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

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.springframework.boot.ImageBanner.java

public ImageBanner(Resource image) {
    Assert.notNull(image, "Image must not be null");
    Assert.isTrue(image.exists(), "Image must exist");
    this.image = image;
}

From source file:org.springframework.boot.ResourceBanner.java

public ResourceBanner(Resource resource) {
    Assert.notNull(resource, "Resource must not be null");
    Assert.isTrue(resource.exists(), "Resource must exist");
    this.resource = resource;
}

From source file:org.springframework.boot.SpringApplication.java

private Banner selectBanner(Environment environment) {
    String location = environment.getProperty("banner.location", "banner.txt");
    ResourceLoader resourceLoader = this.resourceLoader != null ? this.resourceLoader
            : new DefaultResourceLoader(getClassLoader());
    Resource resource = resourceLoader.getResource(location);

    if (resource.exists()) {
        return new ResourceBanner(resource);
    }/*w ww . j av a2  s. co  m*/
    if (this.banner != null) {
        return this.banner;
    }
    return DEFAULT_BANNER;
}

From source file:org.springframework.boot.SpringApplicationBannerPrinter.java

private Banner getTextBanner(Environment environment) {
    String location = environment.getProperty(BANNER_LOCATION_PROPERTY, DEFAULT_BANNER_LOCATION);
    Resource resource = this.resourceLoader.getResource(location);
    if (resource.exists()) {
        return new ResourceBanner(resource);
    }/*from   w ww.  j av  a  2 s  . c  om*/
    return null;
}

From source file:org.springframework.boot.SpringApplicationBannerPrinter.java

private Banner getImageBanner(Environment environment) {
    String location = environment.getProperty(BANNER_IMAGE_LOCATION_PROPERTY);
    if (StringUtils.hasLength(location)) {
        Resource resource = this.resourceLoader.getResource(location);
        return (resource.exists() ? new ImageBanner(resource) : null);
    }//from  w w  w. jav  a 2  s.  com
    for (String ext : IMAGE_EXTENSION) {
        Resource resource = this.resourceLoader.getResource("banner." + ext);
        if (resource.exists()) {
            return new ImageBanner(resource);
        }
    }
    return null;
}

From source file:org.springframework.cloud.config.monitor.FileMonitorConfiguration.java

private Set<Path> getFileRepo() {
    if (this.scmRepositories != null) {
        String repositoryUri = null;
        Set<Path> paths = new LinkedHashSet<>();
        try {//from  www  .  j a  v a2s  .c  o m
            for (AbstractScmEnvironmentRepository repository : scmRepositories) {
                repositoryUri = repository.getUri();
                Resource resource = this.resourceLoader.getResource(repositoryUri);
                if (resource instanceof FileSystemResource) {
                    paths.add(Paths.get(resource.getURI()));
                }
            }
            return paths;
        } catch (IOException e) {
            log.error("Cannot resolve URI for path: " + repositoryUri);
        }
    }
    if (this.nativeEnvironmentRepository != null) {
        Set<Path> paths = new LinkedHashSet<>();
        for (String path : this.nativeEnvironmentRepository.getSearchLocations()) {
            Resource resource = this.resourceLoader.getResource(path);
            if (resource.exists()) {
                try {
                    paths.add(Paths.get(resource.getURI()));
                } catch (Exception e) {
                    log.error("Cannot resolve URI for path: " + path);
                }
            }
        }
        return paths;
    }
    return null;
}

From source file:org.springframework.cloud.config.server.resource.GenericResourceRepository.java

@Override
public synchronized Resource findOne(String application, String profile, String label, String path) {

    if (StringUtils.hasText(path)) {
        String[] locations = this.service.getLocations(application, profile, label).getLocations();
        try {/*w  w w.  j a  va 2 s  . c o  m*/
            for (int i = locations.length; i-- > 0;) {
                String location = locations[i];
                for (String local : getProfilePaths(profile, path)) {
                    if (!isInvalidPath(local) && !isInvalidEncodedPath(local)) {
                        Resource file = this.resourceLoader.getResource(location).createRelative(local);
                        if (file.exists() && file.isReadable()) {
                            return file;
                        }
                    }
                }
            }
        } catch (IOException e) {
            throw new NoSuchResourceException("Error : " + path + ". (" + e.getMessage() + ")");
        }
    }
    throw new NoSuchResourceException("Not found: " + path);
}

From source file:org.springframework.cloud.dataflow.server.config.DefaultEnvironmentPostProcessor.java

private static void contributeDefaults(Map<String, Object> defaults, Resource resource) {
    if (resource.exists()) {
        YamlPropertiesFactoryBean yamlPropertiesFactoryBean = new YamlPropertiesFactoryBean();
        yamlPropertiesFactoryBean.setResources(resource);
        yamlPropertiesFactoryBean.afterPropertiesSet();
        Properties p = yamlPropertiesFactoryBean.getObject();
        for (Object k : p.keySet()) {
            String key = k.toString();
            defaults.put(key, p.get(key));
        }// w w w .  jav  a  2  s  .  c  o m
    }
}

From source file:org.springframework.cloud.dataflow.server.single.security.OAuth2ServerResource.java

@Override
protected void before() throws Throwable {

    originalOAuth2Port = System.getProperty(OAUTH2_PORT_PROPERTY);

    this.oauth2ServerPort = SocketUtils.findAvailableTcpPort();

    LOGGER.info("Setting OAuth2 Server port to " + this.oauth2ServerPort);

    System.setProperty(OAUTH2_PORT_PROPERTY, String.valueOf(this.oauth2ServerPort));

    final String configurationLocation = "classpath:/org/springframework/cloud/dataflow/server/single/security/support/oauth2TestServerConfig.yml";

    final Resource resource = new PathMatchingResourcePatternResolver().getResource(configurationLocation);
    if (!resource.exists()) {
        throw new IllegalArgumentException(String
                .format("Resource 'configurationLocation' ('%s') does not exist.", configurationLocation));
    }/*from  ww  w. j a v  a 2  s. co  m*/

    this.application = new SpringApplicationBuilder(OAuth2TestServer.class).build().run(
            "--spring.cloud.common.security.enabled=false", "--spring.cloud.kubernetes.enabled=false",
            "--spring.config.additional-location=" + configurationLocation);
}

From source file:org.springframework.data.hadoop.admin.web.TemplateController.java

@RequestMapping(value = "/templates/**", method = RequestMethod.GET)
public String get(HttpServletRequest request, HttpServletResponse response, ModelMap model,
        @RequestParam(defaultValue = "0") int startFile, @RequestParam(defaultValue = "20") int pageSize,
        @ModelAttribute("date") Date date, Errors errors) throws Exception {

    list(model, startFile, pageSize);//from ww  w  . jav  a  2  s.c o  m

    String path = request.getPathInfo().substring("/templates/".length());
    Resource file = templateService.getResource(path);
    if (file == null || !file.exists()) {
        errors.reject("file.download.missing", new Object[] { path },
                "File download failed for missing file at path=" + HtmlUtils.htmlEscape(path));
        return "templates";
    }

    response.setContentType("application/octet-stream");
    try {
        FileCopyUtils.copy(file.getInputStream(), response.getOutputStream());
    } catch (IOException e) {
        errors.reject("file.download.failed", new Object[] { path },
                "File download failed for path=" + HtmlUtils.htmlEscape(path));
        logger.info("File download failed for path=" + path, e);
        return "templates";
    }

    return null;

}