/*******************************************************************************
* Copyright 2009, 2010 Innovation Gate GmbH
*
* 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 de.innovationgate.wga.modules.options;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import org.apache.log4j.Logger;
import de.innovationgate.utils.WGUtils;
import de.innovationgate.wga.modules.LocalisationBundleLoader;
import de.innovationgate.wga.modules.ModuleDefinition;
import de.innovationgate.wga.modules.ModuleRegistry;
import de.innovationgate.wga.modules.ModuleType;
import de.innovationgate.wga.modules.types.WorkflowEngineModuleType;
/**
* A generic value provider providing titles and implementation classes of a given module type as as title/values
*
*/
public abstract class ModuleDefinitionsValueProvider implements OptionValueProvider {
private ModuleRegistry _reg;
private Class<? extends ModuleType> _moduleType;
public ModuleDefinitionsValueProvider(ModuleRegistry reg, Class<? extends ModuleType> moduleType) {
_reg = reg;
_moduleType = moduleType;
}
public List<String> getProvidedValues() {
List<String> engines = new ArrayList<String>();
Iterator<ModuleDefinition> types = _reg.getModulesForType(_moduleType).values().iterator();
while (types.hasNext()) {
ModuleDefinition moduleDefinition = (ModuleDefinition) types.next();
engines.add(moduleDefinition.getImplementationClass().getName());
}
return engines;
}
public String getValueTitle(String value, Locale locale) {
try {
ModuleDefinition def = _reg.getModuleDefinition(_moduleType.getName(), value);
if (def != null) {
return def.getTitle(locale);
}
else {
return value;
}
}
catch (Exception e) {
Logger.getLogger("wga.modules").error("Exception retrieving title for module implementation" + value + " (type " + _moduleType.getName() +")", e);
return value;
}
}
}