com.microsoft.applicationinsights.extensibility.context.LocationContext Maven / Gradle / Ivy

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/*
 * ApplicationInsights-Java
 * Copyright (c) Microsoft Corporation
 * All rights reserved.
 *
 * MIT License
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this
 * software and associated documentation files (the ""Software""), to deal in the Software
 * without restriction, including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software, and to permit
 * persons to whom the Software is furnished to do so, subject to the following conditions:
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 * THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
 * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

package com.microsoft.applicationinsights.extensibility.context;

import java.util.concurrent.ConcurrentMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import com.microsoft.applicationinsights.internal.util.MapUtil;

import com.google.common.base.Strings;

public final class LocationContext {
    private static final String PATTERN =
            "^(([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.){3}([01]?\\d\\d?|2[0-4]\\d|25[0-5])$";

    private final ConcurrentMap tags;

    public LocationContext(ConcurrentMap tags) {
        this.tags = tags;
    }

    String getIp() {
        return MapUtil.getValueOrNull(tags, ContextTagKeys.getKeys().getLocationIP());
    }

    public void setIp(String value) {
        if (!Strings.isNullOrEmpty(value) && isIPV4(value)) {
            MapUtil.setStringValueOrRemove(tags, ContextTagKeys.getKeys().getLocationIP(), value);
        }
    }

    private boolean isIPV4(String ip) {
        Pattern pattern = Pattern.compile(PATTERN);
        Matcher matcher = pattern.matcher(ip);
        return matcher.matches();
    }
}