de.knightsoftnet.mtwidgets.client.ui.widget.AbstractPhoneNumberRestSuggestBox.java Source code

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Here is the source code for de.knightsoftnet.mtwidgets.client.ui.widget.AbstractPhoneNumberRestSuggestBox.java

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/*
 * 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 de.knightsoftnet.mtwidgets.client.ui.widget;

import de.knightsoftnet.validators.client.rest.helper.FutureResult;
import de.knightsoftnet.validators.shared.data.ValueWithPos;
import de.knightsoftnet.validators.shared.data.ValueWithPosAndCountry;

import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import com.google.gwt.core.shared.GWT;
import com.google.gwt.i18n.client.LocaleInfo;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.HasValue;
import com.google.gwt.user.client.ui.SuggestOracle;

import org.apache.commons.lang3.StringUtils;

import java.util.Objects;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;

/**
 * abstract phone number suggest widget with rest calls.
 *
 * @author Manfred Tremmel
 *
 */
public abstract class AbstractPhoneNumberRestSuggestBox extends AbstractFormatingSuggestBox {

    protected final AsyncCallback<ValueWithPos<String>> callback;
    protected HasValue<?> countryCodeField;

    /**
     * cache map.
     */
    final LoadingCache<ValueWithPosAndCountry<String>, FutureResult<ValueWithPos<String>>> cache;

    /**
     * default constructor.
     */
    public AbstractPhoneNumberRestSuggestBox(final SuggestOracle poracle) {
        super(poracle);
        this.callback = new AsyncCallback<ValueWithPos<String>>() {

            @Override
            public void onFailure(final Throwable pcaught) {
                GWT.log(pcaught.getMessage(), pcaught);
            }

            @Override
            public void onSuccess(final ValueWithPos<String> presponse) {
                if (presponse != null && StringUtils.isNotEmpty(presponse.getValue())) {
                    AbstractPhoneNumberRestSuggestBox.this.setTextWithPos(presponse);
                }
            }

        };
        this.cache = CacheBuilder.newBuilder().maximumSize(10000).expireAfterWrite(10, TimeUnit.DAYS)
                .build(new CacheLoader<ValueWithPosAndCountry<String>, FutureResult<ValueWithPos<String>>>() {

                    @Override
                    public FutureResult<ValueWithPos<String>> load(final ValueWithPosAndCountry<String> pkey) {
                        final FutureResult<ValueWithPos<String>> result = new FutureResult<>();
                        result.addCallback(AbstractPhoneNumberRestSuggestBox.this.callback);
                        try {
                            AbstractPhoneNumberRestSuggestBox.this.formatValue(pkey, result);
                        } catch (final ExecutionException e) {
                            GWT.log(e.getMessage(), e);
                        }
                        return result;
                    }
                });
    }

    @Override
    public void formatValue(final ValueWithPos<String> pvalue) {
        if (pvalue == null || StringUtils.isEmpty(pvalue.getValue())) {
            this.setValue(StringUtils.EMPTY);
        } else {
            final ValueWithPosAndCountry<String> unformatedEntry = new ValueWithPosAndCountry<String>(
                    pvalue.getValue(), pvalue.getPos(), Objects.toString(this.countryCodeField.getValue()),
                    LocaleInfo.getCurrentLocale().getLocaleName());
            try {
                final FutureResult<ValueWithPos<String>> result = this.cache.get(unformatedEntry);
                if (result.isDone()) {
                    this.setTextWithPos(result.get());
                }
            } catch (final ExecutionException e) {
                GWT.log(e.getMessage(), e);
            }
        }
    }

    public abstract void formatValue(ValueWithPosAndCountry<String> pkey,
            FutureResult<ValueWithPos<String>> presult) throws ExecutionException;

    /**
     * set reference to a field which contains the country code.
     *
     * @param pcountryCodeField field which contains the country code
     */
    public final void setCountryCodeReferenceField(final HasValue<?> pcountryCodeField) {
        this.countryCodeField = pcountryCodeField;
    }

    @Override
    public boolean isAllowedCharacter(final char pcharacter) {
        return pcharacter >= '0' && pcharacter <= '9' || this.isFormatingCharacter(pcharacter);
    }

    @Override
    public boolean isCharacterToReplace(final char pcharacter) {
        return false;
    }

    @Override
    public char replaceCharacter(final char pcharacter) {
        return pcharacter;
    }
}