/*
* 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.tuscany.das.rdb.util;
import java.io.IOException;
import java.io.InputStream;
import java.util.Iterator;
import java.util.List;
import org.apache.tuscany.das.rdb.config.Command;
import org.apache.tuscany.das.rdb.config.Config;
import org.apache.tuscany.das.rdb.config.ConfigFactory;
import org.apache.tuscany.das.rdb.config.Create;
import org.apache.tuscany.das.rdb.config.Delete;
import org.apache.tuscany.das.rdb.config.Parameter;
import org.apache.tuscany.das.rdb.config.Update;
import commonj.sdo.helper.HelperContext;
import commonj.sdo.helper.XMLHelper;
import commonj.sdo.impl.HelperProvider;
/**
* Config util provides config-related utilities such as loading a Config
* instance from an InputStream
*
*/
public final class ConfigUtil {
private ConfigUtil() {
}
public static Config loadConfig(InputStream configStream) {
if (configStream == null) {
throw new RuntimeException("Cannot load configuration from a null InputStream. "
+ "Possibly caused by an incorrect config xml file name");
}
HelperContext context = HelperProvider.getDefaultContext();
ConfigFactory.INSTANCE.register(context);
XMLHelper helper = context.getXMLHelper();
try {
return (Config) helper.load(configStream).getRootObject();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public static String getParameters(Create createCommand) {
List parameters = createCommand.getParameters().getParameter();
if(parameters != null) {
Iterator itr = parameters.iterator();
StringBuffer serializedParameters = new StringBuffer();
while(itr.hasNext()) {
serializedParameters.append(((Parameter)itr.next()).getName()+" ");
}
return serializedParameters.toString().trim();
}
else {
return null;
}
}
public static String getParameters(Update updateCommand) {
List parameters = updateCommand.getParameters().getParameter();
if(parameters != null) {
Iterator itr = parameters.iterator();
StringBuffer serializedParameters = new StringBuffer();
while(itr.hasNext()) {
serializedParameters.append(((Parameter)itr.next()).getName()+" ");
}
return serializedParameters.toString().trim();
}
else {
return null;
}
}
public static String getParameters(Delete deleteCommand) {
List parameters = deleteCommand.getParameters().getParameter();
if(parameters != null) {
Iterator itr = parameters.iterator();
StringBuffer serializedParameters = new StringBuffer();
while(itr.hasNext()) {
serializedParameters.append(((Parameter)itr.next()).getName()+" ");
}
return serializedParameters.toString().trim();
}
else {
return null;
}
}
public static String getParameters(Command command) {
List parameters = command.getParameter();
if(parameters != null) {
Iterator itr = parameters.iterator();
StringBuffer serializedParameters = new StringBuffer();
while(itr.hasNext()) {
serializedParameters.append(((Parameter)itr.next()).getName()+" ");
}
return serializedParameters.toString().trim();
}
else {
return null;
}
}
}