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) 2009 The Android Open Source Project
 *
 * 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 android.util.Log;

import java.io.UnsupportedEncodingException;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;

public class Main {
    private static final String LOG_TAG = "VCardUtils";

    public static final String convertStringCharset(String originalString, String sourceCharset,
            String targetCharset) {
        if (sourceCharset.equalsIgnoreCase(targetCharset)) {
            return originalString;
        }
        final Charset charset = Charset.forName(sourceCharset);
        final ByteBuffer byteBuffer = charset.encode(originalString);
        // byteBuffer.array() "may" return byte array which is larger than
        // byteBuffer.remaining(). Here, we keep on the safe side.
        final byte[] bytes = new byte[byteBuffer.remaining()];
        byteBuffer.get(bytes);
        try {
            return new String(bytes, targetCharset);
        } catch (UnsupportedEncodingException e) {
            Log.e(LOG_TAG, "Failed to encode: charset=" + targetCharset);
            return null;
        }
    }
}