diff options
Diffstat (limited to 'sca-java-1.x/tags/java-M1-final/java/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/CommandFactoryImpl.java')
-rw-r--r-- | sca-java-1.x/tags/java-M1-final/java/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/CommandFactoryImpl.java | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-final/java/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/CommandFactoryImpl.java b/sca-java-1.x/tags/java-M1-final/java/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/CommandFactoryImpl.java new file mode 100644 index 0000000000..25c2223f13 --- /dev/null +++ b/sca-java-1.x/tags/java-M1-final/java/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/CommandFactoryImpl.java @@ -0,0 +1,77 @@ +/** + * + * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. + * + * Licensed 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.tuscany.das.rdb.impl; + +import java.io.IOException; +import java.io.InputStream; + +import org.apache.tuscany.das.rdb.ApplyChangesCommand; +import org.apache.tuscany.das.rdb.Command; +import org.apache.tuscany.das.rdb.CommandFactory; +import org.apache.tuscany.das.rdb.config.Config; +import org.apache.tuscany.das.rdb.util.ConfigUtil; + +public class CommandFactoryImpl implements CommandFactory { + + public Command createCommand(String sql) { + return baseCreateCommand(sql, null); + } + + public Command createCommand(String sql, InputStream configStream) { + return baseCreateCommand(sql, ConfigUtil.loadConfig(configStream)); + } + + public Command createCommand(String sql, Config config) { + return baseCreateCommand(sql, config); + } + + public ApplyChangesCommand createApplyChangesCommand() { + return new ApplyChangesCommandImpl(); + } + + public ApplyChangesCommand createApplyChangesCommand(InputStream configStream) throws IOException { + return new ApplyChangesCommandImpl(ConfigUtil.loadConfig(configStream)); + } + + public ApplyChangesCommand createApplyChangesCommand(Config config) { + return new ApplyChangesCommandImpl(config); + } + + // Utilities + + private Command baseCreateCommand(String sql, Config config) { + + sql = sql.trim(); // Remove leading white space + char firstChar = Character.toUpperCase(sql.charAt(0)); + switch (firstChar) { + case 'S': + return new ReadCommandImpl(sql, config); + case 'I': + return new InsertCommandImpl(sql); + case 'U': + return new UpdateCommandImpl(sql); + case 'D': + return new DeleteCommandImpl(sql); + case '{': + return new SPCommandImpl(sql, config); + default: + throw new Error("SQL => " + sql + " is not valid"); + } + + } + +} |