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.jahia.settings.SettingsBean.java

@Override
public void afterPropertiesSet() throws Exception {

    // init build number
    setBuildNumber(Jahia.getBuildNumber());

    // set maintenance mode state
    Jahia.setMaintenance(isMaintenanceMode());

    if (licenseFileLocations != null) {
        for (String location : licenseFileLocations) {
            String path = location.trim();
            if ("file:/".equals(path)) {
                continue;
            }//from  w ww .j  a  va 2 s . c  o m
            try {
                for (Resource resource : applicationContext.getResources(path)) {
                    if (resource.exists()) {
                        licenseFile = resource;
                        break;
                    }
                }
                if (licenseFile != null) {
                    break;
                }
            } catch (IOException e) {
                // ignore missing locations
            }
        }
    }
}

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From source file:org.jasig.portal.portlets.portletadmin.xmlsupport.XmlChannelPublishingDefinitionDao.java

private PortletPublishingDefinition loadChannelPublishingDefinition(int channelTypeId) {
    // if the CPD is not already in the cache, determine the CPD URI
    final String cpdUri;
    if (channelTypeId >= 0) {
        final IPortletType type = this.portletTypeRegistry.getPortletType(channelTypeId);
        if (type == null) {
            throw new IllegalArgumentException("No ChannelType registered with id: " + channelTypeId);
        }/*from w  w w.j a  v a 2  s . com*/
        cpdUri = type.getCpdUri();
    } else {
        cpdUri = CUSTOM_CPD_PATH;
    }

    // read and parse the CPD
    final PortletPublishingDefinition def;
    final Resource cpdResource = this.resourceLoader.getResource("classpath:" + cpdUri);
    if (!cpdResource.exists()) {
        throw new MissingResourceException(
                "Failed to find CPD '" + cpdUri + "' for channel type " + channelTypeId,
                this.getClass().getName(), cpdUri);
    }

    final InputStream cpdStream;
    try {
        cpdStream = cpdResource.getInputStream();
    } catch (IOException e) {
        throw new MissingResourceException(
                "Failed to load CPD '" + cpdUri + "' for channel type " + channelTypeId,
                this.getClass().getName(), cpdUri);
    }

    try {
        def = (PortletPublishingDefinition) this.unmarshaller.unmarshal(cpdStream);
        final List<Step> sharedParameters = this.getSharedParameters();
        def.getSteps().addAll(sharedParameters);
        // add the CPD to the cache and return it
        this.cpdCache.put(channelTypeId, def);

        return def;
    } catch (JAXBException e) {
    } finally {
        IOUtils.closeQuietly(cpdStream);
    }

    return null;

}

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From source file:org.josso.tooling.gshell.core.spring.GShellApplicationContext.java

@Override
protected Resource[] getConfigResources() {

    List<Resource> resources = new ArrayList<Resource>();

    try {/*from w  ww  . java  2  s. com*/
        PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver(
                Thread.currentThread().getContextClassLoader());

        Collections.addAll(resources, resolver.getResources(DEFAULT_JOSSO_GSHELL_CFG_FILE));

    } catch (IOException ex) {
        // ignore
    }

    if (null == cfgFiles) {
        cfgFiles = new String[] { "josso-gshell.xml" };
    }

    for (String cfgFile : cfgFiles) {
        boolean found = false;
        Resource cpr = new ClassPathResource(cfgFile);
        if (!cpr.exists()) {
            try {
                //see if it's a URL
                URL url = new URL(cfgFile);
                cpr = new UrlResource(url);
                if (cpr.exists()) {
                    resources.add(cpr);
                    found = true;
                }
            } catch (MalformedURLException e) {
                //ignore
            }
            if (!found) {
                //try loading it our way
                URL url = getResource(cfgFile, this.getClass());
                if (url != null) {
                    cpr = new UrlResource(url);
                    if (cpr.exists()) {
                        resources.add(cpr);
                        found = true;
                    }
                }
            }
        } else {
            resources.add(cpr);
            found = true;
        }
        if (!found) {
            logger.warn("No Process Descriptor found: " + cfgFile);
        }
    }

    if (null != cfgFileURLs) {
        for (URL cfgFileURL : cfgFileURLs) {
            UrlResource ur = new UrlResource(cfgFileURL);
            if (ur.exists()) {
                resources.add(ur);
            } else {
                logger.warn("No Process Descriptor found: " + cfgFileURL);
            }
        }
    }

    logger.info("Creating application context with resources: " + resources);

    if (0 == resources.size()) {
        return null;
    }

    Resource[] res = new Resource[resources.size()];
    res = resources.toArray(res);
    return res;
}

---

From source file:org.jzkit.search.util.RecordConversion.XSLFragmentTransformer.java

private void reloadStylesheet() throws javax.xml.transform.TransformerConfigurationException {
    log.debug("XSLFragmentTransformer::reloadStylesheet()");
    try {/*ww w  .  ja v a  2 s .  c  o m*/
        TransformerFactory tFactory = TransformerFactory.newInstance();
        if (ctx == null)
            throw new RuntimeException("Application Context Is Null. Cannot resolve resources");

        org.springframework.core.io.Resource r = ctx.getResource(the_path);
        if ((r != null) && (r.exists())) {
            URL path_url = r.getURL();
            URLConnection conn = path_url.openConnection();
            datestamp = conn.getDate();
            log.debug("get template for " + the_path + " url:" + path_url + " datestamp=" + datestamp);
            t = tFactory.newTemplates(new javax.xml.transform.stream.StreamSource(conn.getInputStream()));
        } else {
            log.error("Unable to resolve URL for " + the_path);
        }
    } catch (java.io.IOException ioe) {
        log.warn("Problem with XSL mapping", ioe);
        throw new RuntimeException("Unable to locate mapping: " + the_path);
    } catch (javax.xml.transform.TransformerConfigurationException tce) {
        log.warn("Problem with XSL mapping", tce);
        throw (tce);
    }

}

---

From source file:org.kuali.rice.core.api.util.RiceUtilities.java

/**
 * Attempts to retrieve the resource stream.
 * /*  www .  ja v a  2  s . c  o  m*/
 * @param resourceLoc resource location; syntax supported by {@link DefaultResourceLoader} 
 * @return the resource stream or null if the resource could not be obtained
 * @throws MalformedURLException
 * @throws IOException
 * @see DefaultResourceLoader
 */
public static InputStream getResourceAsStream(String resourceLoc) throws MalformedURLException, IOException {
    Resource resource = getResource(resourceLoc);
    if (resource.exists()) {
        return resource.getInputStream();
    }
    return null;
}

---

From source file:org.kuali.rice.krad.datadictionary.DataDictionary.java

/**
 * Processes a given source for XML files to populate the dictionary with
 *
 * @param namespaceCode - namespace the beans loaded from the location should be associated with
 * @param sourceName - a file system or classpath resource locator
 * @throws IOException//  www .j  a  v a  2  s. co m
 */
protected void indexSource(String namespaceCode, String sourceName) throws IOException {
    if (sourceName == null) {
        throw new DataDictionaryException("Source Name given is null");
    }

    if (!sourceName.endsWith(".xml")) {
        Resource resource = getFileResource(sourceName);
        if (resource.exists()) {
            try {
                indexSource(namespaceCode, resource.getFile());
            } catch (IOException e) {
                // ignore resources that exist and cause an error here
                // they may be directories resident in jar files
                LOG.debug("Skipped existing resource without absolute file path");
            }
        } else {
            LOG.warn("Could not find " + sourceName);
            throw new DataDictionaryException("DD Resource " + sourceName + " not found");
        }
    } else {
        if (LOG.isDebugEnabled()) {
            LOG.debug("adding sourceName " + sourceName + " ");
        }

        Resource resource = getFileResource(sourceName);
        if (!resource.exists()) {
            throw new DataDictionaryException("DD Resource " + sourceName + " not found");
        }

        addModuleDictionaryFile(namespaceCode, sourceName);
    }
}

---

From source file:org.kuali.rice.test.RiceTestCase.java

/**
 * configures logging using custom properties file if specified, or the default one.
 * Log4j also uses any file called log4.properties in the classpath
 *
 * <p>To configure a custom logging file, set a JVM system property on using -D. For example
 * -Dalt.log4j.config.location=file:/home/me/kuali/test/dev/log4j.properties
 * </p>/*from   w w w . j  a v a  2  s. c om*/
 *
 * <p>The above option can also be set in the run configuration for the unit test in the IDE.
 * To avoid log4j using files called log4j.properties that are defined in the classpath, add the following system property:
 * -Dlog4j.defaultInitOverride=true
 * </p>
 * @throws IOException
 */
protected void configureLogging() throws IOException {
    ResourceLoader resourceLoader = new FileSystemResourceLoader();
    String altLog4jConfigLocation = System.getProperty(ALT_LOG4J_CONFIG_LOCATION_PROP);
    Resource log4jConfigResource = null;
    if (!StringUtils.isEmpty(altLog4jConfigLocation)) {
        log4jConfigResource = resourceLoader.getResource(altLog4jConfigLocation);
    }
    if (log4jConfigResource == null || !log4jConfigResource.exists()) {
        System.out.println("Alternate Log4j config resource does not exist! " + altLog4jConfigLocation);
        System.out.println("Using default log4j configuration: " + DEFAULT_LOG4J_CONFIG);
        log4jConfigResource = resourceLoader.getResource(DEFAULT_LOG4J_CONFIG);
    } else {
        System.out.println("Using alternate log4j configuration at: " + altLog4jConfigLocation);
    }
    Properties p = new Properties();
    p.load(log4jConfigResource.getInputStream());
    PropertyConfigurator.configure(p);
}

---

From source file:org.lightadmin.core.config.LightAdminWebApplicationInitializer.java

private ResourceServlet logoResourceServlet(ServletContext servletContext) {
    Resource resource = servletContextResourceLoader(servletContext)
            .getResource(LIGHT_ADMIN_CUSTOM_LOGO_LOCATION);
    if (resource.exists()) {
        return concreteResourceServlet(LIGHT_ADMIN_CUSTOM_LOGO_LOCATION);
    }/*  w  w  w .  j ava2 s .  c  om*/
    return concreteResourceServlet(resourceServletMapping(servletContext, LIGHT_ADMIN_DEFAULT_LOGO_LOCATION));
}

---

From source file:org.mifos.config.business.MifosConfigurationManager.java

private MifosConfigurationManager() {
    String defaultConfig = "org/mifos/config/resources/applicationConfiguration.default.properties";
    Properties props = new Properties();
    try {//from www . java  2  s .  c om
        InputStream applicationConfig = MifosResourceUtil.getClassPathResourceAsStream(defaultConfig);
        props.load(applicationConfig);

        ConfigurationLocator configurationLocator = new ConfigurationLocator();
        Resource customApplicationConfig = configurationLocator.getResource(CUSTOM_CONFIG_PROPS_FILENAME);
        if (customApplicationConfig.exists()) {
            InputStream is = customApplicationConfig.getInputStream();
            props.load(is);
            is.close();
        }
        LOGGER.info(
                "Dump of all configuration properties read by MifosConfigurationManager: " + props.toString());
    } catch (IOException e) {
        throw new MifosRuntimeException(e);
    }
    configuration = ConfigurationConverter.getConfiguration(props);
}

---

From source file:org.mifos.framework.util.ConfigurationLocator.java

/**
 * Will not throw an exception if the file is not found. This method may be
 * used to find files in cases where we don't care if the file cannot be
 * found.//from   w  ww . j  a  v a2s .  c o m
 * @throws IOException
 */
@SuppressWarnings("PMD")
// TODO It may be clearer if this returned an URI or URL instead of a String?
public String getCustomFilePath(String filename) throws IOException {
    String returnValue = filename;
    LOGGER.info("Checking existance of : " + filename);
    Resource configFile = getResource(filename);
    if (configFile != null && configFile.exists()) {
        returnValue = configFile.getURL().toExternalForm();
        LOGGER.info("Custom configuration file exists : " + returnValue);
    }
    return returnValue;
}

---

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