74 lines
3.0 KiB
Java
74 lines
3.0 KiB
Java
/*
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* Copyright 2013 Robert von Burg <eitch@eitchnet.ch>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package li.strolch.runtime.configuration;
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import java.io.File;
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import java.text.MessageFormat;
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import li.strolch.runtime.configuration.ConfigurationSaxParser.ConfigurationBuilder;
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import ch.eitchnet.utils.dbc.DBC;
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import ch.eitchnet.utils.helper.XmlHelper;
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public class ConfigurationParser {
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public static final String STROLCH_CONFIGURATION_XML = "StrolchConfiguration.xml"; //$NON-NLS-1$
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// private static final Logger logger = LoggerFactory.getLogger(ConfigurationParser.class);
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public static StrolchConfiguration parseConfiguration(String environment, File rootPathF) {
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DBC.PRE.assertNotEmpty("environment value must be set!", environment); //$NON-NLS-1$
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DBC.PRE.assertNotNull("roothPath must be set!", rootPathF); //$NON-NLS-1$
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DBC.PRE.assertNotEquals("environment must be a value other than 'global'!", ConfigurationTags.ENV_GLOBAL, environment); //$NON-NLS-1$
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if (!rootPathF.isDirectory() || !rootPathF.canRead()) {
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String msg = "Root path is not readable at {0}"; //$NON-NLS-1$
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msg = MessageFormat.format(msg, rootPathF);
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throw new StrolchConfigurationException(msg);
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}
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File configPathF = new File(rootPathF, RuntimeConfiguration.PATH_CONFIG);
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if (!configPathF.isDirectory() || !configPathF.canRead()) {
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String msg = "Config path is not readable at {0}"; //$NON-NLS-1$
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msg = MessageFormat.format(msg, configPathF);
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throw new StrolchConfigurationException(msg);
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}
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File configurationFile = new File(configPathF, STROLCH_CONFIGURATION_XML);
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if (!configurationFile.isFile() || !configurationFile.canRead()) {
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String msg = "Configuration file is not readable at {0}"; //$NON-NLS-1$
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msg = MessageFormat.format(msg, configurationFile);
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throw new StrolchConfigurationException(msg);
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}
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// parse the configuration file
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ConfigurationSaxParser configurationParser = new ConfigurationSaxParser(environment);
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XmlHelper.parseDocument(configurationFile, configurationParser);
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ConfigurationBuilder globalEnvBuilder = configurationParser.getGlobalEnvBuilder();
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ConfigurationBuilder envBuilder = configurationParser.getEnvBuilder();
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if (envBuilder == null) {
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String msg = "The environment {0} does not exist!"; //$NON-NLS-1$
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msg = MessageFormat.format(msg, environment);
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throw new StrolchConfigurationException(msg);
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}
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globalEnvBuilder.merge(envBuilder);
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StrolchConfiguration strolchConfiguration = globalEnvBuilder.build(rootPathF);
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return strolchConfiguration;
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}
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}
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