org.tentackle.wurblet.AbstractIntMap Maven / Gradle / Ivy
/**
* Tentackle - http://www.tentackle.org
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.tentackle.wurblet;
import java.io.BufferedReader;
import java.io.IOException;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;
import org.wurbelizer.wurbel.WurbelUtilities;
import org.wurbelizer.wurbel.WurbelException;
import org.wurbelizer.wurblet.AbstractWurblet;
/**
* Extends the AbstractWurblet by methods to parse the integer mapping model.
*
* @author harald
*/
public class AbstractIntMap extends AbstractWurblet {
private String modelName; // name of the model
private List mapEntryList; // List of MapEntrys
public AbstractIntMap() {
super();
}
/**
* {@inheritDoc}
*
* Overridden to load the model.
*/
@Override
public void run() throws WurbelException {
super.run();
mapEntryList = new ArrayList<>();
for (String arg: getContainer().getArgs()) {
if (!arg.startsWith("--")) {
if (modelName == null) {
modelName = arg;
break;
}
}
}
if (modelName == null) {
throw new WurbelException("attributefile file not specified");
}
// read the model
try (BufferedReader reader = new BufferedReader(WurbelUtilities.openReader(modelName))) {
int lineno = 0;
for (;;) {
String line = reader.readLine();
if (line == null) {
break; // end of file
}
lineno++;
if (line.startsWith("#")) {
continue; // comment line
}
line = line.trim();
if (line.length() > 0) {
try {
mapEntryList.add(new MapEntry(line));
}
catch (ParseException ex) {
throw new WurbelException(ex.getMessage() + " in line " + lineno + " of " + modelName, ex);
}
}
}
}
catch (IOException ex) {
throw new WurbelException("reading " + modelName + " failed", ex);
}
}
/**
* Gets the attributes.
*
* @return the attributes
*/
public List getMapEntryList() {
return mapEntryList;
}
/**
* The mapping entry.
*/
public static class MapEntry {
private String name; // the index name
private String value; // the mapped value
/**
* Creates an entry from a source line.
* The first word is the name. The rest (trimmed) forms the value.
*
* @param text the source line
* @throws ParseException if syntax error
*/
public MapEntry(String text) throws ParseException {
StringTokenizer stok = new StringTokenizer(text, " \t" );
// parse tokens
while (stok.hasMoreTokens()) {
String token = stok.nextToken();
if (name == null) {
name = token;
value = text.substring(name.length()).trim(); // rest of the line (trimmed)
break;
}
}
if (name == null || value == null) {
throw new ParseException ("syntax error", 0);
}
}
/**
* @return the attribute's name
*/
public String getName() {
return name;
}
/**
* @return the value
*/
public String getValue() {
return value;
}
}
}