/*
* 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.isis.core.runtime.runner.opts;
import java.util.Enumeration;
import java.util.Map;
import javax.servlet.ServletContext;
import com.google.common.collect.Maps;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Options;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.isis.core.commons.configbuilder.IsisConfigurationBuilder;
import org.apache.isis.core.runtime.optionhandler.BootPrinter;
import org.apache.isis.core.runtime.optionhandler.OptionHandlerAbstract;
public class OptionHandlerInitParameters extends OptionHandlerAbstract {
private static final Logger LOG = LoggerFactory.getLogger(OptionHandlerInitParameters.class);
private final ServletContext servletContext;
public OptionHandlerInitParameters(ServletContext servletContext) {
this.servletContext = servletContext;
}
@Override
@SuppressWarnings("static-access")
public void addOption(final Options options) {
// no-op
}
@Override
public boolean handle(final CommandLine commandLine, final BootPrinter bootPrinter, final Options options) {
// no-op
return true;
}
@Override
public void prime(final IsisConfigurationBuilder isisConfigurationBuilder) {
Map<String,String> additionalProperties = asMap(servletContext);
LOG.info("priming configuration builder: " + additionalProperties.size() + " properties to prime");
addConfigurationProperties(isisConfigurationBuilder, additionalProperties);
}
private static Map<String, String> asMap(ServletContext servletContext) {
Enumeration<String> initParameterNames = servletContext.getInitParameterNames();
final Map<String,String> map = Maps.newTreeMap();
while(initParameterNames.hasMoreElements()) {
final String initParameterName = initParameterNames.nextElement();
final String initParameterValue = servletContext.getInitParameter(initParameterName);
if (initParameterName.startsWith("isis.")) {
map.put(initParameterName, initParameterValue);
}
}
return map;
}
private static void addConfigurationProperties(final IsisConfigurationBuilder isisConfigurationBuilder, final Map<String, String> additionalProperties) {
for (final String propertyKey : additionalProperties.keySet()) {
final String propertyValue = additionalProperties.get(propertyKey);
LOG.info("priming: " + propertyKey + "=" + propertyValue);
isisConfigurationBuilder.add(propertyKey, propertyValue);
}
}
}