/*
 * Copyright (C) 2010 Google Inc.
 *
 * 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 com.android.i18n.addressinput;

import java.util.HashMap;
import java.util.Map;

/**
 * This structure keeps track of any errors found when validating the AddressData.
 */
public class AddressProblems {

    private Map<AddressField, AddressProblemType> mProblems =
        new HashMap<AddressField, AddressProblemType>();

    /**
     * Only one address problem type is saved per addressField. Address field as used here refers to
     * the different data parts in the AddressData class.
     */
    void add(AddressField addressField, AddressProblemType problem) {
        mProblems.put(addressField, problem);
    }

    /**
     * Returns true if no problems have been added.
     */
    public boolean isEmpty() {
        return mProblems.isEmpty();
    }

    @Override
    public String toString() {
        return mProblems.toString();
    }

    public void clear() {
        mProblems.clear();
    }

    /**
     * Returns null if no problems exists.
     */
    public AddressProblemType getProblem(AddressField addressField) {
        return mProblems.get(addressField);
    }

    /**
     * This will return an empty map if there are no problems.
     */
    public Map<AddressField, AddressProblemType> getProblems() {
        return mProblems;
    }
}