/*
* Copyright 2015 Robert von Burg <eitch@eitchnet.ch>
*
* 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 li.strolch.policy;
import java.util.HashMap;
import java.util.Map;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import li.strolch.utils.dbc.DBC;
/**
* @author Robert von Burg <eitch@eitchnet.ch>
*/
public class StrolchPolicyFileParser extends DefaultHandler {
public static final String POLICY = "Policy";
public static final String POLICY_TYPE = "PolicyType";
public static final String TYPE = "Type";
public static final String API = "Api";
public static final String KEY = "Key";
public static final String CLASS = "Class";
private PolicyModel policyModel;
private PolicyType policyType;
public StrolchPolicyFileParser() {
this.policyModel = new PolicyModel();
}
@Override
public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
switch (qName) {
case POLICY_TYPE:
String type = attributes.getValue(TYPE);
String api = attributes.getValue(API);
DBC.PRE.assertNotEmpty(TYPE + " not defined on a " + POLICY_TYPE, type);
DBC.PRE.assertNotEmpty(API + " not defined on a " + POLICY_TYPE, api);
this.policyType = new PolicyType(type, api);
this.policyModel.getPolicyTypes().put(type, policyType);
break;
case POLICY:
String key = attributes.getValue(KEY);
String clazz = attributes.getValue(CLASS);
DBC.PRE.assertNotEmpty(KEY + " not defined on a " + POLICY_TYPE, key);
DBC.PRE.assertNotEmpty(CLASS + " not defined on a " + POLICY_TYPE, clazz);
this.policyType.getPolicyByKeyMap().put(key, clazz);
break;
default:
break;
}
}
@Override
public void endElement(String uri, String localName, String qName) throws SAXException {
switch (qName) {
case POLICY_TYPE:
this.policyType = null;
break;
default:
break;
}
}
public PolicyModel getPolicyModel() {
return this.policyModel;
}
public class PolicyModel {
private Map<String, PolicyType> policyTypes;
public PolicyModel() {
this.policyTypes = new HashMap<>();
}
public Map<String, PolicyType> getPolicyTypes() {
return this.policyTypes;
}
}
public class PolicyType {
private String type;
private String api;
private Map<String, String> policyByKeyMap;
public PolicyType(String type, String api) {
super();
this.type = type;
this.api = api;
this.policyByKeyMap = new HashMap<>();
}
public String getApi() {
return this.api;
}
public String getType() {
return this.type;
}
public Map<String, String> getPolicyByKeyMap() {
return this.policyByKeyMap;
}
}
}