OptionHandlerConfiguration.java

/*
 *  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 static org.apache.isis.core.runtime.runner.Constants.CONFIGURATION_LONG_OPT;
import static org.apache.isis.core.runtime.runner.Constants.CONFIGURATION_OPT;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.cli.Options;

import org.apache.isis.core.commons.config.IsisConfigurationDefault;
import org.apache.isis.core.commons.configbuilder.IsisConfigurationBuilder;
import org.apache.isis.core.commons.config.NotFoundPolicy;
import org.apache.isis.core.runtime.optionhandler.BootPrinter;
import org.apache.isis.core.runtime.optionhandler.OptionHandlerAbstract;
import org.apache.isis.core.runtime.runner.Constants;

public class OptionHandlerConfiguration extends OptionHandlerAbstract {

    private String configurationResource;

    @Override
    @SuppressWarnings("static-access")
    public void addOption(final Options options) {
        final Option option = OptionBuilder.withArgName("config file").hasArg().withLongOpt(CONFIGURATION_LONG_OPT).withDescription("read in configuration file (as well as isis.properties)").create(CONFIGURATION_OPT);
        options.addOption(option);
    }

    @Override
    public boolean handle(final CommandLine commandLine, final BootPrinter bootPrinter, final Options options) {
        configurationResource = commandLine.getOptionValue(Constants.CONFIGURATION_OPT);
        return true;
    }

    @Override
    public void prime(final IsisConfigurationBuilder isisConfigurationBuilder) {
        if (configurationResource == null) {
            return;
        }
        isisConfigurationBuilder.addConfigurationResource(configurationResource, NotFoundPolicy.FAIL_FAST, IsisConfigurationDefault.ContainsPolicy.IGNORE);
    }

}