/*
 * 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.openjpa.lib.xml;

import java.text.MessageFormat;

import org.xml.sax.Locator;
import org.apache.openjpa.lib.util.Localizer;

/**
 * @author Stephen Kim
 */
public class Location {

    private static final Localizer _loc = Localizer.forPackage(Location.class);

    private boolean _nullOnNoLocator = false;
    private Locator _locator = null;

    public Location() {
        this(false);
    }

    public Location(boolean nullOnNoLocator) {
        _nullOnNoLocator = nullOnNoLocator;
    }

    /**
     * for customized responses
     */
    public String getLocation(String format) {
        if (_locator == null) {
            if (_nullOnNoLocator)
                return null;
            return _loc.get("no-locator").getMessage();
        }
        return MessageFormat.format(format, new Object []{
            _locator.getLineNumber(),
            _locator.getColumnNumber(), _locator.getPublicId(),
            _locator.getSystemId() });
    }

    public String getLocation() {
        return getLocation(_loc.get("location-format").getMessage());
    }

    public void setLocator(Locator locator) {
        _locator = locator;
    }

    public Locator getLocator() {
        return _locator;
    }

    public void setNullOnNoLocator(boolean val) {
        _nullOnNoLocator = val;
    }

    public boolean isNullOnNoLocator() {
        return _nullOnNoLocator;
    }
}
