Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright (C) 2014-present, Wei Chou (weichou2010@gmail.com)
 *
 * 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.
 */

import java.util.Locale;
import android.annotation.SuppressLint;

import android.graphics.Bitmap.CompressFormat;

import android.os.Build;

import android.webkit.URLUtil;

public class Main {
    public static String guessImageFormat(String urlOrPath) {
        CompressFormat format = guessImageFormatC(urlOrPath);
        if (format == null)
            return null;
        if (format == CompressFormat.JPEG)
            return "jpg";
        return format.name().toLowerCase(Locale.US);
    }

    @SuppressLint("NewApi")
    public static CompressFormat guessImageFormatC(String urlOrPath) {
        CompressFormat format = null;
        String fileName;
        if (URLUtil.isNetworkUrl(urlOrPath)) {
            fileName = URLUtil.guessFileName(urlOrPath, null, null);
        } else if (urlOrPath.lastIndexOf('.') <= 0) {
            return null;
        } else {
            fileName = urlOrPath;
        }
        fileName = fileName.toLowerCase(Locale.US);
        if (fileName.endsWith(".png")) {
            format = CompressFormat.PNG;
        } else if (fileName.endsWith(".jpg") || fileName.endsWith(".jpeg")) {
            format = CompressFormat.JPEG;
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH && fileName.endsWith(".webp")) {
            format = CompressFormat.WEBP;
        }
        return format;
    }
}