/*
* 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.felix.converter.impl;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.osgi.util.converter.ConverterBuilder;
import org.osgi.util.converter.ConverterFunction;
import org.osgi.util.converter.TargetRule;
public class ConverterBuilderImpl implements ConverterBuilder {
private final InternalConverter adapter;
private final Map<Type, List<ConverterFunction>> rules = new HashMap<>();
private final List<ConverterFunction> catchAllRules = new ArrayList<>();
private final List<ConverterFunction> errorHandlers = new ArrayList<>();
public ConverterBuilderImpl(InternalConverter a) {
this.adapter = a;
}
@Override
public InternalConverter build() {
return new AdapterImpl(adapter, rules, catchAllRules, errorHandlers);
}
@Override
public ConverterBuilder errorHandler(ConverterFunction func) {
errorHandlers.add(func);
return this;
}
@Override
public ConverterBuilder rule(ConverterFunction func) {
catchAllRules.add(func);
return this;
}
@Override
public ConverterBuilder rule(Type t, ConverterFunction func) {
getRulesList(t).add(func);
return this;
}
@Override
public ConverterBuilder rule(TargetRule rule) {
Type type = rule.getTargetType();
getRulesList(type).add(rule.getFunction());
return this;
}
private List<ConverterFunction> getRulesList(Type type) {
List<ConverterFunction> l = rules.get(type);
if (l == null) {
l = new ArrayList<>();
rules.put(type, l);
}
return l;
}
}