in the generation of URL's
    final String slash = "/";
    String localJobsDir = jobsDirLocation;
    if (!jobsDirLocation.endsWith(slash)) {
        localJobsDir = localJobsDir + slash;
    }
    final Resource jobsDirResource = resourceLoader.getResource(localJobsDir);

    if (!jobsDirResource.exists()) {
        final File file = jobsDirResource.getFile();
        if (!file.mkdirs()) {
            throw new IllegalStateException(
                    "Unable to create jobs directory " + jobsDirLocation + " and it doesn't exist.");
        }
    }

    return jobsDirResource;
}

From source file:com.github.mybatis.repository.autoconfig.MybatisAutoConfiguration.java

@PostConstruct
public void checkConfigFileExists() {
    if (this.properties.isCheckConfigLocation() && StringUtils.hasText(this.properties.getConfigLocation())) {
        Resource resource = this.resourceLoader.getResource(this.properties.getConfigLocation());
        Assert.state(resource.exists(), "Cannot find config location: " + resource
                + " (please add config file or check your Mybatis configuration)");
    }//w w  w .j  a  v  a2 s. c o  m
}

From source file:com.github.mjeanroy.springmvc.view.mustache.core.DefaultMustacheTemplateLoader.java

@Override
public Reader getTemplate(String name) {
    final String templateName = resolve(name);
    final Resource resource = resourceLoader.getResource(templateName);

    if (!resource.exists()) {
        log.error("Mustache template '{}' does not exist, template is not found", templateName);
        throw new MustacheTemplateNotFoundException(templateName);
    }//from w w w  . jav  a  2  s  . c  om

    try {
        final InputStream inputStream = resource.getInputStream();
        return new InputStreamReader(inputStream);
    } catch (IOException ex) {
        log.error(ex.getMessage(), ex);
        throw new MustacheTemplateException(ex);
    }
}

From source file:org.apache.james.container.spring.lifecycle.ConfigurationProviderImpl.java

/**
 * @see ConfigurationProvider#getConfiguration(java.lang.String)
 *///from  w  ww  . ja v a 2s .  com
public HierarchicalConfiguration getConfiguration(String name) throws ConfigurationException {

    HierarchicalConfiguration conf = configurations.get(name);

    // Simply return the configuration if it is already loaded.
    if (conf != null) {
        return conf;
    }

    // Load the configuration.
    else {

        // Compute resourceName and configPart (if any, configPart can
        // remain null).
        int i = name.indexOf(".");
        String resourceName;
        String configPart = null;

        if (i > -1) {
            resourceName = name.substring(0, i);
            configPart = name.substring(i + 1);
        } else {
            resourceName = name;
        }

        Resource resource = loader.getResource(getConfigPrefix() + resourceName + CONFIGURATION_FILE_SUFFIX);

        if (resource.exists()) {
            try {
                HierarchicalConfiguration config = getConfig(resource);
                if (configPart != null) {
                    return config.configurationAt(configPart);
                } else {
                    return config;
                }

            } catch (Exception e) {
                throw new ConfigurationException("Unable to load configuration for component " + name, e);
            }
        }
    }

    // Configuration was not loaded, throw exception.
    throw new ConfigurationException("Unable to load configuration for component " + name);

}

From source file:com.netflix.genie.web.configs.MvcConfig.java

/**
 * Get the jobs dir as a Spring Resource. Will create if it doesn't exist.
 *
 * @param resourceLoader The resource loader to use
 * @param jobsProperties The jobs properties to use
 * @return The job dir as a resource/*from   ww w .  j a va  2 s. co  m*/
 * @throws IOException on error reading or creating the directory
 */
@Bean
@ConditionalOnMissingBean
public Resource jobsDir(final ResourceLoader resourceLoader, final JobsProperties jobsProperties)
        throws IOException {
    final String jobsDirLocation = jobsProperties.getLocations().getJobs();
    final Resource tmpJobsDirResource = resourceLoader.getResource(jobsDirLocation);
    if (tmpJobsDirResource.exists() && !tmpJobsDirResource.getFile().isDirectory()) {
        throw new IllegalStateException(jobsDirLocation + " exists but isn't a directory. Unable to continue");
    }

    // We want the resource to end in a slash for use later in the generation of URL's
    final String slash = "/";
    String localJobsDir = jobsDirLocation;
    if (!jobsDirLocation.endsWith(slash)) {
        localJobsDir = localJobsDir + slash;
    }
    final Resource jobsDirResource = resourceLoader.getResource(localJobsDir);

    if (!jobsDirResource.exists()) {
        final File file = jobsDirResource.getFile();
        if (!file.mkdirs()) {
            throw new IllegalStateException(
                    "Unable to create jobs directory " + jobsDirLocation + " and it doesn't exist.");
        }
    }

    return jobsDirResource;
}

From source file:com.github.mjeanroy.springmvc.view.mustache.configuration.MustacheTemplateLoaderFactoryBeanTest.java

@Test
public void classpath_resource_loader_should_load_resource_from_classpath_and_remove_prefix() throws Exception {
    Resource resource = classpathResourceLoader.getResource("classpath:/templates/foo.template.html");
    assertThat(resource).isNotNull();/*from   ww w .j a v a2 s.  c  o m*/
    assertThat(resource.exists()).isTrue();
    assertThat(resource.getURI().toString()).startsWith("file:/")
            .endsWith("/target/test-classes/templates/foo.template.html");
}

From source file:com.github.mjeanroy.springmvc.view.mustache.configuration.MustacheTemplateLoaderFactoryBeanTest.java

@Test
public void classpath_resource_loader_should_load_resource_from_classpath_and_return_resource_if_it_does_not_exist()
        throws Exception {
    Resource resource = classpathResourceLoader.getResource("classpath:/templates/fake.template.html");
    assertThat(resource).isNotNull();/*from w  ww  .  j  av a2s  . c  om*/
    assertThat(resource.exists()).isFalse();
}

From source file:com.enonic.cms.core.structure.SitePropertiesServiceImpl.java

private SiteProperties loadSiteProperties(final SiteKey siteKey) {
    final Properties properties = new Properties(defaultProperties);
    properties.setProperty("sitekey", String.valueOf(siteKey));

    final String relativePathToCmsHome = "/config/site-" + siteKey + ".properties";
    boolean custom = false;
    try {//from  ww  w  . j ava2  s.c o  m
        String resourcePath = this.homeDir.toURI().toURL() + relativePathToCmsHome;
        Resource resource = resourceLoader.getResource(resourcePath);
        boolean useCustomProperties = resource.exists();
        if (useCustomProperties) {
            InputStream stream = resource.getInputStream();
            properties.load(stream);
            properties.setProperty("customSiteProperties", "true");
            custom = true;
            stream.close();
        }
    } catch (IOException e) {
        throw new RuntimeException("Failed to load site properties file: " + relativePathToCmsHome, e);
    }

    properties.setProperty(SitePropertyNames.URL_DEFAULT_CHARACTER_ENCODING, this.characterEncoding);

    final SiteProperties siteProperties = new SiteProperties(siteKey, properties);
    sitePropertiesMap.put(siteKey, siteProperties);

    if (custom) {
        LOG.info("Loaded custom properties for site #{}", siteKey);
    } else {
        LOG.info("Loaded default properties for site #{}", siteKey);
    }

    return siteProperties;
}

From source file:it.publisys.ims.discovery.job.EntityTasks.java

@Scheduled(fixedRate = 600000, initialDelay = 5000)
public void reloadEntities() {
    log.debug("Reload Entities");

    log.debug("ServletContext: " + servletContext);

    try {/*from   ww  w.j  a  va 2 s  .  c  om*/
        Resource resourceDir = new ClassPathResource(METADATA_DIR + "/" + GUARDS_DIR);

        if (!resourceDir.exists()) {
            throw new FileNotFoundException(
                    String.format("Directory dei Medatada non presente. [%s]", resourceDir));
        }

        List<File> files = loadMetadataXml(resourceDir.getFile());
        EntitiesDescriptorDocument entitiesDescriptorDocument = storeEntitiesFile(files);

        EntityDescriptorType[] entityDescriptorTypes = loadAndCacheEntities(entitiesDescriptorDocument);
        loadEntities(entityDescriptorTypes);

    } catch (FileNotFoundException fnfe) {
        log.warn(fnfe.getMessage(), fnfe);
    } catch (IOException ioe) {
        log.warn("Caricamento Metadata non riuscito.", ioe);
    }

}