Example usage for org.apache.commons.digester Digester getDocumentLocator

Introduction

In this page you can find the example usage for org.apache.commons.digester Digester getDocumentLocator.

Prototype

public Locator getDocumentLocator() 

Source Link

Document

Gets the document locator associated with our parser.

Usage

From source file:ca.sqlpower.architect.ProjectLoader.java

/**
 * Loads the project data from the given input stream.
 * <p>/*from  ww w .jav  a 2  s  . c om*/
 * Note: the input stream is always closed afterwards.
 *
 * @param in
 *            Used to load in the project data, must support mark.
 * @param dataSources
 *            Collection of the data sources used in the project
 */
public void load(InputStream in, DataSourceCollection<? extends SPDataSource> dataSources,
        ArchitectSession messageDelegate) throws IOException, SQLObjectException {
    UnclosableInputStream uin = new UnclosableInputStream(in);
    siblingSession = messageDelegate;
    try {
        dbcsLoadIdMap = new HashMap<String, JDBCDataSource>();
        sqlObjectLoadIdMap = new HashMap<String, SQLObject>();

        Digester digester = null;

        // use digester to read from file
        try {
            digester = setupDigester();
            digester.parse(uin);
        } catch (SAXException ex) {
            //The digester likes to wrap the cancelled exception in a SAXException.
            if (ex.getException() instanceof DigesterCancelledException) {
                //Digeseter was cancelled by the user. Do not load anything.
                throw new RuntimeException(new InterruptedIOException("progress"));
            }
            logger.error("SAX Exception in project file parse!", ex);
            String message;
            if (digester == null) {
                message = "Couldn't create an XML parser";
            } else {
                message = "There is an XML parsing error in project file at Line:"
                        + digester.getDocumentLocator().getLineNumber() + " Column:"
                        + digester.getDocumentLocator().getColumnNumber();
            }
            throw new SQLObjectException(message, ex);
        } catch (IOException ex) {
            logger.error("IO Exception in project file parse!", ex);
            throw new SQLObjectException("There was an I/O error while reading the file", ex);
        } catch (Exception ex) {
            logger.error("General Exception in project file parse!", ex);
            throw new SQLObjectException("Unexpected Exception", ex);
        }

        SQLObject dbConnectionContainer = ((SQLObject) getSession().getRootObject());

        // hook up data source parent types
        for (SQLDatabase db : dbConnectionContainer.getChildren(SQLDatabase.class)) {
            JDBCDataSource ds = db.getDataSource();
            String parentTypeId = ds.getPropertiesMap().get(JDBCDataSource.DBCS_CONNECTION_TYPE);
            if (parentTypeId != null) {
                for (JDBCDataSourceType dstype : dataSources.getDataSourceTypes()) {
                    if (dstype.getName().equals(parentTypeId)) {
                        ds.setParentType(dstype);
                        // TODO unit test that this works
                    }
                }
                if (ds.getParentType() == null) {
                    logger.error("Data Source \"" + ds.getName() + "\" has type \"" + parentTypeId
                            + "\", which is not configured in the user prefs.");
                    // TODO either reconstruct the parent type, or bring this problem to the attention of the user.
                    // TODO test this
                } else {
                    // TODO test that the referenced parent type is properly configured (has a driver, etc)
                    // TODO test for this behaviour
                }
            }

        }

        /*
         * for backward compatibilty, in the old project file, we have
         * primaryKeyName in the table attrbute, but nothing
         * in the sqlIndex that indicates primary key index,
         * so, we have to set the index as primary key index
         * if the index name == table.primaryKeyName after load the project,
         * table.primaryKeyName is save in the map now, not in the table object
         */
        for (SQLTable table : (List<SQLTable>) getSession().getTargetDatabase().getTables()) {

            if (logger.isDebugEnabled()) {
                if (!table.isPopulated()) {
                    logger.debug("Table [" + table.getName() + "] not populated");
                } else {
                    logger.debug(
                            "Table [" + table.getName() + "] index folder contents: " + table.getIndices());
                }
            }

            if (table.getPrimaryKeyIndex() == null) {
                logger.debug("primary key index is null in table: " + table);
                logger.debug("number of children found in indices folder: " + table.getIndices().size());
                for (SQLIndex index : table.getIndices()) {
                    if (sqlObjectLoadIdMap.get(table.getName() + "." + index.getName()) != null) {
                        table.getPrimaryKeyIndex().updateToMatch(index);
                        break;
                    }
                }
            }
            logger.debug("Table [" + table.getName() + "]2 index folder contents: " + table.getIndices());
            logger.debug("Table [" + table.getName() + "]3 index folder contents: " + table.getIndices());

            if (logger.isDebugEnabled()) {
                if (!table.isPopulated()) {
                    logger.debug("Table [" + table.getName() + "] not populated");
                } else {
                    logger.debug("Table [" + table.getName() + "] index folder contents: "
                            + table.getIndices().size());
                }
            }

        }

        /*
         * In old versions of the architect, user defined types weren't
         * available, so all columns stored their type as a JDBC type code.
         * For all columns in the playpen, we need to hook up upstream user
         * defined types.
         */
        ListMultimap<String, SQLColumn> columns = ArrayListMultimap.create();
        for (SQLTable table : getSession().getTargetDatabase().getTables()) {
            for (SQLColumn column : table.getChildren(SQLColumn.class)) {
                SQLColumn sourceColumn = column.getSourceColumn();
                if (sourceColumn != null && sourceColumn.getPlatform() != null) {
                    columns.put(column.getSourceColumn().getPlatform(), column);
                } else {
                    columns.put(SQLTypePhysicalPropertiesProvider.GENERIC_PLATFORM, column);
                }
            }
        }
        for (String platform : columns.keySet()) {
            SQLColumn.assignTypes(columns.get(platform), dataSources, platform,
                    new DefaultUserPrompterFactory());
        }

        setModified(false);
    } finally {
        uin.forceClose();
    }
}

---