Examples with Document org.jdom.Document used on opensource projects

Example 16 with Document

use of org.jdom.Document in project ACS by ACS-Community.

the class FiltersVector method loadFilters.

/**
	 * Load filters 
	 * In case of errors an exception is thrown
	 * 
	 * @param f The xml file to parse (java.io.File) 
	 * @param eraseFilters If true existing filters will be deleted before loading
	 * @param fileName Is the name of the file (it is usually null and the name is
	 *                 read from the parameter f. However when this method is called
	 *                 recursively we need to pass the name because the file we're reading
	 *                 is a temporary file (generated by converting the original file)
	 * @throws <code>Exception</code> In case of error loading the filters
	 */
public void loadFilters(File f, boolean eraseFilters, String fileName) throws Exception {
    Document doc;
    FileInputStream fStream;
    fStream = new FileInputStream(f);
    JAXPDOMAdapter adapter = new JAXPDOMAdapter();
    DOMBuilder builder = new DOMBuilder();
    doc = builder.build(adapter.getDocument(fStream, false));
    Element root = doc.getRootElement();
    if (root.getName().compareToIgnoreCase("FILTER_LIST") != 0 && root.getName().compareToIgnoreCase("FILTERS") != 0) {
        // We show a message to the user and abort
        throw new Exception("Wrong xml file: the root is " + root.getName() + " instead of FILTER_LIST");
    } else if (root.getName().compareToIgnoreCase("FILTER_LIST") == 0) {
        // The file is an old version (show a message to the user to explain what's
        // happening and how to avoid this message appears again in future
        System.err.println("The format of this filter file is deprecated. \nSave the filters to avoid this message appears in future.");
        // Convert the format of the file
        File newFormatFile = convertOldFilterFile(f);
        if (newFormatFile == null) {
            // Something went wrong while converting: abort
            throw new Exception("Error converting the file to the new format");
        } else {
            // Recursively call loadFilters but now the file has
            // the new format
            loadFilters(newFormatFile, eraseFilters, f.getAbsolutePath());
            return;
        }
    }
    Element filtersElement = root.getChild("FILTER_LIST");
    // No filters defined
    if (filtersElement == null)
        return;
    List children = filtersElement.getChildren("FILTER");
    // Check if the vector has elements
    if (children == null || children.size() == 0) {
        return;
    }
    if (eraseFilters) {
        // The user whish to substitute the existing filters
        // with those he's loading
        clear();
    }
    // Read all the filters from the file
    Iterator it = children.iterator();
    while (it.hasNext()) {
        // Temporary Strings to store values read from the file
        String lethalStr = null;
        String notStr = null;
        String minStr = null;
        String maxStr = null;
        String exactStr = null;
        String wcharStr = null;
        String fieldStr = null;
        Boolean enabled = null;
        Element element = (Element) it.next();
        String type = element.getAttributeValue("type");
        Constraint constraint = Constraint.fromName(type);
        Element lethalElement = element.getChild("LETHAL");
        if (lethalElement != null) {
            lethalStr = lethalElement.getText();
        }
        Element notElement = element.getChild("APPLYNOT");
        if (notElement != null) {
            notStr = notElement.getText();
        }
        Element minElement = element.getChild("MIN");
        String minType = null;
        if (minElement != null) {
            minStr = minElement.getText();
            minType = minElement.getAttributeValue("class");
        }
        Element maxElement = element.getChild("MAX");
        String maxType = null;
        if (maxElement != null) {
            maxStr = maxElement.getText();
            maxType = maxElement.getAttributeValue("class");
        }
        Element exactElement = element.getChild("EXACT");
        String exactType = null;
        if (exactElement != null) {
            exactStr = exactElement.getText();
            exactType = exactElement.getAttributeValue("class");
        }
        Element wcharElement = element.getChild("WILDCHAR");
        if (wcharElement != null) {
            wcharStr = wcharElement.getText();
        }
        Element fieldElement = element.getChild("FIELD");
        if (fieldElement != null) {
            fieldStr = fieldElement.getText();
        }
        // Build the Field.
        LogField field = LogField.fromName(fieldStr);
        if (field == null) {
            // Ooops the field has not been found
            // Check if this String contains an Integer representing the
            // position of this field in the enum LogField (it was in the old format)
            Integer i = Integer.parseInt(fieldStr);
            field = LogField.values()[i];
        }
        Element enabledElement = element.getChild("ENABLED");
        if (enabledElement != null) {
            enabled = new Boolean(enabledElement.getText());
        } else {
            // Tag not found: enable the filter per default
            enabled = Boolean.TRUE;
        }
        // Build the filter
        Filter filter = Filter.buildFilter(constraint, field, lethalStr, notStr, minStr, minType, maxStr, maxType, exactStr, exactType, wcharStr);
        // bulidFilter throws an exception but ner return a null filter
        if (filter == null) {
            throw new IllegalStateException("The filter should not be null");
        }
        addFilter(filter, enabled);
    }
}

Example 17 with Document

use of org.jdom.Document in project gora by apache.

the class CassandraMappingManager method loadConfiguration.

/**
   * Primary class for loading Cassandra configuration from the 'MAPPING_FILE'.
   * 
   * @throws JDOMException
   * @throws IOException
   */
@SuppressWarnings("unchecked")
public void loadConfiguration() throws JDOMException, IOException {
    SAXBuilder saxBuilder = new SAXBuilder();
    // get mapping file
    InputStream inputStream = getClass().getClassLoader().getResourceAsStream(MAPPING_FILE);
    if (inputStream == null) {
        LOG.warn("Mapping file '" + MAPPING_FILE + "' could not be found!");
        throw new IOException("Mapping file '" + MAPPING_FILE + "' could not be found!");
    }
    Document document = saxBuilder.build(inputStream);
    if (document == null) {
        LOG.warn("Mapping file '" + MAPPING_FILE + "' could not be found!");
        throw new IOException("Mapping file '" + MAPPING_FILE + "' could not be found!");
    }
    Element root = document.getRootElement();
    // find cassandra keyspace element
    List<Element> keyspaces = root.getChildren(KEYSPACE_ELEMENT);
    if (keyspaces == null || keyspaces.size() == 0) {
        LOG.error("Error locating Cassandra Keyspace element!");
    } else {
        for (Element keyspace : keyspaces) {
            // log name, cluster and host for given keyspace(s)
            String keyspaceName = keyspace.getAttributeValue(NAME_ATTRIBUTE);
            String clusterName = keyspace.getAttributeValue(CLUSTER_ATTRIBUTE);
            String hostName = keyspace.getAttributeValue(HOST_ATTRIBUTE);
            if (LOG.isDebugEnabled()) {
                LOG.debug("Located Cassandra Keyspace: '" + keyspaceName + "' in cluster '" + clusterName + "' on host '" + hostName + "'.");
            }
            if (keyspaceName == null) {
                LOG.error("Error locating Cassandra Keyspace name attribute!");
                continue;
            }
            keyspaceMap.put(keyspaceName, keyspace);
        }
    }
    // load column definitions    
    List<Element> mappings = root.getChildren(MAPPING_ELEMENT);
    if (mappings == null || mappings.size() == 0) {
        LOG.error("Error locating Cassandra Mapping class element!");
    } else {
        for (Element mapping : mappings) {
            // associate persistent and class names for keyspace(s)
            String className = mapping.getAttributeValue(NAME_ATTRIBUTE);
            String keyClassName = mapping.getAttributeValue(KEYCLASS_ATTRIBUTE);
            String keyspaceName = mapping.getAttributeValue(KEYSPACE_ELEMENT);
            if (LOG.isDebugEnabled()) {
                LOG.debug("Located Cassandra Mapping: keyClass: '" + keyClassName + "' in storage class '" + className + "' for Keyspace '" + keyspaceName + "'.");
            }
            if (className == null) {
                LOG.error("Error locating Cassandra Mapping class name attribute!");
                continue;
            }
            mappingMap.put(className, mapping);
        }
    }
}

Example 18 with Document

use of org.jdom.Document in project gora by apache.

the class MongoMappingBuilder method fromFile.

/**
   * Load the {@link org.apache.gora.mongodb.store.MongoMapping} from a file
   * passed in parameter.
   * 
   * @param uri
   *          path to the file holding the mapping
   * @throws java.io.IOException
   */
protected void fromFile(String uri) throws IOException {
    try {
        SAXBuilder saxBuilder = new SAXBuilder();
        InputStream is = getClass().getResourceAsStream(uri);
        if (is == null) {
            String msg = "Unable to load the mapping from resource '" + uri + "' as it does not appear to exist! " + "Trying local file.";
            MongoStore.LOG.warn(msg);
            is = new FileInputStream(uri);
        }
        Document doc = saxBuilder.build(is);
        Element root = doc.getRootElement();
        // No need to use documents descriptions for now...
        // Extract class descriptions
        @SuppressWarnings("unchecked") List<Element> classElements = root.getChildren(TAG_CLASS);
        for (Element classElement : classElements) {
            final Class<T> persistentClass = dataStore.getPersistentClass();
            final Class<K> keyClass = dataStore.getKeyClass();
            if (haveKeyClass(keyClass, classElement) && havePersistentClass(persistentClass, classElement)) {
                loadPersistentClass(classElement, persistentClass);
                // only need that
                break;
            }
        }
    } catch (IOException ex) {
        MongoStore.LOG.error(ex.getMessage());
        MongoStore.LOG.error(ex.getStackTrace().toString());
        throw ex;
    } catch (Exception ex) {
        MongoStore.LOG.error(ex.getMessage());
        MongoStore.LOG.error(ex.getStackTrace().toString());
        throw new IOException(ex);
    }
}

Example 19 with Document

use of org.jdom.Document in project gora by apache.

the class HBaseStore method readMapping.

@SuppressWarnings("unchecked")
private HBaseMapping readMapping(String filename) throws IOException {
    HBaseMappingBuilder mappingBuilder = new HBaseMappingBuilder();
    try {
        SAXBuilder builder = new SAXBuilder();
        Document doc = builder.build(getClass().getClassLoader().getResourceAsStream(filename));
        Element root = doc.getRootElement();
        List<Element> tableElements = root.getChildren("table");
        for (Element tableElement : tableElements) {
            String tableName = tableElement.getAttributeValue("name");
            List<Element> fieldElements = tableElement.getChildren("family");
            for (Element fieldElement : fieldElements) {
                String familyName = fieldElement.getAttributeValue("name");
                String compression = fieldElement.getAttributeValue("compression");
                String blockCache = fieldElement.getAttributeValue("blockCache");
                String blockSize = fieldElement.getAttributeValue("blockSize");
                String bloomFilter = fieldElement.getAttributeValue("bloomFilter");
                String maxVersions = fieldElement.getAttributeValue("maxVersions");
                String timeToLive = fieldElement.getAttributeValue("timeToLive");
                String inMemory = fieldElement.getAttributeValue("inMemory");
                mappingBuilder.addFamilyProps(tableName, familyName, compression, blockCache, blockSize, bloomFilter, maxVersions, timeToLive, inMemory);
            }
        }
        List<Element> classElements = root.getChildren("class");
        boolean keyClassMatches = false;
        for (Element classElement : classElements) {
            if (classElement.getAttributeValue("keyClass").equals(keyClass.getCanonicalName()) && classElement.getAttributeValue("name").equals(persistentClass.getCanonicalName())) {
                LOG.debug("Keyclass and nameclass match.");
                keyClassMatches = true;
                String tableNameFromMapping = classElement.getAttributeValue("table");
                String tableName = getSchemaName(tableNameFromMapping, persistentClass);
                //tableNameFromMapping could be null here
                if (!tableName.equals(tableNameFromMapping)) {
                    //TODO this might not be the desired behavior as the user might have actually made a mistake.
                    LOG.warn("Mismatching schema's names. Mappingfile schema: '{}'. PersistentClass schema's name: '{}'. Assuming they are the same.", tableNameFromMapping, tableName);
                    if (tableNameFromMapping != null) {
                        mappingBuilder.renameTable(tableNameFromMapping, tableName);
                    }
                }
                mappingBuilder.setTableName(tableName);
                List<Element> fields = classElement.getChildren("field");
                for (Element field : fields) {
                    String fieldName = field.getAttributeValue("name");
                    String family = field.getAttributeValue("family");
                    String qualifier = field.getAttributeValue("qualifier");
                    mappingBuilder.addField(fieldName, family, qualifier);
                    mappingBuilder.addColumnFamily(tableName, family);
                }
                //do not continue on other class definitions
                break;
            }
        }
        if (!keyClassMatches)
            LOG.error("KeyClass in gora-hbase-mapping is not the same as the one in the databean.");
    } catch (MalformedURLException ex) {
        LOG.error("Error while trying to read the mapping file {}. " + "Expected to be in the classpath " + "(ClassLoader#getResource(java.lang.String)).", filename);
        LOG.error("Actual classpath = {}", Arrays.asList(((URLClassLoader) getClass().getClassLoader()).getURLs()));
        throw ex;
    } catch (IOException ex) {
        LOG.error(ex.getMessage(), ex);
        throw ex;
    } catch (Exception ex) {
        LOG.error(ex.getMessage(), ex);
        throw new IOException(ex);
    }
    return mappingBuilder.build();
}

Example 20 with Document

use of org.jdom.Document in project gora by apache.

the class GoraDynamoDBCompiler method readMapping.

/**
   * Reads the schema file and converts it into a data structure to be used
   * @param pMapFile
   *          schema file to be mapped into a table
   * @return
   * @throws IOException
   */
@SuppressWarnings("unchecked")
private DynamoDBMapping readMapping(File pMapFile) throws IOException {
    DynamoDBMappingBuilder mappingBuilder = new DynamoDBMappingBuilder();
    try {
        SAXBuilder builder = new SAXBuilder();
        Document doc = builder.build(pMapFile);
        if (doc == null || doc.getRootElement() == null)
            throw new GoraException("Unable to load " + MAPPING_FILE + ". Please check its existance!");
        Element root = doc.getRootElement();
        List<Element> tableElements = root.getChildren("table");
        boolean keys = false;
        for (Element tableElement : tableElements) {
            String tableName = tableElement.getAttributeValue("name");
            long readCapacUnits = Long.parseLong(tableElement.getAttributeValue("readcunit"));
            long writeCapacUnits = Long.parseLong(tableElement.getAttributeValue("writecunit"));
            this.packageName = tableElement.getAttributeValue("package");
            mappingBuilder.setProvisionedThroughput(tableName, readCapacUnits, writeCapacUnits);
            log.debug("Table properties have been set for name, package and provisioned throughput.");
            // Retrieving attributes
            List<Element> fieldElements = tableElement.getChildren("attribute");
            for (Element fieldElement : fieldElements) {
                String key = fieldElement.getAttributeValue("key");
                String attributeName = fieldElement.getAttributeValue("name");
                String attributeType = fieldElement.getAttributeValue("type");
                mappingBuilder.addAttribute(tableName, attributeName, attributeType);
                // Retrieving key's features
                if (key != null) {
                    mappingBuilder.setKeySchema(tableName, attributeName, key);
                    keys = true;
                }
            }
            log.debug("Attributes for table '{}' have been read.", tableName);
            if (!keys)
                log.warn("Keys for table '{}' have NOT been set.", tableName);
        }
    } catch (IOException ex) {
        log.error("Error while performing xml mapping.", ex.getMessage());
        throw new RuntimeException(ex);
    } catch (Exception ex) {
        log.error("An error occured whilst reading the xml mapping file!", ex.getMessage());
        throw new IOException(ex);
    }
    return mappingBuilder.build();
}