/**

  * Alt2XML

  * Copyright © 2014 František Kučera (frantovo.cz)

  *

  * This program is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, version 3 of the License.

  *

  * This program is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  * GNU General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with this program. If not, see <http://www.gnu.org/licenses/>.

  */

 package cz.frantovo.alt2xml.cli;

 import java.io.File;

 import java.io.FileInputStream;

 import java.io.FileNotFoundException;

 import java.io.InputStream;

 import java.io.OutputStream;

 import java.util.ArrayList;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Map;

 import java.util.Properties;

 import java.util.logging.Level;

 import java.util.logging.LogRecord;

 import java.util.logging.Logger;

 import org.xml.sax.InputSource;

 /**

  * Holds options from command line, validates them, combines with configuration and provides derived

  * objects.

  *

  * @author Ing. František Kučera (frantovo.cz)

  */

 public class CLIOptions {

 	private static final Logger log = Logger.getLogger(CLIOptions.class.getName());

 	private File inputFile;

 	private InputStream inputStream;

 	private String systemId;

 	private final Properties readerProperties = new Properties();

 	private final Map<String, Boolean> readerFeatures = new HashMap<>();

 	private OutputStream outputStream;

 	private String action;

 	private final Properties actionProperties = new Properties();

 	private final List<String> actionData = new ArrayList<>();

 	public void validate() throws InvalidOptionsException {

 		InvalidOptionsException e = new InvalidOptionsException();

 		if (inputFile == null && systemId == null) {

 			e.addProblem(new InvalidOptionsException.OptionProblem("Please specify also systemId when reading from a stream (like STDIN) instead of from a file."));

 		}

 		/**

 		 * TODO: validate

 		 */

 		if (e.hasProblems()) {

 			throw e;

 		}

 	}

 	public void setInputFile(File inputFile) {

 		this.inputFile = inputFile;

 	}

 	public void setInputStream(InputStream inputStream) {

 		this.inputStream = inputStream;

 	}

 	public void setSystemId(String systemId) {

 		this.systemId = systemId;

 	}

 	public InputSource getInputSource() {

 		InputSource is = new InputSource();

 		if (systemId != null) {

 			is.setSystemId(systemId);

 		}

 		if (inputFile != null) {

 			if (systemId == null) {

 				is.setSystemId(inputFile.toURI().toASCIIString());

 			} else {

 				try {

 					is.setByteStream(new FileInputStream(inputFile));

 				} catch (FileNotFoundException e) {

 					LogRecord message = new LogRecord(Level.WARNING, "Unable to open file „{0}“ → fallback to SystemId „{1}“");

 					message.setParameters(new Object[]{inputFile, systemId});

 					message.setThrown(e);

 					log.log(message);

 				}

 			}

 		}

 		if (inputStream != null) {

 			is.setByteStream(inputStream);

 		}

 		return is;

 	}

 	public void setOutputStream(OutputStream outputStream) {

 		this.outputStream = outputStream;

 	}

 	public OutputStream getOutputStream() {

 		return outputStream;

 	}

 	public void setAction(String action) {

 		this.action = action;

 	}

 	public String getAction() {

 		return action;

 	}

 	public void addReaderProperty(String name, String value) {

 		readerProperties.put(name, value);

 	}

 	public Properties getReaderProperties() {

 		return readerProperties;

 	}

 	public void addReaderFeature(String name, boolean value) {

 		readerFeatures.put(name, value);

 	}

 	public Map<String, Boolean> getReaderFeatures() {

 		return readerFeatures;

 	}

 	public void addActionProperty(String name, String value) {

 		actionProperties.put(name, value);

 	}

 	public Properties getActionProperties() {

 		return actionProperties;

 	}

 	public void addActionData(String value) {

 		actionData.add(value);

 	}

 	public List<String> getActionData() {

 		return actionData;

 	}

 }