/*
* Copyright 2007-2008 the original author or authors.
*
* 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.impalaframework.module.type;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import org.impalaframework.module.ModuleDefinition;
import org.impalaframework.module.definition.SimpleModuleDefinition;
import org.impalaframework.module.spi.ModuleElementNames;
import org.impalaframework.module.spi.TypeReader;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
import org.w3c.dom.Element;
public class ApplicationModuleTypeReader implements TypeReader {
/**
* Constructs new {@link ModuleDefinition} from the supplied properties
*/
public ModuleDefinition readModuleDefinition(ModuleDefinition parent, String moduleName, Properties properties) {
Assert.notNull(moduleName, "moduleName cannot be null");
Assert.notNull(properties, "properties cannot be null");
String[] locationsArray = TypeReaderUtils.readContextLocations(properties);
String[] dependencyNames = TypeReaderUtils.readDependencyNames(properties);
Map<String,String> attributes = TypeReaderUtils.readAttributes(properties);
String runtime = properties.getProperty(ModuleElementNames.RUNTIME_ELEMENT);
String type = properties.getProperty(ModuleElementNames.TYPE_ELEMENT);
return newDefinition(parent, moduleName, type, locationsArray, dependencyNames, attributes, runtime);
}
/**
* Constructs new {@link ModuleDefinition} from XML using the supplied {@link Element} instance.
*/
public ModuleDefinition readModuleDefinition(ModuleDefinition parent,
String moduleName,
Element definitionElement) {
List<String> configLocations = TypeReaderUtils.readContextLocations(definitionElement);
List<String> dependencyNames = TypeReaderUtils.readDependencyNames(definitionElement);
Map<String,String> attributes = TypeReaderUtils.readAttributes(definitionElement);
String runtime = TypeReaderUtils.readRuntime(definitionElement);
String type = TypeReaderUtils.readType(definitionElement);
return newDefinition(parent, moduleName,
type,
configLocations.toArray(new String[0]),
dependencyNames.toArray(new String[0]),
attributes, runtime);
}
/**
* Populates the supplied {@link ModuleDefinition} properties from the supplied XML {@link Element}
*/
public void readModuleDefinitionProperties(Properties properties,
String moduleName,
Element definitionElement) {
List<String> configLocations = TypeReaderUtils.readContextLocations(definitionElement);
properties.setProperty(ModuleElementNames.CONFIG_LOCATIONS_ELEMENT, StringUtils.collectionToCommaDelimitedString(configLocations));
List<String> dependencyNames = TypeReaderUtils.readDependencyNames(definitionElement);
properties.put(ModuleElementNames.DEPENDENCIES_ELEMENT, StringUtils.collectionToCommaDelimitedString(dependencyNames));
}
protected ModuleDefinition newDefinition(ModuleDefinition parent,
String moduleName,
String type,
String[] locationsArray,
String[] dependencyNames,
Map<String, String> attributes, String runtime) {
return new SimpleModuleDefinition(parent, moduleName, type, locationsArray, dependencyNames, attributes, runtime);
}
}