Examples of org.infinispan.util.FileLookup

org.infinispan.util.FileLookup
Holds the logic of looking up a file, in the following sequence:
1. try to load it with the current thread's context ClassLoader
2. if fails, the system ClassLoader
3. if fails, try to load it as a file from the disk
Use {@link FileLookupFactory} to obtain an instance of {@link FileLookup}. This will result in an extended version of {@link FileLookup} being used if in an OSGI environment.
@author Mircea.Markus@jboss.com @author Pete Muir @since 4.0

      boolean validating = !skipSchemaValidation();
      if (!validating)
         return null;


      //1. resolve given path
      FileLookup fileLookup = FileLookupFactory.newInstance();
      InputStream is;
      if (localPathToSchema != null) {
         // Schema's are always stored in Infinispan
         is = fileLookup.lookupFile(localPathToSchema, null);
         if (is != null) {
            log.debugf("Using schema %s", localPathToSchema);
            return is;
         }
         if (log.isDebugEnabled()) {
            log.debugf("Could not find schema on path %s, resolving %s to %s",
                       localPathToSchema, SCHEMA_SYSTEM_PROPERTY, schemaPath());
         }
      }


      //2. resolve local schema path in infinispan distro
      is = fileLookup.lookupFile(schemaPath(), null);
      if (is != null) {
         log.debugf("Using schema %s", schemaPath());
         return is;
      }
      if (log.isDebugEnabled()) {

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   }


   private static InputStream findInputStream(String fileName, ClassLoader cl) throws FileNotFoundException {
      if (fileName == null)
         throw new NullPointerException("File name cannot be null!");
      FileLookup fileLookup = FileLookupFactory.newInstance();
      InputStream is = fileLookup.lookupFile(fileName, cl);
      if (is == null)
         throw new FileNotFoundException("File " + fileName
                 + " could not be found, either on the classpath or on the file system!");
      return is;
   }

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    *        look it up in the class path) or an url to a file.
    * @return ConfigurationBuilderHolder with all the values applied and 
    *         overridden according to ordering of files
    */
   public ConfigurationBuilderHolder parseFiles(List<String> filenames) {
       FileLookup fileLookup = FileLookupFactory.newInstance();
       List<InputStream> streams = new ArrayList<InputStream>(filenames.size());
       for (String filename : filenames) {
           streams.add(fileLookup.lookupFile(filename, cl));
       }
       return parse(streams);
   }

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         }


         if (channel == null && props.containsKey(CONFIGURATION_FILE)) {
            cfg = props.getProperty(CONFIGURATION_FILE);
            try {
               channel = new JChannel(new FileLookup().lookupFileLocation(cfg));
            } catch (Exception e) {
               log.error("Error while trying to create a channel using config files: " + cfg);
               throw new CacheException(e);
            }
         }


         if (channel == null && props.containsKey(CONFIGURATION_XML)) {
            cfg = props.getProperty(CONFIGURATION_XML);
            try {
               channel = new JChannel(XmlConfigHelper.stringToElement(cfg));
            } catch (Exception e) {
               log.error("Error while trying to create a channel using config XML: " + cfg);
               throw new CacheException(e);
            }
         }


         if (channel == null && props.containsKey(CONFIGURATION_STRING)) {
            cfg = props.getProperty(CONFIGURATION_STRING);
            try {
               channel = new JChannel(cfg);
            } catch (Exception e) {
               log.error("Error while trying to create a channel using config string: " + cfg);
               throw new CacheException(e);
            }
         }
      }


      if (channel == null) {
         log.info("Unable to use any JGroups configuration mechanisms provided in properties {0}.  Using default JGroups configuration!", props);
         try {
            channel = new JChannel(new FileLookup().lookupFileLocation(DEFAULT_JGROUPS_CONFIGURATION_FILE));
         } catch (ChannelException e) {
            throw new CacheException("Unable to start JGroups channel", e);
         }
      }
   }

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      String cfg;
      if (props != null) {
         if (props.containsKey(CONFIGURATION_FILE)) {
            cfg = props.getProperty(CONFIGURATION_FILE);
            try {
               channel = new JChannel(new FileLookup().lookupFileLocation(cfg));
            } catch (Exception e) {
               log.error("Error while trying to create a channel using config files: " + cfg);
               throw new CacheException(e);
            }
         }


         if (props.containsKey(CONFIGURATION_XML)) {
            cfg = props.getProperty(CONFIGURATION_XML);
            try {
               channel = new JChannel(XmlConfigHelper.stringToElement(cfg));
            } catch (Exception e) {
               log.error("Error while trying to create a channel using config XML: " + cfg);
               throw new CacheException(e);
            }
         }


         if (props.containsKey(CONFIGURATION_STRING)) {
            cfg = props.getProperty(CONFIGURATION_STRING);
            try {
               channel = new JChannel(cfg);
            } catch (Exception e) {
               log.error("Error while trying to create a channel using config string: " + cfg);
               throw new CacheException(e);
            }
         }
      }


      if (channel == null) {
         log.info("Unable to use any JGroups configuration mechanisms provided in properties {0}.  Using default JGroups configuration!", props);
         try {
            channel = new JChannel(new FileLookup().lookupFileLocation(DEFAULT_JGROUPS_CONFIGURATION_FILE));
         } catch (ChannelException e) {
            throw new CacheException("Unable to start JGroups channel", e);
         }
      }
   }

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      initialize(inputStream);
   }


   public void initialize(String fileName) throws IOException {
      if (fileName == null) throw new NullPointerException("File name cannot be null!");
      FileLookup fileLookup = new FileLookup();
      InputStream is = fileLookup.lookupFile(fileName);
      if (is == null)
         throw new FileNotFoundException("File " + fileName + " could not be found, either on the classpath or on the file system!");
      initialize(is);
   }

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   private static final String JBOSS_CACHE3X = "JBossCache3x";
   public static final String[] SUPPORTED_FORMATS = {JBOSS_CACHE3X};


   public void parse(InputStream is, OutputStream os, String xsltFile) throws Exception {
      InputStream xsltInStream = new FileLookup().lookupFile(xsltFile);
      if (xsltInStream == null) {
         throw new IllegalStateException("Cold not find xslt file! : " + xsltFile);
      }


      Document document = getInputDocument(is);


      // Use a Transformer for output
      Transformer transformer = getTransformer(xsltInStream);


      DOMSource source = new DOMSource(document);
      ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
      StreamResult result = new StreamResult(byteArrayOutputStream);
      transformer.transform(source, result);


      InputStream indentation = new FileLookup().lookupFile("xslt/indent.xslt");
      // Use a Transformer for output
      transformer = getTransformer(indentation);
      StreamResult finalResult = new StreamResult(os);
      StreamSource rawResult = new StreamSource(new ByteArrayInputStream(byteArrayOutputStream.toByteArray()));
      transformer.transform(rawResult, finalResult);

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    * Writes to the <b>os</b> the infinispan 4.x configuration file resulted by transforming configuration file passed
    * in as <b>inputFile</b>. Transformation is performed according to the <b>xsltFile</b>. Both <b>inputFile</b> and he
    * xslt file are looked up using a {@link org.jboss.cache.util.FileLookup}
    */
   public void parse(String inputFile, OutputStream os, String xsltFile) throws Exception {
      InputStream stream = new FileLookup().lookupFile(inputFile);
      try {
         parse(stream, os, xsltFile);
      }
      finally {
         stream.close();

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         configBeans = getConfigBeans();
         configBeans.add(TypedProperties.class);
         configBeans.add(InfinispanConfiguration.class);


         XMLTreeOutputWalker tw = new XMLTreeOutputWalker(sb);
         FileLookup fl = new FileLookup();
         InputStream file = fl.lookupFile("schema/infinispan-config-" + Version.getMajorVersion() + ".xsd");
         XSOMParser reader = new XSOMParser();
         reader.parse(file);
         XSSchemaSet xss = reader.getResult();
         XSOMSchemaTreeWalker w = new XSOMSchemaTreeWalker(xss.getSchema(1), "infinispan");
         TreeNode root = w.getRoot();

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         }


         if (channel == null && props.containsKey(CONFIGURATION_FILE)) {
            cfg = props.getProperty(CONFIGURATION_FILE);
            try {
               channel = new JChannel(new FileLookup().lookupFileLocation(cfg));
            } catch (Exception e) {
               log.error("Error while trying to create a channel using config files: " + cfg);
               throw new CacheException(e);
            }
         }


         if (channel == null && props.containsKey(CONFIGURATION_XML)) {
            cfg = props.getProperty(CONFIGURATION_XML);
            try {
               channel = new JChannel(XmlConfigHelper.stringToElement(cfg));
            } catch (Exception e) {
               log.error("Error while trying to create a channel using config XML: " + cfg);
               throw new CacheException(e);
            }
         }


         if (channel == null && props.containsKey(CONFIGURATION_STRING)) {
            cfg = props.getProperty(CONFIGURATION_STRING);
            try {
               channel = new JChannel(cfg);
            } catch (Exception e) {
               log.error("Error while trying to create a channel using config string: " + cfg);
               throw new CacheException(e);
            }
         }
      }


      if (channel == null) {
         log.info("Unable to use any JGroups configuration mechanisms provided in properties %s.  Using default JGroups configuration!", props);
         try {
            channel = new JChannel(new FileLookup().lookupFileLocation(DEFAULT_JGROUPS_CONFIGURATION_FILE));
         } catch (ChannelException e) {
            throw new CacheException("Unable to start JGroups channel", e);
         }
      }
   }

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