| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.openejb.assembler.classic; |
| |
| import org.apache.openejb.OpenEJBRuntimeException; |
| import org.apache.openejb.loader.SystemInstance; |
| import org.apache.openejb.util.LogCategory; |
| import org.apache.openejb.util.Logger; |
| |
| import javax.sql.DataSource; |
| import java.io.BufferedInputStream; |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.net.URL; |
| import java.sql.Connection; |
| import java.sql.SQLException; |
| import java.sql.SQLWarning; |
| import java.sql.Statement; |
| import java.util.Enumeration; |
| import java.util.Locale; |
| |
| public class ImportSql { |
| private static final Logger LOGGER = Logger.getInstance(LogCategory.OPENEJB, EntityManagerFactoryCallable.class.getName()); |
| |
| public static final String OPENEJB_SQL_IMPORT = "openejb.sql.import"; |
| |
| public static final String IMPORT_FILE_PREFIX = "import-"; |
| public static final String IMPORT_FILE_EXTENSION = ".sql"; |
| |
| private final DataSource dataSource; |
| private boolean done; |
| private final Enumeration<URL> imports; |
| |
| public ImportSql(final ClassLoader cl, final String resource, final DataSource ds) { |
| dataSource = ds; |
| done = false; |
| |
| if (dataSource == null) { |
| throw new NullPointerException("datasource can't be null"); |
| } |
| |
| try { |
| imports = cl.getResources(IMPORT_FILE_PREFIX.concat(resource).concat(IMPORT_FILE_EXTENSION)); |
| } catch (final IOException e) { |
| throw new OpenEJBRuntimeException("can't look for init sql script", e); |
| } |
| } |
| |
| public boolean hasSomethingToImport() { |
| return !done && imports != null && imports.hasMoreElements() && SystemInstance.get().getOptions().get(OPENEJB_SQL_IMPORT, true); |
| } |
| |
| public void doImport() { |
| final Statement statement; |
| if (hasSomethingToImport()) { |
| Connection connection = null; |
| try { |
| connection = dataSource.getConnection(); |
| statement = connection.createStatement(); |
| } catch (final SQLException e) { |
| LOGGER.error("can't create a statement, import scripts will be ignored", e); |
| if (connection != null) { |
| try { |
| connection.close(); |
| } catch (final SQLException ignored) { |
| // no-op |
| } |
| } |
| return; |
| } |
| |
| try { |
| while (imports.hasMoreElements()) { |
| final URL scriptToImport = imports.nextElement(); |
| LOGGER.info("importing " + scriptToImport.toExternalForm()); |
| |
| importSql(scriptToImport, statement); |
| } |
| } finally { |
| try { |
| connection.close(); |
| } catch (final SQLException e) { |
| // ignored |
| } |
| done = true; |
| } |
| } |
| } |
| |
| private void importSql(final URL script, final Statement statement) { |
| final BufferedReader bufferedReader; |
| try { |
| bufferedReader = new BufferedReader(new InputStreamReader(new BufferedInputStream(script.openStream()))); |
| } catch (final IOException e) { |
| LOGGER.error("can't open " + script.toExternalForm(), e); |
| return; |
| } |
| |
| try { |
| for (String sql = bufferedReader.readLine(); sql != null; sql = bufferedReader.readLine()) { |
| String trimmedSql = sql.trim(); |
| |
| // empty or comment |
| if (trimmedSql.isEmpty() || trimmedSql.startsWith("--") || trimmedSql.startsWith("//") || trimmedSql.startsWith("/*")) { |
| continue; |
| } |
| |
| if (trimmedSql.endsWith(";")) { |
| trimmedSql = trimmedSql.substring(0, trimmedSql.length() - 1); |
| } |
| |
| try { |
| if (!trimmedSql.toLowerCase(Locale.ENGLISH).startsWith("select")) { |
| statement.executeUpdate(trimmedSql); |
| } else { // why could it be the case? |
| statement.executeQuery(trimmedSql); |
| } |
| |
| SQLWarning warnings = statement.getWarnings(); |
| while (warnings != null) { |
| LOGGER.warning(warnings.getMessage()); |
| warnings = warnings.getNextWarning(); |
| } |
| } catch (final SQLException e) { |
| LOGGER.error("error importing script " + script.toExternalForm(), e); |
| } |
| } |
| } catch (final IOException e) { |
| LOGGER.error("can't import " + script.toExternalForm(), e); |
| } |
| } |
| } |