Android Context Get getCertificateFromSDCard(Context context)

Description

get Certificate From SD Card

License

Apache License

Declaration

public static String getCertificateFromSDCard(Context context) 

Method Source Code

//package com.java2s;
/*/*  w w  w .j  ava 2s  . c  o  m*/
 * #%L
 * MUSES Client
 * %%
 * Copyright (C) 2013 - 2014 Sweden Connectivity
 * %%
 * 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.
 * #L%
 */

import java.io.BufferedInputStream;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;

import java.io.IOException;
import java.io.InputStream;
import android.content.Context;
import android.os.Environment;

public class Main {
    public static String serverCertificate = "";

    public static String getCertificateFromSDCard(Context context) {
        serverCertificate = "";
        String baseDir = Environment.getExternalStorageDirectory()
                .getAbsolutePath();
        String certificateName = "localhost.crt";
        try {
            InputStream in = new BufferedInputStream(new FileInputStream(
                    baseDir + File.separator + certificateName));
            serverCertificate = inputStreamToString(in);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return serverCertificate;

    }

    private static String inputStreamToString(InputStream is)
            throws IOException {
        ByteArrayOutputStream byeArrayOutputStream = new ByteArrayOutputStream(
                8192);
        byte[] buffer = new byte[8192];
        int count = 0;
        try {
            while ((count = is.read(buffer)) != -1) {
                byeArrayOutputStream.write(buffer, 0, count);
            }
        } finally {
            try {
                is.close();
            } catch (Exception ignore) {
            }
        }

        String charset = "UTF-8";
        String resultString = byeArrayOutputStream.toString(charset);
        return resultString;
    }
}

Related

1. getBatteryUsageInfo(Context context)
2. getBoolean(Context context, String key, boolean defValue)
3. getBroadcastAddress(Context context)
4. getCarrier(Context context)
5. getCertificateFingerprint(Context ctx, String packageName)
6. getChannelNo(Context context)
7. getConnectedType(Context context)
8. getConnectedType(Context context)
9. getContactDisplayNameByNumber(Context context, String number)