/* * Copyright 2008 Federal Chancellery Austria and * Graz University of Technology * * Licensed 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 at.gv.egiz.bku.slcommands.impl.xsect; import java.util.HashMap; import java.util.Map; import java.util.Random; /** * An implementation of the IdValueFactory. *
* This IdValueFactory creates xsd:Id
-attribute values of the form
* '<elementName>-<random>-<sequenceNumber>
',
* where
*
<elementName>
is the name provided at
* {@link #createIdValue(String)},<random>
is a random generated fixed value for an
* instance of this IdValueFactory and<sequenceNumber>
is the sequence number of the value
* generated for a given elementName
by an instance of this
* IdValueFactory.xsd:Id
-attribute values.
*
* @author mcentner
*/
private class IdGenerator {
/**
* The salt.
*/
private String salt;
/**
* The element name.
*/
private String elementName;
/**
* The sequence number.
*/
private int i = 0;
/**
* Creates a new instance of this IdGenerator with the given
* elementName
and salt
value.
*
* @param elementName the element name
* @param salt the salt valeu
*/
private IdGenerator(String elementName, String salt) {
super();
this.elementName = elementName;
this.salt = salt;
}
/**
* @return returns the next xsd:Id
-attribute value.
*/
public String getNextId() {
return elementName + "-" + salt + "-" + Integer.toString(++i);
}
}
/**
* A map of element names to xsd:Id
-value generators.
*/
private Map